use 6.0.14

packages/editor/package.json

@@ -28,7 +28,7 @@
     "@codemirror/view": "^6.15.3",
     "@popperjs/core": "^2.11.8",
     "@replit/codemirror-emacs": "^6.0.1",
-    "@replit/codemirror-vim": "^6.1.0",
+    "@replit/codemirror-vim": "6.0.14",
     "@replit/codemirror-vscode-keymap": "^6.0.2",
     "@types/react": "^18.2.14",
     "@types/react-dom": "^18.2.6",

packages/editor/src/services/keymaps/codemirror-vim/block-cursor.ts

@@ -1,215 +0,0 @@
-// Avoiding compile errors at webpack build.
-/* eslint-disable */
-// @ts-nocheck
-import { SelectionRange, Prec } from "@codemirror/state"
-import { ViewUpdate, EditorView, Direction } from "@codemirror/view"
-import { CodeMirror } from "."
-
-// backwards compatibility for old versions not supporting getDrawSelectionConfig
-let getDrawSelectionConfig = function() {
-  let defaultConfig = {cursorBlinkRate: 1200};
-  return function() {
-    return defaultConfig;
-  }
-}();
-
-type Measure = {cursors: Piece[]}
-
-class Piece {
-  constructor(readonly left: number, readonly top: number,
-              readonly height: number,
-              readonly fontFamily: string,
-              readonly fontSize: string,
-              readonly fontWeight: string,
-              readonly color: string,
-              readonly className: string,
-              readonly letter: string,
-              readonly partial: boolean) {}
-
-  draw() {
-    let elt = document.createElement("div")
-    elt.className = this.className
-    this.adjust(elt)
-    return elt
-  }
-
-  adjust(elt: HTMLElement) {
-    elt.style.left = this.left + "px"
-    elt.style.top = this.top + "px"
-    elt.style.height = this.height + "px"
-    elt.style.lineHeight = this.height + "px"
-    elt.style.fontFamily = this.fontFamily;
-    elt.style.fontSize = this.fontSize;
-    elt.style.fontWeight = this.fontWeight;
-    elt.style.color = this.partial ? "transparent" : this.color;
-
-    elt.className = this.className;
-    elt.textContent = this.letter;
-  }
-
-  eq(p: Piece) {
-    return this.left == p.left && this.top == p.top && this.height == p.height &&
-        this.fontFamily == p.fontFamily && this.fontSize == p.fontSize &&
-        this.fontWeight == p.fontWeight && this.color == p.color &&
-        this.className == p.className &&
-        this.letter == p.letter;
-  }
-}
-
-export class BlockCursorPlugin {
-  rangePieces: readonly Piece[] = []
-  cursors: readonly Piece[] = []
-  measureReq: {read: () => Measure, write: (value: Measure) => void}
-  cursorLayer: HTMLElement
-  cm: CodeMirror
-
-  constructor(readonly view: EditorView, cm: CodeMirror) {
-    this.cm = cm;
-    this.measureReq = {read: this.readPos.bind(this), write: this.drawSel.bind(this)}
-    this.cursorLayer = view.scrollDOM.appendChild(document.createElement("div"))
-    this.cursorLayer.className = "cm-cursorLayer cm-vimCursorLayer"
-    this.cursorLayer.setAttribute("aria-hidden", "true")
-    view.requestMeasure(this.measureReq)
-    this.setBlinkRate()
-  }
-
-  setBlinkRate() {
-    let config = getDrawSelectionConfig(this.cm.cm6.state);
-    let blinkRate = config.cursorBlinkRate;
-    this.cursorLayer.style.animationDuration = blinkRate + "ms";
-  }
-
-  update(update: ViewUpdate) {
-     if (update.selectionSet || update.geometryChanged || update.viewportChanged) {
-      this.view.requestMeasure(this.measureReq)
-      this.cursorLayer.style.animationName = this.cursorLayer.style.animationName == "cm-blink" ? "cm-blink2" : "cm-blink"
-     }
-     if (configChanged(update)) this.setBlinkRate();
-  }
-
-  scheduleRedraw() {
-    this.view.requestMeasure(this.measureReq)
-  }
-
-  readPos(): Measure {
-    let {state} = this.view
-    let cursors: Piece[] = []
-    for (let r of state.selection.ranges) {
-      let prim = r == state.selection.main
-      let piece = measureCursor(this.cm, this.view, r, prim)
-      if (piece) cursors.push(piece)
-    }
-    return {cursors}
-  }
-
-  drawSel({cursors}: Measure) {
-    if (cursors.length != this.cursors.length || cursors.some((c, i) => !c.eq(this.cursors[i]))) {
-      let oldCursors = this.cursorLayer.children
-      if (oldCursors.length !== cursors.length) {
-        this.cursorLayer.textContent = ""
-        for (const c of cursors)
-          this.cursorLayer.appendChild(c.draw())
-      } else {
-        cursors.forEach((c, idx) => c.adjust(oldCursors[idx] as HTMLElement))
-      }
-      this.cursors = cursors
-    }
-  }
-
-  destroy() {
-    this.cursorLayer.remove()
-  }
-}
-function configChanged(update: ViewUpdate) {
-  return getDrawSelectionConfig(update.startState) != getDrawSelectionConfig(update.state)
-}
-
- const themeSpec = {
-  ".cm-vimMode .cm-line": {
-    "& ::selection": {backgroundColor: "transparent !important"},
-    "&::selection": {backgroundColor: "transparent !important"},
-    caretColor: "transparent !important",
-  },
-  ".cm-fat-cursor": {
-    position: "absolute",
-    background: "#ff9696",
-    border: "none",
-    whiteSpace: "pre",
-  },
-  "&:not(.cm-focused) .cm-fat-cursor": {
-    background: "none",
-    outline: "solid 1px #ff9696",
-    color: "transparent !important",
-  },
-}
-
-export const hideNativeSelection = Prec.highest(EditorView.theme(themeSpec))
-
-function getBase(view: EditorView) {
-  let rect = view.scrollDOM.getBoundingClientRect()
-  let left = view.textDirection == Direction.LTR ? rect.left : rect.right - view.scrollDOM.clientWidth
-  return {left: left - view.scrollDOM.scrollLeft, top: rect.top - view.scrollDOM.scrollTop}
-}
-
-function measureCursor(cm: CodeMirror, view: EditorView, cursor: SelectionRange, primary: boolean): Piece | null {
-  let head = cursor.head;
-  let fatCursor = false;
-  let hCoeff = 1;
-  let vim = cm.state.vim;
-  if (vim && (!vim.insertMode || cm.state.overwrite)) {
-    fatCursor = true;
-    if (vim.visualBlock && !primary)
-      return null;
-    if (cursor.anchor < cursor.head) head--;
-    if (cm.state.overwrite) hCoeff = 0.2;
-    else if (vim.status) hCoeff = 0.5;
-  }
-
-  if (fatCursor) {
-    let letter = head < view.state.doc.length && view.state.sliceDoc(head, head + 1);
-    if (letter && (/[\uDC00-\uDFFF]/.test(letter) && head > 1)) {
-      // step back if cursor is on the second half of a surrogate pair
-      head--;
-      letter = view.state.sliceDoc(head, head + 1);
-    }
-    let pos = view.coordsAtPos(head, 1);
-    if (!pos) return null;
-    let base = getBase(view);
-    let domAtPos = view.domAtPos(head);
-    let node = domAtPos ? domAtPos.node : view.contentDOM;
-    while (domAtPos && domAtPos.node instanceof HTMLElement) {
-      node = domAtPos.node;
-      domAtPos = {node: domAtPos.node.childNodes[domAtPos.offset], offset: 0};
-    }
-    if (!(node instanceof HTMLElement)) {
-      if (!node.parentNode) return null;
-      node = node.parentNode;
-    }
-    let style = getComputedStyle(node as HTMLElement);
-    let left = pos.left;
-    // TODO remove coordsAtPos when all supported versions of codemirror have coordsForChar api
-    let charCoords = (view as any).coordsForChar?.(head);
-    if (charCoords) {
-      left = charCoords.left;
-    }
-    if (!letter || letter == "\n" || letter == "\r") {
-      letter = "\xa0";
-    } else if (letter == "\t") {
-      letter = "\xa0";
-      var nextPos = view.coordsAtPos(head + 1, -1);
-      if (nextPos) {
-        left = nextPos.left - (nextPos.left - pos.left) / parseInt(style.tabSize);
-      }
-    } else if ((/[\uD800-\uDBFF]/.test(letter) && head < view.state.doc.length - 1)) {
-      // include the second half of a surrogate pair in cursor
-      letter += view.state.sliceDoc(head + 1, head + 2);
-    }
-    let h = (pos.bottom - pos.top);
-    return new Piece(left - base.left, pos.top - base.top + h * (1 - hCoeff), h * hCoeff,
-                     style.fontFamily, style.fontSize, style.fontWeight, style.color,
-                     primary ? "cm-fat-cursor cm-cursor-primary" : "cm-fat-cursor cm-cursor-secondary",
-                     letter, hCoeff != 1)
-  } else {
-    return null;
-  }
-}

packages/editor/src/services/keymaps/codemirror-vim/cm_adapter.ts

@@ -1,1102 +0,0 @@
-/* eslint-disable */
-// @ts-nocheck
-import { EditorSelection, Text, MapMode, ChangeDesc } from "@codemirror/state"
-import { StringStream, matchBrackets, indentUnit, ensureSyntaxTree, foldCode } from "@codemirror/language"
-import { EditorView, runScopeHandlers, ViewUpdate } from "@codemirror/view"
-import { RegExpCursor, setSearchQuery, SearchQuery } from "@codemirror/search"
-import {
-  insertNewlineAndIndent, indentMore, indentLess, indentSelection, cursorCharLeft,
-  undo, redo, cursorLineBoundaryBackward, cursorLineBoundaryForward, cursorCharBackward,
-} from "@codemirror/commands"
-import {vimState, CM5RangeInterface} from "./types"
-
-function indexFromPos(doc: Text, pos: Pos): number {
-  var ch = pos.ch;
-  var lineNumber = pos.line + 1;
-  if (lineNumber < 1) {
-    lineNumber = 1
-    ch = 0
-  }
-  if (lineNumber > doc.lines) {
-    lineNumber = doc.lines
-    ch = Number.MAX_VALUE
-  }
-  var line = doc.line(lineNumber)
-  return Math.min(line.from + Math.max(0, ch), line.to)
-}
-function posFromIndex(doc: Text, offset: number): Pos {
-  let line = doc.lineAt(offset)
-  return { line: line.number - 1, ch: offset - line.from }
-}
-class Pos {
-  line: number
-  ch: number
-  sticky?: string
-  constructor(line: number, ch: number) {
-    this.line = line; this.ch = ch;
-  }
-};
-
-function on(emitter: any, type: string, f: Function) {
-  if (emitter.addEventListener) {
-    emitter.addEventListener(type, f, false);
-  } else {
-    var map = emitter._handlers || (emitter._handlers = {});
-    map[type] = (map[type] || []).concat(f);
-  }
-};
-
-function off(emitter: any, type: string, f: Function) {
-  if (emitter.removeEventListener) {
-    emitter.removeEventListener(type, f, false);
-  } else {
-    var map = emitter._handlers, arr = map && map[type];
-    if (arr) {
-      var index = arr.indexOf(f);
-      if (index > -1) { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }
-    }
-  }
-}
-
-function signal(emitter: any, type: string, ...args: any[]) {
-  var handlers = emitter._handlers?.[type]
-  if (!handlers) return
-  for (var i = 0; i < handlers.length; ++i) { handlers[i](...args); }
-}
-
-function signalTo(handlers: any, ...args: any[]) {
-  if (!handlers) return
-  for (var i = 0; i < handlers.length; ++i) { handlers[i](...args); }
-}
-
-let wordChar: RegExp
-try {
-  wordChar = new RegExp("[\\w\\p{Alphabetic}\\p{Number}_]", "u")
-} catch (_) {
-  wordChar = /[\w]/
-}
-
-interface Operation {
-  $d: number,
-  isVimOp?: boolean,
-  cursorActivityHandlers?: Function[],
-  cursorActivity?: boolean,
-  lastChange?: any,
-  change?: any,
-  changeHandlers?: Function[],
-  $changeStart?: number,
-}
-
-// workaround for missing api for merging transactions
-function dispatchChange(cm: CodeMirror, transaction: any) {
-  var view = cm.cm6;
-  if (view.state.readOnly)
-    return;
-  var type = "input.type.compose";
-  if (cm.curOp) {
-    if (!cm.curOp.lastChange) type = "input.type.compose.start";
-  }
-  if (transaction.annotations) {
-    try {
-      transaction.annotations.some(function (note: any) {
-        if (note.value == "input") note.value = type;
-      });
-    } catch (e) {
-      console.error(e);
-    }
-  } else {
-    transaction.userEvent =  type;
-  }
-  return view.dispatch(transaction)
-}
-
-function runHistoryCommand(cm: CodeMirror, revert: boolean) {
-  if (cm.curOp) {
-    cm.curOp.$changeStart = undefined;
-  }
-  (revert ? undo : redo)(cm.cm6);
-  let changeStartIndex = cm.curOp?.$changeStart;
-  // vim mode expects the changed text to be either selected or cursor placed at the start
-  if (changeStartIndex != null) {
-    cm.cm6.dispatch({ selection: { anchor: changeStartIndex } });
-  }
-}
-
-var keys: Record<string, (cm: CodeMirror) => void> = {};
-"Left|Right|Up|Down|Backspace|Delete".split("|").forEach(key => {
-  keys[key] = (cm:CodeMirror) => runScopeHandlers(cm.cm6, {key: key} as KeyboardEvent, "editor");
-});
-
-export class CodeMirror {
-  static isMac = typeof navigator != "undefined" && /Mac/.test(navigator.platform);
-  // --------------------------
-  static Pos = Pos;
-  static StringStream = StringStream as unknown as StringStream & { new(_: string): StringStream }
-  static commands = {
-    cursorCharLeft: function (cm: CodeMirror) { cursorCharLeft(cm.cm6); },
-    redo: function (cm: CodeMirror) { runHistoryCommand(cm, false); },
-    undo: function (cm: CodeMirror) { runHistoryCommand(cm, true); },
-    newlineAndIndent: function (cm: CodeMirror) {
-      insertNewlineAndIndent({
-        state: cm.cm6.state,
-        dispatch: (tr) => {
-          return dispatchChange(cm, tr);
-        }
-      })
-    },
-    indentAuto: function (cm: CodeMirror) {
-      indentSelection(cm.cm6)
-    },
-    newlineAndIndentContinueComment: undefined as any,
-    save: undefined as any,
-  };
-  static isWordChar = function (ch: string) {
-    return wordChar.test(ch);
-  };
-  static keys: any = keys;
-  static addClass = function (el, str) { };
-  static rmClass = function (el, str) { };
-  static e_preventDefault = function (e: Event) {
-    e.preventDefault()
-  };
-  static e_stop = function (e: Event) {
-    e?.stopPropagation?.()
-    e?.preventDefault?.()
-  };
-
-  static lookupKey = function lookupKey(key: string, map: string, handle: Function) {
-    var result = CodeMirror.keys[key];
-    if (result) handle(result);
-  };
-
-  static on = on
-  static off = off;
-  static signal = signal;
-
-  // --------------------------
-  openDialog(template: Element, callback: Function, options: any) {
-    return openDialog(this, template, callback, options);
-  };
-  openNotification(template: Node, options: NotificationOptions) {
-    return openNotification(this, template, options);
-  };
-
-  static findMatchingTag = findMatchingTag;
-  static findEnclosingTag = findEnclosingTag;
-
-  // --------------------------
-  cm6: EditorView
-  state: {
-    statusbar?: Element | null,
-    dialog?: Element | null,
-    vimPlugin?: any,
-    vim?: vimState | null,
-    currentNotificationClose?: Function | null,
-    keyMap?: string,
-    overwrite?: boolean,
-    textwidth?: number,
-  } = {};
-  marks: Record<string, Marker> = Object.create(null);
-  $mid = 0; // marker id counter
-  curOp: Operation | null | undefined;
-  options: any = {};
-  _handlers: any = {};
-  constructor(cm6: EditorView) {
-    this.cm6 = cm6;
-    this.onChange = this.onChange.bind(this);
-    this.onSelectionChange = this.onSelectionChange.bind(this);
-  };
-
-  on(type: string, f: Function) { on(this, type, f) }
-  off(type: string, f: Function) { off(this, type, f) }
-  signal(type: string, e: any, handlers?: any) { signal(this, type, e, handlers) }
-
-  indexFromPos(pos: Pos) {
-    return indexFromPos(this.cm6.state.doc, pos);
-  };
-  posFromIndex(offset: number) {
-    return posFromIndex(this.cm6.state.doc, offset);
-  };
-
-
-  foldCode(pos: Pos) {
-    let view = this.cm6
-    let ranges = view.state.selection.ranges
-    let doc = this.cm6.state.doc
-    let index = indexFromPos(doc, pos)
-    let tmpRanges = EditorSelection.create([EditorSelection.range(index, index)], 0).ranges;
-
-    (view.state.selection as any).ranges = tmpRanges;
-    foldCode(view);
-    (view.state.selection as any).ranges = ranges;
-  }
-
-  firstLine() { return 0; };
-  lastLine() { return this.cm6.state.doc.lines - 1; };
-  lineCount() { return this.cm6.state.doc.lines };
-  setCursor(line: number, ch: number): void;
-  setCursor(line: Pos): void;
-  setCursor(line: Pos | number, ch?: number) {
-    if (typeof line === 'object') {
-      ch = line.ch;
-      line = line.line;
-    }
-    var offset = indexFromPos(this.cm6.state.doc, { line, ch: ch || 0 })
-    this.cm6.dispatch({ selection: { anchor: offset } }, { scrollIntoView: !this.curOp })
-    if (this.curOp && !this.curOp.isVimOp)
-      this.onBeforeEndOperation();
-  };
-  getCursor(p?: "head" | "anchor" | "start" | "end"): Pos {
-    var sel = this.cm6.state.selection.main;
-
-    var offset = p == "head" || !p
-      ? sel.head
-      : p == "anchor"
-        ? sel.anchor
-        : p == "start"
-          ? sel.from
-          : p == "end"
-            ? sel.to
-            : null
-    if (offset == null) throw new Error("Invalid cursor type")
-    return this.posFromIndex(offset);
-  };
-
-  listSelections() {
-    var doc = this.cm6.state.doc
-    return this.cm6.state.selection.ranges.map(r => {
-      return {
-        anchor: posFromIndex(doc, r.anchor),
-        head: posFromIndex(doc, r.head),
-      };
-    });
-  };
-  setSelections(p: CM5RangeInterface[], primIndex?: number) {
-    var doc = this.cm6.state.doc
-    var ranges = p.map(x => {
-      return EditorSelection.range(indexFromPos(doc, x.anchor), indexFromPos(doc, x.head))
-    })
-    this.cm6.dispatch({
-      selection: EditorSelection.create(ranges, primIndex)
-    })
-  };
-  setSelection(anchor: Pos, head: Pos, options?: any) {
-    var doc = this.cm6.state.doc
-    var ranges = [EditorSelection.range(indexFromPos(doc, anchor), indexFromPos(doc, head))]
-    this.cm6.dispatch({
-      selection: EditorSelection.create(ranges, 0)
-    })
-    if (options && options.origin == '*mouse') {
-      this.onBeforeEndOperation();
-    }
-  };
-  getLine(row: number): string {
-    var doc = this.cm6.state.doc
-    if (row < 0 || row >= doc.lines) return "";
-    return this.cm6.state.doc.line(row + 1).text;
-  };
-  getLineHandle(row: number) {
-    if (!this.$lineHandleChanges) this.$lineHandleChanges = [];
-    return { row: row,  index: this.indexFromPos(new Pos(row, 0))};
-  }
-  getLineNumber(handle: any) {
-    var updates = this.$lineHandleChanges;
-
-    if (!updates) return null;
-    var offset = handle.index;
-    for (var i = 0; i < updates.length; i++) {
-      offset = updates[i].changes .mapPos(offset, 1, MapMode.TrackAfter);
-      if (offset == null) return null;
-    }
-    var pos = this.posFromIndex(offset);
-    return pos.ch == 0 ? pos.line : null;
-  }
-  releaseLineHandles() {
-    this.$lineHandleChanges = undefined;
-  }
-  getRange(s: Pos, e: Pos) {
-    var doc = this.cm6.state.doc;
-    return this.cm6.state.sliceDoc(
-      indexFromPos(doc, s),
-      indexFromPos(doc, e)
-    )
-  };
-  replaceRange(text: string, s: Pos, e?: Pos, source?: string) {
-    if (!e) e = s;
-    var doc = this.cm6.state.doc;
-    var from = indexFromPos(doc, s);
-    var to = indexFromPos(doc, e);
-    dispatchChange(this, { changes: { from, to, insert: text } });
-  };
-  replaceSelection(text: string) {
-    dispatchChange(this, this.cm6.state.replaceSelection(text))
-  };
-  replaceSelections(replacements: string[]) {
-    var ranges = this.cm6.state.selection.ranges;
-    var changes = ranges.map((r, i) => {
-      return { from: r.from, to: r.to, insert: replacements[i] || "" }
-    });
-    dispatchChange(this, { changes });
-  };
-  getSelection() {
-    return this.getSelections().join("\n");
-  };
-  getSelections() {
-    var cm = this.cm6;
-    return cm.state.selection.ranges.map(r => cm.state.sliceDoc(r.from, r.to))
-  };
-
-  somethingSelected() {
-    return this.cm6.state.selection.ranges.some(r => !r.empty)
-  };
-  getInputField() {
-    return this.cm6.contentDOM;
-  };
-  clipPos(p: Pos) {
-    var doc = this.cm6.state.doc
-    var ch = p.ch;
-    var lineNumber = p.line + 1;
-    if (lineNumber < 1) {
-      lineNumber = 1
-      ch = 0
-    }
-    if (lineNumber > doc.lines) {
-      lineNumber = doc.lines
-      ch = Number.MAX_VALUE
-    }
-    var line = doc.line(lineNumber)
-    ch = Math.min(Math.max(0, ch), line.to - line.from)
-    return new Pos(lineNumber - 1, ch);
-  };
-
-
-  getValue(): string {
-    return this.cm6.state.doc.toString();
-  };
-  setValue(text: string) {
-    var cm = this.cm6;
-    return cm.dispatch({
-      changes: { from: 0, to: cm.state.doc.length, insert: text },
-      selection: EditorSelection.range(0, 0)
-    })
-  };
-
-  focus() {
-    return this.cm6.focus();
-  };
-  blur() {
-    return this.cm6.contentDOM.blur();
-  };
-  defaultTextHeight() {
-    return this.cm6.defaultLineHeight
-  };
-
-  findMatchingBracket(pos: Pos, _options?: any) {
-    var state = this.cm6.state
-    var offset = indexFromPos(state.doc, pos);
-    var m = matchBrackets(state, offset + 1, -1)
-    if (m && m.end) {
-      return { to: posFromIndex(state.doc, m.end.from) };
-    }
-    m = matchBrackets(state, offset, 1)
-    if (m && m.end) {
-      return { to: posFromIndex(state.doc, m.end.from) };
-    }
-    return { to: undefined };
-  };
-  scanForBracket(pos: Pos, dir: 1 | -1, style: any, config: any) {
-    return scanForBracket(this, pos, dir, style, config);
-  };
-
-  indentLine(line: number, more?: boolean) {
-    // todo how to indent only one line instead of selection
-    if (more) this.indentMore()
-    else this.indentLess()
-  };
-
-  indentMore() {
-    indentMore(this.cm6);
-  };
-  indentLess() {
-    indentLess(this.cm6);
-  };
-
-  execCommand(name: string) {
-    if (name == "indentAuto") CodeMirror.commands.indentAuto(this);
-    else if (name == "goLineLeft") cursorLineBoundaryBackward(this.cm6);
-    else if (name == "goLineRight") {
-      cursorLineBoundaryForward(this.cm6);
-      let state = this.cm6.state
-      let cur = state.selection.main.head;
-      if (cur < state.doc.length && state.sliceDoc(cur, cur + 1) !== "\n") {
-        cursorCharBackward(this.cm6);
-      }
-    }
-    else console.log(name + " is not implemented");
-  };
-
-  setBookmark(cursor: Pos, options?: { insertLeft: boolean }) {
-    var assoc = options?.insertLeft ? 1 : -1;
-    var offset = this.indexFromPos(cursor)
-    var bm = new Marker(this, offset, assoc);
-    return bm;
-  };
-
-  cm6Query?: SearchQuery
-  addOverlay({ query }: { query: RegExp }) {
-    let cm6Query = new SearchQuery({
-      regexp: true,
-      search: query.source,
-      caseSensitive: !/i/.test(query.flags),
-    });
-    if (cm6Query.valid) {
-      (cm6Query as any).forVim = true;
-      this.cm6Query = cm6Query;
-      let effect = setSearchQuery.of(cm6Query);
-      this.cm6.dispatch({ effects: effect });
-      return cm6Query
-    }
-  };
-  removeOverlay(overlay?: any) {
-    if (!this.cm6Query) return
-    (this.cm6Query as any).forVim = false;
-    let effect = setSearchQuery.of(this.cm6Query);
-    this.cm6.dispatch({ effects: effect });
-  };
-
-  getSearchCursor(query: RegExp, pos: Pos) {
-    var cm = this;
-    type CM6Result = { from: number, to: number, match: string[] } | null;
-    type CM5Result = { from: Pos, to: Pos, match: string[] } | null;
-    var last: CM6Result = null;
-    var lastCM5Result: CM5Result = null;
-
-    if (pos.ch == undefined) pos.ch = Number.MAX_VALUE;
-    var firstOffset = indexFromPos(cm.cm6.state.doc, pos);
-
-    var source = query.source.replace(/(\\.|{(?:\d+(?:,\d*)?|,\d+)})|[{}]/g, function (a, b) {
-      if (!b) return "\\" + a
-      return b;
-    });
-
-    function rCursor(doc: Text, from = 0, to = doc.length) {
-      return new RegExpCursor(doc, source, { ignoreCase: query.ignoreCase }, from, to);
-    }
-
-    function nextMatch(from: number) {
-      var doc = cm.cm6.state.doc
-      if (from > doc.length) return null;
-      let res = rCursor(doc, from).next()
-      return res.done ? null : res.value
-    }
-
-    var ChunkSize = 10000
-    function prevMatchInRange(from: number, to: number) {
-      var doc = cm.cm6.state.doc
-      for (let size = 1; ; size++) {
-        let start = Math.max(from, to - size * ChunkSize)
-        let cursor = rCursor(doc, start, to), range: CM6Result = null
-        while (!cursor.next().done) range = cursor.value
-        if (range && (start == from || range.from > start + 10)) return range
-        if (start == from) return null
-      }
-    }
-    return {
-      findNext: function () { return this.find(false) },
-      findPrevious: function () { return this.find(true) },
-      find: function (back?: boolean): string[] | null | undefined {
-        var doc = cm.cm6.state.doc
-        if (back) {
-          let endAt = last ? (last.from == last.to ? last.to - 1 : last.from) : firstOffset
-          last = prevMatchInRange(0, endAt);
-        } else {
-          let startFrom = last ? (last.from == last.to ? last.to + 1 : last.to) : firstOffset
-          last = nextMatch(startFrom)
-        }
-        lastCM5Result = last && {
-          from: posFromIndex(doc, last.from),
-          to: posFromIndex(doc, last.to),
-          match: last.match,
-        }
-        return last && last.match
-      },
-      from: function () { return lastCM5Result?.from },
-      to: function () { return lastCM5Result?.to },
-      replace: function (text: string) {
-        if (last) {
-          dispatchChange(cm, {
-            changes: { from: last.from, to: last.to, insert: text }
-          });
-          last.to = last.from + text.length
-          if (lastCM5Result) {
-            lastCM5Result.to = posFromIndex(cm.cm6.state.doc, last.to);
-          }
-        }
-      }
-    };
-  };
-  findPosV(start: Pos, amount: number, unit: "page" | "line", goalColumn?: number) {
-    let { cm6 } = this;
-    const doc = cm6.state.doc;
-    let pixels = unit == 'page' ? cm6.dom.clientHeight : 0;
-
-    const startOffset = indexFromPos(doc, start);
-    let range = EditorSelection.range(startOffset, startOffset, goalColumn);
-    let count = Math.round(Math.abs(amount))
-    for (let i = 0; i < count; i++) {
-      if (unit == 'page') {
-        range = cm6.moveVertically(range, amount > 0, pixels);
-      }
-      else if (unit == 'line') {
-        range = cm6.moveVertically(range, amount > 0);
-      }
-    }
-
-    let pos = posFromIndex(doc, range.head) as Pos&{hitSide?: boolean};
-    // set hitside to true if there was no place to move and cursor was clipped to the edge
-    // of document. Needed for gj/gk
-    if (
-      (
-        amount < 0 &&
-        range.head == 0 && goalColumn != 0 &&
-        start.line == 0 && start.ch != 0
-      ) || (
-        amount > 0 &&
-        range.head == doc.length && pos.ch != goalColumn
-        && start.line == pos.line
-      )
-    ) {
-      pos.hitSide = true;
-    }
-    return pos;
-  };
-  charCoords(pos: Pos, mode: "div" | "local") {
-    var rect = this.cm6.contentDOM.getBoundingClientRect();
-    var offset = indexFromPos(this.cm6.state.doc, pos)
-    var coords = this.cm6.coordsAtPos(offset)
-    var d = -rect.top
-    return { left: (coords?.left || 0) - rect.left, top: (coords?.top || 0) + d, bottom: (coords?.bottom || 0) + d }
-  };
-  coordsChar(coords: { left: number, top: number }, mode: "div" | "local") {
-    var rect = this.cm6.contentDOM.getBoundingClientRect()
-
-    var offset = this.cm6.posAtCoords({ x: coords.left + rect.left, y: coords.top + rect.top }) || 0
-    return posFromIndex(this.cm6.state.doc, offset)
-  };
-
-  getScrollInfo() {
-    var scroller = this.cm6.scrollDOM
-    return {
-      left: scroller.scrollLeft, top: scroller.scrollTop,
-      height: scroller.scrollHeight,
-      width: scroller.scrollWidth,
-      clientHeight: scroller.clientHeight, clientWidth: scroller.clientWidth
-    };
-  };
-  scrollTo(x?: number|null, y?: number|null) {
-    if (x != null)
-      this.cm6.scrollDOM.scrollLeft = x
-    if (y != null)
-      this.cm6.scrollDOM.scrollTop = y
-  };
-  scrollIntoView(pos?: Pos, margin?: number) {
-    if (pos) {
-      var offset = this.indexFromPos(pos);
-      this.cm6.dispatch({
-        effects: EditorView.scrollIntoView(offset)
-      });
-    } else {
-      this.cm6.dispatch({ scrollIntoView: true, userEvent: "scroll" });
-    }
-  };
-
-  getWrapperElement() {
-    return this.cm6.dom;
-  };
-
-  // for tests
-  getMode() {
-    return { name: this.getOption("mode") };
-  };
-  setSize(w: number, h: number) {
-    this.cm6.dom.style.width = w + 4 + "px"
-    this.cm6.dom.style.height = h + "px"
-    this.refresh()
-  }
-  refresh() {
-    (this.cm6 as any).measure()
-  }
-
-  // event listeners
-  destroy() {
-    this.removeOverlay();
-  };
-
-  getLastEditEnd() {
-    return this.posFromIndex(this.$lastChangeEndOffset);
-  };
-  $lastChangeEndOffset = 0;
-  $lineHandleChanges: undefined|ViewUpdate[]
-  onChange(update: ViewUpdate) {
-    if (this.$lineHandleChanges) {
-      this.$lineHandleChanges.push(update);
-    }
-    for (let i in this.marks) {
-      let m = this.marks[i];
-      m.update(update.changes)
-    }
-    if (this.virtualSelection) {
-      this.virtualSelection.ranges = this.virtualSelection.ranges.map(range => range.map(update.changes))
-    }
-    var curOp = this.curOp = this.curOp || ({} as Operation);
-    update.changes.iterChanges((fromA: number, toA: number, fromB: number, toB: number, text: Text) => {
-      if (curOp.$changeStart == null || curOp.$changeStart > fromB)
-        curOp.$changeStart = fromB;
-      this.$lastChangeEndOffset = toB;
-      var change = { text: text.toJSON() };
-      if (!curOp.lastChange) {
-        curOp.lastChange = curOp.change = change;
-      } else {
-        curOp.lastChange.next = curOp.lastChange = change;
-      }
-    }, true);
-    if (!curOp.changeHandlers)
-      curOp.changeHandlers = this._handlers["change"] && this._handlers["change"].slice();
-  };
-  onSelectionChange() {
-    var curOp = this.curOp = this.curOp || ({} as Operation);
-    if (!curOp.cursorActivityHandlers)
-      curOp.cursorActivityHandlers = this._handlers["cursorActivity"] && this._handlers["cursorActivity"].slice();
-    this.curOp.cursorActivity = true;
-  };
-  operation(fn: Function, force?: boolean) {
-    if (!this.curOp)
-      this.curOp = { $d: 0 };
-    this.curOp.$d++;
-    try {
-      var result = fn()
-    } finally {
-      if (this.curOp) {
-        this.curOp.$d--
-        if (!this.curOp.$d)
-          this.onBeforeEndOperation()
-      }
-    }
-    return result
-  };
-  onBeforeEndOperation() {
-    var op = this.curOp;
-    var scrollIntoView = false;
-    if (op) {
-      if (op.change) { signalTo(op.changeHandlers, this, op.change); }
-      if (op && op.cursorActivity) {
-        signalTo(op.cursorActivityHandlers, this, null);
-        if (op.isVimOp)
-          scrollIntoView = true;
-      }
-      this.curOp = null;
-    }
-    if (scrollIntoView)
-      this.scrollIntoView();
-  };
-  moveH(increment: number, unit: string) {
-    if (unit == 'char') {
-      // todo
-      var cur = this.getCursor();
-      this.setCursor(cur.line, cur.ch + increment);
-    }
-  };
-
-  setOption(name: string, val: any) {
-    switch (name) {
-      case "keyMap":
-        this.state.keyMap = val;
-        break;
-      case "textwidth":
-        this.state.textwidth = val;
-        break;
-      // TODO cm6 doesn't provide any method to reconfigure these
-      case "tabSize":
-      case "indentWithTabs":
-        break
-
-    }
-  };
-  getOption(name:"firstLineNumber"|"tabSize"): number;
-  getOption(name:string): number|boolean|string|undefined;
-  getOption(name: string) {
-    switch (name) {
-      case "firstLineNumber": return 1;
-      case "tabSize": return this.cm6.state.tabSize || 4;
-      case "readOnly": return this.cm6.state.readOnly;
-      case "indentWithTabs": return this.cm6.state.facet(indentUnit) == "\t"; // TODO
-      case "indentUnit": return this.cm6.state.facet(indentUnit).length || 2;
-      case "textwidth": return this.state.textwidth;
-      // for tests
-      case "keyMap": return this.state.keyMap || "vim";
-    }
-  };
-  toggleOverwrite(on: boolean) {
-    this.state.overwrite = on;
-  };
-  getTokenTypeAt(pos: Pos) {
-    // only comment|string are needed
-    var offset = this.indexFromPos(pos)
-    var tree = ensureSyntaxTree(this.cm6.state, offset)
-    var node = tree?.resolve(offset)
-    var type = node?.type?.name || ""
-    if (/comment/i.test(type)) return "comment";
-    if (/string/i.test(type)) return "string";
-    return ""
-  };
-
-  overWriteSelection(text: string) {
-    var doc = this.cm6.state.doc
-    var sel = this.cm6.state.selection;
-    var ranges = sel.ranges.map(x => {
-      if (x.empty) {
-        var ch = x.to < doc.length ? doc.sliceString(x.from, x.to + 1) : ""
-        if (ch && !/\n/.test(ch))
-          return EditorSelection.range(x.from, x.to + 1)
-      }
-      return x;
-    });
-    this.cm6.dispatch({
-      selection: EditorSelection.create(ranges, sel.mainIndex)
-    })
-    this.replaceSelection(text)
-  }
-
-  /*** multiselect ****/
-  isInMultiSelectMode() {
-    return this.cm6.state.selection.ranges.length > 1
-  }
-  virtualSelectionMode() {
-    return !!this.virtualSelection
-  }
-  virtualSelection: Mutable<EditorSelection> | null = null;
-  forEachSelection(command: Function) {
-    var selection = this.cm6.state.selection;
-    this.virtualSelection = EditorSelection.create(selection.ranges, selection.mainIndex)
-    for (var i = 0; i < this.virtualSelection.ranges.length; i++) {
-      var range = this.virtualSelection.ranges[i]
-      if (!range) continue
-      this.cm6.dispatch({ selection: EditorSelection.create([range]) });
-      command();
-      (this.virtualSelection as any).ranges[i] = this.cm6.state.selection.ranges[0]
-    }
-    this.cm6.dispatch({ selection: this.virtualSelection })
-    this.virtualSelection = null;
-  }
-
-  hardWrap(options) {
-    return hardWrap(this, options);
-  }
-
-  showMatchesOnScrollbar?: Function // not implemented
-  save?: Function
-  static keyName?: Function = undefined
-};
-
-type Mutable<Type> = {
-  -readonly [Key in keyof Type]: Type[Key];
-};
-
-/************* dialog *************/
-
-
-function dialogDiv(cm: CodeMirror, template: Node, bottom?: boolean) {
-  var dialog = document.createElement("div");
-  dialog.appendChild(template);
-  return dialog;
-}
-
-function closeNotification(cm: CodeMirror, newVal?: Function) {
-  if (cm.state.currentNotificationClose)
-    cm.state.currentNotificationClose();
-  cm.state.currentNotificationClose = newVal;
-}
-interface NotificationOptions { bottom?: boolean, duration?: number }
-function openNotification(cm: CodeMirror, template: Node, options: NotificationOptions) {
-  closeNotification(cm, close);
-  var dialog = dialogDiv(cm, template, options && options.bottom);
-  var closed = false;
-  var doneTimer: number;
-  var duration = options && typeof options.duration !== "undefined" ? options.duration : 5000;
-
-  function close() {
-    if (closed) return;
-    closed = true;
-    clearTimeout(doneTimer);
-    dialog.remove();
-    hideDialog(cm, dialog)
-  }
-
-  dialog.onclick = function (e) {
-    e.preventDefault();
-    close();
-  };
-
-  showDialog(cm, dialog)
-
-  if (duration)
-    doneTimer = setTimeout(close, duration);
-
-  return close;
-}
-
-
-function showDialog(cm: CodeMirror, dialog: Element) {
-  var oldDialog = cm.state.dialog
-  cm.state.dialog = dialog;
-
-  if (dialog && oldDialog !== dialog) {
-    if (oldDialog && oldDialog.contains(document.activeElement))
-      cm.focus()
-    if (oldDialog && oldDialog.parentElement) {
-      oldDialog.parentElement.replaceChild(dialog, oldDialog)
-    } else if (oldDialog) {
-      oldDialog.remove()
-    }
-    CodeMirror.signal(cm, "dialog")
-  }
-}
-
-function hideDialog(cm: CodeMirror, dialog: Element) {
-  if (cm.state.dialog == dialog) {
-    cm.state.dialog = null;
-    CodeMirror.signal(cm, "dialog")
-  }
-}
-
-function openDialog(me: CodeMirror, template: Element, callback: Function, options: any) {
-  if (!options) options = {};
-
-  closeNotification(me, undefined);
-
-  var dialog = dialogDiv(me, template, options.bottom);
-  var closed = false;
-  showDialog(me, dialog);
-
-  function close(newVal?: string) {
-    if (typeof newVal == 'string') {
-      inp.value = newVal;
-    } else {
-      if (closed) return;
-
-      closed = true;
-      hideDialog(me, dialog)
-      if (!me.state.dialog)
-        me.focus();
-
-      if (options.onClose) options.onClose(dialog);
-    }
-  }
-
-  var inp = dialog.getElementsByTagName("input")[0];
-  if (inp) {
-    if (options.value) {
-      inp.value = options.value;
-      if (options.selectValueOnOpen !== false) inp.select();
-    }
-
-    if (options.onInput)
-      CodeMirror.on(inp, "input", function (e: KeyboardEvent) { options.onInput(e, inp.value, close); });
-    if (options.onKeyUp)
-      CodeMirror.on(inp, "keyup", function (e: KeyboardEvent) { options.onKeyUp(e, inp.value, close); });
-
-    CodeMirror.on(inp, "keydown", function (e: KeyboardEvent) {
-      if (options && options.onKeyDown && options.onKeyDown(e, inp.value, close)) { return; }
-      if (e.keyCode == 13) callback(inp.value);
-      if (e.keyCode == 27 || (options.closeOnEnter !== false && e.keyCode == 13)) {
-        inp.blur();
-        CodeMirror.e_stop(e);
-        close();
-      }
-    });
-
-    if (options.closeOnBlur !== false) CodeMirror.on(inp, "blur", function () {
-      setTimeout(function () {
-        if (document.activeElement === inp)
-          return;
-        close()
-      })
-    });
-
-    inp.focus();
-  }
-  return close;
-}
-
-var matching: any = { "(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<", "<": ">>", ">": "<<" };
-
-function bracketRegex(config: any) {
-  return config && config.bracketRegex || /[(){}[\]]/
-}
-
-function scanForBracket(cm: CodeMirror, where: Pos, dir: -1 | 1, style: any, config: any) {
-  var maxScanLen = (config && config.maxScanLineLength) || 10000;
-  var maxScanLines = (config && config.maxScanLines) || 1000;
-
-  var stack: string[] = [];
-  var re = bracketRegex(config)
-  var lineEnd = dir > 0 ? Math.min(where.line + maxScanLines, cm.lastLine() + 1)
-    : Math.max(cm.firstLine() - 1, where.line - maxScanLines);
-  for (var lineNo = where.line; lineNo != lineEnd; lineNo += dir) {
-    var line = cm.getLine(lineNo);
-    if (!line) continue;
-    var pos = dir > 0 ? 0 : line.length - 1, end = dir > 0 ? line.length : -1;
-    if (line.length > maxScanLen) continue;
-    if (lineNo == where.line) pos = where.ch - (dir < 0 ? 1 : 0);
-    for (; pos != end; pos += dir) {
-      var ch = line.charAt(pos);
-      if (re.test(ch) /*&& (style === undefined ||
-                          (cm.getTokenTypeAt(new Pos(lineNo, pos + 1)) || "") == (style || ""))*/) {
-        var match = matching[ch];
-        if (match && (match.charAt(1) == ">") == (dir > 0)) stack.push(ch);
-        else if (!stack.length) return { pos: new Pos(lineNo, pos), ch: ch };
-        else stack.pop();
-      }
-    }
-  }
-  return lineNo - dir == (dir > 0 ? cm.lastLine() : cm.firstLine()) ? false : null;
-}
-
-function findMatchingTag(cm: CodeMirror, pos: Pos): undefined {
-}
-
-function findEnclosingTag(cm: CodeMirror, pos: Pos) {
-  var state = cm.cm6.state;
-  var offset = cm.indexFromPos(pos);
-  if (offset < state.doc.length) {
-    var text = state.sliceDoc(offset, offset + 1)
-    if (text == "<") offset++;
-  }
-  var tree = ensureSyntaxTree(state, offset);
-  var node = tree?.resolve(offset) || null;
-  while (node) {
-    if (
-      node.firstChild?.type.name == 'OpenTag'
-      && node.lastChild?.type.name == 'CloseTag'
-    ) {
-      return {
-        open: convertRange(state.doc, node.firstChild),
-        close: convertRange(state.doc, node.lastChild),
-      };
-    }
-    node = node.parent;
-  }
-}
-
-function convertRange(doc: Text, cm6Range: { from: number, to: number }) {
-  return {
-    from: posFromIndex(doc, cm6Range.from),
-    to: posFromIndex(doc, cm6Range.to)
-  }
-}
-
-
-
-class Marker {
-  cm: CodeMirror;
-  id: number;
-  offset: number | null;
-  assoc: number;
-
-  constructor(cm: CodeMirror, offset: number, assoc: number) {
-    this.cm = cm;
-    this.id = cm.$mid++;
-    this.offset = offset;
-    this.assoc = assoc;
-    cm.marks[this.id] = this;
-  };
-  clear() { delete this.cm.marks[this.id] };
-  find(): Pos | null {
-    if (this.offset == null) return null;
-    return this.cm.posFromIndex(this.offset)
-  };
-  update(change: ChangeDesc) {
-    if (this.offset != null)
-      this.offset = change.mapPos(this.offset, this.assoc, MapMode.TrackDel)
-  }
-}
-
-
-
-function hardWrap(cm, options) {
-  var max = options.column || cm.getOption('textwidth') || 80;
-  var allowMerge = options.allowMerge != false;
-
-  var row = Math.min(options.from, options.to);
-  var endRow = Math.max(options.from, options.to);
-
-  while (row <= endRow) {
-    var line = cm.getLine(row);
-    if (line.length > max) {
-      var space = findSpace(line, max, 5);
-      if (space) {
-          var indentation = /^\s*/.exec(line)?.[0];
-          cm.replaceRange("\n" + indentation, new Pos(row, space.start), new Pos(row, space.end));
-      }
-      endRow++;
-    } else if (allowMerge && /\S/.test(line) && row != endRow) {
-      var nextLine = cm.getLine(row + 1);
-      if (nextLine && /\S/.test(nextLine)) {
-        var trimmedLine = line.replace(/\s+$/, "");
-        var trimmedNextLine = nextLine.replace(/^\s+/, "");
-        var mergedLine = trimmedLine + " " + trimmedNextLine;
-
-        var space = findSpace(mergedLine, max, 5);
-        if (space && space.start > trimmedLine.length || mergedLine.length < max) {
-          cm.replaceRange(" ", new Pos(row, trimmedLine.length), new Pos(row + 1, nextLine.length - trimmedNextLine.length));
-          row--;
-          endRow--;
-        } else if (trimmedLine.length < line.length) {
-          cm.replaceRange("", new Pos(row, trimmedLine.length), new Pos(row, line.length));
-        }
-      }
-    }
-    row++;
-  }
-  return row;
-
-  function findSpace(line, max, min) {
-    if (line.length < max)
-      return;
-    var before = line.slice(0, max);
-    var after = line.slice(max);
-    var spaceAfter = /^(?:(\s+)|(\S+)(\s+))/.exec(after);
-    var spaceBefore = /(?:(\s+)|(\s+)(\S+))$/.exec(before);
-    var start = 0;
-    var end = 0;
-    if (spaceBefore && !spaceBefore[2]) {
-      start = max - spaceBefore[1].length;
-      end = max;
-    }
-    if (spaceAfter && !spaceAfter[2]) {
-      if (!start)
-        start = max;
-      end = max + spaceAfter[1].length;
-    }
-    if (start) {
-      return {
-        start: start,
-        end: end
-      };
-    }
-    if (spaceBefore && spaceBefore[2] && spaceBefore.index > min) {
-      return {
-        start: spaceBefore.index,
-        end: spaceBefore.index + spaceBefore[2].length
-      };
-    }
-    if (spaceAfter && spaceAfter[2]) {
-      start =  max + spaceAfter[2].length;
-      return {
-        start: start,
-        end: start + spaceAfter[3].length
-      };
-    }
-  }
-}
-

packages/editor/src/services/keymaps/codemirror-vim/index.ts

@@ -1,434 +0,0 @@
-// Ref: https://github.com/replit/codemirror-vim/blob/35e3a99fb0225eb7590c6dec02406df804e05422/src/index.ts
-/* eslint-disable */
-// @ts-nocheck
-import { initVim } from "./vim";
-import { CodeMirror } from "./cm_adapter";
-import { BlockCursorPlugin, hideNativeSelection } from "./block-cursor";
-import {
-  Extension,
-  StateField,
-  StateEffect,
-  RangeSetBuilder,
-} from "@codemirror/state";
-import {
-  ViewPlugin,
-  PluginValue,
-  ViewUpdate,
-  Decoration,
-  EditorView,
-  showPanel,
-  Panel,
-} from "@codemirror/view";
-import { setSearchQuery } from "@codemirror/search";
-
-var FIREFOX_LINUX = typeof navigator != "undefined"
-  && /linux/i.test(navigator.platform)
-  && / Gecko\/\d+/.exec(navigator.userAgent);
-
-const Vim = initVim(CodeMirror);
-
-const HighlightMargin = 250;
-
-const vimStyle = EditorView.baseTheme({
-  ".cm-vimMode .cm-cursorLayer:not(.cm-vimCursorLayer)": {
-    display: "none",
-  },
-  ".cm-vim-panel": {
-    padding: "0px 10px",
-    fontFamily: "monospace",
-    minHeight: "1.3em",
-  },
-  ".cm-vim-panel input": {
-    border: "none",
-    outline: "none",
-    backgroundColor: "inherit",
-  },
-
-  "&light .cm-searchMatch": { backgroundColor: "#ffff0054" },
-  "&dark .cm-searchMatch": { backgroundColor: "#00ffff8a" },
-});
-type EditorViewExtended = EditorView & { cm: CodeMirror };
-
-const vimPlugin = ViewPlugin.fromClass(
-  class implements PluginValue {
-    private dom: HTMLElement;
-    private statusButton: HTMLElement;
-    public view: EditorViewExtended;
-    public cm: CodeMirror;
-    public status = "";
-    blockCursor: BlockCursorPlugin;
-    constructor(view: EditorView) {
-      this.view = view as EditorViewExtended;
-      const cm = (this.cm = new CodeMirror(view));
-      Vim.enterVimMode(this.cm);
-
-      this.view.cm = this.cm;
-      this.cm.state.vimPlugin = this;
-
-      this.blockCursor = new BlockCursorPlugin(view, cm);
-      this.updateClass();
-
-      this.cm.on("vim-command-done", () => {
-        if (cm.state.vim) cm.state.vim.status = "";
-        this.blockCursor.scheduleRedraw();
-        this.updateStatus();
-      });
-      this.cm.on("vim-mode-change", (e: any) => {
-        if (!cm.state.vim) return;
-        cm.state.vim.mode = e.mode;
-        if (e.subMode) {
-          cm.state.vim.mode += " block";
-        }
-        cm.state.vim.status = "";
-        this.blockCursor.scheduleRedraw();
-        this.updateClass();
-        this.updateStatus();
-      });
-
-      this.cm.on("dialog", () => {
-        if (this.cm.state.statusbar) {
-          this.updateStatus();
-        } else {
-          view.dispatch({
-            effects: showVimPanel.of(!!this.cm.state.dialog),
-          });
-        }
-      });
-
-      this.dom = document.createElement("span");
-      this.dom.style.cssText = "position: absolute; right: 10px; top: 1px";
-      this.statusButton = document.createElement("span");
-      this.statusButton.onclick = (e) => {
-        Vim.handleKey(this.cm, "<Esc>", "user");
-        this.cm.focus();
-      };
-      this.statusButton.style.cssText = "cursor: pointer";
-    }
-
-    update(update: ViewUpdate) {
-      if ((update.viewportChanged || update.docChanged) && this.query) {
-        this.highlight(this.query);
-      }
-      if (update.docChanged) {
-        this.cm.onChange(update);
-      }
-      if (update.selectionSet) {
-        this.cm.onSelectionChange();
-      }
-      if (update.viewportChanged) {
-        // scroll
-      }
-      if (this.cm.curOp && !this.cm.curOp.isVimOp) {
-        this.cm.onBeforeEndOperation();
-      }
-      if (update.transactions) {
-        for (let tr of update.transactions)
-          for (let effect of tr.effects) {
-            if (effect.is(setSearchQuery)) {
-              let forVim = (effect.value as any)?.forVim;
-              if (!forVim) {
-                this.highlight(null);
-              } else {
-                let query = (effect.value as any).create();
-                this.highlight(query);
-              }
-            }
-          }
-      }
-
-      this.blockCursor.update(update);
-    }
-    updateClass() {
-      const state = this.cm.state;
-      if (!state.vim || (state.vim.insertMode && !state.overwrite))
-        this.view.scrollDOM.classList.remove("cm-vimMode");
-      else this.view.scrollDOM.classList.add("cm-vimMode");
-    }
-    updateStatus() {
-      let dom = this.cm.state.statusbar;
-      let vim = this.cm.state.vim;
-      if (!dom || !vim) return;
-      let dialog = this.cm.state.dialog;
-      if (dialog) {
-        if (dialog.parentElement != dom) {
-          dom.textContent = "";
-          dom.appendChild(dialog);
-        }
-      } else {
-        dom.textContent = ""
-        var status = (vim.mode || "normal").toUpperCase();
-        if (vim.insertModeReturn) status += "(C-O)"
-        this.statusButton.textContent = `--${status}--`;
-        dom.appendChild(this.statusButton);
-      }
-
-      this.dom.textContent = vim.status;
-      dom.appendChild(this.dom);
-    }
-
-    destroy() {
-      Vim.leaveVimMode(this.cm);
-      this.updateClass();
-      this.blockCursor.destroy();
-      delete (this.view as any).cm;
-    }
-
-    highlight(query: any) {
-      this.query = query;
-      if (!query) return (this.decorations = Decoration.none);
-      let { view } = this;
-      let builder = new RangeSetBuilder<Decoration>();
-      for (
-        let i = 0, ranges = view.visibleRanges, l = ranges.length;
-        i < l;
-        i++
-      ) {
-        let { from, to } = ranges[i];
-        while (i < l - 1 && to > ranges[i + 1].from - 2 * HighlightMargin)
-          to = ranges[++i].to;
-        query.highlight(
-          view.state,
-          from,
-          to,
-          (from: number, to: number) => {
-            builder.add(from, to, matchMark);
-          }
-        );
-      }
-      return (this.decorations = builder.finish());
-    }
-    query = null;
-    decorations = Decoration.none;
-    waitForCopy = false;
-    handleKey(e: KeyboardEvent, view: EditorView) {
-      const cm = this.cm;
-      let vim = cm.state.vim;
-      if (!vim) return;
-
-      const key = Vim.vimKeyFromEvent(e, vim);
-      if (!key) return;
-
-      // clear search highlight
-      if (
-        key == "<Esc>" &&
-        !vim.insertMode &&
-        !vim.visualMode &&
-        this.query /* && !cm.inMultiSelectMode*/
-      ) {
-        const searchState = vim.searchState_
-        if (searchState) {
-          cm.removeOverlay(searchState.getOverlay())
-          searchState.setOverlay(null);
-        }
-      }
-
-      let isCopy = key === "<C-c>" && !CodeMirror.isMac;
-      if (isCopy && cm.somethingSelected()) {
-        this.waitForCopy = true;
-        return true;
-      }
-
-      vim.status = (vim.status || "") + key;
-      let result = Vim.multiSelectHandleKey(cm, key, "user");
-      vim = Vim.maybeInitVimState_(cm); // the object can change if there is an exception in handleKey
-
-      // insert mode
-      if (!result && vim.insertMode && cm.state.overwrite) {
-        if (e.key && e.key.length == 1 && !/\n/.test(e.key)) {
-          result = true;
-          cm.overWriteSelection(e.key);
-        } else if (e.key == "Backspace") {
-          result = true;
-          CodeMirror.commands.cursorCharLeft(cm);
-        }
-      }
-      if (result) {
-        CodeMirror.signal(this.cm, 'vim-keypress', key);
-        e.preventDefault();
-        e.stopPropagation();
-        this.blockCursor.scheduleRedraw();
-      }
-
-      this.updateStatus();
-
-      return !!result;
-    }
-    lastKeydown = ''
-    useNextTextInput = false
-    compositionText = ''
-  },
-  {
-    eventHandlers: {
-      copy: function(e: ClipboardEvent, view: EditorView) {
-        if (!this.waitForCopy) return;
-        this.waitForCopy = false;
-        Promise.resolve().then(() => {
-          var cm = this.cm;
-          var vim = cm.state.vim;
-          if (!vim) return;
-          if (vim.insertMode) {
-            cm.setSelection(cm.getCursor(), cm.getCursor());
-          } else {
-            cm.operation(() => {
-              if (cm.curOp) cm.curOp.isVimOp = true;
-              Vim.handleKey(cm, '<Esc>', 'user');
-            });
-          }
-        });
-      },
-      compositionstart: function(e: Event, view: EditorView) {
-        this.useNextTextInput = true;
-      },
-      keypress: function(e: KeyboardEvent, view: EditorView) {
-        if (this.lastKeydown == "Dead")
-          this.handleKey(e, view);
-      },
-      keydown: function(e: KeyboardEvent, view: EditorView) {
-        this.lastKeydown = e.key;
-        if (
-          this.lastKeydown == "Unidentified"
-          || this.lastKeydown == "Process"
-          || this.lastKeydown == "Dead"
-        ) {
-          this.useNextTextInput = true;
-        } else {
-          this.useNextTextInput = false;
-          this.handleKey(e, view);
-        }
-      },
-    },
-    provide: () => {
-      return [
-        EditorView.inputHandler.of((view, from, to, text) => {
-          var cm = getCM(view);
-          if (!cm) return false;
-          var vim = cm.state?.vim;
-          var vimPlugin = cm.state.vimPlugin;
-
-          if (vim && !vim.insertMode && !cm.curOp?.isVimOp) {
-            if (text === "\0\0") {
-              return true;
-            }
-            if (text.length == 1 && vimPlugin.useNextTextInput) {
-              if (vim.expectLiteralNext && view.composing) {
-                vimPlugin.compositionText = text;
-                return false
-              }
-              if (vimPlugin.compositionText) {
-                var toRemove = vimPlugin.compositionText;
-                vimPlugin.compositionText = '';
-                var head = view.state.selection.main.head
-                var textInDoc = view.state.sliceDoc(head - toRemove.length, head);
-                if (toRemove === textInDoc) {
-                  var pos = cm.getCursor();
-                  cm.replaceRange('', cm.posFromIndex(head - toRemove.length), pos);
-                }
-              }
-              vimPlugin.handleKey({
-                key: text,
-                preventDefault: ()=>{},
-                stopPropagation: ()=>{}
-              });
-              forceEndComposition(view);
-              return true;
-            }
-          }
-          return false;
-        })
-      ]
-    },
-
-    decorations: (v) => v.decorations,
-  }
-);
-
-/**
- * removes contenteditable element and adds it back to end
- * IME composition in normal mode
- * this method works on all browsers except for Firefox on Linux
- * where we need to reset textContent of editor
- * (which doesn't work on other browsers)
- */
-function forceEndComposition(view: EditorView) {
-  var parent = view.scrollDOM.parentElement;
-  if (!parent) return;
-
-  if (FIREFOX_LINUX) {
-    view.contentDOM.textContent = "\0\0";
-    view.contentDOM.dispatchEvent(new CustomEvent("compositionend"));
-    return;
-  }
-  var sibling = view.scrollDOM.nextSibling;
-  var selection = window.getSelection();
-  var savedSelection = selection && {
-    anchorNode: selection.anchorNode,
-    anchorOffset: selection.anchorOffset,
-    focusNode: selection.focusNode,
-    focusOffset: selection.focusOffset
-  };
-
-  view.scrollDOM.remove();
-  parent.insertBefore(view.scrollDOM, sibling);
-  try {
-    if (savedSelection && selection) {
-      selection.setPosition(savedSelection.anchorNode, savedSelection.anchorOffset);
-      if (savedSelection.focusNode) {
-        selection.extend(savedSelection.focusNode, savedSelection.focusOffset);
-      }
-    }
-  } catch(e) {
-    console.error(e);
-  }
-  view.focus();
-  view.contentDOM.dispatchEvent(new CustomEvent("compositionend"));
-}
-
-const matchMark = Decoration.mark({ class: "cm-searchMatch" });
-
-const showVimPanel = StateEffect.define<boolean>();
-
-const vimPanelState = StateField.define<boolean>({
-  create: () => false,
-  update(value, tr) {
-    for (let e of tr.effects) if (e.is(showVimPanel)) value = e.value;
-    return value;
-  },
-  provide: (f) => {
-    return showPanel.from(f, (on) => (on ? createVimPanel : null));
-  },
-});
-
-function createVimPanel(view: EditorView) {
-  let dom = document.createElement("div");
-  dom.className = "cm-vim-panel";
-  let cm = (view as EditorViewExtended).cm;
-  if (cm.state.dialog) {
-    dom.appendChild(cm.state.dialog);
-  }
-  return { top: false, dom };
-}
-
-function statusPanel(view: EditorView): Panel {
-  let dom = document.createElement("div");
-  dom.className = "cm-vim-panel";
-  let cm = (view as EditorViewExtended).cm;
-  cm.state.statusbar = dom;
-  cm.state.vimPlugin.updateStatus();
-  return { dom };
-}
-
-export function vim(options: { status?: boolean } = {}): Extension {
-  return [
-    vimStyle,
-    vimPlugin,
-    hideNativeSelection,
-    options.status ? showPanel.of(statusPanel) : vimPanelState,
-  ];
-}
-
-export { CodeMirror, Vim };
-
-export function getCM(view: EditorView): CodeMirror | null {
-  return (view as EditorViewExtended).cm || null;
-}
-

packages/editor/src/services/keymaps/codemirror-vim/types.d.ts

@@ -1,338 +0,0 @@
-/* eslint-disable */
-// @ts-nocheck
-import { CodeMirror } from "./cm_adapter"
-import {initVim} from "./vim"
-export type Vim = ReturnType<typeof initVim>
-export type vimState = {
-    onPasteFn?: any,
-    sel: {head: Pos, anchor: Pos},
-    insertModeReturn: boolean,
-    visualBlock: boolean,
-    marks: {[mark: string]: Marker},
-    visualMode: boolean,
-    insertMode: boolean,
-    pasteFn: any,
-    lastSelection: any,
-    searchState_: any,
-    lastEditActionCommand: actionCommand|void,
-    lastPastedText: any,
-    lastMotion: any,
-    options: {[optionName: string]: vimOption},
-    lastEditInputState: InputStateInterface|void,
-    inputState: InputStateInterface,
-    visualLine: boolean,
-    insertModeRepeat: any,
-    lastHSPos: number,
-    lastHPos: number,
-    wasInVisualBlock?: boolean,
-    insert?: any,
-    insertEnd?: Marker,
-    status: string,
-    exMode?: boolean,
-    mode?: any,
-    expectLiteralNext?: boolean,
-    constructor(): void;
-}
-export type Marker = ReturnType<CodeMirror["setBookmark"]>
-export type LineHandle = ReturnType<CodeMirror["getLineHandle"]>
-export type Pos = { line: number, ch: number, sticky?: string }
-
-export interface CM5Range {
-    anchor: Pos,
-    head: Pos,
-
-    from(): Pos,
-    empty(): boolean
-}
-export interface CM5RangeInterface {
-    anchor: Pos,
-    head: Pos,
-}
-
-export type RegisterController = ReturnType<Vim["getRegisterController"]>
-export type Register = ReturnType<RegisterController["getRegister"]>
-
-export type SearchArgs = {
-    forward?: boolean,
-    toJumplist?: boolean,
-    wholeWordOnly?: boolean,
-    querySrc?: string,
-}
-
-export type OperatorArgs = {
-    repeat?: number,
-    forward?: boolean,
-    linewise?: boolean,
-    fullLine?: boolean,
-    registerName?: string|null,
-    indentRight?: boolean,
-    toLower?: boolean,
-    shouldMoveCursor?: boolean,
-    selectedCharacter?: string,
-    lastSel?: any;
-    keepCursor?: boolean;
-}
-// version of CodeMirror with vim state checked
-export type CodeMirrorV = CodeMirror & {state: {vim: vimState}}
-export type OperatorFn = (cm: CodeMirrorV, args: OperatorArgs, ranges: CM5RangeInterface[], oldAnchor: Pos, newHead?: Pos) => Pos|void
-export type vimOperators = {
-    change(cm: CodeMirrorV, args: OperatorArgs, ranges: CM5RangeInterface[]): void,
-    delete(cm: CodeMirrorV, args: OperatorArgs, ranges: CM5RangeInterface[]): void,
-    indent(cm: CodeMirrorV, args: OperatorArgs, ranges: CM5RangeInterface[]): void,
-    indentAuto(cm: CodeMirrorV, args: OperatorArgs, ranges: CM5RangeInterface[]): void,
-    hardWrap(cm: CodeMirrorV, args: OperatorArgs, ranges: CM5RangeInterface[], oldAnchor: Pos): Pos|void,
-    changeCase(cm: CodeMirrorV, args: OperatorArgs, ranges: CM5RangeInterface[], oldAnchor: Pos, newHead?: Pos): Pos|void,
-    yank(cm: CodeMirrorV, args: OperatorArgs, ranges: CM5RangeInterface[], oldAnchor: Pos): Pos|void,
-} & {
-    [key: string]: OperatorFn
-}
-
-export type ActionArgsPartial = {
-    repeat?: number,
-    forward?: boolean,
-    head?: Pos,
-    position?: string
-    backtrack?: boolean,
-    increase?: boolean,
-    repeatIsExplicit?: boolean,
-    indentRight?: boolean,
-    selectedCharacter?: string,
-    after?: boolean,
-    matchIndent?: boolean,
-    registerName?: string,
-    isEdit?: boolean
-    linewise?: boolean,
-    insertAt?: string,
-    blockwise?: boolean,
-    keepSpaces?: boolean,
-    replace?: boolean,
-    keepCursor?: boolean
-}
-export type ActionArgs = ActionArgsPartial & {repeat: number};
-
-export type ActionFn = (cm: CodeMirrorV, actionArgs: ActionArgs, vim: vimState) => void
-
-export type vimActions  = {
-    jumpListWalk(cm: CodeMirrorV, actionArgs: ActionArgs, vim: vimState): void,
-    continuePaste(cm: CodeMirrorV, actionArgs: ActionArgs, vim: vimState, text: string, register: Register): void
-    enterInsertMode(cm: CodeMirrorV, actionArgs: ActionArgsPartial, vum: vimState): void,
-} & {
-    [key: string]: ActionFn
-}
-
-export type MotionArgsPartial = {
-    repeat?: number,
-    forward?: boolean,
-    selectedCharacter?: string,
-    linewise?: boolean,
-    textObjectInner?: boolean,
-    sameLine?: boolean,
-    repeatOffset?: number,
-    toJumplist?: boolean,
-    inclusive?: boolean,
-    wordEnd?: boolean,
-    toFirstChar?:boolean,
-    explicitRepeat?: boolean,
-    bigWord?: boolean,
-    repeatIsExplicit?: boolean,
-    noRepeat?: boolean
-};
-
-export type MotionArgs = MotionArgsPartial & {repeat: number};
-
-export type MotionFn = (cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs, vim: vimState, inputState: InputStateInterface) => Pos|[Pos,Pos]|null|undefined
-export type vimMotions = {
-    moveToTopLine(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos
-    moveToMiddleLine(cm: CodeMirrorV): Pos
-    moveToBottomLine(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos
-    expandToLine(_cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos
-    findNext(_cm: CodeMirrorV, _head: Pos, motionArgs: MotionArgs): Pos | undefined
-    findAndSelectNextInclusive(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs, vim: vimState, inputState: InputStateInterface): Pos|[Pos,Pos] | undefined
-    goToMark(cm: CodeMirrorV, _head: Pos, motionArgs: MotionArgs, vim: vimState, inputState: InputStateInterface): Pos | undefined | null
-    moveToOtherHighlightedEnd(cm: CodeMirrorV, _head: Pos, motionArgs: MotionArgs, vim: vimState): [Pos,Pos]
-    jumpToMark(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs, vim: vimState):Pos
-    moveByCharacters(_cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos
-    moveByLines(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs, vim: vimState): Pos
-    moveByDisplayLines(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs, vim: vimState): Pos
-    moveByPage(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos
-    moveByParagraph(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos
-    moveBySentence(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos
-    moveByScroll(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs, vim: vimState): Pos | null
-    moveByWords(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos | undefined
-    moveTillCharacter(cm: CodeMirrorV, _head: Pos, motionArgs: MotionArgs): Pos | null
-    moveToCharacter(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos
-    moveToSymbol(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos
-    moveToColumn(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs, vim: vimState): Pos
-    moveToEol(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs, vim: vimState): Pos
-    moveToFirstNonWhiteSpaceCharacter(cm: CodeMirrorV, head: Pos): Pos
-    moveToMatchedSymbol(cm: CodeMirrorV, head: Pos): Pos | undefined
-    moveToStartOfLine(_cm: CodeMirrorV, head: Pos, motionArgs?: MotionArgs, vim?: vimState): Pos
-    moveToLineOrEdgeOfDocument(cm: CodeMirrorV, _head: Pos, motionArgs: MotionArgs): Pos
-    moveToStartOfDisplayLine(cm: CodeMirrorV): Pos
-    moveToEndOfDisplayLine(cm: CodeMirrorV): Pos
-    textObjectManipulation(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs, vim: vimState): Pos | [Pos, Pos] | null
-    repeatLastCharacterSearch(cm: CodeMirrorV, head: Pos, motionArgs: MotionArgs): Pos
-    [key: string]: MotionFn
-}
-
-
-
-export type optionCallback = (value?: string|undefined, cm?: CodeMirror) => any
-export type vimOption = {
-    type?: string,
-    defaultValue?: unknown,
-    callback?: optionCallback,
-    value?: unknown
-}
-
-
-export type ExFn = ()=> void;
-
-type allCommands = {
-    keys: string,
-    context?: string,
-    interlaceInsertRepeat?: boolean,
-    exitVisualBlock?: boolean,
-    isEdit?: boolean,
-    repeatOverride?: number
-}
-export type motionCommand = allCommands & {
-    type: 'motion',
-    motion: string,
-    motionArgs?: MotionArgsPartial,
-    repeatOverride?: number
-}
-export type operatorCommand = allCommands & {
-    type: 'operator',
-    operator: string,
-    operatorArgs?: OperatorArgs
-}
-export type actionCommand = allCommands & {
-    type: 'action',
-    action: string,
-    actionArgs?: ActionArgsPartial,
-    motion?: string,
-    operator?: string,
-    interlaceInsertRepeat?: boolean
-}
-export type searchCommand = allCommands & {
-    type: 'search',
-    searchArgs: SearchArgs
-}
-export type operatorMotionCommand = allCommands & {
-    type: 'operatorMotion',
-    motion: string,
-    operator: string,
-    motionArgs?: MotionArgsPartial,
-    operatorArgs?: OperatorArgs,
-    operatorMotionArgs?: { [arg: string]: boolean | string }
-}
-export type idleCommand = allCommands & { type: 'idle' }
-export type exCommand = allCommands & { type: 'ex' }
-export type keyToExCommand = allCommands & { type: 'keyToEx', exArgs: { [arg: string]: any } }
-export type keyToKeyCommand = allCommands & { toKeys: string, type: 'keyToKey' }
-
-export type vimKey =
-    motionCommand
-    | operatorCommand
-    | actionCommand
-    | searchCommand
-    | operatorMotionCommand
-    | idleCommand
-    | exCommand
-    | keyToExCommand
-    | keyToKeyCommand;
-
-export type vimKeyMap = vimKey[];
-
-export interface InputStateInterface {
-    prefixRepeat: string[];
-    motionRepeat: any[];
-    operator: any| undefined | null;
-    operatorArgs: OperatorArgs | undefined | null;
-    motion: string | undefined | null;
-    motionArgs: MotionArgs | null;
-    keyBuffer: any[];
-    registerName?: string;
-    changeQueue: any;
-    operatorShortcut?: string;
-    selectedCharacter?: string;
-    repeatOverride?: number;
-    changeQueueList?: any[];
-    pushRepeatDigit(n: string): void;
-    getRepeat(): number;
-}
-
-export type vimExCommands = {
-    colorscheme(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    map(cm: CodeMirrorV, params: vimExCommandsParams, ctx: string): void,
-    imap(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    nmap(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    vmap(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    unmap(cm: CodeMirrorV, params: vimExCommandsParams, ctx: string): void,
-    move(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    set(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    setlocal(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    setglobal(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    registers(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    sort(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    vglobal(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    global(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    substitute(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    redo(cm: CodeMirrorV): void,
-    undo(cm: CodeMirrorV): void,
-    write(cm: CodeMirrorV & {save?: Function}): void,
-    nohlsearch(cm: CodeMirrorV): void,
-    yank(cm: CodeMirrorV): void,
-    delete(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    join(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    delmarks(cm: CodeMirrorV, params: vimExCommandsParams): void,
-    [key: string]:(cm: CodeMirrorV, params: vimExCommandsParams, ctx: string)=> void,
-}
-
-type vimExCommandsParams = {
-    args?: any[],
-    input?: string,
-    line?: number,
-    setCfg?: any,
-    argString?: string,
-    lineEnd?: number,
-    commandName?: any[],
-    callback?: () => any,
-    selectionLine?: number,
-    selectionLineEnd?: number
-}
-
-
-export type InsertModeChanges = {
-    changes: any;
-    expectCursorActivityForChange: any;
-    visualBlock?: number,
-    maybeReset?: boolean,
-    ignoreCount?: number,
-    repeatOverride?: number,
-}
-
-export type ExParams = {
-    commandName: string,
-    argString: string,
-    input: string,
-    args?: string[],
-
-    line: number,
-    lineEnd?: number,
-    selectionLine: number,
-    selectionLineEnd?: number,
-
-    setCfg?: Object,
-    callback?: any,
-
-}
-
-
-declare global {
-    function isNaN(v: any): v is Exclude<typeof v, number>;
-    interface String {
-        trimStart(): string
-    }
-}

packages/editor/src/services/keymaps/codemirror-vim/vim.js

@@ -1,6743 +0,0 @@
-/* eslint-disable */
-// @ts-nocheck
-
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: https://codemirror.net/5/LICENSE
-
-/**
- * Supported keybindings:
- *   Too many to list. Refer to defaultKeymap below.
- *
- * Supported Ex commands:
- *   Refer to defaultExCommandMap below.
- *
- * Registers: unnamed, -, ., :, /, _, a-z, A-Z, 0-9
- *   (Does not respect the special case for number registers when delete
- *    operator is made with these commands: %, (, ),  , /, ?, n, N, {, } )
- *   TODO: Implement the remaining registers.
- *
- * Marks: a-z, A-Z, and 0-9
- *   TODO: Implement the remaining special marks. They have more complex
- *       behavior.
- *
- * Events:
- *  'vim-mode-change' - raised on the editor anytime the current mode changes,
- *                      Event object: {mode: "visual", subMode: "linewise"}
- *
- * Code structure:
- *  1. Default keymap
- *  2. Variable declarations and short basic helpers
- *  3. Instance (External API) implementation
- *  4. Internal state tracking objects (input state, counter) implementation
- *     and instantiation
- *  5. Key handler (the main command dispatcher) implementation
- *  6. Motion, operator, and action implementations
- *  7. Helper functions for the key handler, motions, operators, and actions
- *  8. Set up Vim to work as a keymap for CodeMirror.
- *  9. Ex command implementations.
- */
-
-/**
- * @typedef { import("./cm_adapter").CodeMirror } CodeMirror
- * @typedef { import("./types").CodeMirrorV} CodeMirrorV
- * @typedef { import("./types").Pos } Pos
- * @typedef { import("./types").CM5Range } CM5Range
- * @typedef { import("./types").vimState } vimState
- * @typedef { import("./types").ExFn } ExFn
- * @typedef { import("./types").MotionArgs } MotionArgs
- * @typedef { import("./types").ActionArgs } ActionArgs
- * @typedef { import("./types").OperatorArgs } OperatorArgs
- * @typedef { import("./types").vimKey } vimKey
- * @typedef { import("./types").InputStateInterface } InputStateInterface
- */
-
-/** @arg {typeof import("./cm_adapter").CodeMirror} CodeMirror */
-export function initVim(CodeMirror) {
-
-  var Pos = CodeMirror.Pos;
-
-  /** @arg {CodeMirror} cm @arg {Pos} curStart @arg {Pos} curEnd */
-  function updateSelectionForSurrogateCharacters(cm, curStart, curEnd) {
-    // start and character position when no selection
-    // is the same in visual mode, and differs in 1 character in normal mode
-    if (curStart.line === curEnd.line && curStart.ch >= curEnd.ch - 1) {
-      var text = cm.getLine(curStart.line);
-      var charCode = text.charCodeAt(curStart.ch);
-      if (0xD800 <= charCode && charCode <= 0xD8FF) {
-        curEnd.ch += 1;
-      }
-    }
-
-    return {start: curStart, end: curEnd};
-  }
-  /** @type {import("./types").vimKeyMap} */
-  var defaultKeymap = [
-    // Key to key mapping. This goes first to make it possible to override
-    // existing mappings.
-    { keys: '<Left>', type: 'keyToKey', toKeys: 'h' },
-    { keys: '<Right>', type: 'keyToKey', toKeys: 'l' },
-    { keys: '<Up>', type: 'keyToKey', toKeys: 'k' },
-    { keys: '<Down>', type: 'keyToKey', toKeys: 'j' },
-    { keys: 'g<Up>', type: 'keyToKey', toKeys: 'gk' },
-    { keys: 'g<Down>', type: 'keyToKey', toKeys: 'gj' },
-    { keys: '<Space>', type: 'keyToKey', toKeys: 'l' },
-    { keys: '<BS>', type: 'keyToKey', toKeys: 'h'},
-    { keys: '<Del>', type: 'keyToKey', toKeys: 'x' },
-    { keys: '<C-Space>', type: 'keyToKey', toKeys: 'W' },
-    { keys: '<C-BS>', type: 'keyToKey', toKeys: 'B' },
-    { keys: '<S-Space>', type: 'keyToKey', toKeys: 'w' },
-    { keys: '<S-BS>', type: 'keyToKey', toKeys: 'b' },
-    { keys: '<C-n>', type: 'keyToKey', toKeys: 'j' },
-    { keys: '<C-p>', type: 'keyToKey', toKeys: 'k' },
-    { keys: '<C-[>', type: 'keyToKey', toKeys: '<Esc>' },
-    { keys: '<C-c>', type: 'keyToKey', toKeys: '<Esc>' },
-    { keys: '<C-[>', type: 'keyToKey', toKeys: '<Esc>', context: 'insert' },
-    { keys: '<C-c>', type: 'keyToKey', toKeys: '<Esc>', context: 'insert' },
-    { keys: '<C-Esc>', type: 'keyToKey', toKeys: '<Esc>' }, // ipad keyboard sends C-Esc instead of C-[
-    { keys: '<C-Esc>', type: 'keyToKey', toKeys: '<Esc>', context: 'insert' },
-    { keys: 's', type: 'keyToKey', toKeys: 'cl', context: 'normal' },
-    { keys: 's', type: 'keyToKey', toKeys: 'c', context: 'visual'},
-    { keys: 'S', type: 'keyToKey', toKeys: 'cc', context: 'normal' },
-    { keys: 'S', type: 'keyToKey', toKeys: 'VdO', context: 'visual' },
-    { keys: '<Home>', type: 'keyToKey', toKeys: '0' },
-    { keys: '<End>', type: 'keyToKey', toKeys: '$' },
-    { keys: '<PageUp>', type: 'keyToKey', toKeys: '<C-b>' },
-    { keys: '<PageDown>', type: 'keyToKey', toKeys: '<C-f>' },
-    { keys: '<CR>', type: 'keyToKey', toKeys: 'j^', context: 'normal' },
-    { keys: '<Ins>', type: 'keyToKey', toKeys: 'i', context: 'normal'},
-    { keys: '<Ins>', type: 'action', action: 'toggleOverwrite', context: 'insert' },
-    // Motions
-    { keys: 'H', type: 'motion', motion: 'moveToTopLine', motionArgs: { linewise: true, toJumplist: true }},
-    { keys: 'M', type: 'motion', motion: 'moveToMiddleLine', motionArgs: { linewise: true, toJumplist: true }},
-    { keys: 'L', type: 'motion', motion: 'moveToBottomLine', motionArgs: { linewise: true, toJumplist: true }},
-    { keys: 'h', type: 'motion', motion: 'moveByCharacters', motionArgs: { forward: false }},
-    { keys: 'l', type: 'motion', motion: 'moveByCharacters', motionArgs: { forward: true }},
-    { keys: 'j', type: 'motion', motion: 'moveByLines', motionArgs: { forward: true, linewise: true }},
-    { keys: 'k', type: 'motion', motion: 'moveByLines', motionArgs: { forward: false, linewise: true }},
-    { keys: 'gj', type: 'motion', motion: 'moveByDisplayLines', motionArgs: { forward: true }},
-    { keys: 'gk', type: 'motion', motion: 'moveByDisplayLines', motionArgs: { forward: false }},
-    { keys: 'w', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: false }},
-    { keys: 'W', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: false, bigWord: true }},
-    { keys: 'e', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: true, inclusive: true }},
-    { keys: 'E', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: true, bigWord: true, inclusive: true }},
-    { keys: 'b', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: false }},
-    { keys: 'B', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: false, bigWord: true }},
-    { keys: 'ge', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: true, inclusive: true }},
-    { keys: 'gE', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: true, bigWord: true, inclusive: true }},
-    { keys: '{', type: 'motion', motion: 'moveByParagraph', motionArgs: { forward: false, toJumplist: true }},
-    { keys: '}', type: 'motion', motion: 'moveByParagraph', motionArgs: { forward: true, toJumplist: true }},
-    { keys: '(', type: 'motion', motion: 'moveBySentence', motionArgs: { forward: false }},
-    { keys: ')', type: 'motion', motion: 'moveBySentence', motionArgs: { forward: true }},
-    { keys: '<C-f>', type: 'motion', motion: 'moveByPage', motionArgs: { forward: true }},
-    { keys: '<C-b>', type: 'motion', motion: 'moveByPage', motionArgs: { forward: false }},
-    { keys: '<C-d>', type: 'motion', motion: 'moveByScroll', motionArgs: { forward: true, explicitRepeat: true }},
-    { keys: '<C-u>', type: 'motion', motion: 'moveByScroll', motionArgs: { forward: false, explicitRepeat: true }},
-    { keys: 'gg', type: 'motion', motion: 'moveToLineOrEdgeOfDocument', motionArgs: { forward: false, explicitRepeat: true, linewise: true, toJumplist: true }},
-    { keys: 'G', type: 'motion', motion: 'moveToLineOrEdgeOfDocument', motionArgs: { forward: true, explicitRepeat: true, linewise: true, toJumplist: true }},
-    {keys: "g$", type: "motion", motion: "moveToEndOfDisplayLine"},
-    {keys: "g^", type: "motion", motion: "moveToStartOfDisplayLine"},
-    {keys: "g0", type: "motion", motion: "moveToStartOfDisplayLine"},
-    { keys: '0', type: 'motion', motion: 'moveToStartOfLine' },
-    { keys: '^', type: 'motion', motion: 'moveToFirstNonWhiteSpaceCharacter' },
-    { keys: '+', type: 'motion', motion: 'moveByLines', motionArgs: { forward: true, toFirstChar:true }},
-    { keys: '-', type: 'motion', motion: 'moveByLines', motionArgs: { forward: false, toFirstChar:true }},
-    { keys: '_', type: 'motion', motion: 'moveByLines', motionArgs: { forward: true, toFirstChar:true, repeatOffset:-1 }},
-    { keys: '$', type: 'motion', motion: 'moveToEol', motionArgs: { inclusive: true }},
-    { keys: '%', type: 'motion', motion: 'moveToMatchedSymbol', motionArgs: { inclusive: true, toJumplist: true }},
-    { keys: 'f<character>', type: 'motion', motion: 'moveToCharacter', motionArgs: { forward: true , inclusive: true }},
-    { keys: 'F<character>', type: 'motion', motion: 'moveToCharacter', motionArgs: { forward: false }},
-    { keys: 't<character>', type: 'motion', motion: 'moveTillCharacter', motionArgs: { forward: true, inclusive: true }},
-    { keys: 'T<character>', type: 'motion', motion: 'moveTillCharacter', motionArgs: { forward: false }},
-    { keys: ';', type: 'motion', motion: 'repeatLastCharacterSearch', motionArgs: { forward: true }},
-    { keys: ',', type: 'motion', motion: 'repeatLastCharacterSearch', motionArgs: { forward: false }},
-    { keys: '\'<register>', type: 'motion', motion: 'goToMark', motionArgs: {toJumplist: true, linewise: true}},
-    { keys: '`<register>', type: 'motion', motion: 'goToMark', motionArgs: {toJumplist: true}},
-    { keys: ']`', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: true } },
-    { keys: '[`', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: false } },
-    { keys: ']\'', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: true, linewise: true } },
-    { keys: '[\'', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: false, linewise: true } },
-    // the next two aren't motions but must come before more general motion declarations
-    { keys: ']p', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: true, isEdit: true, matchIndent: true}},
-    { keys: '[p', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: false, isEdit: true, matchIndent: true}},
-    { keys: ']<character>', type: 'motion', motion: 'moveToSymbol', motionArgs: { forward: true, toJumplist: true}},
-    { keys: '[<character>', type: 'motion', motion: 'moveToSymbol', motionArgs: { forward: false, toJumplist: true}},
-    { keys: '|', type: 'motion', motion: 'moveToColumn'},
-    { keys: 'o', type: 'motion', motion: 'moveToOtherHighlightedEnd', context:'visual'},
-    { keys: 'O', type: 'motion', motion: 'moveToOtherHighlightedEnd', motionArgs: {sameLine: true}, context:'visual'},
-    // Operators
-    { keys: 'd', type: 'operator', operator: 'delete' },
-    { keys: 'y', type: 'operator', operator: 'yank' },
-    { keys: 'c', type: 'operator', operator: 'change' },
-    { keys: '=', type: 'operator', operator: 'indentAuto' },
-    { keys: '>', type: 'operator', operator: 'indent', operatorArgs: { indentRight: true }},
-    { keys: '<', type: 'operator', operator: 'indent', operatorArgs: { indentRight: false }},
-    { keys: 'g~', type: 'operator', operator: 'changeCase' },
-    { keys: 'gu', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: true}, isEdit: true },
-    { keys: 'gU', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: false}, isEdit: true },
-    { keys: 'n', type: 'motion', motion: 'findNext', motionArgs: { forward: true, toJumplist: true }},
-    { keys: 'N', type: 'motion', motion: 'findNext', motionArgs: { forward: false, toJumplist: true }},
-    { keys: 'gn', type: 'motion', motion: 'findAndSelectNextInclusive', motionArgs: { forward: true }},
-    { keys: 'gN', type: 'motion', motion: 'findAndSelectNextInclusive', motionArgs: { forward: false }},
-    { keys: 'gq', type: 'operator', operator: 'hardWrap' },
-    { keys: 'gw', type: 'operator', operator: 'hardWrap', operatorArgs: {keepCursor: true}},
-    // Operator-Motion dual commands
-    { keys: 'x', type: 'operatorMotion', operator: 'delete', motion: 'moveByCharacters', motionArgs: { forward: true }, operatorMotionArgs: { visualLine: false }},
-    { keys: 'X', type: 'operatorMotion', operator: 'delete', motion: 'moveByCharacters', motionArgs: { forward: false }, operatorMotionArgs: { visualLine: true }},
-    { keys: 'D', type: 'operatorMotion', operator: 'delete', motion: 'moveToEol', motionArgs: { inclusive: true }, context: 'normal'},
-    { keys: 'D', type: 'operator', operator: 'delete', operatorArgs: { linewise: true }, context: 'visual'},
-    { keys: 'Y', type: 'operatorMotion', operator: 'yank', motion: 'expandToLine', motionArgs: { linewise: true }, context: 'normal'},
-    { keys: 'Y', type: 'operator', operator: 'yank', operatorArgs: { linewise: true }, context: 'visual'},
-    { keys: 'C', type: 'operatorMotion', operator: 'change', motion: 'moveToEol', motionArgs: { inclusive: true }, context: 'normal'},
-    { keys: 'C', type: 'operator', operator: 'change', operatorArgs: { linewise: true }, context: 'visual'},
-    { keys: '~', type: 'operatorMotion', operator: 'changeCase', motion: 'moveByCharacters', motionArgs: { forward: true }, operatorArgs: { shouldMoveCursor: true }, context: 'normal'},
-    { keys: '~', type: 'operator', operator: 'changeCase', context: 'visual'},
-    { keys: '<C-u>', type: 'operatorMotion', operator: 'delete', motion: 'moveToStartOfLine', context: 'insert' },
-    { keys: '<C-w>', type: 'operatorMotion', operator: 'delete', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: false }, context: 'insert' },
-    //ignore C-w in normal mode
-    { keys: '<C-w>', type: 'idle', context: 'normal' },
-    // Actions
-    { keys: '<C-i>', type: 'action', action: 'jumpListWalk', actionArgs: { forward: true }},
-    { keys: '<C-o>', type: 'action', action: 'jumpListWalk', actionArgs: { forward: false }},
-    { keys: '<C-e>', type: 'action', action: 'scroll', actionArgs: { forward: true, linewise: true }},
-    { keys: '<C-y>', type: 'action', action: 'scroll', actionArgs: { forward: false, linewise: true }},
-    { keys: 'a', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'charAfter' }, context: 'normal' },
-    { keys: 'A', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'eol' }, context: 'normal' },
-    { keys: 'A', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'endOfSelectedArea' }, context: 'visual' },
-    { keys: 'i', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'inplace' }, context: 'normal' },
-    { keys: 'gi', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'lastEdit' }, context: 'normal' },
-    { keys: 'I', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'firstNonBlank'}, context: 'normal' },
-    { keys: 'gI', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'bol'}, context: 'normal' },
-    { keys: 'I', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'startOfSelectedArea' }, context: 'visual' },
-    { keys: 'o', type: 'action', action: 'newLineAndEnterInsertMode', isEdit: true, interlaceInsertRepeat: true, actionArgs: { after: true }, context: 'normal' },
-    { keys: 'O', type: 'action', action: 'newLineAndEnterInsertMode', isEdit: true, interlaceInsertRepeat: true, actionArgs: { after: false }, context: 'normal' },
-    { keys: 'v', type: 'action', action: 'toggleVisualMode' },
-    { keys: 'V', type: 'action', action: 'toggleVisualMode', actionArgs: { linewise: true }},
-    { keys: '<C-v>', type: 'action', action: 'toggleVisualMode', actionArgs: { blockwise: true }},
-    { keys: '<C-q>', type: 'action', action: 'toggleVisualMode', actionArgs: { blockwise: true }},
-    { keys: 'gv', type: 'action', action: 'reselectLastSelection' },
-    { keys: 'J', type: 'action', action: 'joinLines', isEdit: true },
-    { keys: 'gJ', type: 'action', action: 'joinLines', actionArgs: { keepSpaces: true }, isEdit: true },
-    { keys: 'p', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: true, isEdit: true }},
-    { keys: 'P', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: false, isEdit: true }},
-    { keys: 'r<character>', type: 'action', action: 'replace', isEdit: true },
-    { keys: '@<register>', type: 'action', action: 'replayMacro' },
-    { keys: 'q<register>', type: 'action', action: 'enterMacroRecordMode' },
-    // Handle Replace-mode as a special case of insert mode.
-    { keys: 'R', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { replace: true }, context: 'normal'},
-    { keys: 'R', type: 'operator', operator: 'change', operatorArgs: { linewise: true, fullLine: true }, context: 'visual', exitVisualBlock: true},
-    { keys: 'u', type: 'action', action: 'undo', context: 'normal' },
-    { keys: 'u', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: true}, context: 'visual', isEdit: true },
-    { keys: 'U', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: false}, context: 'visual', isEdit: true },
-    { keys: '<C-r>', type: 'action', action: 'redo' },
-    { keys: 'm<register>', type: 'action', action: 'setMark' },
-    { keys: '"<register>', type: 'action', action: 'setRegister' },
-    { keys: '<C-r><register>', type: 'action', action: 'insertRegister', context: 'insert', isEdit: true },
-    { keys: '<C-o>', type: 'action', action: 'oneNormalCommand', context: 'insert' },
-    { keys: 'zz', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'center' }},
-    { keys: 'z.', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'center' }, motion: 'moveToFirstNonWhiteSpaceCharacter' },
-    { keys: 'zt', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'top' }},
-    { keys: 'z<CR>', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'top' }, motion: 'moveToFirstNonWhiteSpaceCharacter' },
-    { keys: 'zb', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'bottom' }},
-    { keys: 'z-', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'bottom' }, motion: 'moveToFirstNonWhiteSpaceCharacter' },
-    { keys: '.', type: 'action', action: 'repeatLastEdit' },
-    { keys: '<C-a>', type: 'action', action: 'incrementNumberToken', isEdit: true, actionArgs: {increase: true, backtrack: false}},
-    { keys: '<C-x>', type: 'action', action: 'incrementNumberToken', isEdit: true, actionArgs: {increase: false, backtrack: false}},
-    { keys: '<C-t>', type: 'action', action: 'indent', actionArgs: { indentRight: true }, context: 'insert' },
-    { keys: '<C-d>', type: 'action', action: 'indent', actionArgs: { indentRight: false }, context: 'insert' },
-    // Text object motions
-    { keys: 'a<register>', type: 'motion', motion: 'textObjectManipulation' },
-    { keys: 'i<register>', type: 'motion', motion: 'textObjectManipulation', motionArgs: { textObjectInner: true }},
-    // Search
-    { keys: '/', type: 'search', searchArgs: { forward: true, querySrc: 'prompt', toJumplist: true }},
-    { keys: '?', type: 'search', searchArgs: { forward: false, querySrc: 'prompt', toJumplist: true }},
-    { keys: '*', type: 'search', searchArgs: { forward: true, querySrc: 'wordUnderCursor', wholeWordOnly: true, toJumplist: true }},
-    { keys: '#', type: 'search', searchArgs: { forward: false, querySrc: 'wordUnderCursor', wholeWordOnly: true, toJumplist: true }},
-    { keys: 'g*', type: 'search', searchArgs: { forward: true, querySrc: 'wordUnderCursor', toJumplist: true }},
-    { keys: 'g#', type: 'search', searchArgs: { forward: false, querySrc: 'wordUnderCursor', toJumplist: true }},
-    // Ex command
-    { keys: ':', type: 'ex' }
-  ];
-  var defaultKeymapLength = defaultKeymap.length;
-
-  /**
-   * Ex commands
-   * Care must be taken when adding to the default Ex command map. For any
-   * pair of commands that have a shared prefix, at least one of their
-   * shortNames must not match the prefix of the other command.
-   */
-  var defaultExCommandMap = [
-    { name: 'colorscheme', shortName: 'colo' },
-    { name: 'map' },
-    { name: 'imap', shortName: 'im' },
-    { name: 'nmap', shortName: 'nm' },
-    { name: 'vmap', shortName: 'vm' },
-    { name: 'omap', shortName: 'om' },
-    { name: 'noremap', shortName: 'no' },
-    { name: 'nnoremap', shortName: 'nn' },
-    { name: 'vnoremap', shortName: 'vn' },
-    { name: 'inoremap', shortName: 'ino' },
-    { name: 'onoremap', shortName: 'ono' },
-    { name: 'unmap' },
-    { name: 'mapclear', shortName: 'mapc' },
-    { name: 'nmapclear', shortName: 'nmapc' },
-    { name: 'vmapclear', shortName: 'vmapc' },
-    { name: 'imapclear', shortName: 'imapc' },
-    { name: 'omapclear', shortName: 'omapc' },
-    { name: 'write', shortName: 'w' },
-    { name: 'undo', shortName: 'u' },
-    { name: 'redo', shortName: 'red' },
-    { name: 'set', shortName: 'se' },
-    { name: 'setlocal', shortName: 'setl' },
-    { name: 'setglobal', shortName: 'setg' },
-    { name: 'sort', shortName: 'sor' },
-    { name: 'substitute', shortName: 's', possiblyAsync: true },
-    { name: 'startinsert', shortName: 'start' },
-    { name: 'nohlsearch', shortName: 'noh' },
-    { name: 'yank', shortName: 'y' },
-    { name: 'delmarks', shortName: 'delm' },
-    { name: 'registers', shortName: 'reg', excludeFromCommandHistory: true },
-    { name: 'vglobal', shortName: 'v' },
-    { name: 'delete', shortName: 'd' },
-    { name: 'join', shortName: 'j' },
-    { name: 'normal', shortName: 'norm' },
-    { name: 'global', shortName: 'g' }
-  ];
-
-  /**
-   * Langmap
-   * Determines how to interpret keystrokes in Normal and Visual mode.
-   * Useful for people who use a different keyboard layout than QWERTY
-   */
-  var langmap = parseLangmap('');
-
-  /** @arg {CodeMirror} cm */
-  function enterVimMode(cm) {
-    cm.setOption('disableInput', true);
-    cm.setOption('showCursorWhenSelecting', false);
-    CodeMirror.signal(cm, "vim-mode-change", {mode: "normal"});
-    cm.on('cursorActivity', onCursorActivity);
-    maybeInitVimState(cm);
-    // @ts-ignore
-    CodeMirror.on(cm.getInputField(), 'paste', getOnPasteFn(cm));
-  }
-
-  /** @arg {CodeMirror} cm */
-  function leaveVimMode(cm) {
-    cm.setOption('disableInput', false);
-    cm.off('cursorActivity', onCursorActivity);
-    // @ts-ignore
-    CodeMirror.off(cm.getInputField(), 'paste', getOnPasteFn(cm));
-    cm.state.vim = null;
-    if (highlightTimeout) clearTimeout(highlightTimeout);
-  }
-
-  /** @arg {CodeMirrorV} cm */
-  function getOnPasteFn(cm) {
-    var vim = cm.state.vim;
-    if (!vim.onPasteFn) {
-      vim.onPasteFn = function() {
-        if (!vim.insertMode) {
-          cm.setCursor(offsetCursor(cm.getCursor(), 0, 1));
-          actions.enterInsertMode(cm, {}, vim);
-        }
-      };
-    }
-    return vim.onPasteFn;
-  }
-
-  var numberRegex = /[\d]/;
-  var wordCharTest = [CodeMirror.isWordChar, function(ch) {
-    return ch && !CodeMirror.isWordChar(ch) && !/\s/.test(ch);
-  }], bigWordCharTest = [function(ch) {
-    return /\S/.test(ch);
-  }];
-  var validMarks = ['<', '>'];
-  var validRegisters = ['-', '"', '.', ':', '_', '/', '+'];
-  var latinCharRegex = /^\w$/
-  var upperCaseChars;
-  try { upperCaseChars = new RegExp("^[\\p{Lu}]$", "u"); }
-  catch (_) { upperCaseChars = /^[A-Z]$/; }
-
-  /** @arg {CodeMirror} cm @arg {number} line */
-  function isLine(cm, line) {
-    return line >= cm.firstLine() && line <= cm.lastLine();
-  }
-  /** @arg {string} k */
-  function isLowerCase(k) {
-    return (/^[a-z]$/).test(k);
-  }
-  /** @arg {string} k */
-  function isMatchableSymbol(k) {
-    return '()[]{}'.indexOf(k) != -1;
-  }
-  /** @arg {string} k */
-  function isNumber(k) {
-    return numberRegex.test(k);
-  }
-  /** @arg {string} k */
-  function isUpperCase(k) {
-    return upperCaseChars.test(k);
-  }
-  /** @arg {string} k */
-  function isWhiteSpaceString(k) {
-    return (/^\s*$/).test(k);
-  }
-  /** @arg {string} k */
-  function isEndOfSentenceSymbol(k) {
-    return '.?!'.indexOf(k) != -1;
-  }
-  /** @arg {any} val @arg {string | any[]} arr */
-  function inArray(val, arr) {
-    for (var i = 0; i < arr.length; i++) {
-      if (arr[i] == val) {
-        return true;
-      }
-    }
-    return false;
-  }
-
-
-  /** @typedef {import("./types").optionCallback} optionCallback */
-  /** @typedef {import("./types").vimOption} vimOption */
-  /** @type {Object<string, vimOption>} */
-  var options = {};
-  /**
-   * @arg {string} name
-   * @arg {any} defaultValue
-   * @arg {string} type
-   * @arg {string[] } [aliases]
-   * @arg {optionCallback} [callback]
-   * */
-  function defineOption(name, defaultValue, type, aliases, callback) {
-    if (defaultValue === undefined && !callback) {
-      throw Error('defaultValue is required unless callback is provided');
-    }
-    if (!type) { type = 'string'; }
-    options[name] = {
-      type: type,
-      defaultValue: defaultValue,
-      callback: callback
-    };
-    if (aliases) {
-      for (var i = 0; i < aliases.length; i++) {
-        options[aliases[i]] = options[name];
-      }
-    }
-    if (defaultValue) {
-      setOption(name, defaultValue);
-    }
-  }
-
-  /**
-   * @arg {string} name
-   * @arg {any} value
-   * @arg {CodeMirrorV} [cm]
-   * @arg {{ scope?: any; } | undefined} [cfg] */
-  function setOption(name, value, cm, cfg) {
-    var option = options[name];
-    cfg = cfg || {};
-    var scope = cfg.scope;
-    if (!option) {
-      return new Error('Unknown option: ' + name);
-    }
-    if (option.type == 'boolean') {
-      if (value && value !== true) {
-        return new Error('Invalid argument: ' + name + '=' + value);
-      } else if (value !== false) {
-        // Boolean options are set to true if value is not defined.
-        value = true;
-      }
-    }
-    if (option.callback) {
-      if (scope !== 'local') {
-        option.callback(value, undefined);
-      }
-      if (scope !== 'global' && cm) {
-        option.callback(value, cm);
-      }
-    } else {
-      if (scope !== 'local') {
-        option.value = option.type == 'boolean' ? !!value : value;
-      }
-      if (scope !== 'global' && cm) {
-        cm.state.vim.options[name] = {value: value};
-      }
-    }
-  }
-
-  /**
-   * @arg {string} name
-   * @arg {CodeMirrorV} [cm]
-   * @arg {{ scope?: any; } | undefined} [cfg] */
-  function getOption(name, cm, cfg) {
-    var option = options[name];
-    cfg = cfg || {};
-    var scope = cfg.scope;
-    if (!option) {
-      return new Error('Unknown option: ' + name);
-    }
-    if (option.callback) {
-      let local = cm && option.callback(undefined, cm);
-      if (scope !== 'global' && local !== undefined) {
-        return local;
-      }
-      if (scope !== 'local') {
-        return option.callback();
-      }
-      return;
-    } else {
-      let local = (scope !== 'global') && (cm && cm.state.vim.options[name]);
-      return (local || (scope !== 'local') && option || {}).value;
-    }
-  }
-  /** @arg {string|undefined} name @arg {CodeMirrorV} [cm] */
-  defineOption('filetype', undefined, 'string', ['ft'], function(name, cm) {
-    // Option is local. Do nothing for global.
-    if (cm === undefined) {
-      return;
-    }
-    // The 'filetype' option proxies to the CodeMirror 'mode' option.
-    if (name === undefined) {
-      let mode = cm.getOption('mode');
-      return mode == 'null' ? '' : mode;
-    } else {
-      let mode = name == '' ? 'null' : name;
-      cm.setOption('mode', mode);
-    }
-  });
-  defineOption('textwidth', 80, 'number', ['tw'], function(width, cm) {
-    // Option is local. Do nothing for global.
-    if (cm === undefined) {
-      return;
-    }
-    // The 'filetype' option proxies to the CodeMirror 'mode' option.
-    if (width === undefined) {
-      var value = cm.getOption('textwidth');
-      return value;
-    } else {
-      var column = Math.round(/**@type {any}*/(width));
-      if (column > 1) {
-        cm.setOption('textwidth', column);
-      }
-    }
-  });
-
-  var createCircularJumpList = function() {
-    var size = 100;
-    var pointer = -1;
-    var head = 0;
-    var tail = 0;
-    var buffer = new Array(size);
-    /** @arg {CodeMirror} cm  @arg {any} oldCur @arg {any} newCur */
-    function add(cm, oldCur, newCur) {
-      var current = pointer % size;
-      var curMark = buffer[current];
-      /** @arg {Pos} cursor */
-      function useNextSlot(cursor) {
-        var next = ++pointer % size;
-        var trashMark = buffer[next];
-        if (trashMark) {
-          trashMark.clear();
-        }
-        buffer[next] = cm.setBookmark(cursor);
-      }
-      if (curMark) {
-        var markPos = curMark.find();
-        // avoid recording redundant cursor position
-        if (markPos && !cursorEqual(markPos, oldCur)) {
-          useNextSlot(oldCur);
-        }
-      } else {
-        useNextSlot(oldCur);
-      }
-      useNextSlot(newCur);
-      head = pointer;
-      tail = pointer - size + 1;
-      if (tail < 0) {
-        tail = 0;
-      }
-    }
-    /** @arg {CodeMirror} cm  @arg {number} offset */
-    function move(cm, offset) {
-      pointer += offset;
-      if (pointer > head) {
-        pointer = head;
-      } else if (pointer < tail) {
-        pointer = tail;
-      }
-      var mark = buffer[(size + pointer) % size];
-      // skip marks that are temporarily removed from text buffer
-      if (mark && !mark.find()) {
-        var inc = offset > 0 ? 1 : -1;
-        var newCur;
-        var oldCur = cm.getCursor();
-        do {
-          pointer += inc;
-          mark = buffer[(size + pointer) % size];
-          // skip marks that are the same as current position
-          if (mark &&
-              (newCur = mark.find()) &&
-              !cursorEqual(oldCur, newCur)) {
-            break;
-          }
-        } while (pointer < head && pointer > tail);
-      }
-      return mark;
-    }
-    /** @arg {CodeMirror} cm @arg {number} offset */
-    function find(cm, offset) {
-      var oldPointer = pointer;
-      var mark = move(cm, offset);
-      pointer = oldPointer;
-      return mark && mark.find();
-    }
-    return {
-      cachedCursor: undefined, //used for # and * jumps
-      add: add,
-      find: find,
-      move: move
-    };
-  };
-
-  /**
-   * Returns an object to track the changes associated insert mode.  It
-   * clones the object that is passed in, or creates an empty object one if
-   * none is provided.
-   * @arg {import("./types").InsertModeChanges | undefined} [c]
-   * @returns {import("./types").InsertModeChanges}
-   */
-  var createInsertModeChanges = function(c) {
-    if (c) {
-      // Copy construction
-      return {
-        changes: c.changes,
-        expectCursorActivityForChange: c.expectCursorActivityForChange
-      };
-    }
-    return {
-      // Change list
-      changes: [],
-      // Set to true on change, false on cursorActivity.
-      expectCursorActivityForChange: false
-    };
-  };
-
-  class MacroModeState {
-    constructor() {
-      this.latestRegister = undefined;
-      this.isPlaying = false;
-      this.isRecording = false;
-      this.replaySearchQueries = [];
-      this.onRecordingDone = undefined;
-      this.lastInsertModeChanges = createInsertModeChanges();
-    }
-    exitMacroRecordMode() {
-      var macroModeState = vimGlobalState.macroModeState;
-      if (macroModeState.onRecordingDone) {
-        macroModeState.onRecordingDone(); // close dialog
-      }
-      macroModeState.onRecordingDone = undefined;
-      macroModeState.isRecording = false;
-    }
-    enterMacroRecordMode(cm, registerName) {
-      var register = vimGlobalState.registerController.getRegister(registerName);
-      if (register) {
-        register.clear();
-        this.latestRegister = registerName;
-        if (cm.openDialog) {
-          var template = dom('span', {class: 'cm-vim-message'}, 'recording @' + registerName);
-          this.onRecordingDone = cm.openDialog(template, null, {bottom:true});
-        }
-        this.isRecording = true;
-      }
-    }
-  }
-  /**
-   * @arg Codemirror
-   * @return {vimState}
-   */
-  function maybeInitVimState(cm) {
-    if (!cm.state.vim) {
-      // Store instance state in the CodeMirror object.
-      cm.state.vim = {
-        inputState: new InputState(),
-        // Vim's input state that triggered the last edit, used to repeat
-        // motions and operators with '.'.
-        lastEditInputState: undefined,
-        // Vim's action command before the last edit, used to repeat actions
-        // with '.' and insert mode repeat.
-        lastEditActionCommand: undefined,
-        // When using jk for navigation, if you move from a longer line to a
-        // shorter line, the cursor may clip to the end of the shorter line.
-        // If j is pressed again and cursor goes to the next line, the
-        // cursor should go back to its horizontal position on the longer
-        // line if it can. This is to keep track of the horizontal position.
-        lastHPos: -1,
-        // Doing the same with screen-position for gj/gk
-        lastHSPos: -1,
-        // The last motion command run. Cleared if a non-motion command gets
-        // executed in between.
-        lastMotion: null,
-        marks: {},
-        insertMode: false,
-        insertModeReturn: false,
-        // Repeat count for changes made in insert mode, triggered by key
-        // sequences like 3,i. Only exists when insertMode is true.
-        insertModeRepeat: undefined,
-        visualMode: false,
-        // If we are in visual line mode. No effect if visualMode is false.
-        visualLine: false,
-        visualBlock: false,
-        lastSelection: null,
-        lastPastedText: null,
-        sel: {},
-        // Buffer-local/window-local values of vim options.
-        options: {},
-        // Whether the next character should be interpreted literally
-        // Necassary for correct implementation of f<character>, r<character> etc.
-        // in terms of langmaps.
-        expectLiteralNext: false
-      };
-    }
-    return cm.state.vim;
-  }
-  /**
-   * @type {
-      {
-        macroModeState: MacroModeState;
-        registerController: RegisterController;
-        searchHistoryController: HistoryController;
-        jumpList: any;
-        exCommandHistoryController: HistoryController;
-        lastCharacterSearch: any;
-        query?: any;
-        isReversed?: any;
-        lastSubstituteReplacePart: any;
-        searchQuery?: null;
-        searchIsReversed?: boolean;
-      }
-    }
-  */
-  var vimGlobalState;
-  function resetVimGlobalState() {
-    vimGlobalState = {
-      // The current search query.
-      searchQuery: null,
-      // Whether we are searching backwards.
-      searchIsReversed: false,
-      // Replace part of the last substituted pattern
-      lastSubstituteReplacePart: undefined,
-      jumpList: createCircularJumpList(),
-      macroModeState: new MacroModeState(),
-      // Recording latest f, t, F or T motion command.
-      lastCharacterSearch: {increment:0, forward:true, selectedCharacter:''},
-      registerController: new RegisterController({}),
-      // search history buffer
-      searchHistoryController: new HistoryController(),
-      // ex Command history buffer
-      exCommandHistoryController : new HistoryController()
-    };
-    for (var optionName in options) {
-      var option = options[optionName];
-      option.value = option.defaultValue;
-    }
-  }
-
-  /** @type {number | undefined|false} */
-  var lastInsertModeKeyTimer;
-  var vimApi = {
-    enterVimMode: enterVimMode,
-    leaveVimMode: leaveVimMode,
-    buildKeyMap: function() {
-      // TODO: Convert keymap into dictionary format for fast lookup.
-    },
-    // Testing hook, though it might be useful to expose the register
-    // controller anyway.
-    getRegisterController: function() {
-      return vimGlobalState.registerController;
-    },
-    // Testing hook.
-    resetVimGlobalState_: resetVimGlobalState,
-
-    // Testing hook.
-    getVimGlobalState_: function() {
-      return vimGlobalState;
-    },
-
-    // Testing hook.
-    maybeInitVimState_: maybeInitVimState,
-
-    suppressErrorLogging: false,
-
-    InsertModeKey: InsertModeKey,
-    /**@type {(lhs: string, rhs: string, ctx: string) => void} */
-    map: function(lhs, rhs, ctx) {
-      // Add user defined key bindings.
-      exCommandDispatcher.map(lhs, rhs, ctx);
-    },
-    /**@type {(lhs: string, ctx: string) => any} */
-    unmap: function(lhs, ctx) {
-      return exCommandDispatcher.unmap(lhs, ctx);
-    },
-    // Non-recursive map function.
-    // NOTE: This will not create mappings to key maps that aren't present
-    // in the default key map. See TODO at bottom of function.
-    /**@type {(lhs: string, rhs: string, ctx: string) => void} */
-    noremap: function(lhs, rhs, ctx) {
-      exCommandDispatcher.map(lhs, rhs, ctx, true);
-    },
-    // Remove all user-defined mappings for the provided context.
-    /**@arg {string} [ctx]} */
-    mapclear: function(ctx) {
-      // Partition the existing keymap into user-defined and true defaults.
-      var actualLength = defaultKeymap.length,
-          origLength = defaultKeymapLength;
-      var userKeymap = defaultKeymap.slice(0, actualLength - origLength);
-      defaultKeymap = defaultKeymap.slice(actualLength - origLength);
-      if (ctx) {
-        // If a specific context is being cleared, we need to keep mappings
-        // from all other contexts.
-        for (var i = userKeymap.length - 1; i >= 0; i--) {
-          var mapping = userKeymap[i];
-          if (ctx !== mapping.context) {
-            if (mapping.context) {
-              this._mapCommand(mapping);
-            } else {
-              // `mapping` applies to all contexts so create keymap copies
-              // for each context except the one being cleared.
-              var contexts = ['normal', 'insert', 'visual'];
-              for (var j in contexts) {
-                if (contexts[j] !== ctx) {
-                  var newMapping = Object.assign({}, mapping);
-                  newMapping.context = contexts[j];
-                  this._mapCommand(newMapping);
-                }
-              }
-            }
-          }
-        }
-      }
-    },
-    langmap: updateLangmap,
-    vimKeyFromEvent: vimKeyFromEvent,
-    // TODO: Expose setOption and getOption as instance methods. Need to decide how to namespace
-    // them, or somehow make them work with the existing CodeMirror setOption/getOption API.
-    setOption: setOption,
-    getOption: getOption,
-    defineOption: defineOption,
-    /**@type {(name: string, prefix: string|undefined, func: ExFn) => void} */
-    defineEx: function(name, prefix, func){
-      if (!prefix) {
-        prefix = name;
-      } else if (name.indexOf(prefix) !== 0) {
-        throw new Error('(Vim.defineEx) "'+prefix+'" is not a prefix of "'+name+'", command not registered');
-      }
-      exCommands[name]=func;
-      exCommandDispatcher.commandMap_[prefix]={name:name, shortName:prefix, type:'api'};
-    },
-    /**@type {(cm: CodeMirror, key: string, origin: string) => undefined | boolean} */
-    handleKey: function (cm, key, origin) {
-      var command = this.findKey(cm, key, origin);
-      if (typeof command === 'function') {
-        return command();
-      }
-    },
-    multiSelectHandleKey: multiSelectHandleKey,
-
-    /**
-     * This is the outermost function called by CodeMirror, after keys have
-     * been mapped to their Vim equivalents.
-     *
-     * Finds a command based on the key (and cached keys if there is a
-     * multi-key sequence). Returns `undefined` if no key is matched, a noop
-     * function if a partial match is found (multi-key), and a function to
-     * execute the bound command if a a key is matched. The function always
-     * returns true.
-     */
-    /**@type {(cm_: CodeMirror, key: string, origin?: string| undefined) => (() => boolean) | undefined} */
-    findKey: function(cm_, key, origin) {
-      var vim = maybeInitVimState(cm_);
-      var cm = /**@type {CodeMirrorV}*/(cm_);
-
-      function handleMacroRecording() {
-        var macroModeState = vimGlobalState.macroModeState;
-        if (macroModeState.isRecording) {
-          if (key == 'q') {
-            macroModeState.exitMacroRecordMode();
-            clearInputState(cm);
-            return true;
-          }
-          if (origin != 'mapping') {
-            logKey(macroModeState, key);
-          }
-        }
-      }
-      function handleEsc() {
-        if (key == '<Esc>') {
-          if (vim.visualMode) {
-            // Get back to normal mode.
-            exitVisualMode(cm);
-          } else if (vim.insertMode) {
-            // Get back to normal mode.
-            exitInsertMode(cm);
-          } else {
-            // We're already in normal mode. Let '<Esc>' be handled normally.
-            return;
-          }
-          clearInputState(cm);
-          return true;
-        }
-      }
-
-      function handleKeyInsertMode() {
-        if (handleEsc()) { return true; }
-        vim.inputState.keyBuffer.push(key);
-        var keys = vim.inputState.keyBuffer.join("");
-        var keysAreChars = key.length == 1;
-        var match = commandDispatcher.matchCommand(keys, defaultKeymap, vim.inputState, 'insert');
-        var changeQueue = vim.inputState.changeQueue;
-
-        if (match.type == 'none') { clearInputState(cm); return false; }
-        else if (match.type == 'partial') {
-          if (match.expectLiteralNext) vim.expectLiteralNext = true;
-          if (lastInsertModeKeyTimer) { window.clearTimeout(lastInsertModeKeyTimer); }
-          lastInsertModeKeyTimer = keysAreChars && window.setTimeout(
-            function() { if (vim.insertMode && vim.inputState.keyBuffer.length) { clearInputState(cm); } },
-            getOption('insertModeEscKeysTimeout'));
-          if (keysAreChars) {
-            var selections = cm.listSelections();
-            if (!changeQueue || changeQueue.removed.length != selections.length)
-              changeQueue = vim.inputState.changeQueue = new ChangeQueue;
-            changeQueue.inserted += key;
-            for (var i = 0; i < selections.length; i++) {
-              var from = cursorMin(selections[i].anchor, selections[i].head);
-              var to = cursorMax(selections[i].anchor, selections[i].head);
-              var text = cm.getRange(from, cm.state.overwrite ? offsetCursor(to, 0, 1) : to);
-              changeQueue.removed[i] = (changeQueue.removed[i] || "") + text;
-            }
-          }
-          return !keysAreChars;
-        }
-        vim.expectLiteralNext = false;
-
-        if (lastInsertModeKeyTimer) { window.clearTimeout(lastInsertModeKeyTimer); }
-        if (match.command && changeQueue) {
-          var selections = cm.listSelections();
-          for (var i = 0; i < selections.length; i++) {
-            var here = selections[i].head;
-            cm.replaceRange(changeQueue.removed[i] || "",
-              offsetCursor(here, 0, -changeQueue.inserted.length), here, '+input');
-          }
-          vimGlobalState.macroModeState.lastInsertModeChanges.changes.pop();
-        }
-        if (!match.command) clearInputState(cm);
-        return match.command;
-      }
-
-      function handleKeyNonInsertMode() {
-        if (handleMacroRecording() || handleEsc()) { return true; }
-
-        vim.inputState.keyBuffer.push(key);
-        var keys = vim.inputState.keyBuffer.join("");
-        if (/^[1-9]\d*$/.test(keys)) { return true; }
-
-        var keysMatcher = /^(\d*)(.*)$/.exec(keys);
-        if (!keysMatcher) { clearInputState(cm); return false; }
-        var context = vim.visualMode ? 'visual' :
-                                        'normal';
-        var mainKey = keysMatcher[2] || keysMatcher[1];
-        if (vim.inputState.operatorShortcut && vim.inputState.operatorShortcut.slice(-1) == mainKey) {
-          // multikey operators act linewise by repeating only the last character
-          mainKey = vim.inputState.operatorShortcut;
-        }
-        var match = commandDispatcher.matchCommand(mainKey, defaultKeymap, vim.inputState, context);
-        if (match.type == 'none') { clearInputState(cm); return false; }
-        else if (match.type == 'partial') {
-          if (match.expectLiteralNext) vim.expectLiteralNext = true;
-          return true;
-        }
-        else if (match.type == 'clear') { clearInputState(cm); return true; }
-        vim.expectLiteralNext = false;
-
-        vim.inputState.keyBuffer.length = 0;
-        keysMatcher = /^(\d*)(.*)$/.exec(keys);
-        if (keysMatcher && keysMatcher[1] && keysMatcher[1] != '0') {
-          vim.inputState.pushRepeatDigit(keysMatcher[1]);
-        }
-        return match.command;
-      }
-
-      var command;
-      if (vim.insertMode) { command = handleKeyInsertMode(); }
-      else { command = handleKeyNonInsertMode(); }
-      if (command === false) {
-        return !vim.insertMode && key.length === 1 ? function() { return true; } : undefined;
-      } else if (command === true) {
-        // TODO: Look into using CodeMirror's multi-key handling.
-        // Return no-op since we are caching the key. Counts as handled, but
-        // don't want act on it just yet.
-        return function() { return true; };
-      } else {
-        return function() {
-          return cm.operation(function() {
-            // @ts-ignore
-            cm.curOp.isVimOp = true;
-            try {
-              if (command.type == 'keyToKey') {
-                doKeyToKey(cm, command.toKeys, command);
-              } else {
-                commandDispatcher.processCommand(cm, vim, command);
-              }
-            } catch (e) {
-              // clear VIM state in case it's in a bad state.
-              // @ts-ignore
-              cm.state.vim = undefined;
-              maybeInitVimState(cm);
-              if (!vimApi.suppressErrorLogging) {
-                console['log'](e);
-              }
-              throw e;
-            }
-            return true;
-          });
-        };
-      }
-    },
-    handleEx: function(cm, input) {
-      exCommandDispatcher.processCommand(cm, input);
-    },
-
-    defineMotion: defineMotion,
-    defineAction: defineAction,
-    defineOperator: defineOperator,
-    mapCommand: mapCommand,
-    _mapCommand: _mapCommand,
-
-    defineRegister: defineRegister,
-
-    exitVisualMode: exitVisualMode,
-    exitInsertMode: exitInsertMode
-  };
-
-  var keyToKeyStack = [];
-  var noremap = false;
-  var virtualPrompt;
-  function sendKeyToPrompt(key) {
-    if (key[0] == "<") {
-      var lowerKey = key.toLowerCase().slice(1, -1);
-      var parts = lowerKey.split('-');
-      lowerKey = parts.pop() || '';
-      if (lowerKey == 'lt') key = '<';
-      else if (lowerKey == 'space') key = ' ';
-      else if (lowerKey == 'cr') key = '\n';
-      else if (vimToCmKeyMap[lowerKey]) {
-        var value = virtualPrompt.value;
-        var event =  {
-          key: vimToCmKeyMap[lowerKey],
-          target: {
-            value: value,
-            selectionEnd: value.length,
-            selectionStart: value.length
-          }
-        }
-        if (virtualPrompt.onKeyDown) {
-          virtualPrompt.onKeyDown(event, virtualPrompt.value, close);
-        }
-        if (virtualPrompt && virtualPrompt.onKeyUp) {
-          virtualPrompt.onKeyUp(event, virtualPrompt.value, close);
-        }
-        return;
-      }
-    }
-    if (key == '\n') {
-      var prompt = virtualPrompt;
-      virtualPrompt = null;
-      prompt.onClose && prompt.onClose(prompt.value);
-    } else {
-      virtualPrompt.value = (virtualPrompt.value || '') + key;
-    }
-
-    function close(value) {
-      if (typeof value == 'string') { virtualPrompt.value = value; }
-      else { virtualPrompt = null; }
-    }
-  }
-  function doKeyToKey(cm, keys, fromKey) {
-    var noremapBefore = noremap;
-    // prevent infinite recursion.
-    if (fromKey) {
-      if (keyToKeyStack.indexOf(fromKey) != -1) return;
-      keyToKeyStack.push(fromKey);
-      noremap = fromKey.noremap != false;
-    }
-
-    try {
-      var vim = maybeInitVimState(cm);
-      var keyRe = /<(?:[CSMA]-)*\w+>|./gi;
-
-      var match;
-      // Pull off one command key, which is either a single character
-      // or a special sequence wrapped in '<' and '>', e.g. '<Space>'.
-      while ((match = keyRe.exec(keys))) {
-        var key = match[0];
-        var wasInsert = vim.insertMode;
-        if (virtualPrompt) {
-          sendKeyToPrompt(key);
-          continue;
-        }
-
-        var result = vimApi.handleKey(cm, key, 'mapping');
-
-        if (!result && wasInsert && vim.insertMode) {
-          if (key[0] == "<") {
-            var lowerKey = key.toLowerCase().slice(1, -1);
-            var parts = lowerKey.split('-');
-            lowerKey = parts.pop() || '';
-            if (lowerKey == 'lt') key = '<';
-            else if (lowerKey == 'space') key = ' ';
-            else if (lowerKey == 'cr') key = '\n';
-            else if (vimToCmKeyMap.hasOwnProperty(lowerKey)) {
-              // todo support codemirror keys in insertmode vimToCmKeyMap
-              key = vimToCmKeyMap[lowerKey];
-              sendCmKey(cm, key);
-              continue;
-            } else {
-              key = key[0];
-              keyRe.lastIndex = match.index + 1;
-            }
-          }
-          cm.replaceSelection(key);
-        }
-      }
-    } finally {
-      keyToKeyStack.pop();
-      noremap = keyToKeyStack.length ? noremapBefore : false;
-      if (!keyToKeyStack.length && virtualPrompt) {
-        var promptOptions = virtualPrompt;
-        virtualPrompt = null;
-        showPrompt(cm, promptOptions);
-      }
-    }
-  }
-
-  var specialKey = {
-    Return: 'CR', Backspace: 'BS', 'Delete': 'Del', Escape: 'Esc', Insert: 'Ins',
-    ArrowLeft: 'Left', ArrowRight: 'Right', ArrowUp: 'Up', ArrowDown: 'Down',
-    Enter: 'CR', ' ': 'Space'
-  };
-  var ignoredKeys = { Shift: 1, Alt: 1, Command: 1, Control: 1,
-    CapsLock: 1, AltGraph: 1, Dead: 1, Unidentified: 1 };
-
-  var vimToCmKeyMap = {};
-  'Left|Right|Up|Down|End|Home'.split('|').concat(Object.keys(specialKey)).forEach(function(x) {
-    vimToCmKeyMap[(specialKey[x] || '').toLowerCase()]
-        = vimToCmKeyMap[x.toLowerCase()] = x;
-  });
-
-  function vimKeyFromEvent(e, vim) {
-    var key = e.key;
-    if (ignoredKeys[key]) return;
-    if (key.length > 1 && key[0] == "n") {
-      key = key.replace("Numpad", "");
-    }
-    key = specialKey[key] || key;
-
-    var name = '';
-    if (e.ctrlKey) { name += 'C-'; }
-    if (e.altKey) { name += 'A-'; }
-    if (e.metaKey) { name += 'M-'; }
-    // on mac many characters are entered as option- combos
-    // (e.g. on swiss keyboard { is option-8)
-    // so we ignore lonely A- modifier for keypress event on mac
-    if (CodeMirror.isMac && e.altKey && !e.metaKey && !e.ctrlKey) {
-      name = name.slice(2);
-    }
-    if ((name || key.length > 1) && e.shiftKey) { name += 'S-'; }
-
-    if (vim && !vim.expectLiteralNext && key.length == 1) {
-      if (langmap.keymap && key in langmap.keymap) {
-        if (langmap.remapCtrl != false || !name)
-          key = langmap.keymap[key];
-      } else if (key.charCodeAt(0) > 255) {
-        var code = e.code?.slice(-1) || "";
-        if (!e.shiftKey) code = code.toLowerCase();
-        if (code) key = code;
-      }
-    }
-
-    name += key;
-    if (name.length > 1) { name = '<' + name + '>'; }
-    return name;
-  };
-
-  // langmap support
-  function updateLangmap(langmapString, remapCtrl) {
-    if (langmap.string !== langmapString) {
-      langmap = parseLangmap(langmapString);
-    }
-    langmap.remapCtrl = remapCtrl;
-  }
-  /**
-   *  From :help langmap
-   *  The 'langmap' option is a list of parts, separated with commas.  Each
-   *      part can be in one of two forms:
-   *      1.  A list of pairs.  Each pair is a "from" character immediately
-   *          followed by the "to" character.  Examples: "aA", "aAbBcC".
-   *      2.  A list of "from" characters, a semi-colon and a list of "to"
-   *          characters.  Example: "abc;ABC"
-   * @arg {string} langmapString
-   * @returns {{string: string, keymap: Record<string, string>, remapCtrl?: boolean}}
-   */
-  function parseLangmap(langmapString) {
-    let keymap = ({})/**@type {Record<string, string>}*/;
-    if (!langmapString) return { keymap: keymap, string: '' };
-
-    function getEscaped(list) {
-      return list.split(/\\?(.)/).filter(Boolean);
-    }
-    langmapString.split(/((?:[^\\,]|\\.)+),/).map(part => {
-      if (!part) return;
-      const semicolon = part.split(/((?:[^\\;]|\\.)+);/);
-      if (semicolon.length == 3) {
-        const from = getEscaped(semicolon[1]);
-        const to = getEscaped(semicolon[2]);
-        if (from.length !== to.length) return; // skip over malformed part
-        for (let i = 0; i < from.length; ++i) keymap[from[i]] = to[i];
-      } else if (semicolon.length == 1) {
-        const pairs = getEscaped(part);
-        if (pairs.length % 2 !== 0) return; // skip over malformed part
-        for (let i = 0; i < pairs.length; i += 2) keymap[pairs[i]] = pairs[i + 1];
-      }
-    });
-
-    return { keymap: keymap, string: langmapString };
-  }
-
-  defineOption('langmap', undefined, 'string', ['lmap'], function(name, cm) {
-    // The 'filetype' option proxies to the CodeMirror 'mode' option.
-    if (name === undefined) {
-      return langmap.string;
-    } else {
-      updateLangmap(name);
-    }
-  });
-
-  // Represents the current input state.
-  class InputState {
-    constructor() {
-      this.prefixRepeat = [];
-      this.motionRepeat = [];
-
-      this.operator = null;
-      this.operatorArgs = null;
-      this.motion = null;
-      this.motionArgs = null;
-      this.keyBuffer = []; // For matching multi-key commands.
-      this.registerName = null; // Defaults to the unnamed register.
-      this.changeQueue = null; // For restoring text used by insert mode keybindings
-    }
-    pushRepeatDigit(n) {
-      if (!this.operator) {
-        this.prefixRepeat = this.prefixRepeat.concat(n);
-      } else {
-        this.motionRepeat = this.motionRepeat.concat(n);
-      }
-    }
-    getRepeat() {
-      var repeat = 0;
-      if (this.prefixRepeat.length > 0 || this.motionRepeat.length > 0) {
-        repeat = 1;
-        if (this.prefixRepeat.length > 0) {
-          repeat *= parseInt(this.prefixRepeat.join(''), 10);
-        }
-        if (this.motionRepeat.length > 0) {
-          repeat *= parseInt(this.motionRepeat.join(''), 10);
-        }
-      }
-      return repeat;
-    }
-  }
-
-  /** @arg {CodeMirrorV} cm  @arg {string} [reason] */
-  function clearInputState(cm, reason) {
-    cm.state.vim.inputState = new InputState();
-    cm.state.vim.expectLiteralNext = false;
-    CodeMirror.signal(cm, 'vim-command-done', reason);
-  }
-
-  function ChangeQueue() {
-    this.removed = [];
-    this.inserted = "";
-  }
-
-  /**
-   * Register stores information about copy and paste registers.  Besides
-   * text, a register must store whether it is linewise (i.e., when it is
-   * pasted, should it insert itself into a new line, or should the text be
-   * inserted at the cursor position.)
-   */
-  class Register {
-    constructor(text, linewise, blockwise) {
-      this.clear();
-      this.keyBuffer = [text || ''];
-      this.insertModeChanges = [];
-      this.searchQueries = [];
-      this.linewise = !!linewise;
-      this.blockwise = !!blockwise;
-    }
-    setText(text, linewise, blockwise) {
-      this.keyBuffer = [text || ''];
-      this.linewise = !!linewise;
-      this.blockwise = !!blockwise;
-    }
-    pushText(text, linewise) {
-      // if this register has ever been set to linewise, use linewise.
-      if (linewise) {
-        if (!this.linewise) {
-          this.keyBuffer.push('\n');
-        }
-        this.linewise = true;
-      }
-      this.keyBuffer.push(text);
-    }
-    pushInsertModeChanges(changes) {
-      this.insertModeChanges.push(createInsertModeChanges(changes));
-    }
-    pushSearchQuery(query) {
-      this.searchQueries.push(query);
-    }
-    clear() {
-      this.keyBuffer = [];
-      this.insertModeChanges = [];
-      this.searchQueries = [];
-      this.linewise = false;
-    }
-    toString() {
-      return this.keyBuffer.join('');
-    }
-  }
-
-  /**
-   * Defines an external register.
-   *
-   * The name should be a single character that will be used to reference the register.
-   * The register should support setText, pushText, clear, and toString(). See Register
-   * for a reference implementation.
-   * @arg {string} name
-   * @arg {Register} register
-   */
-  function defineRegister(name, register) {
-    var registers = vimGlobalState.registerController.registers;
-    if (!name || name.length != 1) {
-      throw Error('Register name must be 1 character');
-    }
-    if (registers[name]) {
-      throw Error('Register already defined ' + name);
-    }
-    registers[name] = register;
-    validRegisters.push(name);
-  }
-
-  /**
-   * vim registers allow you to keep many independent copy and paste buffers.
-   * See http://usevim.com/2012/04/13/registers/ for an introduction.
-   *
-   * RegisterController keeps the state of all the registers.  An initial
-   * state may be passed in.  The unnamed register '"' will always be
-   * overridden.
-   */
-  class RegisterController {
-    /** @arg {Object<string, Register>} registers */
-    constructor(registers) {
-      this.registers = registers;
-      this.unnamedRegister = registers['"'] = new Register();
-      registers['.'] = new Register();
-      registers[':'] = new Register();
-      registers['/'] = new Register();
-      registers['+'] = new Register();
-    }
-    pushText(registerName, operator, text, linewise, blockwise) {
-      // The black hole register, "_, means delete/yank to nowhere.
-      if (registerName === '_') return;
-      if (linewise && text.charAt(text.length - 1) !== '\n') {
-        text += '\n';
-      }
-      // Lowercase and uppercase registers refer to the same register.
-      // Uppercase just means append.
-      var register = this.isValidRegister(registerName) ?
-          this.getRegister(registerName) : null;
-      // if no register/an invalid register was specified, things go to the
-      // default registers
-      if (!register) {
-        switch (operator) {
-          case 'yank':
-            // The 0 register contains the text from the most recent yank.
-            this.registers['0'] = new Register(text, linewise, blockwise);
-            break;
-          case 'delete':
-          case 'change':
-            if (text.indexOf('\n') == -1) {
-              // Delete less than 1 line. Update the small delete register.
-              this.registers['-'] = new Register(text, linewise);
-            } else {
-              // Shift down the contents of the numbered registers and put the
-              // deleted text into register 1.
-              this.shiftNumericRegisters_();
-              this.registers['1'] = new Register(text, linewise);
-            }
-            break;
-        }
-        // Make sure the unnamed register is set to what just happened
-        this.unnamedRegister.setText(text, linewise, blockwise);
-        return;
-      }
-
-      // If we've gotten to this point, we've actually specified a register
-      var append = isUpperCase(registerName);
-      if (append) {
-        register.pushText(text, linewise);
-      } else {
-        register.setText(text, linewise, blockwise);
-      }
-      if (registerName === '+') {
-        navigator.clipboard.writeText(text);
-      }
-      // The unnamed register always has the same value as the last used
-      // register.
-      this.unnamedRegister.setText(register.toString(), linewise);
-    }
-    /**
-     * Gets the register named @name.  If one of @name doesn't already exist,
-     * create it.  If @name is invalid, return the unnamedRegister.
-     * @arg {string} [name]
-     */
-    getRegister(name) {
-      if (!this.isValidRegister(name)) {
-        return this.unnamedRegister;
-      }
-      name = name.toLowerCase();
-      if (!this.registers[name]) {
-        this.registers[name] = new Register();
-      }
-      return this.registers[name];
-    }
-    /**@type {{(name: any): name is string}} */
-    isValidRegister(name) {
-      return name && (inArray(name, validRegisters) || latinCharRegex.test(name));
-    }
-    shiftNumericRegisters_() {
-      for (var i = 9; i >= 2; i--) {
-        this.registers[i] = this.getRegister('' + (i - 1));
-      }
-    }
-  }
-  class HistoryController {
-    constructor() {
-      this.historyBuffer = [];
-      this.iterator = 0;
-      this.initialPrefix = null;
-    }
-    // the input argument here acts a user entered prefix for a small time
-    // until we start autocompletion in which case it is the autocompleted.
-    nextMatch(input, up) {
-      var historyBuffer = this.historyBuffer;
-      var dir = up ? -1 : 1;
-      if (this.initialPrefix === null) this.initialPrefix = input;
-      for (var i = this.iterator + dir; up ? i >= 0 : i < historyBuffer.length; i += dir) {
-        var element = historyBuffer[i];
-        for (var j = 0; j <= element.length; j++) {
-          if (this.initialPrefix == element.substring(0, j)) {
-            this.iterator = i;
-            return element;
-          }
-        }
-      }
-      // should return the user input in case we reach the end of buffer.
-      if (i >= historyBuffer.length) {
-        this.iterator = historyBuffer.length;
-        return this.initialPrefix;
-      }
-      // return the last autocompleted query or exCommand as it is.
-      if (i < 0) return input;
-    }
-    pushInput(input) {
-      var index = this.historyBuffer.indexOf(input);
-      if (index > -1) this.historyBuffer.splice(index, 1);
-      if (input.length) this.historyBuffer.push(input);
-    }
-    reset() {
-      this.initialPrefix = null;
-      this.iterator = this.historyBuffer.length;
-    }
-  }
-  var commandDispatcher = {
-    matchCommand: function(keys, keyMap, inputState, context) {
-      var matches = commandMatches(keys, keyMap, context, inputState);
-      if (!matches.full && !matches.partial) {
-        return {type: 'none'};
-      } else if (!matches.full && matches.partial) {
-        return {
-          type: 'partial',
-          expectLiteralNext: matches.partial.length == 1 && matches.partial[0].keys.slice(-11) == '<character>' // langmap literal logic
-        };
-      }
-
-      var bestMatch;
-      // @ts-ignore
-      for (var i = 0; i < matches.full.length; i++) {
-        var match = matches.full[i];
-        if (!bestMatch) {
-          bestMatch = match;
-        }
-      }
-      if (bestMatch.keys.slice(-11) == '<character>' || bestMatch.keys.slice(-10) == '<register>') {
-        var character = lastChar(keys);
-        if (!character || character.length > 1) return {type: 'clear'};
-        inputState.selectedCharacter = character;
-      }
-      return {type: 'full', command: bestMatch};
-    },
-    /**
-     * @arg {CodeMirrorV} cm
-     * @arg {vimState} vim
-     * @arg {vimKey} command
-     */
-    processCommand: function(cm, vim, command) {
-      vim.inputState.repeatOverride = command.repeatOverride;
-      switch (command.type) {
-        case 'motion':
-          this.processMotion(cm, vim, command);
-          break;
-        case 'operator':
-          this.processOperator(cm, vim, command);
-          break;
-        case 'operatorMotion':
-          this.processOperatorMotion(cm, vim, command);
-          break;
-        case 'action':
-          this.processAction(cm, vim, command);
-          break;
-        case 'search':
-          this.processSearch(cm, vim, command);
-          break;
-        case 'ex':
-        case 'keyToEx':
-          this.processEx(cm, vim, command);
-          break;
-        default:
-          break;
-      }
-    },
-    /**
-     * @arg {CodeMirrorV} cm
-     * @arg {vimState} vim
-     * @arg {import("./types").motionCommand|import("./types").operatorMotionCommand} command
-     */
-    processMotion: function(cm, vim, command) {
-      vim.inputState.motion = command.motion;
-      vim.inputState.motionArgs = /**@type {MotionArgs}*/(copyArgs(command.motionArgs));
-      this.evalInput(cm, vim);
-    },
-    /**
-     * @arg {CodeMirrorV} cm
-     * @arg {vimState} vim
-     * @arg {import("./types").operatorCommand|import("./types").operatorMotionCommand} command
-     */
-    processOperator: function(cm, vim, command) {
-      var inputState = vim.inputState;
-      if (inputState.operator) {
-        if (inputState.operator == command.operator) {
-          // Typing an operator twice like 'dd' makes the operator operate
-          // linewise
-          inputState.motion = 'expandToLine';
-          inputState.motionArgs = { linewise: true, repeat: 1 };
-          this.evalInput(cm, vim);
-          return;
-        } else {
-          // 2 different operators in a row doesn't make sense.
-          clearInputState(cm);
-        }
-      }
-      inputState.operator = command.operator;
-      inputState.operatorArgs = copyArgs(command.operatorArgs);
-      if (command.keys.length > 1) {
-        inputState.operatorShortcut = command.keys;
-      }
-      if (command.exitVisualBlock) {
-          vim.visualBlock = false;
-          updateCmSelection(cm);
-      }
-      if (vim.visualMode) {
-        // Operating on a selection in visual mode. We don't need a motion.
-        this.evalInput(cm, vim);
-      }
-    },
-    /**
-     * @arg {CodeMirrorV} cm
-     * @arg {vimState} vim
-     * @arg {import("./types").operatorMotionCommand} command
-     */
-    processOperatorMotion: function(cm, vim, command) {
-      var visualMode = vim.visualMode;
-      var operatorMotionArgs = copyArgs(command.operatorMotionArgs);
-      if (operatorMotionArgs) {
-        // Operator motions may have special behavior in visual mode.
-        if (visualMode && operatorMotionArgs.visualLine) {
-          vim.visualLine = true;
-        }
-      }
-      this.processOperator(cm, vim, command);
-      if (!visualMode) {
-        this.processMotion(cm, vim, command);
-      }
-    },
-    /**
-     * @arg {CodeMirrorV} cm
-     * @arg {vimState} vim
-     * @arg {import("./types").actionCommand} command
-     */
-    processAction: function(cm, vim, command) {
-      var inputState = vim.inputState;
-      var repeat = inputState.getRepeat();
-      var repeatIsExplicit = !!repeat;
-      var actionArgs = /**@type {ActionArgs}*/(copyArgs(command.actionArgs) || {repeat: 1});
-      if (inputState.selectedCharacter) {
-        actionArgs.selectedCharacter = inputState.selectedCharacter;
-      }
-      // Actions may or may not have motions and operators. Do these first.
-      if (command.operator) {
-        // @ts-ignore
-        this.processOperator(cm, vim, command);
-      }
-      if (command.motion) {
-        // @ts-ignore
-        this.processMotion(cm, vim, command);
-      }
-      if (command.motion || command.operator) {
-        this.evalInput(cm, vim);
-      }
-      actionArgs.repeat = repeat || 1;
-      actionArgs.repeatIsExplicit = repeatIsExplicit;
-      actionArgs.registerName = inputState.registerName;
-      clearInputState(cm);
-      vim.lastMotion = null;
-      if (command.isEdit) {
-        this.recordLastEdit(vim, inputState, command);
-      }
-      actions[command.action](cm, actionArgs, vim);
-    },
-    /** @arg {CodeMirrorV} cm @arg {vimState} vim @arg {import("./types").searchCommand} command*/
-    processSearch: function(cm, vim, command) {
-      if (!cm.getSearchCursor) {
-        // Search depends on SearchCursor.
-        return;
-      }
-      var forward = command.searchArgs.forward;
-      var wholeWordOnly = command.searchArgs.wholeWordOnly;
-      getSearchState(cm).setReversed(!forward);
-      var promptPrefix = (forward) ? '/' : '?';
-      var originalQuery = getSearchState(cm).getQuery();
-      var originalScrollPos = cm.getScrollInfo();
-      /** @arg {string} query  @arg {boolean} ignoreCase  @arg {boolean} smartCase */
-      function handleQuery(query, ignoreCase, smartCase) {
-        vimGlobalState.searchHistoryController.pushInput(query);
-        vimGlobalState.searchHistoryController.reset();
-        try {
-          updateSearchQuery(cm, query, ignoreCase, smartCase);
-        } catch (e) {
-          showConfirm(cm, 'Invalid regex: ' + query);
-          clearInputState(cm);
-          return;
-        }
-        commandDispatcher.processMotion(cm, vim, {
-          keys: '',
-          type: 'motion',
-          motion: 'findNext',
-          motionArgs: { forward: true, toJumplist: command.searchArgs.toJumplist }
-        });
-      }
-      /** @arg {string} query */
-      function onPromptClose(query) {
-        cm.scrollTo(originalScrollPos.left, originalScrollPos.top);
-        handleQuery(query, true /** ignoreCase */, true /** smartCase */);
-        var macroModeState = vimGlobalState.macroModeState;
-        if (macroModeState.isRecording) {
-          logSearchQuery(macroModeState, query);
-        }
-      }
-      /**
-       * @arg {KeyboardEvent&{target:HTMLInputElement}} e
-       * @arg {any} query
-       * @arg {(arg0: any) => void} close
-       */
-      function onPromptKeyUp(e, query, close) {
-        var keyName = vimKeyFromEvent(e), up, offset;
-        if (keyName == '<Up>' || keyName == '<Down>') {
-          up = keyName == '<Up>' ? true : false;
-          offset = e.target ? e.target.selectionEnd : 0;
-          query = vimGlobalState.searchHistoryController.nextMatch(query, up) || '';
-          close(query);
-          if (offset && e.target) e.target.selectionEnd = e.target.selectionStart = Math.min(offset, e.target.value.length);
-        } else if (keyName && keyName != '<Left>' && keyName != '<Right>') {
-          vimGlobalState.searchHistoryController.reset();
-        }
-        var parsedQuery;
-        try {
-          parsedQuery = updateSearchQuery(cm, query,
-              true /** ignoreCase */, true /** smartCase */);
-        } catch (e) {
-          // Swallow bad regexes for incremental search.
-        }
-        if (parsedQuery) {
-          cm.scrollIntoView(findNext(cm, !forward, parsedQuery), 30);
-        } else {
-          clearSearchHighlight(cm);
-          cm.scrollTo(originalScrollPos.left, originalScrollPos.top);
-        }
-      }
-      /** @arg {KeyboardEvent} e  @arg {string} query  @arg {(arg0?: string) => void} close */
-      function onPromptKeyDown(e, query, close) {
-        var keyName = vimKeyFromEvent(e);
-        if (keyName == '<Esc>' || keyName == '<C-c>' || keyName == '<C-[>' ||
-            (keyName == '<BS>' && query == '')) {
-          vimGlobalState.searchHistoryController.pushInput(query);
-          vimGlobalState.searchHistoryController.reset();
-          updateSearchQuery(cm, originalQuery);
-          clearSearchHighlight(cm);
-          cm.scrollTo(originalScrollPos.left, originalScrollPos.top);
-          CodeMirror.e_stop(e);
-          clearInputState(cm);
-          close();
-          cm.focus();
-        } else if (keyName == '<Up>' || keyName == '<Down>') {
-          CodeMirror.e_stop(e);
-        } else if (keyName == '<C-u>') {
-          // Ctrl-U clears input.
-          CodeMirror.e_stop(e);
-          close('');
-        }
-      }
-      switch (command.searchArgs.querySrc) {
-        case 'prompt':
-          var macroModeState = vimGlobalState.macroModeState;
-          if (macroModeState.isPlaying) {
-            let query = macroModeState.replaySearchQueries.shift();
-            handleQuery(query, true /** ignoreCase */, false /** smartCase */);
-          } else {
-            showPrompt(cm, {
-                onClose: onPromptClose,
-                prefix: promptPrefix,
-                desc: '(JavaScript regexp)',
-                onKeyUp: onPromptKeyUp,
-                onKeyDown: onPromptKeyDown
-            });
-          }
-          break;
-        case 'wordUnderCursor':
-          var word = expandWordUnderCursor(cm, {noSymbol: true});
-          var isKeyword = true;
-          if (!word) {
-            word = expandWordUnderCursor(cm, {noSymbol: false});
-            isKeyword = false;
-          }
-          if (!word) {
-            showConfirm(cm, 'No word under cursor');
-            clearInputState(cm);
-            return;
-          }
-          let query = cm.getLine(word.start.line).substring(word.start.ch,
-              word.end.ch);
-          if (isKeyword && wholeWordOnly) {
-              query = '\\b' + query + '\\b';
-          } else {
-            query = escapeRegex(query);
-          }
-
-          // cachedCursor is used to save the old position of the cursor
-          // when * or # causes vim to seek for the nearest word and shift
-          // the cursor before entering the motion.
-          vimGlobalState.jumpList.cachedCursor = cm.getCursor();
-          cm.setCursor(word.start);
-
-          handleQuery(query, true /** ignoreCase */, false /** smartCase */);
-          break;
-      }
-    },
-    /**
-     * @arg {CodeMirrorV} cm
-     * @arg {vimState} vim
-     * @arg {import("./types").exCommand | import("./types").keyToExCommand} command
-     */
-    processEx: function(cm, vim, command) {
-      /**@arg {string} input*/
-      function onPromptClose(input) {
-        // Give the prompt some time to close so that if processCommand shows
-        // an error, the elements don't overlap.
-        vimGlobalState.exCommandHistoryController.pushInput(input);
-        vimGlobalState.exCommandHistoryController.reset();
-        exCommandDispatcher.processCommand(cm, input);
-        if (cm.state.vim) clearInputState(cm);
-      }
-      /**
-       * @arg {KeyboardEvent&{target:HTMLInputElement}} e
-       * @arg {string} input
-       * @arg {(arg0?: string) => void} close
-       */
-      function onPromptKeyDown(e, input, close) {
-        var keyName = vimKeyFromEvent(e), up, offset;
-        if (keyName == '<Esc>' || keyName == '<C-c>' || keyName == '<C-[>' ||
-            (keyName == '<BS>' && input == '')) {
-          vimGlobalState.exCommandHistoryController.pushInput(input);
-          vimGlobalState.exCommandHistoryController.reset();
-          CodeMirror.e_stop(e);
-          clearInputState(cm);
-          close();
-          cm.focus();
-        }
-        if (keyName == '<Up>' || keyName == '<Down>') {
-          CodeMirror.e_stop(e);
-          up = keyName == '<Up>' ? true : false;
-          offset = e.target ? e.target.selectionEnd : 0;
-          input = vimGlobalState.exCommandHistoryController.nextMatch(input, up) || '';
-          close(input);
-          if (offset && e.target) e.target.selectionEnd = e.target.selectionStart = Math.min(offset, e.target.value.length);
-        } else if (keyName == '<C-u>') {
-          // Ctrl-U clears input.
-          CodeMirror.e_stop(e);
-          close('');
-        } else if (keyName && keyName != '<Left>' && keyName != '<Right>') {
-            vimGlobalState.exCommandHistoryController.reset();
-        }
-      }
-      if (command.type == 'keyToEx') {
-        // Handle user defined Ex to Ex mappings
-        exCommandDispatcher.processCommand(cm, command.exArgs.input);
-      } else {
-        if (vim.visualMode) {
-          showPrompt(cm, { onClose: onPromptClose, prefix: ':', value: '\'<,\'>',
-              onKeyDown: onPromptKeyDown, selectValueOnOpen: false});
-        } else {
-          showPrompt(cm, { onClose: onPromptClose, prefix: ':',
-              onKeyDown: onPromptKeyDown});
-        }
-      }
-    },
-    /**@arg {CodeMirrorV} cm   @arg {vimState} vim */
-    evalInput: function(cm, vim) {
-      // If the motion command is set, execute both the operator and motion.
-      // Otherwise return.
-      var inputState = vim.inputState;
-      var motion = inputState.motion;
-      /** @type {MotionArgs}*/
-      var motionArgs = inputState.motionArgs || { repeat: 1};
-      var operator = inputState.operator;
-      /** @type {OperatorArgs}*/
-      var operatorArgs = inputState.operatorArgs || {};
-      var registerName = inputState.registerName;
-      var sel = vim.sel;
-      // TODO: Make sure cm and vim selections are identical outside visual mode.
-      var origHead = copyCursor(vim.visualMode ? clipCursorToContent(cm, sel.head): cm.getCursor('head'));
-      var origAnchor = copyCursor(vim.visualMode ? clipCursorToContent(cm, sel.anchor) : cm.getCursor('anchor'));
-      var oldHead = copyCursor(origHead);
-      var oldAnchor = copyCursor(origAnchor);
-      var newHead, newAnchor;
-      var repeat;
-      if (operator) {
-        this.recordLastEdit(vim, inputState);
-      }
-      if (inputState.repeatOverride !== undefined) {
-        // If repeatOverride is specified, that takes precedence over the
-        // input state's repeat. Used by Ex mode and can be user defined.
-        repeat = inputState.repeatOverride;
-      } else {
-        repeat = inputState.getRepeat();
-      }
-      if (repeat > 0 && motionArgs.explicitRepeat) {
-        motionArgs.repeatIsExplicit = true;
-      } else if (motionArgs.noRepeat ||
-          (!motionArgs.explicitRepeat && repeat === 0)) {
-        repeat = 1;
-        motionArgs.repeatIsExplicit = false;
-      }
-      if (inputState.selectedCharacter) {
-        // If there is a character input, stick it in all of the arg arrays.
-        motionArgs.selectedCharacter = operatorArgs.selectedCharacter =
-            inputState.selectedCharacter;
-      }
-      motionArgs.repeat = repeat;
-      clearInputState(cm);
-      if (motion) {
-        var motionResult = motions[motion](cm, origHead, motionArgs, vim, inputState);
-        vim.lastMotion = motions[motion];
-        if (!motionResult) {
-          return;
-        }
-        if (motionArgs.toJumplist) {
-          var jumpList = vimGlobalState.jumpList;
-          // if the current motion is # or *, use cachedCursor
-          var cachedCursor = jumpList.cachedCursor;
-          if (cachedCursor) {
-            // @ts-ignore
-            recordJumpPosition(cm, cachedCursor, motionResult);
-            delete jumpList.cachedCursor;
-          } else {
-            // @ts-ignore
-            recordJumpPosition(cm, origHead, motionResult);
-          }
-        }
-        if (motionResult instanceof Array) {
-          newAnchor = motionResult[0];
-          newHead = motionResult[1];
-        } else {
-          newHead = motionResult;
-        }
-        // TODO: Handle null returns from motion commands better.
-        if (!newHead) {
-          newHead = copyCursor(origHead);
-        }
-        if (vim.visualMode) {
-          if (!(vim.visualBlock && newHead.ch === Infinity)) {
-            newHead = clipCursorToContent(cm, newHead, oldHead);
-          }
-          if (newAnchor) {
-            newAnchor = clipCursorToContent(cm, newAnchor);
-          }
-          newAnchor = newAnchor || oldAnchor;
-          sel.anchor = newAnchor;
-          sel.head = newHead;
-          updateCmSelection(cm);
-          updateMark(cm, vim, '<',
-              cursorIsBefore(newAnchor, newHead) ? newAnchor
-                  : newHead);
-          updateMark(cm, vim, '>',
-              cursorIsBefore(newAnchor, newHead) ? newHead
-                  : newAnchor);
-        } else if (!operator) {
-          newHead = clipCursorToContent(cm, newHead, oldHead);
-          cm.setCursor(newHead.line, newHead.ch);
-        }
-      }
-      if (operator) {
-        if (operatorArgs.lastSel) {
-          // Replaying a visual mode operation
-          newAnchor = oldAnchor;
-          var lastSel = operatorArgs.lastSel;
-          var lineOffset = Math.abs(lastSel.head.line - lastSel.anchor.line);
-          var chOffset = Math.abs(lastSel.head.ch - lastSel.anchor.ch);
-          if (lastSel.visualLine) {
-            // Linewise Visual mode: The same number of lines.
-            newHead = new Pos(oldAnchor.line + lineOffset, oldAnchor.ch);
-          } else if (lastSel.visualBlock) {
-            // Blockwise Visual mode: The same number of lines and columns.
-            newHead = new Pos(oldAnchor.line + lineOffset, oldAnchor.ch + chOffset);
-          } else if (lastSel.head.line == lastSel.anchor.line) {
-            // Normal Visual mode within one line: The same number of characters.
-            newHead = new Pos(oldAnchor.line, oldAnchor.ch + chOffset);
-          } else {
-            // Normal Visual mode with several lines: The same number of lines, in the
-            // last line the same number of characters as in the last line the last time.
-            newHead = new Pos(oldAnchor.line + lineOffset, oldAnchor.ch);
-          }
-          vim.visualMode = true;
-          vim.visualLine = lastSel.visualLine;
-          vim.visualBlock = lastSel.visualBlock;
-          sel = vim.sel = {
-            anchor: newAnchor,
-            head: newHead
-          };
-          updateCmSelection(cm);
-        } else if (vim.visualMode) {
-          operatorArgs.lastSel = {
-            anchor: copyCursor(sel.anchor),
-            head: copyCursor(sel.head),
-            visualBlock: vim.visualBlock,
-            visualLine: vim.visualLine
-          };
-        }
-        var curStart, curEnd, linewise;
-        /** @type {'block'|'line'|'char'}*/ var mode;
-        var cmSel;
-        if (vim.visualMode) {
-          // Init visual op
-          curStart = cursorMin(sel.head, sel.anchor);
-          curEnd = cursorMax(sel.head, sel.anchor);
-          linewise = vim.visualLine || operatorArgs.linewise;
-          mode = vim.visualBlock ? 'block' :
-                  linewise ? 'line' :
-                  'char';
-          var newPositions = updateSelectionForSurrogateCharacters(cm, curStart, curEnd);
-          cmSel = makeCmSelection(cm, {
-            anchor: newPositions.start,
-            head: newPositions.end
-          }, mode);
-          if (linewise) {
-            var ranges = cmSel.ranges;
-            if (mode == 'block') {
-              // Linewise operators in visual block mode extend to end of line
-              for (var i = 0; i < ranges.length; i++) {
-                ranges[i].head.ch = lineLength(cm, ranges[i].head.line);
-              }
-            } else if (mode == 'line') {
-              ranges[0].head = new Pos(ranges[0].head.line + 1, 0);
-            }
-          }
-        } else {
-          // Init motion op
-          curStart = copyCursor(newAnchor || oldAnchor);
-          curEnd = copyCursor(newHead || oldHead);
-          if (cursorIsBefore(curEnd, curStart)) {
-            var tmp = curStart;
-            curStart = curEnd;
-            curEnd = tmp;
-          }
-          linewise = motionArgs.linewise || operatorArgs.linewise;
-          if (linewise) {
-            // Expand selection to entire line.
-            expandSelectionToLine(cm, curStart, curEnd);
-          } else if (motionArgs.forward) {
-            // Clip to trailing newlines only if the motion goes forward.
-            clipToLine(cm, curStart, curEnd);
-          }
-          mode = 'char';
-          var exclusive = !motionArgs.inclusive || linewise;
-          var newPositions = updateSelectionForSurrogateCharacters(cm, curStart, curEnd);
-          cmSel = makeCmSelection(cm, {
-            anchor: newPositions.start,
-            head: newPositions.end
-          }, mode, exclusive);
-        }
-        cm.setSelections(cmSel.ranges, cmSel.primary);
-        vim.lastMotion = null;
-        operatorArgs.repeat = repeat; // For indent in visual mode.
-        operatorArgs.registerName = registerName;
-        // Keep track of linewise as it affects how paste and change behave.
-        operatorArgs.linewise = linewise;
-        var operatorMoveTo = operators[operator](
-          cm, operatorArgs, cmSel.ranges, oldAnchor, newHead);
-        if (vim.visualMode) {
-          exitVisualMode(cm, operatorMoveTo != null);
-        }
-        if (operatorMoveTo) {
-          cm.setCursor(operatorMoveTo);
-        }
-      }
-    },
-    /**@arg {vimState} vim  @arg {InputStateInterface} inputState, @arg {import("./types").actionCommand} [actionCommand] */
-    recordLastEdit: function(vim, inputState, actionCommand) {
-      var macroModeState = vimGlobalState.macroModeState;
-      if (macroModeState.isPlaying) { return; }
-      vim.lastEditInputState = inputState;
-      vim.lastEditActionCommand = actionCommand;
-      macroModeState.lastInsertModeChanges.changes = [];
-      macroModeState.lastInsertModeChanges.expectCursorActivityForChange = false;
-      macroModeState.lastInsertModeChanges.visualBlock = vim.visualBlock ? vim.sel.head.line - vim.sel.anchor.line : 0;
-    }
-  };
-
-  /**
-   * All of the functions below return Cursor objects.
-   * @type {import("./types").vimMotions}}
-   */
-  var motions = {
-    moveToTopLine: function(cm, _head, motionArgs) {
-      var line = getUserVisibleLines(cm).top + motionArgs.repeat -1;
-      return new Pos(line, findFirstNonWhiteSpaceCharacter(cm.getLine(line)));
-    },
-    moveToMiddleLine: function(cm) {
-      var range = getUserVisibleLines(cm);
-      var line = Math.floor((range.top + range.bottom) * 0.5);
-      return new Pos(line, findFirstNonWhiteSpaceCharacter(cm.getLine(line)));
-    },
-    moveToBottomLine: function(cm, _head, motionArgs) {
-      var line = getUserVisibleLines(cm).bottom - motionArgs.repeat +1;
-      return new Pos(line, findFirstNonWhiteSpaceCharacter(cm.getLine(line)));
-    },
-    expandToLine: function(_cm, head, motionArgs) {
-      // Expands forward to end of line, and then to next line if repeat is
-      // >1. Does not handle backward motion!
-      var cur = head;
-      return new Pos(cur.line + motionArgs.repeat - 1, Infinity);
-    },
-    findNext: function(cm, _head, motionArgs) {
-      var state = getSearchState(cm);
-      var query = state.getQuery();
-      if (!query) {
-        return;
-      }
-      var prev = !motionArgs.forward;
-      // If search is initiated with ? instead of /, negate direction.
-      prev = (state.isReversed()) ? !prev : prev;
-      highlightSearchMatches(cm, query);
-      return findNext(cm, prev/** prev */, query, motionArgs.repeat);
-    },
-    /**
-     * Find and select the next occurrence of the search query. If the cursor is currently
-     * within a match, then find and select the current match. Otherwise, find the next occurrence in the
-     * appropriate direction.
-     *
-     * This differs from `findNext` in the following ways:
-     *
-     * 1. Instead of only returning the "from", this returns a "from", "to" range.
-     * 2. If the cursor is currently inside a search match, this selects the current match
-     *    instead of the next match.
-     * 3. If there is no associated operator, this will turn on visual mode.
-     */
-    findAndSelectNextInclusive: function(cm, _head, motionArgs, vim, prevInputState) {
-      var state = getSearchState(cm);
-      var query = state.getQuery();
-
-      if (!query) {
-        return;
-      }
-
-      var prev = !motionArgs.forward;
-      prev = (state.isReversed()) ? !prev : prev;
-
-      // next: [from, to] | null
-      var next = findNextFromAndToInclusive(cm, prev, query, motionArgs.repeat, vim);
-
-      // No matches.
-      if (!next) {
-        return;
-      }
-
-      // If there's an operator that will be executed, return the selection.
-      if (prevInputState.operator) {
-        return next;
-      }
-
-      // At this point, we know that there is no accompanying operator -- let's
-      // deal with visual mode in order to select an appropriate match.
-
-      var from = next[0];
-      // For whatever reason, when we use the "to" as returned by searchcursor.js directly,
-      // the resulting selection is extended by 1 char. Let's shrink it so that only the
-      // match is selected.
-      var to = new Pos(next[1].line, next[1].ch - 1);
-
-      if (vim.visualMode) {
-        // If we were in visualLine or visualBlock mode, get out of it.
-        if (vim.visualLine || vim.visualBlock) {
-          vim.visualLine = false;
-          vim.visualBlock = false;
-          CodeMirror.signal(cm, "vim-mode-change", {mode: "visual", subMode: ""});
-        }
-
-        // If we're currently in visual mode, we should extend the selection to include
-        // the search result.
-        var anchor = vim.sel.anchor;
-        if (anchor) {
-          if (state.isReversed()) {
-            if (motionArgs.forward) {
-              return [anchor, from];
-            }
-
-            return [anchor, to];
-          } else {
-            if (motionArgs.forward) {
-              return [anchor, to];
-            }
-
-            return [anchor, from];
-          }
-        }
-      } else {
-        // Let's turn visual mode on.
-        vim.visualMode = true;
-        vim.visualLine = false;
-        vim.visualBlock = false;
-        CodeMirror.signal(cm, "vim-mode-change", {mode: "visual", subMode: ""});
-      }
-
-      return prev ? [to, from] : [from, to];
-    },
-    goToMark: function(cm, _head, motionArgs, vim) {
-      var pos = getMarkPos(cm, vim, motionArgs.selectedCharacter || "");
-      if (pos) {
-        return motionArgs.linewise ? { line: pos.line, ch: findFirstNonWhiteSpaceCharacter(cm.getLine(pos.line)) } : pos;
-      }
-      return null;
-    },
-    moveToOtherHighlightedEnd: function(cm, _head, motionArgs, vim) {
-      if (vim.visualBlock && motionArgs.sameLine) {
-        var sel = vim.sel;
-        return [
-          clipCursorToContent(cm, new Pos(sel.anchor.line, sel.head.ch)),
-          clipCursorToContent(cm, new Pos(sel.head.line, sel.anchor.ch))
-        ];
-      } else {
-        return ([vim.sel.head, vim.sel.anchor]);
-      }
-    },
-    jumpToMark: function(cm, head, motionArgs, vim) {
-      var best = head;
-      for (var i = 0; i < motionArgs.repeat; i++) {
-        var cursor = best;
-        for (var key in vim.marks) {
-          if (!isLowerCase(key)) {
-            continue;
-          }
-          var mark = vim.marks[key].find();
-          var isWrongDirection = (motionArgs.forward) ?
-            // @ts-ignore
-            cursorIsBefore(mark, cursor) : cursorIsBefore(cursor, mark);
-
-          if (isWrongDirection) {
-            continue;
-          }
-          // @ts-ignore
-          if (motionArgs.linewise && (mark.line == cursor.line)) {
-            continue;
-          }
-
-          var equal = cursorEqual(cursor, best);
-          var between = (motionArgs.forward) ?
-            // @ts-ignore
-            cursorIsBetween(cursor, mark, best) :
-            // @ts-ignore
-            cursorIsBetween(best, mark, cursor);
-
-          if (equal || between) {
-            // @ts-ignore
-            best = mark;
-          }
-        }
-      }
-
-      if (motionArgs.linewise) {
-        // Vim places the cursor on the first non-whitespace character of
-        // the line if there is one, else it places the cursor at the end
-        // of the line, regardless of whether a mark was found.
-        best = new Pos(best.line, findFirstNonWhiteSpaceCharacter(cm.getLine(best.line)));
-      }
-      return best;
-    },
-    moveByCharacters: function(_cm, head, motionArgs) {
-      var cur = head;
-      var repeat = motionArgs.repeat;
-      var ch = motionArgs.forward ? cur.ch + repeat : cur.ch - repeat;
-      return new Pos(cur.line, ch);
-    },
-    moveByLines: function(cm, head, motionArgs, vim) {
-      var cur = head;
-      var endCh = cur.ch;
-      // Depending what our last motion was, we may want to do different
-      // things. If our last motion was moving vertically, we want to
-      // preserve the HPos from our last horizontal move.  If our last motion
-      // was going to the end of a line, moving vertically we should go to
-      // the end of the line, etc.
-      switch (vim.lastMotion) {
-        case this.moveByLines:
-        case this.moveByDisplayLines:
-        case this.moveByScroll:
-        case this.moveToColumn:
-        case this.moveToEol:
-          endCh = vim.lastHPos;
-          break;
-        default:
-          vim.lastHPos = endCh;
-      }
-      var repeat = motionArgs.repeat+(motionArgs.repeatOffset||0);
-      var line = motionArgs.forward ? cur.line + repeat : cur.line - repeat;
-      var first = cm.firstLine();
-      var last = cm.lastLine();
-      var posV = cm.findPosV(cur, (motionArgs.forward ? repeat : -repeat), 'line', vim.lastHSPos);
-      var hasMarkedText = motionArgs.forward ? posV.line > line : posV.line < line;
-      if (hasMarkedText) {
-        line = posV.line;
-        endCh = posV.ch;
-      }
-      // Vim go to line begin or line end when cursor at first/last line and
-      // move to previous/next line is triggered.
-      if (line < first && cur.line == first){
-        return this.moveToStartOfLine(cm, head, motionArgs, vim);
-      } else if (line > last && cur.line == last){
-          return moveToEol(cm, head, motionArgs, vim, true);
-      }
-      if (motionArgs.toFirstChar){
-        endCh=findFirstNonWhiteSpaceCharacter(cm.getLine(line));
-        vim.lastHPos = endCh;
-      }
-      vim.lastHSPos = cm.charCoords(new Pos(line, endCh),'div').left;
-      return new Pos(line, endCh);
-    },
-    moveByDisplayLines: function(cm, head, motionArgs, vim) {
-      var cur = head;
-      switch (vim.lastMotion) {
-        case this.moveByDisplayLines:
-        case this.moveByScroll:
-        case this.moveByLines:
-        case this.moveToColumn:
-        case this.moveToEol:
-          break;
-        default:
-          vim.lastHSPos = cm.charCoords(cur,'div').left;
-      }
-      var repeat = motionArgs.repeat;
-      var res=cm.findPosV(cur,(motionArgs.forward ? repeat : -repeat),'line',vim.lastHSPos);
-      if (res.hitSide) {
-        if (motionArgs.forward) {
-          var lastCharCoords = cm.charCoords(res, 'div');
-          var goalCoords = { top: lastCharCoords.top + 8, left: vim.lastHSPos };
-          res = cm.coordsChar(goalCoords, 'div');
-        } else {
-          var resCoords = cm.charCoords(new Pos(cm.firstLine(), 0), 'div');
-          resCoords.left = vim.lastHSPos;
-          res = cm.coordsChar(resCoords, 'div');
-        }
-      }
-      vim.lastHPos = res.ch;
-      return res;
-    },
-    moveByPage: function(cm, head, motionArgs) {
-      // CodeMirror only exposes functions that move the cursor page down, so
-      // doing this bad hack to move the cursor and move it back. evalInput
-      // will move the cursor to where it should be in the end.
-      var curStart = head;
-      var repeat = motionArgs.repeat;
-      return cm.findPosV(curStart, (motionArgs.forward ? repeat : -repeat), 'page');
-    },
-    moveByParagraph: function(cm, head, motionArgs) {
-      var dir = motionArgs.forward ? 1 : -1;
-      return findParagraph(cm, head, motionArgs.repeat, dir).start;
-    },
-    moveBySentence: function(cm, head, motionArgs) {
-      var dir = motionArgs.forward ? 1 : -1;
-      return findSentence(cm, head, motionArgs.repeat, dir);
-    },
-    moveByScroll: function(cm, head, motionArgs, vim) {
-      var scrollbox = cm.getScrollInfo();
-      var curEnd = null;
-      var repeat = motionArgs.repeat;
-      if (!repeat) {
-        repeat = scrollbox.clientHeight / (2 * cm.defaultTextHeight());
-      }
-      var orig = cm.charCoords(head, 'local');
-      motionArgs.repeat = repeat;
-      curEnd = motions.moveByDisplayLines(cm, head, motionArgs, vim);
-      if (!curEnd) {
-        return null;
-      }
-      var dest = cm.charCoords(curEnd, 'local');
-      cm.scrollTo(null, scrollbox.top + dest.top - orig.top);
-      return curEnd;
-    },
-    moveByWords: function(cm, head, motionArgs) {
-      return moveToWord(cm, head, motionArgs.repeat, !!motionArgs.forward,
-          !!motionArgs.wordEnd, !!motionArgs.bigWord);
-    },
-    moveTillCharacter: function(cm, head, motionArgs) {
-      var repeat = motionArgs.repeat;
-      var curEnd = moveToCharacter(cm, repeat, motionArgs.forward,
-          motionArgs.selectedCharacter, head);
-      var increment = motionArgs.forward ? -1 : 1;
-      recordLastCharacterSearch(increment, motionArgs);
-      if (!curEnd) return null;
-      curEnd.ch += increment;
-      return curEnd;
-    },
-    moveToCharacter: function(cm, head, motionArgs) {
-      var repeat = motionArgs.repeat;
-      recordLastCharacterSearch(0, motionArgs);
-      return moveToCharacter(cm, repeat, motionArgs.forward,
-          motionArgs.selectedCharacter, head) || head;
-    },
-    moveToSymbol: function(cm, head, motionArgs) {
-      var repeat = motionArgs.repeat;
-      return motionArgs.selectedCharacter
-       && findSymbol(cm, repeat, motionArgs.forward,
-          motionArgs.selectedCharacter) || head;
-    },
-    moveToColumn: function(cm, head, motionArgs, vim) {
-      var repeat = motionArgs.repeat;
-      // repeat is equivalent to which column we want to move to!
-      vim.lastHPos = repeat - 1;
-      vim.lastHSPos = cm.charCoords(head,'div').left;
-      return moveToColumn(cm, repeat);
-    },
-    moveToEol: function(cm, head, motionArgs, vim) {
-      return moveToEol(cm, head, motionArgs, vim, false);
-    },
-    moveToFirstNonWhiteSpaceCharacter: function(cm, head) {
-      // Go to the start of the line where the text begins, or the end for
-      // whitespace-only lines
-      var cursor = head;
-      return new Pos(cursor.line,
-                  findFirstNonWhiteSpaceCharacter(cm.getLine(cursor.line)));
-    },
-    moveToMatchedSymbol: function(cm, head) {
-      var cursor = head;
-      var line = cursor.line;
-      var ch = cursor.ch;
-      var lineText = cm.getLine(line);
-      var symbol;
-      for (; ch < lineText.length; ch++) {
-        symbol = lineText.charAt(ch);
-        if (symbol && isMatchableSymbol(symbol)) {
-          var style = cm.getTokenTypeAt(new Pos(line, ch + 1));
-          if (style !== "string" && style !== "comment") {
-            break;
-          }
-        }
-      }
-      if (ch < lineText.length) {
-        // Only include angle brackets in analysis if they are being matched.
-        var re = (symbol === '<' || symbol === '>') ? /[(){}[\]<>]/ : /[(){}[\]]/;
-        var matched = cm.findMatchingBracket(new Pos(line, ch), {bracketRegex: re});
-        return matched.to;
-      } else {
-        return cursor;
-      }
-    },
-    moveToStartOfLine: function(_cm, head) {
-      return new Pos(head.line, 0);
-    },
-    moveToLineOrEdgeOfDocument: function(cm, _head, motionArgs) {
-      var lineNum = motionArgs.forward ? cm.lastLine() : cm.firstLine();
-      if (motionArgs.repeatIsExplicit) {
-        lineNum = motionArgs.repeat - cm.getOption('firstLineNumber');
-      }
-      return new Pos(lineNum,
-                  findFirstNonWhiteSpaceCharacter(cm.getLine(lineNum)));
-    },
-    moveToStartOfDisplayLine: function(cm) {
-      cm.execCommand("goLineLeft");
-      return cm.getCursor();
-    },
-    moveToEndOfDisplayLine: function(cm) {
-      cm.execCommand("goLineRight");
-      var head = cm.getCursor();
-      if (head.sticky == "before") head.ch--;
-      return head;
-    },
-    textObjectManipulation: function(cm, head, motionArgs, vim) {
-      // TODO: lots of possible exceptions that can be thrown here. Try da(
-      //     outside of a () block.
-      /** @type{Object<string, string>} */
-      var mirroredPairs = {'(': ')', ')': '(',
-                            '{': '}', '}': '{',
-                            '[': ']', ']': '[',
-                            '<': '>', '>': '<'};
-      /** @type{Object<string, boolean>} */
-      var selfPaired = {'\'': true, '"': true, '`': true};
-
-      var character = motionArgs.selectedCharacter || "";
-      // 'b' refers to  '()' block.
-      // 'B' refers to  '{}' block.
-      if (character == 'b') {
-        character = '(';
-      } else if (character == 'B') {
-        character = '{';
-      }
-
-      // Inclusive is the difference between a and i
-      // TODO: Instead of using the additional text object map to perform text
-      //     object operations, merge the map into the defaultKeyMap and use
-      //     motionArgs to define behavior. Define separate entries for 'aw',
-      //     'iw', 'a[', 'i[', etc.
-      var inclusive = !motionArgs.textObjectInner;
-
-      var tmp, move;
-      if (mirroredPairs[character]) {
-        move = true;
-        tmp = selectCompanionObject(cm, head, character, inclusive);
-        if (!tmp) {
-          var sc = cm.getSearchCursor(new RegExp("\\" + character, "g"), head)
-          if (sc.find()) {
-            // @ts-ignore
-            tmp = selectCompanionObject(cm, sc.from(), character, inclusive);
-          }
-        }
-      } else if (selfPaired[character]) {
-        move = true;
-        tmp = findBeginningAndEnd(cm, head, character, inclusive);
-      } else if (character === 'W' || character === 'w') {
-        var repeat = motionArgs.repeat || 1;
-        while (repeat-- > 0) {
-          var repeated = expandWordUnderCursor(cm, {
-            inclusive,
-            innerWord: !inclusive,
-            bigWord: character === 'W',
-            noSymbol: character === 'W',
-            multiline: true
-          }, tmp && tmp.end);
-          if (repeated) {
-            if (!tmp) tmp = repeated;
-            tmp.end = repeated.end;
-          }
-        }
-      } else if (character === 'p') {
-        tmp = findParagraph(cm, head, motionArgs.repeat, 0, inclusive);
-        motionArgs.linewise = true;
-        if (vim.visualMode) {
-          if (!vim.visualLine) { vim.visualLine = true; }
-        } else {
-          var operatorArgs = vim.inputState.operatorArgs;
-          if (operatorArgs) { operatorArgs.linewise = true; }
-          tmp.end.line--;
-        }
-      } else if (character === 't') {
-        tmp = expandTagUnderCursor(cm, head, inclusive);
-      } else if (character === 's') {
-        // account for cursor on end of sentence symbol
-        var content = cm.getLine(head.line);
-        if (head.ch > 0 && isEndOfSentenceSymbol(content[head.ch])) {
-          head.ch -= 1;
-        }
-        var end = getSentence(cm, head, motionArgs.repeat, 1, inclusive)
-        var start = getSentence(cm, head, motionArgs.repeat, -1, inclusive)
-        // closer vim behaviour, 'a' only takes the space after the sentence if there is one before and after
-        if (isWhiteSpaceString(cm.getLine(start.line)[start.ch])
-            && isWhiteSpaceString(cm.getLine(end.line)[end.ch -1])) {
-          start = {line: start.line, ch: start.ch + 1}
-        }
-        tmp = {start: start, end: end};
-      }
-
-      if (!tmp) {
-        // No valid text object, don't move.
-        return null;
-      }
-
-      if (!cm.state.vim.visualMode) {
-        return [tmp.start, tmp.end];
-      } else {
-        return expandSelection(cm, tmp.start, tmp.end, move);
-      }
-    },
-
-    repeatLastCharacterSearch: function(cm, head, motionArgs) {
-      var lastSearch = vimGlobalState.lastCharacterSearch;
-      var repeat = motionArgs.repeat;
-      var forward = motionArgs.forward === lastSearch.forward;
-      var increment = (lastSearch.increment ? 1 : 0) * (forward ? -1 : 1);
-      cm.moveH(-increment, 'char');
-      motionArgs.inclusive = forward ? true : false;
-      var curEnd = moveToCharacter(cm, repeat, forward, lastSearch.selectedCharacter);
-      if (!curEnd) {
-        cm.moveH(increment, 'char');
-        return head;
-      }
-      curEnd.ch += increment;
-      return curEnd;
-    }
-  };
-
-  /** @arg {string} name  @arg {import("./types").MotionFn} fn */
-  function defineMotion(name, fn) {
-    motions[name] = fn;
-  }
-
-  /** @arg {string} val @arg {number} times */
-  function fillArray(val, times) {
-    var arr = [];
-    for (var i = 0; i < times; i++) {
-      arr.push(val);
-    }
-    return arr;
-  }
-  /**
-   * An operator acts on a text selection. It receives the list of selections
-   * as input. The corresponding CodeMirror selection is guaranteed to
-   * match the input selection.
-   */
-  /** @type {import("./types").vimOperators} */
-  var operators = {
-    change: function(cm, args, ranges) {
-      var finalHead, text;
-      var vim = cm.state.vim;
-      var anchor = ranges[0].anchor,
-          head = ranges[0].head;
-      if (!vim.visualMode) {
-        text = cm.getRange(anchor, head);
-        var lastState = vim.lastEditInputState;
-        if (lastState?.motion == "moveByWords" && !isWhiteSpaceString(text)) {
-          // Exclude trailing whitespace if the range is not all whitespace.
-          var match = (/\s+$/).exec(text);
-          if (match && lastState.motionArgs && lastState.motionArgs.forward) {
-            head = offsetCursor(head, 0, - match[0].length);
-            text = text.slice(0, - match[0].length);
-          }
-        }
-        if (args.linewise) {
-          anchor = new Pos(anchor.line, findFirstNonWhiteSpaceCharacter(cm.getLine(anchor.line)));
-          if (head.line > anchor.line) {
-            head = new Pos(head.line - 1, Number.MAX_VALUE)
-          }
-        }
-        cm.replaceRange('', anchor, head);
-        finalHead = anchor;
-      } else if (args.fullLine) {
-          head.ch = Number.MAX_VALUE;
-          head.line--;
-          cm.setSelection(anchor, head)
-          text = cm.getSelection();
-          cm.replaceSelection("");
-          finalHead = anchor;
-      } else {
-        text = cm.getSelection();
-        var replacement = fillArray('', ranges.length);
-        cm.replaceSelections(replacement);
-        finalHead = cursorMin(ranges[0].head, ranges[0].anchor);
-      }
-      vimGlobalState.registerController.pushText(
-          args.registerName, 'change', text,
-          args.linewise, ranges.length > 1);
-      actions.enterInsertMode(cm, {head: finalHead}, cm.state.vim);
-    },
-    delete: function(cm, args, ranges) {
-      var finalHead, text;
-      var vim = cm.state.vim;
-      if (!vim.visualBlock) {
-        var anchor = ranges[0].anchor,
-            head = ranges[0].head;
-        if (args.linewise &&
-            head.line != cm.firstLine() &&
-            anchor.line == cm.lastLine() &&
-            anchor.line == head.line - 1) {
-          // Special case for dd on last line (and first line).
-          if (anchor.line == cm.firstLine()) {
-            anchor.ch = 0;
-          } else {
-            anchor = new Pos(anchor.line - 1, lineLength(cm, anchor.line - 1));
-          }
-        }
-        text = cm.getRange(anchor, head);
-        cm.replaceRange('', anchor, head);
-        finalHead = anchor;
-        if (args.linewise) {
-          finalHead = motions.moveToFirstNonWhiteSpaceCharacter(cm, anchor);
-        }
-      } else {
-        text = cm.getSelection();
-        var replacement = fillArray('', ranges.length);
-        cm.replaceSelections(replacement);
-        finalHead = cursorMin(ranges[0].head, ranges[0].anchor);
-      }
-      vimGlobalState.registerController.pushText(
-          args.registerName, 'delete', text,
-          args.linewise, vim.visualBlock);
-      return clipCursorToContent(cm, finalHead);
-    },
-    indent: function(cm, args, ranges) {
-      var vim = cm.state.vim;
-      var repeat = (vim.visualMode) ? args.repeat : 1;
-      if (cm.indentMore) {
-        for (var j = 0; j < repeat; j++) {
-          if (args.indentRight) cm.indentMore();
-          else cm.indentLess();
-        }
-      } else {
-        var startLine = ranges[0].anchor.line;
-        var endLine = vim.visualBlock ?
-          ranges[ranges.length - 1].anchor.line :
-          ranges[0].head.line;
-        // In visual mode, n> shifts the selection right n times, instead of
-        // shifting n lines right once.
-        if (args.linewise) {
-          // The only way to delete a newline is to delete until the start of
-          // the next line, so in linewise mode evalInput will include the next
-          // line. We don't want this in indent, so we go back a line.
-          endLine--;
-        }
-        for (var i = startLine; i <= endLine; i++) {
-          for (var j = 0; j < repeat; j++) {
-            cm.indentLine(i, args.indentRight);
-          }
-        }
-      }
-      return motions.moveToFirstNonWhiteSpaceCharacter(cm, ranges[0].anchor);
-    },
-    indentAuto: function(cm, _args, ranges) {
-      cm.execCommand("indentAuto");
-      return motions.moveToFirstNonWhiteSpaceCharacter(cm, ranges[0].anchor);
-    },
-    hardWrap: function(cm, operatorArgs, ranges, oldAnchor) {
-      if (!cm.hardWrap) return;
-      var from = ranges[0].anchor.line;
-      var to = ranges[0].head.line;
-      if (operatorArgs.linewise) to--;
-      var endRow = cm.hardWrap({from: from, to: to});
-      if (endRow > from && operatorArgs.linewise) endRow--;
-      return operatorArgs.keepCursor ? oldAnchor : new Pos(endRow, 0);
-    },
-    changeCase: function(cm, args, ranges, oldAnchor, newHead) {
-      var selections = cm.getSelections();
-      var swapped = [];
-      var toLower = args.toLower;
-      for (var j = 0; j < selections.length; j++) {
-        var toSwap = selections[j];
-        var text = '';
-        if (toLower === true) {
-          text = toSwap.toLowerCase();
-        } else if (toLower === false) {
-          text = toSwap.toUpperCase();
-        } else {
-          for (var i = 0; i < toSwap.length; i++) {
-            var character = toSwap.charAt(i);
-            text += isUpperCase(character) ? character.toLowerCase() :
-                character.toUpperCase();
-          }
-        }
-        swapped.push(text);
-      }
-      cm.replaceSelections(swapped);
-      if (args.shouldMoveCursor){
-        return newHead;
-      } else if (!cm.state.vim.visualMode && args.linewise && ranges[0].anchor.line + 1 == ranges[0].head.line) {
-        return motions.moveToFirstNonWhiteSpaceCharacter(cm, oldAnchor);
-      } else if (args.linewise){
-        return oldAnchor;
-      } else {
-        return cursorMin(ranges[0].anchor, ranges[0].head);
-      }
-    },
-    yank: function(cm, args, ranges, oldAnchor) {
-      var vim = cm.state.vim;
-      var text = cm.getSelection();
-      var endPos = vim.visualMode
-        ? cursorMin(vim.sel.anchor, vim.sel.head, ranges[0].head, ranges[0].anchor)
-        : oldAnchor;
-      vimGlobalState.registerController.pushText(
-          args.registerName, 'yank',
-          text, args.linewise, vim.visualBlock);
-      return endPos;
-    }
-  };
-
-  /** @arg {string} name  @arg {import("./types").OperatorFn} fn */
-  function defineOperator(name, fn) {
-    operators[name] = fn;
-  }
-
-  /** @type {import("./types").vimActions} */
-  var actions = {
-    jumpListWalk: function(cm, actionArgs, vim) {
-      if (vim.visualMode) {
-        return;
-      }
-      var repeat = actionArgs.repeat || 1;
-      var forward = actionArgs.forward;
-      var jumpList = vimGlobalState.jumpList;
-
-      var mark = jumpList.move(cm, forward ? repeat : -repeat);
-      var markPos = mark ? mark.find() : undefined;
-      markPos = markPos ? markPos : cm.getCursor();
-      cm.setCursor(markPos);
-    },
-    scroll: function(cm, actionArgs, vim) {
-      if (vim.visualMode) {
-        return;
-      }
-      var repeat = actionArgs.repeat || 1;
-      var lineHeight = cm.defaultTextHeight();
-      var top = cm.getScrollInfo().top;
-      var delta = lineHeight * repeat;
-      var newPos = actionArgs.forward ? top + delta : top - delta;
-      var cursor = copyCursor(cm.getCursor());
-      var cursorCoords = cm.charCoords(cursor, 'local');
-      if (actionArgs.forward) {
-        if (newPos > cursorCoords.top) {
-            cursor.line += (newPos - cursorCoords.top) / lineHeight;
-            cursor.line = Math.ceil(cursor.line);
-            cm.setCursor(cursor);
-            cursorCoords = cm.charCoords(cursor, 'local');
-            cm.scrollTo(null, cursorCoords.top);
-        } else {
-            // Cursor stays within bounds.  Just reposition the scroll window.
-            cm.scrollTo(null, newPos);
-        }
-      } else {
-        var newBottom = newPos + cm.getScrollInfo().clientHeight;
-        if (newBottom < cursorCoords.bottom) {
-            cursor.line -= (cursorCoords.bottom - newBottom) / lineHeight;
-            cursor.line = Math.floor(cursor.line);
-            cm.setCursor(cursor);
-            cursorCoords = cm.charCoords(cursor, 'local');
-            cm.scrollTo(
-                null, cursorCoords.bottom - cm.getScrollInfo().clientHeight);
-        } else {
-            // Cursor stays within bounds.  Just reposition the scroll window.
-            cm.scrollTo(null, newPos);
-        }
-      }
-    },
-    scrollToCursor: function(cm, actionArgs) {
-      var lineNum = cm.getCursor().line;
-      var charCoords = cm.charCoords(new Pos(lineNum, 0), 'local');
-      var height = cm.getScrollInfo().clientHeight;
-      var y = charCoords.top;
-      switch (actionArgs.position) {
-        case 'center': y = charCoords.bottom - height / 2;
-          break;
-        case 'bottom':
-          var lineLastCharPos = new Pos(lineNum, cm.getLine(lineNum).length - 1);
-          var lineLastCharCoords = cm.charCoords(lineLastCharPos, 'local');
-          var lineHeight = lineLastCharCoords.bottom - y;
-          y = y - height + lineHeight
-          break;
-      }
-      cm.scrollTo(null, y);
-    },
-    replayMacro: function(cm, actionArgs, vim) {
-      var registerName = actionArgs.selectedCharacter || "";
-      var repeat = actionArgs.repeat || 1;
-      var macroModeState = vimGlobalState.macroModeState;
-      if (registerName == '@') {
-        registerName = macroModeState.latestRegister;
-      } else {
-        macroModeState.latestRegister = registerName;
-      }
-      while(repeat--){
-        executeMacroRegister(cm, vim, macroModeState, registerName);
-      }
-    },
-    enterMacroRecordMode: function(cm, actionArgs) {
-      var macroModeState = vimGlobalState.macroModeState;
-      var registerName = actionArgs.selectedCharacter;
-      if (vimGlobalState.registerController.isValidRegister(registerName)) {
-        macroModeState.enterMacroRecordMode(cm, registerName);
-      }
-    },
-    toggleOverwrite: function(cm) {
-      if (!cm.state.overwrite) {
-        cm.toggleOverwrite(true);
-        cm.setOption('keyMap', 'vim-replace');
-        CodeMirror.signal(cm, "vim-mode-change", {mode: "replace"});
-      } else {
-        cm.toggleOverwrite(false);
-        cm.setOption('keyMap', 'vim-insert');
-        CodeMirror.signal(cm, "vim-mode-change", {mode: "insert"});
-      }
-    },
-    enterInsertMode: function(cm, actionArgs, vim) {
-      if (cm.getOption('readOnly')) { return; }
-      vim.insertMode = true;
-      vim.insertModeRepeat = actionArgs && actionArgs.repeat || 1;
-      var insertAt = (actionArgs) ? actionArgs.insertAt : null;
-      var sel = vim.sel;
-      var head = actionArgs.head || cm.getCursor('head');
-      var height = cm.listSelections().length;
-      if (insertAt == 'eol') {
-        head = new Pos(head.line, lineLength(cm, head.line));
-      } else if (insertAt == 'bol') {
-        head = new Pos(head.line, 0);
-      } else if (insertAt == 'charAfter') {
-        var newPosition = updateSelectionForSurrogateCharacters(cm, head, offsetCursor(head, 0, 1));
-        head = newPosition.end;
-      } else if (insertAt == 'firstNonBlank') {
-        var newPosition = updateSelectionForSurrogateCharacters(cm, head, motions.moveToFirstNonWhiteSpaceCharacter(cm, head));
-        head = newPosition.end;
-      } else if (insertAt == 'startOfSelectedArea') {
-        if (!vim.visualMode)
-            return;
-        if (!vim.visualBlock) {
-          if (sel.head.line < sel.anchor.line) {
-            head = sel.head;
-          } else {
-            head = new Pos(sel.anchor.line, 0);
-          }
-        } else {
-          head = new Pos(
-              Math.min(sel.head.line, sel.anchor.line),
-              Math.min(sel.head.ch, sel.anchor.ch));
-          height = Math.abs(sel.head.line - sel.anchor.line) + 1;
-        }
-      } else if (insertAt == 'endOfSelectedArea') {
-          if (!vim.visualMode)
-            return;
-        if (!vim.visualBlock) {
-          if (sel.head.line >= sel.anchor.line) {
-            head = offsetCursor(sel.head, 0, 1);
-          } else {
-            head = new Pos(sel.anchor.line, 0);
-          }
-        } else {
-          head = new Pos(
-              Math.min(sel.head.line, sel.anchor.line),
-              Math.max(sel.head.ch, sel.anchor.ch) + 1);
-          height = Math.abs(sel.head.line - sel.anchor.line) + 1;
-        }
-      } else if (insertAt == 'inplace') {
-        if (vim.visualMode){
-          return;
-        }
-      } else if (insertAt == 'lastEdit') {
-        head = getLastEditPos(cm) || head;
-      }
-      cm.setOption('disableInput', false);
-      if (actionArgs && actionArgs.replace) {
-        // Handle Replace-mode as a special case of insert mode.
-        cm.toggleOverwrite(true);
-        cm.setOption('keyMap', 'vim-replace');
-        CodeMirror.signal(cm, "vim-mode-change", {mode: "replace"});
-      } else {
-        cm.toggleOverwrite(false);
-        cm.setOption('keyMap', 'vim-insert');
-        CodeMirror.signal(cm, "vim-mode-change", {mode: "insert"});
-      }
-      if (!vimGlobalState.macroModeState.isPlaying) {
-        // Only record if not replaying.
-        cm.on('change', onChange);
-        if (vim.insertEnd) vim.insertEnd.clear();
-        vim.insertEnd = cm.setBookmark(head, {insertLeft: true});
-        CodeMirror.on(cm.getInputField(), 'keydown', onKeyEventTargetKeyDown);
-      }
-      if (vim.visualMode) {
-        exitVisualMode(cm);
-      }
-      selectForInsert(cm, head, height);
-    },
-    toggleVisualMode: function(cm, actionArgs, vim) {
-      var repeat = actionArgs.repeat;
-      var anchor = cm.getCursor();
-      var head;
-      // TODO: The repeat should actually select number of characters/lines
-      //     equal to the repeat times the size of the previous visual
-      //     operation.
-      if (!vim.visualMode) {
-        // Entering visual mode
-        vim.visualMode = true;
-        vim.visualLine = !!actionArgs.linewise;
-        vim.visualBlock = !!actionArgs.blockwise;
-        head = clipCursorToContent(
-            cm, new Pos(anchor.line, anchor.ch + repeat - 1));
-        var newPosition = updateSelectionForSurrogateCharacters(cm, anchor, head)
-        vim.sel = {
-          anchor: newPosition.start,
-          head: newPosition.end
-        };
-        CodeMirror.signal(cm, "vim-mode-change", {mode: "visual", subMode: vim.visualLine ? "linewise" : vim.visualBlock ? "blockwise" : ""});
-        updateCmSelection(cm);
-        updateMark(cm, vim, '<', cursorMin(anchor, head));
-        updateMark(cm, vim, '>', cursorMax(anchor, head));
-      } else if (vim.visualLine != !!actionArgs.linewise ||
-          vim.visualBlock != !!actionArgs.blockwise) {
-        // Toggling between modes
-        vim.visualLine = !!actionArgs.linewise;
-        vim.visualBlock = !!actionArgs.blockwise;
-        CodeMirror.signal(cm, "vim-mode-change", {mode: "visual", subMode: vim.visualLine ? "linewise" : vim.visualBlock ? "blockwise" : ""});
-        updateCmSelection(cm);
-      } else {
-        exitVisualMode(cm);
-      }
-    },
-    reselectLastSelection: function(cm, _actionArgs, vim) {
-      var lastSelection = vim.lastSelection;
-      if (vim.visualMode) {
-        updateLastSelection(cm, vim);
-      }
-      if (lastSelection) {
-        var anchor = lastSelection.anchorMark.find();
-        var head = lastSelection.headMark.find();
-        if (!anchor || !head) {
-          // If the marks have been destroyed due to edits, do nothing.
-          return;
-        }
-        vim.sel = {
-          anchor: anchor,
-          head: head
-        };
-        vim.visualMode = true;
-        vim.visualLine = lastSelection.visualLine;
-        vim.visualBlock = lastSelection.visualBlock;
-        updateCmSelection(cm);
-        updateMark(cm, vim, '<', cursorMin(anchor, head));
-        updateMark(cm, vim, '>', cursorMax(anchor, head));
-        CodeMirror.signal(cm, 'vim-mode-change', {
-          mode: 'visual',
-          subMode: vim.visualLine ? 'linewise' :
-                    vim.visualBlock ? 'blockwise' : ''});
-      }
-    },
-    joinLines: function(cm, actionArgs, vim) {
-      var curStart, curEnd;
-      if (vim.visualMode) {
-        curStart = cm.getCursor('anchor');
-        curEnd = cm.getCursor('head');
-        if (cursorIsBefore(curEnd, curStart)) {
-          var tmp = curEnd;
-          curEnd = curStart;
-          curStart = tmp;
-        }
-        curEnd.ch = lineLength(cm, curEnd.line) - 1;
-      } else {
-        // Repeat is the number of lines to join. Minimum 2 lines.
-        var repeat = Math.max(actionArgs.repeat, 2);
-        curStart = cm.getCursor();
-        curEnd = clipCursorToContent(cm, new Pos(curStart.line + repeat - 1,
-                                              Infinity));
-      }
-      var finalCh = 0;
-      for (var i = curStart.line; i < curEnd.line; i++) {
-        finalCh = lineLength(cm, curStart.line);
-        var text = '';
-        var nextStartCh = 0;
-        if (!actionArgs.keepSpaces) {
-          var nextLine = cm.getLine(curStart.line + 1);
-          nextStartCh = nextLine.search(/\S/);
-          if (nextStartCh == -1) {
-            nextStartCh = nextLine.length;
-          } else {
-            text = " ";
-          }
-        }
-        cm.replaceRange(text,
-          new Pos(curStart.line, finalCh),
-          new Pos(curStart.line + 1, nextStartCh));
-      }
-      var curFinalPos = clipCursorToContent(cm, new Pos(curStart.line, finalCh));
-      if (vim.visualMode) {
-        exitVisualMode(cm, false);
-      }
-      cm.setCursor(curFinalPos);
-    },
-    newLineAndEnterInsertMode: function(cm, actionArgs, vim) {
-      vim.insertMode = true;
-      var insertAt = copyCursor(cm.getCursor());
-      if (insertAt.line === cm.firstLine() && !actionArgs.after) {
-        // Special case for inserting newline before start of document.
-        cm.replaceRange('\n', new Pos(cm.firstLine(), 0));
-        cm.setCursor(cm.firstLine(), 0);
-      } else {
-        insertAt.line = (actionArgs.after) ? insertAt.line :
-            insertAt.line - 1;
-        insertAt.ch = lineLength(cm, insertAt.line);
-        cm.setCursor(insertAt);
-        var newlineFn = CodeMirror.commands.newlineAndIndentContinueComment ||
-            CodeMirror.commands.newlineAndIndent;
-        newlineFn(cm);
-      }
-      this.enterInsertMode(cm, { repeat: actionArgs.repeat }, vim);
-    },
-    paste: function(cm, actionArgs, vim) {
-      var register = vimGlobalState.registerController.getRegister(
-          actionArgs.registerName);
-      if (actionArgs.registerName === '+') {
-        navigator.clipboard.readText().then((value) => {
-          this.continuePaste(cm, actionArgs, vim, value, register);
-        })
-      } else {
-        var text = register.toString();
-        this.continuePaste(cm, actionArgs, vim, text, register);
-      }
-    },
-    continuePaste: function(cm, actionArgs, vim, text, register) {
-      var cur = copyCursor(cm.getCursor());
-      if (!text) {
-        return;
-      }
-      if (actionArgs.matchIndent) {
-        var tabSize = cm.getOption("tabSize");
-        // length that considers tabs and tabSize
-        var whitespaceLength = function(/** @type {string} */ str) {
-          var tabs = (str.split("\t").length - 1);
-          var spaces = (str.split(" ").length - 1);
-          return tabs * tabSize + spaces * 1;
-        };
-        var currentLine = cm.getLine(cm.getCursor().line);
-        // @ts-ignore
-        var indent = whitespaceLength(currentLine.match(/^\s*/)[0]);
-        // chomp last newline b/c don't want it to match /^\s*/gm
-        var chompedText = text.replace(/\n$/, '');
-        var wasChomped = text !== chompedText;
-        // @ts-ignore
-        var firstIndent = whitespaceLength(text.match(/^\s*/)[0]);
-        var text = chompedText.replace(/^\s*/gm, function(wspace) {
-          var newIndent = indent + (whitespaceLength(wspace) - firstIndent);
-          if (newIndent < 0) {
-            return "";
-          }
-          else if (cm.getOption("indentWithTabs")) {
-            var quotient = Math.floor(newIndent / tabSize);
-            return Array(quotient + 1).join('\t');
-          }
-          else {
-            return Array(newIndent + 1).join(' ');
-          }
-        });
-        text += wasChomped ? "\n" : "";
-      }
-      if (actionArgs.repeat > 1) {
-        var text = Array(actionArgs.repeat + 1).join(text);
-      }
-      var linewise = register.linewise;
-      var blockwise = register.blockwise;
-      if (blockwise) {
-        // @ts-ignore
-        text = text.split('\n');
-        if (linewise) {
-          // @ts-ignore
-          text.pop();
-        }
-        for (var i = 0; i < text.length; i++) {
-          // @ts-ignore
-          text[i] = (text[i] == '') ? ' ' : text[i];
-        }
-        cur.ch += actionArgs.after ? 1 : 0;
-        cur.ch = Math.min(lineLength(cm, cur.line), cur.ch);
-      } else if (linewise) {
-        if(vim.visualMode) {
-          text = vim.visualLine ? text.slice(0, -1) : '\n' + text.slice(0, text.length - 1) + '\n';
-        } else if (actionArgs.after) {
-          // Move the newline at the end to the start instead, and paste just
-          // before the newline character of the line we are on right now.
-          text = '\n' + text.slice(0, text.length - 1);
-          cur.ch = lineLength(cm, cur.line);
-        } else {
-          cur.ch = 0;
-        }
-      } else {
-        cur.ch += actionArgs.after ? 1 : 0;
-      }
-      var curPosFinal;
-      if (vim.visualMode) {
-        //  save the pasted text for reselection if the need arises
-        vim.lastPastedText = text;
-        var lastSelectionCurEnd;
-        var selectedArea = getSelectedAreaRange(cm, vim);
-        var selectionStart = selectedArea[0];
-        var selectionEnd = selectedArea[1];
-        var selectedText = cm.getSelection();
-        var selections = cm.listSelections();
-        var emptyStrings = new Array(selections.length).join('1').split('1');
-        // save the curEnd marker before it get cleared due to cm.replaceRange.
-        if (vim.lastSelection) {
-          lastSelectionCurEnd = vim.lastSelection.headMark.find();
-        }
-        // push the previously selected text to unnamed register
-        vimGlobalState.registerController.unnamedRegister.setText(selectedText);
-        if (blockwise) {
-          // first delete the selected text
-          cm.replaceSelections(emptyStrings);
-          // Set new selections as per the block length of the yanked text
-          selectionEnd = new Pos(selectionStart.line + text.length-1, selectionStart.ch);
-          cm.setCursor(selectionStart);
-          selectBlock(cm, selectionEnd);
-          // @ts-ignore
-          cm.replaceSelections(text);
-          curPosFinal = selectionStart;
-        } else if (vim.visualBlock) {
-          cm.replaceSelections(emptyStrings);
-          cm.setCursor(selectionStart);
-          cm.replaceRange(text, selectionStart, selectionStart);
-          curPosFinal = selectionStart;
-        } else {
-          cm.replaceRange(text, selectionStart, selectionEnd);
-          curPosFinal = cm.posFromIndex(cm.indexFromPos(selectionStart) + text.length - 1);
-        }
-        // restore the curEnd marker
-        if(lastSelectionCurEnd) {
-          vim.lastSelection.headMark = cm.setBookmark(lastSelectionCurEnd);
-        }
-        if (linewise) {
-          curPosFinal.ch=0;
-        }
-      } else {
-        if (blockwise) {
-          cm.setCursor(cur);
-          for (var i = 0; i < text.length; i++) {
-            var line = cur.line+i;
-            if (line > cm.lastLine()) {
-              cm.replaceRange('\n',  new Pos(line, 0));
-            }
-            var lastCh = lineLength(cm, line);
-            if (lastCh < cur.ch) {
-              extendLineToColumn(cm, line, cur.ch);
-            }
-          }
-          cm.setCursor(cur);
-          selectBlock(cm, new Pos(cur.line + text.length-1, cur.ch));
-          // @ts-ignore
-          cm.replaceSelections(text);
-          curPosFinal = cur;
-        } else {
-          cm.replaceRange(text, cur);
-          // Now fine tune the cursor to where we want it.
-          if (linewise) {
-            var line = actionArgs.after ? cur.line + 1 : cur.line;
-            curPosFinal = new Pos(line, findFirstNonWhiteSpaceCharacter(cm.getLine(line)));
-          } else {
-            curPosFinal = copyCursor(cur);
-            if (!/\n/.test(text)) {
-              curPosFinal.ch += text.length - (actionArgs.after ? 1 : 0);
-            }
-          }
-        }
-      }
-      if (vim.visualMode) {
-        exitVisualMode(cm, false);
-      }
-      cm.setCursor(curPosFinal);
-    },
-    undo: function(cm, actionArgs) {
-      cm.operation(function() {
-        repeatFn(cm, CodeMirror.commands.undo, actionArgs.repeat)();
-        cm.setCursor(clipCursorToContent(cm, cm.getCursor('start')));
-      });
-    },
-    redo: function(cm, actionArgs) {
-      repeatFn(cm, CodeMirror.commands.redo, actionArgs.repeat)();
-    },
-    setRegister: function(_cm, actionArgs, vim) {
-      vim.inputState.registerName = actionArgs.selectedCharacter;
-    },
-    insertRegister: function(cm, actionArgs, vim) {
-      var registerName = actionArgs.selectedCharacter;
-      var register = vimGlobalState.registerController.getRegister(registerName);
-      var text = register && register.toString();
-      if (text) {
-        cm.replaceSelection(text);
-      }
-    },
-    oneNormalCommand: function(cm, actionArgs, vim) {
-      exitInsertMode(cm, true);
-      vim.insertModeReturn = true;
-      CodeMirror.on(cm, 'vim-command-done', function handler() {
-        if (vim.visualMode) return;
-        if (vim.insertModeReturn) {
-          vim.insertModeReturn = false;
-          if (!vim.insertMode) {
-            actions.enterInsertMode(cm, {}, vim);
-          }
-        }
-        CodeMirror.off(cm, 'vim-command-done', handler);
-      });
-    },
-    setMark: function(cm, actionArgs, vim) {
-      var markName = actionArgs.selectedCharacter;
-      if (markName) updateMark(cm, vim, markName, cm.getCursor());
-    },
-    replace: function(cm, actionArgs, vim) {
-      var replaceWith = actionArgs.selectedCharacter || "";
-      var curStart = cm.getCursor();
-      var replaceTo;
-      var curEnd;
-      var selections = cm.listSelections();
-      if (vim.visualMode) {
-        curStart = cm.getCursor('start');
-        curEnd = cm.getCursor('end');
-      } else {
-        var line = cm.getLine(curStart.line);
-        replaceTo = curStart.ch + actionArgs.repeat;
-        if (replaceTo > line.length) {
-          replaceTo=line.length;
-        }
-        curEnd = new Pos(curStart.line, replaceTo);
-      }
-
-      var newPositions = updateSelectionForSurrogateCharacters(cm, curStart, curEnd);
-      curStart = newPositions.start;
-      curEnd = newPositions.end;
-      if (replaceWith=='\n') {
-        if (!vim.visualMode) cm.replaceRange('', curStart, curEnd);
-        // special case, where vim help says to replace by just one line-break
-        (CodeMirror.commands.newlineAndIndentContinueComment || CodeMirror.commands.newlineAndIndent)(cm);
-      } else {
-        var replaceWithStr = cm.getRange(curStart, curEnd);
-        // replace all surrogate characters with selected character
-        replaceWithStr = replaceWithStr.replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, replaceWith);
-        //replace all characters in range by selected, but keep linebreaks
-        replaceWithStr = replaceWithStr.replace(/[^\n]/g, replaceWith);
-        if (vim.visualBlock) {
-          // Tabs are split in visua block before replacing
-          var spaces = new Array(cm.getOption("tabSize")+1).join(' ');
-          replaceWithStr = cm.getSelection();
-          replaceWithStr = replaceWithStr.replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, replaceWith);
-          var replaceWithStrings = replaceWithStr.replace(/\t/g, spaces).replace(/[^\n]/g, replaceWith).split('\n');
-          cm.replaceSelections(replaceWithStrings);
-        } else {
-          cm.replaceRange(replaceWithStr, curStart, curEnd);
-        }
-        if (vim.visualMode) {
-          curStart = cursorIsBefore(selections[0].anchor, selections[0].head) ?
-                        selections[0].anchor : selections[0].head;
-          cm.setCursor(curStart);
-          exitVisualMode(cm, false);
-        } else {
-          cm.setCursor(offsetCursor(curEnd, 0, -1));
-        }
-      }
-    },
-    incrementNumberToken: function(cm, actionArgs) {
-      var cur = cm.getCursor();
-      var lineStr = cm.getLine(cur.line);
-      var re = /(-?)(?:(0x)([\da-f]+)|(0b|0|)(\d+))/gi;
-      var match;
-      var start;
-      var end;
-      var numberStr;
-      while ((match = re.exec(lineStr)) !== null) {
-        start = match.index;
-        end = start + match[0].length;
-        if (cur.ch < end)break;
-      }
-      // @ts-ignore
-      if (!actionArgs.backtrack && (end <= cur.ch))return;
-      if (match) {
-        var baseStr = match[2] || match[4]
-        var digits = match[3] || match[5]
-        var increment = actionArgs.increase ? 1 : -1;
-        var base = {'0b': 2, '0': 8, '': 10, '0x': 16}[baseStr.toLowerCase()];
-        var number = parseInt(match[1] + digits, base) + (increment * actionArgs.repeat);
-        numberStr = number.toString(base);
-        var zeroPadding = baseStr ? new Array(digits.length - numberStr.length + 1 + match[1].length).join('0') : ''
-        if (numberStr.charAt(0) === '-') {
-          numberStr = '-' + baseStr + zeroPadding + numberStr.substr(1);
-        } else {
-          numberStr = baseStr + zeroPadding + numberStr;
-        }
-        // @ts-ignore
-        var from = new Pos(cur.line, start);
-        // @ts-ignore
-        var to = new Pos(cur.line, end);
-        cm.replaceRange(numberStr, from, to);
-      } else {
-        return;
-      }
-      // @ts-ignore
-      cm.setCursor(new Pos(cur.line, start + numberStr.length - 1));
-    },
-    repeatLastEdit: function(cm, actionArgs, vim) {
-      var lastEditInputState = vim.lastEditInputState;
-      if (!lastEditInputState) { return; }
-      var repeat = actionArgs.repeat;
-      if (repeat && actionArgs.repeatIsExplicit) {
-        lastEditInputState.repeatOverride = repeat;
-      } else {
-        repeat = lastEditInputState.repeatOverride || repeat;
-      }
-      repeatLastEdit(cm, vim, repeat, false /** repeatForInsert */);
-    },
-    indent: function(cm, actionArgs) {
-      cm.indentLine(cm.getCursor().line, actionArgs.indentRight);
-    },
-    exitInsertMode: function(cm, actionArgs) {
-      exitInsertMode(cm);
-    }
-  };
-
-  /** @arg {string } name  @arg {import("./types").ActionFn} fn */
-  function defineAction(name, fn) {
-    actions[name] = fn;
-  }
-
-  /*
-    * Below are miscellaneous utility functions used by vim.js
-    */
-
-  /**
-   * Clips cursor to ensure that line is within the buffer's range
-   * and is not inside surrogate pair
-   * If includeLineBreak is true, then allow cur.ch == lineLength.
-   * @arg {CodeMirrorV} cm
-   * @arg {Pos} cur
-   * @arg {Pos} [oldCur]
-   * @return {Pos}
-   */
-  function clipCursorToContent(cm, cur, oldCur) {
-    var vim = cm.state.vim;
-    var includeLineBreak = vim.insertMode || vim.visualMode;
-    var line = Math.min(Math.max(cm.firstLine(), cur.line), cm.lastLine() );
-    var text = cm.getLine(line);
-    var maxCh = text.length - 1 + Number(!!includeLineBreak);
-    var ch = Math.min(Math.max(0, cur.ch), maxCh);
-    // prevent cursor from entering surrogate pair
-    var charCode = text.charCodeAt(ch);
-    if (0xDC00 <= charCode && charCode <= 0xDFFF) {
-      var direction = 1;
-      if (oldCur && oldCur.line == line && oldCur.ch > ch) {
-        direction = -1;
-      }
-      ch +=direction;
-      if (ch > maxCh) ch -=2;
-    }
-    return new Pos(line, ch);
-  }
-  function copyArgs(args) {
-    var ret = {};
-    for (var prop in args) {
-      if (args.hasOwnProperty(prop)) {
-        ret[prop] = args[prop];
-      }
-    }
-    return ret;
-  }
-  function offsetCursor(cur, offsetLine, offsetCh) {
-    if (typeof offsetLine === 'object') {
-      offsetCh = offsetLine.ch;
-      offsetLine = offsetLine.line;
-    }
-    return new Pos(cur.line + offsetLine, cur.ch + offsetCh);
-  }
-  function commandMatches(keys, keyMap, context, inputState) {
-    // Partial matches are not applied. They inform the key handler
-    // that the current key sequence is a subsequence of a valid key
-    // sequence, so that the key buffer is not cleared.
-    if (inputState.operator) context = "operatorPending";
-    var match, partial = [], full = [];
-    // if currently expanded key comes from a noremap, searcg only in default keys
-    var startIndex = noremap ? keyMap.length - defaultKeymapLength : 0;
-    for (var i = startIndex; i < keyMap.length; i++) {
-      var command = keyMap[i];
-      if (context == 'insert' && command.context != 'insert' ||
-          (command.context && command.context != context) ||
-          inputState.operator && command.type == 'action' ||
-          !(match = commandMatch(keys, command.keys))) { continue; }
-      if (match == 'partial') { partial.push(command); }
-      if (match == 'full') { full.push(command); }
-    }
-    return {
-      partial: partial.length && partial,
-      full: full.length && full
-    };
-  }
-  /** @arg {string} pressed  @arg {string} mapped  @return {'full'|'partial'|false}*/
-  function commandMatch(pressed, mapped) {
-    const isLastCharacter = mapped.slice(-11) == '<character>';
-    const isLastRegister = mapped.slice(-10) == '<register>';
-    if (isLastCharacter || isLastRegister) {
-      // Last character matches anything.
-      var prefixLen = mapped.length - (isLastCharacter ? 11 : 10);
-      var pressedPrefix = pressed.slice(0, prefixLen);
-      var mappedPrefix = mapped.slice(0, prefixLen);
-      return pressedPrefix == mappedPrefix && pressed.length > prefixLen ? 'full' :
-              mappedPrefix.indexOf(pressedPrefix) == 0 ? 'partial' : false;
-    } else {
-      return pressed == mapped ? 'full' :
-              mapped.indexOf(pressed) == 0 ? 'partial' : false;
-    }
-  }
-  /** @arg {string} keys */
-  function lastChar(keys) {
-    var match = /^.*(<[^>]+>)$/.exec(keys);
-    var selectedCharacter = match ? match[1] : keys.slice(-1);
-    if (selectedCharacter.length > 1){
-      switch(selectedCharacter){
-        case '<CR>':
-          selectedCharacter='\n';
-          break;
-        case '<Space>':
-          selectedCharacter=' ';
-          break;
-        default:
-          selectedCharacter='';
-          break;
-      }
-    }
-    return selectedCharacter;
-  }
-  /** @arg {CodeMirror} cm   @arg {{ (cm: CodeMirror): void }} fn   @arg {number} repeat */
-  function repeatFn(cm, fn, repeat) {
-    return function() {
-      for (var i = 0; i < repeat; i++) {
-        fn(cm);
-      }
-    };
-  }
-  /** @arg {Pos} cur   @return {Pos}*/
-  function copyCursor(cur) {
-    return new Pos(cur.line, cur.ch);
-  }
-  /** @arg {Pos} cur1 @arg {Pos} cur2  @return {boolean} */
-  function cursorEqual(cur1, cur2) {
-    return cur1.ch == cur2.ch && cur1.line == cur2.line;
-  }
-  /** @arg {Pos} cur1  @arg {Pos} cur2 @return {boolean}*/
-  function cursorIsBefore(cur1, cur2) {
-    if (cur1.line < cur2.line) {
-      return true;
-    }
-    if (cur1.line == cur2.line && cur1.ch < cur2.ch) {
-      return true;
-    }
-    return false;
-  }
-  /** @arg {Pos} cur1 @arg {Pos} cur2  @return {Pos}*/
-  function cursorMin(cur1, cur2) {
-    if (arguments.length > 2) {
-      // @ts-ignore
-      cur2 = cursorMin.apply(undefined, Array.prototype.slice.call(arguments, 1));
-    }
-    return cursorIsBefore(cur1, cur2) ? cur1 : cur2;
-  }
-  /** @arg {Pos} cur1  @arg {Pos} cur2  @return {Pos} */
-  function cursorMax(cur1, cur2) {
-    if (arguments.length > 2) {
-      // @ts-ignore
-      cur2 = cursorMax.apply(undefined, Array.prototype.slice.call(arguments, 1));
-    }
-    return cursorIsBefore(cur1, cur2) ? cur2 : cur1;
-  }
-  /** @arg {Pos} cur1   @arg {Pos} cur2  @arg {Pos} cur3  @return {boolean}*/
-  function cursorIsBetween(cur1, cur2, cur3) {
-    // returns true if cur2 is between cur1 and cur3.
-    var cur1before2 = cursorIsBefore(cur1, cur2);
-    var cur2before3 = cursorIsBefore(cur2, cur3);
-    return cur1before2 && cur2before3;
-  }
-  /** @arg {CodeMirror} cm  @arg {number} lineNum */
-  function lineLength(cm, lineNum) {
-    return cm.getLine(lineNum).length;
-  }
-  /** @arg {string} s */
-  function trim(s) {
-    if (s.trim) {
-      return s.trim();
-    }
-    return s.replace(/^\s+|\s+$/g, '');
-  }
-  /** @arg {string} s */
-  function escapeRegex(s) {
-    return s.replace(/([.?*+$\[\]\/\\(){}|\-])/g, '\\$1');
-  }
-  /** @arg {CodeMirror} cm  @arg {number} lineNum  @arg {number} column */
-  function extendLineToColumn(cm, lineNum, column) {
-    var endCh = lineLength(cm, lineNum);
-    var spaces = new Array(column-endCh+1).join(' ');
-    cm.setCursor(new Pos(lineNum, endCh));
-    cm.replaceRange(spaces, cm.getCursor());
-  }
-  // This functions selects a rectangular block
-  // of text with selectionEnd as any of its corner
-  // Height of block:
-  // Difference in selectionEnd.line and first/last selection.line
-  // Width of the block:
-  // Distance between selectionEnd.ch and any(first considered here) selection.ch
-  /** @arg {CodeMirror} cm  @arg {Pos} selectionEnd */
-  function selectBlock(cm, selectionEnd) {
-    var selections = [], ranges = cm.listSelections();
-    var head = copyCursor(cm.clipPos(selectionEnd));
-    var isClipped = !cursorEqual(selectionEnd, head);
-    var curHead = cm.getCursor('head');
-    var primIndex = getIndex(ranges, curHead);
-    var wasClipped = cursorEqual(ranges[primIndex].head, ranges[primIndex].anchor);
-    var max = ranges.length - 1;
-    var index = max - primIndex > primIndex ? max : 0;
-    var base = ranges[index].anchor;
-
-    var firstLine = Math.min(base.line, head.line);
-    var lastLine = Math.max(base.line, head.line);
-    var baseCh = base.ch, headCh = head.ch;
-
-    var dir = ranges[index].head.ch - baseCh;
-    var newDir = headCh - baseCh;
-    if (dir > 0 && newDir <= 0) {
-      baseCh++;
-      if (!isClipped) { headCh--; }
-    } else if (dir < 0 && newDir >= 0) {
-      baseCh--;
-      if (!wasClipped) { headCh++; }
-    } else if (dir < 0 && newDir == -1) {
-      baseCh--;
-      headCh++;
-    }
-    for (var line = firstLine; line <= lastLine; line++) {
-      var range = {anchor: new Pos(line, baseCh), head: new Pos(line, headCh)};
-      selections.push(range);
-    }
-    cm.setSelections(selections);
-    selectionEnd.ch = headCh;
-    base.ch = baseCh;
-    return base;
-  }
-  /** @arg {CodeMirror} cm  @arg {any} head  @arg {number} height */
-  function selectForInsert(cm, head, height) {
-    var sel = [];
-    for (var i = 0; i < height; i++) {
-      var lineHead = offsetCursor(head, i, 0);
-      sel.push({anchor: lineHead, head: lineHead});
-    }
-    cm.setSelections(sel, 0);
-  }
-  // getIndex returns the index of the cursor in the selections.
-  /** @arg {string | any[]} ranges  @arg {any} cursor  @arg {string | undefined} [end] */
-  function getIndex(ranges, cursor, end) {
-    for (var i = 0; i < ranges.length; i++) {
-      var atAnchor = end != 'head' && cursorEqual(ranges[i].anchor, cursor);
-      var atHead = end != 'anchor' && cursorEqual(ranges[i].head, cursor);
-      if (atAnchor || atHead) {
-        return i;
-      }
-    }
-    return -1;
-  }
-  /** @arg {CodeMirror} cm  @arg {vimState} vim */
-  function getSelectedAreaRange(cm, vim) {
-    var lastSelection = vim.lastSelection;
-    /** @return {[Pos,Pos]} */
-    var getCurrentSelectedAreaRange = function() {
-      var selections = cm.listSelections();
-      var start =  selections[0];
-      var end = selections[selections.length-1];
-      var selectionStart = cursorIsBefore(start.anchor, start.head) ? start.anchor : start.head;
-      var selectionEnd = cursorIsBefore(end.anchor, end.head) ? end.head : end.anchor;
-      return [selectionStart, selectionEnd];
-    };
-    var getLastSelectedAreaRange = function() {
-      var selectionStart = cm.getCursor();
-      var selectionEnd = cm.getCursor();
-      var block = lastSelection.visualBlock;
-      if (block) {
-        var width = block.width;
-        var height = block.height;
-        selectionEnd = new Pos(selectionStart.line + height, selectionStart.ch + width);
-        var selections = [];
-        // selectBlock creates a 'proper' rectangular block.
-        // We do not want that in all cases, so we manually set selections.
-        for (var i = selectionStart.line; i < selectionEnd.line; i++) {
-          var anchor = new Pos(i, selectionStart.ch);
-          var head = new Pos(i, selectionEnd.ch);
-          var range = {anchor: anchor, head: head};
-          selections.push(range);
-        }
-        cm.setSelections(selections);
-      } else {
-        var start = lastSelection.anchorMark.find();
-        var end = lastSelection.headMark.find();
-        var line = end.line - start.line;
-        var ch = end.ch - start.ch;
-        selectionEnd = {line: selectionEnd.line + line, ch: line ? selectionEnd.ch : ch + selectionEnd.ch};
-        if (lastSelection.visualLine) {
-          selectionStart = new Pos(selectionStart.line, 0);
-          selectionEnd = new Pos(selectionEnd.line, lineLength(cm, selectionEnd.line));
-        }
-        cm.setSelection(selectionStart, selectionEnd);
-      }
-      return [selectionStart, selectionEnd];
-    };
-    if (!vim.visualMode) {
-    // In case of replaying the action.
-      return getLastSelectedAreaRange();
-    } else {
-      return getCurrentSelectedAreaRange();
-    }
-  }
-  // Updates the previous selection with the current selection's values. This
-  // should only be called in visual mode.
-  /** @arg {CodeMirror} cm @arg {vimState} vim */
-  function updateLastSelection(cm, vim) {
-    var anchor = vim.sel.anchor;
-    var head = vim.sel.head;
-    // To accommodate the effect of lastPastedText in the last selection
-    if (vim.lastPastedText) {
-      head = cm.posFromIndex(cm.indexFromPos(anchor) + vim.lastPastedText.length);
-      vim.lastPastedText = null;
-    }
-    vim.lastSelection = {'anchorMark': cm.setBookmark(anchor),
-                          'headMark': cm.setBookmark(head),
-                          'anchor': copyCursor(anchor),
-                          'head': copyCursor(head),
-                          'visualMode': vim.visualMode,
-                          'visualLine': vim.visualLine,
-                          'visualBlock': vim.visualBlock};
-  }
-  /** @arg {CodeMirrorV} cm @arg {Pos} start @arg {Pos} end @returns {[Pos, Pos]} */
-  function expandSelection(cm, start, end, move) {
-    var sel = cm.state.vim.sel;
-    var head = move ? start: sel.head;
-    var anchor = move ? start: sel.anchor;
-    var tmp;
-    if (cursorIsBefore(end, start)) {
-      tmp = end;
-      end = start;
-      start = tmp;
-    }
-    if (cursorIsBefore(head, anchor)) {
-      head = cursorMin(start, head);
-      anchor = cursorMax(anchor, end);
-    } else {
-      anchor = cursorMin(start, anchor);
-      head = cursorMax(head, end);
-      head = offsetCursor(head, 0, -1);
-      if (head.ch == -1 && head.line != cm.firstLine()) {
-        head = new Pos(head.line - 1, lineLength(cm, head.line - 1));
-      }
-    }
-    return [anchor, head];
-  }
-  /**
-   * Updates the CodeMirror selection to match the provided vim selection.
-   * If no arguments are given, it uses the current vim selection state.
-   * @arg {CodeMirrorV} cm
-   * @arg {vimState["sel"]} [sel]
-   * @arg {"char"|"line"|"block" | undefined} [mode]
-   */
-  function updateCmSelection(cm, sel, mode) {
-    var vim = cm.state.vim;
-    sel = sel || vim.sel;
-    if (!mode) {
-      mode = vim.visualLine ? 'line' : vim.visualBlock ? 'block' : 'char';
-    }
-    var cmSel = makeCmSelection(cm, sel, mode);
-    cm.setSelections(cmSel.ranges, cmSel.primary);
-  }
-  /**
-   * @arg {CodeMirror} cm
-   * @arg {import("./types").CM5RangeInterface} sel
-   * @arg {"char"|"line"|"block"} mode
-   * @arg {boolean|undefined} [exclusive]
-   * @return {{ranges: any, primary: number}}
-   */
-  function makeCmSelection(cm, sel, mode, exclusive) {
-    var head = copyCursor(sel.head);
-    var anchor = copyCursor(sel.anchor);
-    if (mode == 'char') {
-      var headOffset = !exclusive && !cursorIsBefore(sel.head, sel.anchor) ? 1 : 0;
-      var anchorOffset = cursorIsBefore(sel.head, sel.anchor) ? 1 : 0;
-      head = offsetCursor(sel.head, 0, headOffset);
-      anchor = offsetCursor(sel.anchor, 0, anchorOffset);
-      return {
-        ranges: [{anchor: anchor, head: head}],
-        primary: 0
-      };
-    } else if (mode == 'line') {
-      if (!cursorIsBefore(sel.head, sel.anchor)) {
-        anchor.ch = 0;
-
-        var lastLine = cm.lastLine();
-        if (head.line > lastLine) {
-          head.line = lastLine;
-        }
-        head.ch = lineLength(cm, head.line);
-      } else {
-        head.ch = 0;
-        anchor.ch = lineLength(cm, anchor.line);
-      }
-      return {
-        ranges: [{anchor: anchor, head: head}],
-        primary: 0
-      };
-    } else if (mode == 'block') {
-      var top = Math.min(anchor.line, head.line),
-          fromCh = anchor.ch,
-          bottom = Math.max(anchor.line, head.line),
-          toCh = head.ch;
-      if (fromCh < toCh) { toCh += 1 }
-      else { fromCh += 1 };
-      var height = bottom - top + 1;
-      var primary = head.line == top ? 0 : height - 1;
-      var ranges = [];
-      for (var i = 0; i < height; i++) {
-        ranges.push({
-          anchor: new Pos(top + i, fromCh),
-          head: new Pos(top + i, toCh)
-        });
-      }
-      return {
-        ranges: ranges,
-        primary: primary
-      };
-    }
-    throw "never happens";
-  }
-  /** @arg {CodeMirror} cm */
-  function getHead(cm) {
-    var cur = cm.getCursor('head');
-    if (cm.getSelection().length == 1) {
-      // Small corner case when only 1 character is selected. The "real"
-      // head is the left of head and anchor.
-      cur = cursorMin(cur, cm.getCursor('anchor'));
-    }
-    return cur;
-  }
-
-  /**
-   * If moveHead is set to false, the CodeMirror selection will not be
-   * touched. The caller assumes the responsibility of putting the cursor
-   * in the right place.
-   * @arg {CodeMirrorV} cm
-   * @arg {boolean} [moveHead]
-   */
-  function exitVisualMode(cm, moveHead) {
-    var vim = cm.state.vim;
-    if (moveHead !== false) {
-      cm.setCursor(clipCursorToContent(cm, vim.sel.head));
-    }
-    updateLastSelection(cm, vim);
-    vim.visualMode = false;
-    vim.visualLine = false;
-    vim.visualBlock = false;
-    if (!vim.insertMode) CodeMirror.signal(cm, "vim-mode-change", {mode: "normal"});
-  }
-
-  /**
-   * Remove any trailing newlines from the selection. For
-   * example, with the caret at the start of the last word on the line,
-   * 'dw' should word, but not the newline, while 'w' should advance the
-   * caret to the first character of the next line.
-   * @arg {CodeMirror} cm
-   * @arg {Pos} curStart
-   * @arg {Pos} curEnd
-   */
-  function clipToLine(cm, curStart, curEnd) {
-    var selection = cm.getRange(curStart, curEnd);
-    // Only clip if the selection ends with trailing newline + whitespace
-    if (/\n\s*$/.test(selection)) {
-      var lines = selection.split('\n');
-      // We know this is all whitespace.
-      lines.pop();
-
-      // Cases:
-      // 1. Last word is an empty line - do not clip the trailing '\n'
-      // 2. Last word is not an empty line - clip the trailing '\n'
-      // Find the line containing the last word, and clip all whitespace up
-      // to it.
-      for (var line = lines.pop(); lines.length > 0 && line && isWhiteSpaceString(line); line = lines.pop()) {
-        curEnd.line--;
-        curEnd.ch = 0;
-      }
-      // If the last word is not an empty line, clip an additional newline
-      if (line) {
-        curEnd.line--;
-        curEnd.ch = lineLength(cm, curEnd.line);
-      } else {
-        curEnd.ch = 0;
-      }
-    }
-  }
-
-  // Expand the selection to line ends.
-  /** @arg {CodeMirror} _cm  @arg {Pos} curStart  @arg {Pos} curEnd */
-  function expandSelectionToLine(_cm, curStart, curEnd) {
-    curStart.ch = 0;
-    curEnd.ch = 0;
-    curEnd.line++;
-  }
-
-  /** @arg {string} [text] */
-  function findFirstNonWhiteSpaceCharacter(text) {
-    if (!text) {
-      return 0;
-    }
-    var firstNonWS = text.search(/\S/);
-    return firstNonWS == -1 ? text.length : firstNonWS;
-  }
-
-  /**
-   * @arg {CodeMirror} cm
-   * @arg {{inclusive?: boolean, innerWord?: boolean, bigWord?: boolean, noSymbol?: boolean, multiline?: boolean}} options
-   * @arg {Pos} [cursor]
-   **/
-  function expandWordUnderCursor(cm, {inclusive, innerWord, bigWord, noSymbol, multiline}, cursor) {
-    var cur = cursor || getHead(cm);
-    var line = cm.getLine(cur.line);
-    var endLine = line;
-    var startLineNumber = cur.line
-    var endLineNumber = startLineNumber;
-    var idx = cur.ch;
-
-    var wordOnNextLine;
-    // Seek to first word or non-whitespace character, depending on if
-    // noSymbol is true.
-    var test = noSymbol ? wordCharTest[0] : bigWordCharTest [0];
-    if (innerWord && /\s/.test(line.charAt(idx))) {
-      test = function(/** @type {string} */ ch) { return /\s/.test(ch); };
-    } else {
-      while (!test(line.charAt(idx))) {
-        idx++;
-        if (idx >= line.length) {
-          if (!multiline) return null;
-          idx--;
-          wordOnNextLine = findWord(cm, cur, true, bigWord, true);
-          break
-        }
-      }
-
-      if (bigWord) {
-        test = bigWordCharTest[0];
-      } else {
-        test = wordCharTest[0];
-        if (!test(line.charAt(idx))) {
-          test = wordCharTest[1];
-        }
-      }
-    }
-
-    var end = idx, start = idx;
-    while (test(line.charAt(start)) && start >= 0) { start--; }
-    start++;
-    if (wordOnNextLine) {
-      end = wordOnNextLine.to;
-      endLineNumber = wordOnNextLine.line;
-      endLine = cm.getLine(endLineNumber);
-      if (!endLine && end == 0) end++;
-    } else {
-      while (test(line.charAt(end)) && end < line.length) { end++; }
-    }
-
-    if (inclusive) {
-      // If present, include all whitespace after word.
-      // Otherwise, include all whitespace before word, except indentation.
-      var wordEnd = end;
-      var startsWithSpace = cur.ch <= start && /\s/.test(line.charAt(cur.ch));
-      if (!startsWithSpace) {
-        while (/\s/.test(endLine.charAt(end)) && end < endLine.length) { end++; }
-      }
-      if (wordEnd == end || startsWithSpace) {
-        var wordStart = start;
-        while (/\s/.test(line.charAt(start - 1)) && start > 0) { start--; }
-        if (!start && !startsWithSpace) { start = wordStart; }
-      }
-    }
-
-    return { start: new Pos(startLineNumber, start), end: new Pos(endLineNumber, end) };
-  }
-
-  /**
-   * Depends on the following:
-   *
-   * - editor mode should be htmlmixedmode / xml
-   * - mode/xml/xml.js should be loaded
-   * - addon/fold/xml-fold.js should be loaded
-   *
-   * If any of the above requirements are not true, this function noops.
-   *
-   * This is _NOT_ a 100% accurate implementation of vim tag text objects.
-   * The following caveats apply (based off cursory testing, I'm sure there
-   * are other discrepancies):
-   *
-   * - Does not work inside comments:
-   *   ```
-   *   <!-- <div>broken</div> -->
-   *   ```
-   * - Does not work when tags have different cases:
-   *   ```
-   *   <div>broken</DIV>
-   *   ```
-   * - Does not work when cursor is inside a broken tag:
-   *   ```
-   *   <div><brok><en></div>
-   *   ```
-   * @arg {CodeMirror} cm
-   * @arg {Pos} head
-   * @arg {boolean} [inclusive]
-   */
-  function expandTagUnderCursor(cm, head, inclusive) {
-    var cur = head;
-    if (!CodeMirror.findMatchingTag || !CodeMirror.findEnclosingTag) {
-      return { start: cur, end: cur };
-    }
-
-    var tags = CodeMirror.findMatchingTag(cm, head) || CodeMirror.findEnclosingTag(cm, head);
-    if (!tags || !tags.open || !tags.close) {
-      return { start: cur, end: cur };
-    }
-
-    if (inclusive) {
-      return { start: tags.open.from, end: tags.close.to };
-    }
-    return { start: tags.open.to, end: tags.close.from };
-  }
-
-  /** @arg {CodeMirror} cm @arg {Pos} oldCur @arg {Pos} newCur */
-  function recordJumpPosition(cm, oldCur, newCur) {
-    if (!cursorEqual(oldCur, newCur)) {
-      vimGlobalState.jumpList.add(cm, oldCur, newCur);
-    }
-  }
-
-  /** @arg {number} increment  @arg {{ forward?: any; selectedCharacter?: any; }} args */
-  function recordLastCharacterSearch(increment, args) {
-      vimGlobalState.lastCharacterSearch.increment = increment;
-      vimGlobalState.lastCharacterSearch.forward = args.forward;
-      vimGlobalState.lastCharacterSearch.selectedCharacter = args.selectedCharacter;
-  }
-
-  var symbolToMode = {
-      '(': 'bracket', ')': 'bracket', '{': 'bracket', '}': 'bracket',
-      '[': 'section', ']': 'section',
-      '*': 'comment', '/': 'comment',
-      'm': 'method', 'M': 'method',
-      '#': 'preprocess'
-  };
-  var findSymbolModes = {
-    bracket: {
-      isComplete: function(state) {
-        if (state.nextCh === state.symb) {
-          state.depth++;
-          if (state.depth >= 1)return true;
-        } else if (state.nextCh === state.reverseSymb) {
-          state.depth--;
-        }
-        return false;
-      }
-    },
-    section: {
-      init: function(state) {
-        state.curMoveThrough = true;
-        state.symb = (state.forward ? ']' : '[') === state.symb ? '{' : '}';
-      },
-      isComplete: function(state) {
-        return state.index === 0 && state.nextCh === state.symb;
-      }
-    },
-    comment: {
-      isComplete: function(state) {
-        var found = state.lastCh === '*' && state.nextCh === '/';
-        state.lastCh = state.nextCh;
-        return found;
-      }
-    },
-    // TODO: The original Vim implementation only operates on level 1 and 2.
-    // The current implementation doesn't check for code block level and
-    // therefore it operates on any levels.
-    method: {
-      init: function(state) {
-        state.symb = (state.symb === 'm' ? '{' : '}');
-        state.reverseSymb = state.symb === '{' ? '}' : '{';
-      },
-      isComplete: function(state) {
-        if (state.nextCh === state.symb)return true;
-        return false;
-      }
-    },
-    preprocess: {
-      init: function(state) {
-        state.index = 0;
-      },
-      isComplete: function(state) {
-        if (state.nextCh === '#') {
-          var token = state.lineText.match(/^#(\w+)/)[1];
-          if (token === 'endif') {
-            if (state.forward && state.depth === 0) {
-              return true;
-            }
-            state.depth++;
-          } else if (token === 'if') {
-            if (!state.forward && state.depth === 0) {
-              return true;
-            }
-            state.depth--;
-          }
-          if (token === 'else' && state.depth === 0)return true;
-        }
-        return false;
-      }
-    }
-  };
-  /** @arg {CodeMirrorV} cm  @arg {number} repeat  @arg {boolean|undefined} forward  @arg {string} symb */
-  function findSymbol(cm, repeat, forward, symb) {
-    var cur = copyCursor(cm.getCursor());
-    var increment = forward ? 1 : -1;
-    var endLine = forward ? cm.lineCount() : -1;
-    var curCh = cur.ch;
-    var line = cur.line;
-    var lineText = cm.getLine(line);
-    var state = {
-      lineText: lineText,
-      nextCh: lineText.charAt(curCh),
-      lastCh: null,
-      index: curCh,
-      symb: symb,
-      reverseSymb: (forward ?  { ')': '(', '}': '{' } : { '(': ')', '{': '}' })[symb],
-      forward: forward,
-      depth: 0,
-      curMoveThrough: false
-    };
-    var mode = symbolToMode[symb];
-    if (!mode)return cur;
-    var init = findSymbolModes[mode].init;
-    var isComplete = findSymbolModes[mode].isComplete;
-    if (init) { init(state); }
-    while (line !== endLine && repeat) {
-      state.index += increment;
-      state.nextCh = state.lineText.charAt(state.index);
-      if (!state.nextCh) {
-        line += increment;
-        state.lineText = cm.getLine(line) || '';
-        if (increment > 0) {
-          state.index = 0;
-        } else {
-          var lineLen = state.lineText.length;
-          state.index = (lineLen > 0) ? (lineLen-1) : 0;
-        }
-        state.nextCh = state.lineText.charAt(state.index);
-      }
-      if (isComplete(state)) {
-        cur.line = line;
-        cur.ch = state.index;
-        repeat--;
-      }
-    }
-    if (state.nextCh || state.curMoveThrough) {
-      return new Pos(line, state.index);
-    }
-    return cur;
-  }
-
-  /*
-    * Returns the boundaries of the next word. If the cursor in the middle of
-    * the word, then returns the boundaries of the current word, starting at
-    * the cursor. If the cursor is at the start/end of a word, and we are going
-    * forward/backward, respectively, find the boundaries of the next word.
-    *
-    * @arg {CodeMirror} cm CodeMirror object.
-    * @arg {Cursor} cur The cursor position.
-    * @arg {boolean} forward True to search forward. False to search
-    *     backward.
-    * @arg {boolean} bigWord True if punctuation count as part of the word.
-    *     False if only [a-zA-Z0-9] characters count as part of the word.
-    * @arg {boolean} emptyLineIsWord True if empty lines should be treated
-    *     as words.
-    * @return {Object{from:number, to:number, line: number}} The boundaries of
-    *     the word, or null if there are no more words.
-    */
-  function findWord(cm, cur, forward, bigWord, emptyLineIsWord) {
-    var lineNum = cur.line;
-    var pos = cur.ch;
-    var line = cm.getLine(lineNum);
-    var dir = forward ? 1 : -1;
-    var charTests = bigWord ? bigWordCharTest: wordCharTest;
-
-    if (emptyLineIsWord && line == '') {
-      lineNum += dir;
-      line = cm.getLine(lineNum);
-      if (!isLine(cm, lineNum)) {
-        return null;
-      }
-      pos = (forward) ? 0 : line.length;
-    }
-
-    while (true) {
-      if (emptyLineIsWord && line == '') {
-        return { from: 0, to: 0, line: lineNum };
-      }
-      var stop = (dir > 0) ? line.length : -1;
-      var wordStart = stop, wordEnd = stop;
-      // Find bounds of next word.
-      while (pos != stop) {
-        var foundWord = false;
-        for (var i = 0; i < charTests.length && !foundWord; ++i) {
-          if (charTests[i](line.charAt(pos))) {
-            wordStart = pos;
-            // Advance to end of word.
-            while (pos != stop && charTests[i](line.charAt(pos))) {
-              pos += dir;
-            }
-            wordEnd = pos;
-            foundWord = wordStart != wordEnd;
-            if (wordStart == cur.ch && lineNum == cur.line &&
-                wordEnd == wordStart + dir) {
-              // We started at the end of a word. Find the next one.
-              continue;
-            } else {
-              return {
-                from: Math.min(wordStart, wordEnd + 1),
-                to: Math.max(wordStart, wordEnd),
-                line: lineNum };
-            }
-          }
-        }
-        if (!foundWord) {
-          pos += dir;
-        }
-      }
-      // Advance to next/prev line.
-      lineNum += dir;
-      if (!isLine(cm, lineNum)) {
-        return null;
-      }
-      line = cm.getLine(lineNum);
-      pos = (dir > 0) ? 0 : line.length;
-    }
-  }
-
-  /**
-   * @arg {CodeMirror} cm CodeMirror object.
-   * @arg {Pos} cur The position to start from.
-   * @arg {number} repeat Number of words to move past.
-   * @arg {boolean} forward True to search forward. False to search
-   *     backward.
-   * @arg {boolean} wordEnd True to move to end of word. False to move to
-   *     beginning of word.
-   * @arg {boolean} bigWord True if punctuation count as part of the word.
-   *     False if only alphabet characters count as part of the word.
-   * @return {Pos|undefined} The position the cursor should move to.
-   */
-  function moveToWord(cm, cur, repeat, forward, wordEnd, bigWord) {
-    var curStart = copyCursor(cur);
-    var words = [];
-    if (forward && !wordEnd || !forward && wordEnd) {
-      repeat++;
-    }
-    // For 'e', empty lines are not considered words, go figure.
-    var emptyLineIsWord = !(forward && wordEnd);
-    for (var i = 0; i < repeat; i++) {
-      var word = findWord(cm, cur, forward, bigWord, emptyLineIsWord);
-      if (!word) {
-        var eodCh = lineLength(cm, cm.lastLine());
-        words.push(forward
-            ? {line: cm.lastLine(), from: eodCh, to: eodCh}
-            : {line: 0, from: 0, to: 0});
-        break;
-      }
-      words.push(word);
-      cur = new Pos(word.line, forward ? (word.to - 1) : word.from);
-    }
-    var shortCircuit = words.length != repeat;
-    var firstWord = words[0];
-    var lastWord = words.pop();
-    if (forward && !wordEnd) {
-      // w
-      if (!shortCircuit && (firstWord.from != curStart.ch || firstWord.line != curStart.line)) {
-        // We did not start in the middle of a word. Discard the extra word at the end.
-        lastWord = words.pop();
-      }
-      return lastWord && new Pos(lastWord.line, lastWord.from);
-    } else if (forward && wordEnd) {
-      return lastWord && new Pos(lastWord.line, lastWord.to - 1);
-    } else if (!forward && wordEnd) {
-      // ge
-      if (!shortCircuit && (firstWord.to != curStart.ch || firstWord.line != curStart.line)) {
-        // We did not start in the middle of a word. Discard the extra word at the end.
-        lastWord = words.pop();
-      }
-      return lastWord && new Pos(lastWord.line, lastWord.to);
-    } else {
-      // b
-      return lastWord && new Pos(lastWord.line, lastWord.from);
-    }
-  }
-
-  /**
-   * @arg {CodeMirror} cm
-   * @arg {Pos} head
-   * @arg {MotionArgs} motionArgs
-   * @arg {vimState} vim
-   * @arg {boolean} keepHPos */
-  function moveToEol(cm, head, motionArgs, vim, keepHPos) {
-    var cur = head;
-    var retval= new Pos(cur.line + motionArgs.repeat - 1, Infinity);
-    var end=cm.clipPos(retval);
-    end.ch--;
-    if (!keepHPos) {
-      vim.lastHPos = Infinity;
-      vim.lastHSPos = cm.charCoords(end,'div').left;
-    }
-    return retval;
-  }
-
-  /**
-   * @arg {CodeMirror} cm
-   * @arg {number} repeat
-   * @arg {boolean} [forward]
-   * @arg {string} [character]
-   * @arg {Pos} [head]
-   */
-  function moveToCharacter(cm, repeat, forward, character, head) {
-    if (!character) return;
-    var cur = head || cm.getCursor();
-    var start = cur.ch;
-    var idx;
-    for (var i = 0; i < repeat; i ++) {
-      var line = cm.getLine(cur.line);
-      idx = charIdxInLine(start, line, character, forward, true);
-      if (idx == -1) {
-        return undefined;
-      }
-      start = idx;
-    }
-    if (idx != undefined)
-      return new Pos(cm.getCursor().line, idx);
-  }
-
-  /** @arg {CodeMirrorV} cm @arg {number} repeat */
-  function moveToColumn(cm, repeat) {
-    // repeat is always >= 1, so repeat - 1 always corresponds
-    // to the column we want to go to.
-    var line = cm.getCursor().line;
-    return clipCursorToContent(cm, new Pos(line, repeat - 1));
-  }
-
-  /**
-   * @arg {CodeMirror} cm
-   * @arg {vimState} vim
-   * @arg {string} markName
-   * @arg {Pos} pos */
-  function updateMark(cm, vim, markName, pos) {
-    if (!inArray(markName, validMarks) && !latinCharRegex.test(markName)) {
-      return;
-    }
-    if (vim.marks[markName]) {
-      vim.marks[markName].clear();
-    }
-    vim.marks[markName] = cm.setBookmark(pos);
-  }
-
-  /**
-   * @arg {number} start
-   * @arg {string | any[]} line
-   * @arg {any} character
-   * @arg {boolean} [forward]
-   * @arg {boolean} [includeChar] */
-  function charIdxInLine(start, line, character, forward, includeChar) {
-    // Search for char in line.
-    // motion_options: {forward, includeChar}
-    // If includeChar = true, include it too.
-    // If forward = true, search forward, else search backwards.
-    // If char is not found on this line, do nothing
-    var idx;
-    if (forward) {
-      idx = line.indexOf(character, start + 1);
-      if (idx != -1 && !includeChar) {
-        idx -= 1;
-      }
-    } else {
-      idx = line.lastIndexOf(character, start - 1);
-      if (idx != -1 && !includeChar) {
-        idx += 1;
-      }
-    }
-    return idx;
-  }
-
-  /** @arg {CodeMirrorV} cm
-   * @arg {Pos} head
-   * @arg {number} repeat
-   * @arg {number} dir
-   * @arg {boolean} [inclusive] */
-  function findParagraph(cm, head, repeat, dir, inclusive) {
-    var line = head.line;
-    var min = cm.firstLine();
-    var max = cm.lastLine();
-    var start, end, i = line;
-    /** @arg {number} i */
-    function isEmpty(i) { return !cm.getLine(i); }
-    /** @arg {number} i @arg {number} dir @arg {boolean} [any] */
-    function isBoundary(i, dir, any) {
-      if (any) { return isEmpty(i) != isEmpty(i + dir); }
-      return !isEmpty(i) && isEmpty(i + dir);
-    }
-    if (dir) {
-      while (min <= i && i <= max && repeat > 0) {
-        if (isBoundary(i, dir)) { repeat--; }
-        i += dir;
-      }
-      return {start: new Pos(i, 0), end: head};
-    }
-
-    var vim = cm.state.vim;
-    if (vim.visualLine && isBoundary(line, 1, true)) {
-      var anchor = vim.sel.anchor;
-      if (isBoundary(anchor.line, -1, true)) {
-        if (!inclusive || anchor.line != line) {
-          line += 1;
-        }
-      }
-    }
-    var startState = isEmpty(line);
-    for (i = line; i <= max && repeat; i++) {
-      if (isBoundary(i, 1, true)) {
-        if (!inclusive || isEmpty(i) != startState) {
-          repeat--;
-        }
-      }
-    }
-    end = new Pos(i, 0);
-    // select boundary before paragraph for the last one
-    if (i > max && !startState) { startState = true; }
-    else { inclusive = false; }
-    for (i = line; i > min; i--) {
-      if (!inclusive || isEmpty(i) == startState || i == line) {
-        if (isBoundary(i, -1, true)) { break; }
-      }
-    }
-    start = new Pos(i, 0);
-    return { start: start, end: end };
-  }
-
-  /**
-   * Based on {@link findSentence}. The internal functions have the same names,
-   * but their behaviour is different. findSentence() crosses line breaks and
-   * is used for jumping to sentence beginnings before or after the current cursor position,
-   * whereas getSentence() is for getting the beginning or end of the sentence
-   * at the current cursor position, either including (a) or excluding (i) whitespace.
-   * @arg {CodeMirror} cm
-   * @arg {Pos} cur
-   * @arg {number} repeat
-   * @arg {number} dir
-   * @arg {boolean} inclusive
-   */
-  function getSentence(cm, cur, repeat, dir, inclusive /*includes whitespace*/) {
-
-    /*
-      Takes an index object
-      {
-        line: the line string,
-        ln: line number,
-        pos: index in line,
-        dir: direction of traversal (-1 or 1)
-      }
-      and modifies the pos member to represent the
-      next valid position or sets the line to null if there are
-      no more valid positions.
-      */
-    function nextChar(curr) {
-      if (curr.pos + curr.dir < 0 || curr.pos + curr.dir >= curr.line.length) {
-        curr.line = null;
-      }
-      else {
-        curr.pos += curr.dir;
-      }
-    }
-    /*
-      Performs one iteration of traversal in forward direction
-      Returns an index object of the sentence end
-      */
-    function forward(cm, ln, pos, dir) {
-      var line = cm.getLine(ln);
-
-      var curr = {
-        line: line,
-        ln: ln,
-        pos: pos,
-        dir: dir,
-      };
-
-      if (curr.line === "") {
-        return { ln: curr.ln, pos: curr.pos };
-      }
-
-      var lastSentencePos = curr.pos;
-
-      // Move one step to skip character we start on
-      nextChar(curr);
-
-      while (curr.line !== null) {
-        lastSentencePos = curr.pos;
-        if (isEndOfSentenceSymbol(curr.line[curr.pos])) {
-          if (!inclusive) {
-            return { ln: curr.ln, pos: curr.pos + 1 };
-          }
-          else {
-            nextChar(curr);
-            while (curr.line !== null ) {
-              if (isWhiteSpaceString(curr.line[curr.pos])) {
-                lastSentencePos = curr.pos;
-                nextChar(curr)
-              }
-              else {
-                break;
-              }
-            }
-            return { ln: curr.ln, pos: lastSentencePos + 1 };
-          }
-        }
-        nextChar(curr);
-      }
-      return { ln: curr.ln, pos: lastSentencePos + 1 };
-    }
-
-    /**
-     * Performs one iteration of traversal in reverse direction
-     * Returns an index object of the sentence start
-     * @arg {CodeMirror} cm
-     * @arg {number} ln
-     * @arg {number} pos
-     * @arg {number} dir
-     */
-    function reverse(cm, ln, pos, dir) {
-      var line = cm.getLine(ln);
-
-      var curr = {
-        line: line,
-        ln: ln,
-        pos: pos,
-        dir: dir,
-      }
-
-      if (curr.line === "") {
-        return { ln: curr.ln, pos: curr.pos };
-      }
-
-      var lastSentencePos = curr.pos;
-
-      // Move one step to skip character we start on
-      nextChar(curr);
-
-      while (curr.line !== null) {
-        if (!isWhiteSpaceString(curr.line[curr.pos]) && !isEndOfSentenceSymbol(curr.line[curr.pos])) {
-          lastSentencePos = curr.pos;
-        }
-
-        else if (isEndOfSentenceSymbol(curr.line[curr.pos]) ) {
-          if (!inclusive) {
-            return { ln: curr.ln, pos: lastSentencePos };
-          }
-          else {
-            if (isWhiteSpaceString(curr.line[curr.pos + 1])) {
-              return { ln: curr.ln, pos: curr.pos + 1 };
-            }
-            else {
-              return { ln: curr.ln, pos: lastSentencePos };
-            }
-          }
-        }
-
-        nextChar(curr);
-      }
-      curr.line = line
-      if (inclusive && isWhiteSpaceString(curr.line[curr.pos])) {
-        return { ln: curr.ln, pos: curr.pos };
-      }
-      else {
-        return { ln: curr.ln, pos: lastSentencePos };
-      }
-
-    }
-
-    var curr_index = {
-      ln: cur.line,
-      pos: cur.ch,
-    };
-
-    while (repeat > 0) {
-      if (dir < 0) {
-        curr_index = reverse(cm, curr_index.ln, curr_index.pos, dir);
-      }
-      else {
-        curr_index = forward(cm, curr_index.ln, curr_index.pos, dir);
-      }
-      repeat--;
-    }
-
-    return new Pos(curr_index.ln, curr_index.pos);
-  }
-
-  function findSentence(cm, cur, repeat, dir) {
-
-      /*
-        Takes an index object
-        {
-          line: the line string,
-          ln: line number,
-          pos: index in line,
-          dir: direction of traversal (-1 or 1)
-        }
-        and modifies the line, ln, and pos members to represent the
-        next valid position or sets them to null if there are
-        no more valid positions.
-      */
-    function nextChar(cm, idx) {
-      if (idx.pos + idx.dir < 0 || idx.pos + idx.dir >= idx.line.length) {
-        idx.ln += idx.dir;
-        if (!isLine(cm, idx.ln)) {
-          idx.line = null;
-          idx.ln = null;
-          idx.pos = null;
-          return;
-        }
-        idx.line = cm.getLine(idx.ln);
-        idx.pos = (idx.dir > 0) ? 0 : idx.line.length - 1;
-      }
-      else {
-        idx.pos += idx.dir;
-      }
-    }
-
-    /*
-      Performs one iteration of traversal in forward direction
-      Returns an index object of the new location
-      */
-    /** @arg {CodeMirror} cm @arg {number} ln  @arg {number} pos  @arg {number} dir */
-    function forward(cm, ln, pos, dir) {
-      var line = cm.getLine(ln);
-      var stop = (line === "");
-
-      var curr = {
-        line: line,
-        ln: ln,
-        pos: pos,
-        dir: dir,
-      }
-
-      var last_valid = {
-        ln: curr.ln,
-        pos: curr.pos,
-      }
-
-      var skip_empty_lines = (curr.line === "");
-
-      // Move one step to skip character we start on
-      nextChar(cm, curr);
-
-      while (curr.line !== null) {
-        last_valid.ln = curr.ln;
-        last_valid.pos = curr.pos;
-
-        if (curr.line === "" && !skip_empty_lines) {
-          return { ln: curr.ln, pos: curr.pos, };
-        }
-        else if (stop && curr.line !== "" && !isWhiteSpaceString(curr.line[curr.pos])) {
-          return { ln: curr.ln, pos: curr.pos, };
-        }
-        else if (isEndOfSentenceSymbol(curr.line[curr.pos])
-          && !stop
-          && (curr.pos === curr.line.length - 1
-            || isWhiteSpaceString(curr.line[curr.pos + 1]))) {
-          stop = true;
-        }
-
-        nextChar(cm, curr);
-      }
-
-      /*
-        Set the position to the last non whitespace character on the last
-        valid line in the case that we reach the end of the document.
-      */
-      var line = cm.getLine(last_valid.ln);
-      last_valid.pos = 0;
-      for(var i = line.length - 1; i >= 0; --i) {
-        if (!isWhiteSpaceString(line[i])) {
-          last_valid.pos = i;
-          break;
-        }
-      }
-
-      return last_valid;
-
-    }
-
-    /*
-      Performs one iteration of traversal in reverse direction
-      Returns an index object of the new location
-      */
-    /** @arg {CodeMirror} cm  @arg {number} ln  @arg {number} pos  @arg {number} dir */
-    function reverse(cm, ln, pos, dir) {
-      var line = cm.getLine(ln);
-
-      var curr = {
-        line: line,
-        ln: ln,
-        pos: pos,
-        dir: dir,
-      }
-
-      /** @type {{ln: number, pos: number|null}} */
-      var last_valid = {
-        ln: curr.ln,
-        pos: null,
-      };
-
-      var skip_empty_lines = (curr.line === "");
-
-      // Move one step to skip character we start on
-      nextChar(cm, curr);
-
-      while (curr.line !== null) {
-
-        if (curr.line === "" && !skip_empty_lines) {
-          if (last_valid.pos !== null) {
-            return last_valid;
-          }
-          else {
-            return { ln: curr.ln, pos: curr.pos };
-          }
-        }
-        else if (isEndOfSentenceSymbol(curr.line[curr.pos])
-            && last_valid.pos !== null
-            && !(curr.ln === last_valid.ln && curr.pos + 1 === last_valid.pos)) {
-          return last_valid;
-        }
-        else if (curr.line !== "" && !isWhiteSpaceString(curr.line[curr.pos])) {
-          skip_empty_lines = false;
-          last_valid = { ln: curr.ln, pos: curr.pos }
-        }
-
-        nextChar(cm, curr);
-      }
-
-      /*
-        Set the position to the first non whitespace character on the last
-        valid line in the case that we reach the beginning of the document.
-      */
-      var line = cm.getLine(last_valid.ln);
-      last_valid.pos = 0;
-      for(var i = 0; i < line.length; ++i) {
-        if (!isWhiteSpaceString(line[i])) {
-          last_valid.pos = i;
-          break;
-        }
-      }
-      return last_valid;
-    }
-
-    var curr_index = {
-      ln: cur.line,
-      pos: cur.ch,
-    };
-
-    while (repeat > 0) {
-      if (dir < 0) {
-        curr_index = reverse(cm, curr_index.ln, curr_index.pos, dir);
-      }
-      else {
-        curr_index = forward(cm, curr_index.ln, curr_index.pos, dir);
-      }
-      repeat--;
-    }
-
-    return new Pos(curr_index.ln, curr_index.pos);
-  }
-
-  // TODO: perhaps this finagling of start and end positions belongs
-  // in codemirror/replaceRange?
-  /** @arg {CodeMirror} cm  @arg {Pos} head @arg {string | number} symb @arg {boolean} inclusive */
-  function selectCompanionObject(cm, head, symb, inclusive) {
-    var cur = head;
-
-    var bracketRegexp = ({
-      '(': /[()]/, ')': /[()]/,
-      '[': /[[\]]/, ']': /[[\]]/,
-      '{': /[{}]/, '}': /[{}]/,
-      '<': /[<>]/, '>': /[<>]/})[symb];
-    var openSym = ({
-      '(': '(', ')': '(',
-      '[': '[', ']': '[',
-      '{': '{', '}': '{',
-      '<': '<', '>': '<'})[symb];
-    var curChar = cm.getLine(cur.line).charAt(cur.ch);
-    // Due to the behavior of scanForBracket, we need to add an offset if the
-    // cursor is on a matching open bracket.
-    var offset = curChar === openSym ? 1 : 0;
-
-    var startBracket = cm.scanForBracket(new Pos(cur.line, cur.ch + offset), -1, undefined, {'bracketRegex': bracketRegexp});
-    var endBracket = cm.scanForBracket(new Pos(cur.line, cur.ch + offset), 1, undefined, {'bracketRegex': bracketRegexp});
-
-    if (!startBracket || !endBracket) return null;
-
-    var start = startBracket.pos;
-    var end = endBracket.pos;
-
-    if ((start.line == end.line && start.ch > end.ch)
-        || (start.line > end.line)) {
-      var tmp = start;
-      start = end;
-      end = tmp;
-    }
-
-    if (inclusive) {
-      end.ch += 1;
-    } else {
-      start.ch += 1;
-    }
-
-    return { start: start, end: end };
-  }
-
-  // Takes in a symbol and a cursor and tries to simulate text objects that
-  // have identical opening and closing symbols
-  // TODO support across multiple lines
-  /** @arg {CodeMirror} cm  @arg {Pos} head  @arg {string} symb @arg {boolean} inclusive */
-  function findBeginningAndEnd(cm, head, symb, inclusive) {
-    var cur = copyCursor(head);
-    var line = cm.getLine(cur.line);
-    var chars = line.split('');
-    var start, end, i, len;
-    var firstIndex = chars.indexOf(symb);
-
-    // the decision tree is to always look backwards for the beginning first,
-    // but if the cursor is in front of the first instance of the symb,
-    // then move the cursor forward
-    if (cur.ch < firstIndex) {
-      cur.ch = firstIndex;
-    }
-    // otherwise if the cursor is currently on the closing symbol
-    else if (firstIndex < cur.ch && chars[cur.ch] == symb) {
-      var stringAfter = /string/.test(cm.getTokenTypeAt(offsetCursor(head, 0, 1)));
-      var stringBefore = /string/.test(cm.getTokenTypeAt(head));
-      var isStringStart = stringAfter && !stringBefore
-      if (!isStringStart) {
-        end = cur.ch; // assign end to the current cursor
-        --cur.ch; // make sure to look backwards
-      }
-    }
-
-    // if we're currently on the symbol, we've got a start
-    if (chars[cur.ch] == symb && !end) {
-      start = cur.ch + 1; // assign start to ahead of the cursor
-    } else {
-      // go backwards to find the start
-      for (i = cur.ch; i > -1 && !start; i--) {
-        if (chars[i] == symb) {
-          start = i + 1;
-        }
-      }
-    }
-
-    // look forwards for the end symbol
-    if (start && !end) {
-      for (i = start, len = chars.length; i < len && !end; i++) {
-        if (chars[i] == symb) {
-          end = i;
-        }
-      }
-    }
-
-    // nothing found
-    if (!start || !end) {
-      return { start: cur, end: cur };
-    }
-
-    // include the symbols
-    if (inclusive) {
-      --start; ++end;
-    }
-
-    return {
-      start: new Pos(cur.line, start),
-      end: new Pos(cur.line, end)
-    };
-  }
-
-  // Search functions
-  defineOption('pcre', true, 'boolean');
-
-  class SearchState {
-    getQuery() {
-      return vimGlobalState.query;
-    };
-    setQuery(query) {
-      vimGlobalState.query = query;
-    };
-    getOverlay() {
-      return this.searchOverlay;
-    };
-    setOverlay(overlay) {
-      this.searchOverlay = overlay;
-    };
-    isReversed() {
-      return vimGlobalState.isReversed;
-    };
-    setReversed(reversed) {
-      vimGlobalState.isReversed = reversed;
-    };
-    getScrollbarAnnotate() {
-      return this.annotate;
-    };
-    setScrollbarAnnotate(annotate) {
-      this.annotate = annotate;
-    };
-  };
-  /** @arg {CodeMirrorV} cm */
-  function getSearchState(cm) {
-    var vim = cm.state.vim;
-    return vim.searchState_ || (vim.searchState_ = new SearchState());
-  }
-  /** @arg {string} argString */
-  function splitBySlash(argString) {
-    return splitBySeparator(argString, '/');
-  }
-
-  /** @arg {string} argString */
-  function findUnescapedSlashes(argString) {
-    return findUnescapedSeparators(argString, '/');
-  }
-
-  /** @arg {string} argString  @arg {string} separator */
-  function splitBySeparator(argString, separator) {
-    var slashes = findUnescapedSeparators(argString, separator) || [];
-    if (!slashes.length) return [];
-    var tokens = [];
-    // in case of strings like foo/bar
-    if (slashes[0] !== 0) return;
-    for (var i = 0; i < slashes.length; i++) {
-      if (typeof slashes[i] == 'number')
-        tokens.push(argString.substring(slashes[i] + 1, slashes[i+1]));
-    }
-    return tokens;
-  }
-
-  /** @arg {string} str  @arg {string} separator */
-  function findUnescapedSeparators(str, separator) {
-    if (!separator)
-      separator = '/';
-
-    var escapeNextChar = false;
-    var slashes = [];
-    for (var i = 0; i < str.length; i++) {
-      var c = str.charAt(i);
-      if (!escapeNextChar && c == separator) {
-        slashes.push(i);
-      }
-      escapeNextChar = !escapeNextChar && (c == '\\');
-    }
-    return slashes;
-  }
-
-  // Translates a search string from ex (vim) syntax into javascript form.
-  /** @arg {string} str */
-  function translateRegex(str) {
-    // When these match, add a '\' if unescaped or remove one if escaped.
-    var specials = '|(){';
-    // Remove, but never add, a '\' for these.
-    var unescape = '}';
-    var escapeNextChar = false;
-    var out = [];
-    for (var i = -1; i < str.length; i++) {
-      var c = str.charAt(i) || '';
-      var n = str.charAt(i+1) || '';
-      var specialComesNext = (n && specials.indexOf(n) != -1);
-      if (escapeNextChar) {
-        if (c !== '\\' || !specialComesNext) {
-          out.push(c);
-        }
-        escapeNextChar = false;
-      } else {
-        if (c === '\\') {
-          escapeNextChar = true;
-          // Treat the unescape list as special for removing, but not adding '\'.
-          if (n && unescape.indexOf(n) != -1) {
-            specialComesNext = true;
-          }
-          // Not passing this test means removing a '\'.
-          if (!specialComesNext || n === '\\') {
-            out.push(c);
-          }
-        } else {
-          out.push(c);
-          if (specialComesNext && n !== '\\') {
-            out.push('\\');
-          }
-        }
-      }
-    }
-    return out.join('');
-  }
-
-  // Translates the replace part of a search and replace from ex (vim) syntax into
-  // javascript form.  Similar to translateRegex, but additionally fixes back references
-  // (translates '\[0..9]' to '$[0..9]') and follows different rules for escaping '$'.
-  /** @type{Object<string, string>} */
-  var charUnescapes = {'\\n': '\n', '\\r': '\r', '\\t': '\t'};
-  /** @arg {string} str */
-  function translateRegexReplace(str) {
-    var escapeNextChar = false;
-    var out = [];
-    for (var i = -1; i < str.length; i++) {
-      var c = str.charAt(i) || '';
-      var n = str.charAt(i+1) || '';
-      if (charUnescapes[c + n]) {
-        out.push(charUnescapes[c+n]);
-        i++;
-      } else if (escapeNextChar) {
-        // At any point in the loop, escapeNextChar is true if the previous
-        // character was a '\' and was not escaped.
-        out.push(c);
-        escapeNextChar = false;
-      } else {
-        if (c === '\\') {
-          escapeNextChar = true;
-          if ((isNumber(n) || n === '$')) {
-            out.push('$');
-          } else if (n !== '/' && n !== '\\') {
-            out.push('\\');
-          }
-        } else {
-          if (c === '$') {
-            out.push('$');
-          }
-          out.push(c);
-          if (n === '/') {
-            out.push('\\');
-          }
-        }
-      }
-    }
-    return out.join('');
-  }
-
-  // Unescape \ and / in the replace part, for PCRE mode.
-  /** @type{Record<string, string>} */
-  var unescapes = {'\\/': '/', '\\\\': '\\', '\\n': '\n', '\\r': '\r', '\\t': '\t', '\\&':'&'};
-  /** @arg {string} str */
-  function unescapeRegexReplace(str) {
-    var stream = new CodeMirror.StringStream(str);
-    var output = [];
-    while (!stream.eol()) {
-      // Search for \.
-      while (stream.peek() && stream.peek() != '\\') {
-        output.push(stream.next());
-      }
-      var matched = false;
-      for (var matcher in unescapes) {
-        if (stream.match(matcher, true)) {
-          matched = true;
-          output.push(unescapes[matcher]);
-          break;
-        }
-      }
-      if (!matched) {
-        // Don't change anything
-        output.push(stream.next());
-      }
-    }
-    return output.join('');
-  }
-
-  /**
-   * Extract the regular expression from the query and return a Regexp object.
-   * Returns null if the query is blank.
-   * If ignoreCase is passed in, the Regexp object will have the 'i' flag set.
-   * If smartCase is passed in, and the query contains upper case letters,
-   *   then ignoreCase is overridden, and the 'i' flag will not be set.
-   * If the query contains the /i in the flag part of the regular expression,
-   *   then both ignoreCase and smartCase are ignored, and 'i' will be passed
-   *   through to the Regex object.
-   * @arg {string|RegExp} query
-   * @arg {boolean} ignoreCase
-   * @arg {boolean} smartCase
-   */
-  function parseQuery(query, ignoreCase, smartCase) {
-    // First update the last search register
-    var lastSearchRegister = vimGlobalState.registerController.getRegister('/');
-    lastSearchRegister.setText(query);
-    // Check if the query is already a regex.
-    if (query instanceof RegExp) { return query; }
-    // First try to extract regex + flags from the input. If no flags found,
-    // extract just the regex. IE does not accept flags directly defined in
-    // the regex string in the form /regex/flags
-    var slashes = findUnescapedSlashes(query);
-    var regexPart;
-    var forceIgnoreCase;
-    if (!slashes.length) {
-      // Query looks like 'regexp'
-      regexPart = query;
-    } else {
-      // Query looks like 'regexp/...'
-      regexPart = query.substring(0, slashes[0]);
-      var flagsPart = query.substring(slashes[0]);
-      forceIgnoreCase = (flagsPart.indexOf('i') != -1);
-    }
-    if (!regexPart) {
-      return null;
-    }
-    if (!getOption('pcre')) {
-      regexPart = translateRegex(regexPart);
-    }
-    if (smartCase) {
-      ignoreCase = (/^[^A-Z]*$/).test(regexPart);
-    }
-    var regexp = new RegExp(regexPart,
-        (ignoreCase || forceIgnoreCase) ? 'im' : 'm');
-    return regexp;
-  }
-
-  /**
-   * dom - Document Object Manipulator
-   * Usage:
-   *   dom('<tag>'|<node>[, ...{<attributes>|<$styles>}|<child-node>|'<text>'])
-   * Examples:
-   *   dom('div', {id:'xyz'}, dom('p', 'CM rocks!', {$color:'red'}))
-   *   dom(document.head, dom('script', 'alert("hello!")'))
-   * Not supported:
-   *   dom('p', ['arrays are objects'], Error('objects specify attributes'))
-   * @arg {string | HTMLElement } n
-   */
-  function dom(n) {
-    if (typeof n === 'string') n = document.createElement(n);
-    for (var a, i = 1; i < arguments.length; i++) {
-      if (!(a = arguments[i])) continue;
-      if (typeof a !== 'object') a = document.createTextNode(a);
-      if (a.nodeType) n.appendChild(a);
-      else for (var key in a) {
-        if (!Object.prototype.hasOwnProperty.call(a, key)) continue;
-        if (key[0] === '$') n.style[key.slice(1)] = a[key];
-        else n.setAttribute(key, a[key]);
-      }
-    }
-    return n;
-  }
-
-  /** @arg {CodeMirror} cm  @arg {any} template */
-  function showConfirm(cm, template) {
-    var pre = dom('div', {$color: 'red', $whiteSpace: 'pre', class: 'cm-vim-message'}, template);
-    if (cm.openNotification) {
-      cm.openNotification(pre, {bottom: true, duration: 5000});
-    } else {
-      alert(pre.innerText);
-    }
-  }
-  /** @arg {string} prefix  @arg {string} desc */
-  function makePrompt(prefix, desc) {
-    return dom('div', {$display: 'flex'},
-              dom('span', {$fontFamily: 'monospace', $whiteSpace: 'pre', $flex: 1},
-                prefix,
-                dom('input', {type: 'text', autocorrect: 'off',
-                              autocapitalize: 'off', spellcheck: 'false', $width: '100%'})),
-              desc && dom('span', {$color: '#888'}, desc));
-  }
-  /**
-   * @arg {CodeMirror} cm
-   * @arg {{ onClose?: any; prefix: any; desc?: any; onKeyUp?: any; onKeyDown: any; value?: any; selectValueOnOpen?: boolean; }} options
-   */
-  function showPrompt(cm, options) {
-    if (keyToKeyStack.length) {
-      if (!options.value) options.value = '';
-      virtualPrompt = options;
-      return;
-    }
-    var template = makePrompt(options.prefix, options.desc);
-    if (cm.openDialog) {
-      cm.openDialog(template, options.onClose, {
-        onKeyDown: options.onKeyDown, onKeyUp: options.onKeyUp,
-        bottom: true, selectValueOnOpen: false, value: options.value
-      });
-    }
-    else {
-      var shortText = '';
-      if (typeof options.prefix != "string" && options.prefix) shortText += options.prefix.textContent;
-      if (options.desc) shortText += " " + options.desc;
-      options.onClose(prompt(shortText, ''));
-    }
-  }
-
-  /** @arg {RegExp|unknown} r1  @arg {RegExp|unknown} r2 */
-  function regexEqual(r1, r2) {
-    if (r1 instanceof RegExp && r2 instanceof RegExp) {
-        var props = ['global', 'multiline', 'ignoreCase', 'source'];
-        for (var i = 0; i < props.length; i++) {
-            var prop = props[i];
-            if (r1[prop] !== r2[prop]) {
-                return false;
-            }
-        }
-        return true;
-    }
-    return false;
-  }
-  // Returns true if the query is valid.
-  /**
-   * @arg {CodeMirrorV} cm
-   * @arg {string | RegExp} rawQuery
-   * @arg {boolean | undefined} [ignoreCase]
-   * @arg {boolean | undefined} [smartCase]
-  */
-  function updateSearchQuery(cm, rawQuery, ignoreCase, smartCase) {
-    if (!rawQuery) {
-      return;
-    }
-    var state = getSearchState(cm);
-    var query = parseQuery(rawQuery, !!ignoreCase, !!smartCase);
-    if (!query) {
-      return;
-    }
-    highlightSearchMatches(cm, query);
-    if (regexEqual(query, state.getQuery())) {
-      return query;
-    }
-    state.setQuery(query);
-    return query;
-  }
-  /** @arg {RegExp} query */
-  function searchOverlay(query) {
-    if (query.source.charAt(0) == '^') {
-      var matchSol = true;
-    }
-    return {
-      token: function(stream) {
-        if (matchSol && !stream.sol()) {
-          stream.skipToEnd();
-          return;
-        }
-        var match = stream.match(query, false);
-        if (match) {
-          if (match[0].length == 0) {
-            // Matched empty string, skip to next.
-            stream.next();
-            return 'searching';
-          }
-          if (!stream.sol()) {
-            // Backtrack 1 to match \b
-            stream.backUp(1);
-            if (!query.exec(stream.next() + match[0])) {
-              stream.next();
-              return null;
-            }
-          }
-          stream.match(query);
-          return 'searching';
-        }
-        while (!stream.eol()) {
-          stream.next();
-          if (stream.match(query, false)) break;
-        }
-      },
-      query: query
-    };
-  }
-  var highlightTimeout = 0;
-  /** @arg {CodeMirrorV} cm  @arg {RegExp} query */
-  function highlightSearchMatches(cm, query) {
-    clearTimeout(highlightTimeout);
-    var searchState = getSearchState(cm);
-    searchState.highlightTimeout = highlightTimeout;
-    highlightTimeout = setTimeout(function() {
-      if (!cm.state.vim) return;
-      var searchState = getSearchState(cm);
-      searchState.highlightTimeout = null;
-      var overlay = searchState.getOverlay();
-      if (!overlay || query != overlay.query) {
-        if (overlay) {
-          cm.removeOverlay(overlay);
-        }
-        overlay = searchOverlay(query);
-        cm.addOverlay(overlay);
-        if (cm.showMatchesOnScrollbar) {
-          if (searchState.getScrollbarAnnotate()) {
-            searchState.getScrollbarAnnotate().clear();
-          }
-          searchState.setScrollbarAnnotate(cm.showMatchesOnScrollbar(query));
-        }
-        searchState.setOverlay(overlay);
-      }
-    }, 50);
-  }
-  /** @arg {CodeMirror} cm @arg {boolean} prev @arg {RegExp} query @arg {number | undefined} [repeat] */
-  function findNext(cm, prev, query, repeat) {
-    return cm.operation(function() {
-      if (repeat === undefined) { repeat = 1; }
-      var pos = cm.getCursor();
-      var cursor = cm.getSearchCursor(query, pos);
-      for (var i = 0; i < repeat; i++) {
-        var found = cursor.find(prev);
-        // @ts-ignore
-        if (i == 0 && found && cursorEqual(cursor.from(), pos)) {
-          var lastEndPos = prev ? cursor.from() : cursor.to();
-          found = cursor.find(prev);
-          // @ts-ignore
-          if (found && !found[0] && cursorEqual(cursor.from(), lastEndPos)) {
-            // @ts-ignore
-            if (cm.getLine(lastEndPos.line).length == lastEndPos.ch)
-              found = cursor.find(prev);
-          }
-        }
-        if (!found) {
-          // SearchCursor may have returned null because it hit EOF, wrap
-          // around and try again.
-          cursor = cm.getSearchCursor(query,
-              // @ts-ignore
-              (prev) ? new Pos(cm.lastLine()) : new Pos(cm.firstLine(), 0) );
-          if (!cursor.find(prev)) {
-            return;
-          }
-        }
-      }
-      return cursor.from();
-    });
-  }
-  /**
-   * Pretty much the same as `findNext`, except for the following differences:
-   *
-   * 1. Before starting the search, move to the previous search. This way if our cursor is
-   * already inside a match, we should return the current match.
-   * 2. Rather than only returning the cursor's from, we return the cursor's from and to as a tuple.
-   * @arg {CodeMirror} cm
-   * @arg {boolean} prev
-   * @arg {any} query
-   * @arg {number | undefined} repeat
-   * @arg {vimState} vim
-   */
-  function findNextFromAndToInclusive(cm, prev, query, repeat, vim) {
-    return cm.operation(function() {
-      if (repeat === undefined) { repeat = 1; }
-      var pos = cm.getCursor();
-      var cursor = cm.getSearchCursor(query, pos);
-
-      // Go back one result to ensure that if the cursor is currently a match, we keep it.
-      var found = cursor.find(!prev);
-
-      // If we haven't moved, go back one more (similar to if i==0 logic in findNext).
-      // @ts-ignore
-      if (!vim.visualMode && found && cursorEqual(cursor.from(), pos)) {
-        cursor.find(!prev);
-      }
-
-      for (var i = 0; i < repeat; i++) {
-        found = cursor.find(prev);
-        if (!found) {
-          // SearchCursor may have returned null because it hit EOF, wrap
-          // around and try again.
-          cursor = cm.getSearchCursor(query,
-              // @ts-ignore
-              (prev) ? new Pos(cm.lastLine()) : new Pos(cm.firstLine(), 0) );
-          if (!cursor.find(prev)) {
-            return;
-          }
-        }
-      }
-      return [cursor.from(), cursor.to()];
-    });
-  }
-  /** @arg {CodeMirrorV} cm */
-  function clearSearchHighlight(cm) {
-    var state = getSearchState(cm);
-    if (state.highlightTimeout) {
-      clearTimeout(state.highlightTimeout);
-      state.highlightTimeout = null;
-    }
-    cm.removeOverlay(getSearchState(cm).getOverlay());
-    state.setOverlay(null);
-    if (state.getScrollbarAnnotate()) {
-      state.getScrollbarAnnotate().clear();
-      state.setScrollbarAnnotate(null);
-    }
-  }
-  /**
-   * Check if pos is in the specified range, INCLUSIVE.
-   * Range can be specified with 1 or 2 arguments.
-   * If the first range argument is an array, treat it as an array of line
-   * numbers. Match pos against any of the lines.
-   * If the first range argument is a number,
-   *   if there is only 1 range argument, check if pos has the same line
-   *       number
-   *   if there are 2 range arguments, then check if pos is in between the two
-   *       range arguments.
-   * @arg {number|Pos} pos
-   * @arg {number|number[]} start
-   * @arg {number} end
-   */
-  function isInRange(pos, start, end) {
-    if (typeof pos != 'number') {
-      // Assume it is a cursor position. Get the line number.
-      pos = pos.line;
-    }
-    if (start instanceof Array) {
-      return inArray(pos, start);
-    } else {
-      if (typeof end == 'number') {
-        return (pos >= start && pos <= end);
-      } else {
-        return pos == start;
-      }
-    }
-  }
-  /** @arg {CodeMirror} cm */
-  function getUserVisibleLines(cm) {
-    var scrollInfo = cm.getScrollInfo();
-    var occludeToleranceTop = 6;
-    var occludeToleranceBottom = 10;
-    var from = cm.coordsChar({left:0, top: occludeToleranceTop + scrollInfo.top}, 'local');
-    var bottomY = scrollInfo.clientHeight - occludeToleranceBottom + scrollInfo.top;
-    var to = cm.coordsChar({left:0, top: bottomY}, 'local');
-    return {top: from.line, bottom: to.line};
-  }
-
-  /** @arg {CodeMirror} cm @arg {vimState} vim  @arg {string} markName */
-  function getMarkPos(cm, vim, markName) {
-    if (markName == '\'' || markName == '`') {
-      return vimGlobalState.jumpList.find(cm, -1) || new Pos(0, 0);
-    } else if (markName == '.') {
-      return getLastEditPos(cm);
-    }
-
-    var mark = vim.marks[markName];
-    return mark && mark.find();
-  }
-
-  /** @arg {CodeMirror} cm */
-  function getLastEditPos(cm) {
-    if (cm.getLastEditEnd) {
-      return cm.getLastEditEnd();
-    }
-    // for old cm
-    var done = /**@type{any}*/(cm).doc.history.done;
-    for (var i = done.length; i--;) {
-      if (done[i].changes) {
-        return copyCursor(done[i].changes[0].to);
-      }
-    }
-  }
-
-  class ExCommandDispatcher {
-    constructor() {
-      /**@type {Record<string, any>} */
-      this.commandMap_
-      this.buildCommandMap_();
-    }
-    processCommand(cm, input, opt_params) {
-      var that = this;
-      cm.operation(function () {
-        cm.curOp.isVimOp = true;
-        that._processCommand(cm, input, opt_params);
-      });
-    }
-    _processCommand(cm, input, opt_params) {
-      var vim = cm.state.vim;
-      var commandHistoryRegister = vimGlobalState.registerController.getRegister(':');
-      var previousCommand = commandHistoryRegister.toString();
-      var inputStream = new CodeMirror.StringStream(input);
-      // update ": with the latest command whether valid or invalid
-      commandHistoryRegister.setText(input);
-      var params = opt_params || {};
-      params.input = input;
-      try {
-        this.parseInput_(cm, inputStream, params);
-      } catch(e) {
-        showConfirm(cm, e + "");
-        throw e;
-      }
-
-      if (vim.visualMode) {
-        exitVisualMode(cm);
-      }
-
-      var command;
-      var commandName;
-      if (!params.commandName) {
-        // If only a line range is defined, move to the line.
-        if (params.line !== undefined) {
-          commandName = 'move';
-        }
-      } else {
-        command = this.matchCommand_(params.commandName);
-        if (command) {
-          commandName = command.name;
-          if (command.excludeFromCommandHistory) {
-            commandHistoryRegister.setText(previousCommand);
-          }
-          this.parseCommandArgs_(inputStream, params, command);
-          if (command.type == 'exToKey') {
-            // Handle Ex to Key mapping.
-            doKeyToKey(cm, command.toKeys, command);
-            return;
-          } else if (command.type == 'exToEx') {
-            // Handle Ex to Ex mapping.
-            this.processCommand(cm, command.toInput);
-            return;
-          }
-        }
-      }
-      if (!commandName) {
-        showConfirm(cm, 'Not an editor command ":' + input + '"');
-        return;
-      }
-      try {
-        exCommands[commandName](cm, params);
-        // Possibly asynchronous commands (e.g. substitute, which might have a
-        // user confirmation), are responsible for calling the callback when
-        // done. All others have it taken care of for them here.
-        if ((!command || !command.possiblyAsync) && params.callback) {
-          params.callback();
-        }
-      } catch(e) {
-        showConfirm(cm, e + "");
-        throw e;
-      }
-    }
-    parseInput_(cm, inputStream, result) {
-      inputStream.eatWhile(':');
-      // Parse range.
-      if (inputStream.eat('%')) {
-        result.line = cm.firstLine();
-        result.lineEnd = cm.lastLine();
-      } else {
-        result.line = this.parseLineSpec_(cm, inputStream);
-        if (result.line !== undefined && inputStream.eat(',')) {
-          result.lineEnd = this.parseLineSpec_(cm, inputStream);
-        }
-      }
-
-      if (result.line == undefined) {
-        if (cm.state.vim.visualMode) {
-          result.selectionLine = getMarkPos(cm, cm.state.vim, '<')?.line;
-          result.selectionLineEnd = getMarkPos(cm, cm.state.vim, '>')?.line;
-        } else {
-          result.selectionLine = cm.getCursor().line;
-        }
-      } else {
-        result.selectionLine = result.line;
-        result.selectionLineEnd = result.lineEnd;
-      }
-
-      // Parse command name.
-      var commandMatch = inputStream.match(/^(\w+|!!|@@|[!#&*<=>@~])/);
-      if (commandMatch) {
-        result.commandName = commandMatch[1];
-      } else {
-        result.commandName = inputStream.match(/.*/)[0];
-      }
-
-      return result;
-    }
-    parseLineSpec_(cm, inputStream) {
-      var numberMatch = inputStream.match(/^(\d+)/);
-      if (numberMatch) {
-        // Absolute line number plus offset (N+M or N-M) is probably a typo,
-        // not something the user actually wanted. (NB: vim does allow this.)
-        return parseInt(numberMatch[1], 10) - 1;
-      }
-      switch (inputStream.next()) {
-        case '.':
-          return this.parseLineSpecOffset_(inputStream, cm.getCursor().line);
-        case '$':
-          return this.parseLineSpecOffset_(inputStream, cm.lastLine());
-        case '\'':
-          var markName = inputStream.next();
-          var markPos = getMarkPos(cm, cm.state.vim, markName);
-          if (!markPos) throw new Error('Mark not set');
-          return this.parseLineSpecOffset_(inputStream, markPos.line);
-        case '-':
-        case '+':
-          inputStream.backUp(1);
-          // Offset is relative to current line if not otherwise specified.
-          return this.parseLineSpecOffset_(inputStream, cm.getCursor().line);
-        default:
-          inputStream.backUp(1);
-          return undefined;
-      }
-    }
-    parseLineSpecOffset_(inputStream, line) {
-      var offsetMatch = inputStream.match(/^([+-])?(\d+)/);
-      if (offsetMatch) {
-        var offset = parseInt(offsetMatch[2], 10);
-        if (offsetMatch[1] == "-") {
-          line -= offset;
-        } else {
-          line += offset;
-        }
-      }
-      return line;
-    }
-    parseCommandArgs_(inputStream, params, command) {
-      if (inputStream.eol()) {
-        return;
-      }
-      params.argString = inputStream.match(/.*/)[0];
-      // Parse command-line arguments
-      var delim = command.argDelimiter || /\s+/;
-      var args = trim(params.argString).split(delim);
-      if (args.length && args[0]) {
-        params.args = args;
-      }
-    }
-    matchCommand_(commandName) {
-      // Return the command in the command map that matches the shortest
-      // prefix of the passed in command name. The match is guaranteed to be
-      // unambiguous if the defaultExCommandMap's shortNames are set up
-      // correctly. (see @code{defaultExCommandMap}).
-      for (var i = commandName.length; i > 0; i--) {
-        var prefix = commandName.substring(0, i);
-        if (this.commandMap_[prefix]) {
-          var command = this.commandMap_[prefix];
-          if (command.name.indexOf(commandName) === 0) {
-            return command;
-          }
-        }
-      }
-      return null;
-    }
-    buildCommandMap_() {
-      this.commandMap_ = {};
-      for (var i = 0; i < defaultExCommandMap.length; i++) {
-        var command = defaultExCommandMap[i];
-        var key = command.shortName || command.name;
-        this.commandMap_[key] = command;
-      }
-    }
-    /**@type {(lhs: string, rhs: string, ctx: string, noremap?: boolean) => void} */
-    map(lhs, rhs, ctx, noremap) {
-      if (lhs != ':' && lhs.charAt(0) == ':') {
-        if (ctx) { throw Error('Mode not supported for ex mappings'); }
-        var commandName = lhs.substring(1);
-        if (rhs != ':' && rhs.charAt(0) == ':') {
-          // Ex to Ex mapping
-          this.commandMap_[commandName] = {
-            name: commandName,
-            type: 'exToEx',
-            toInput: rhs.substring(1),
-            user: true
-          };
-        } else {
-          // Ex to key mapping
-          this.commandMap_[commandName] = {
-            name: commandName,
-            type: 'exToKey',
-            toKeys: rhs,
-            user: true
-          };
-        }
-      } else {
-        // Key to key or ex mapping
-        var mapping = {
-          keys: lhs,
-          type: 'keyToKey',
-          toKeys: rhs,
-          noremap: !!noremap
-        };
-        if (ctx) { mapping.context = ctx; }
-        // @ts-ignore
-        defaultKeymap.unshift(mapping);
-      }
-    }
-    /**@type {(lhs: string, ctx: string) => boolean|void} */
-    unmap(lhs, ctx) {
-      if (lhs != ':' && lhs.charAt(0) == ':') {
-        // Ex to Ex or Ex to key mapping
-        if (ctx) { throw Error('Mode not supported for ex mappings'); }
-        var commandName = lhs.substring(1);
-        if (this.commandMap_[commandName] && this.commandMap_[commandName].user) {
-          delete this.commandMap_[commandName];
-          return true;
-        }
-      } else {
-        // Key to Ex or key to key mapping
-        var keys = lhs;
-        for (var i = 0; i < defaultKeymap.length; i++) {
-          if (keys == defaultKeymap[i].keys
-              && defaultKeymap[i].context === ctx) {
-            defaultKeymap.splice(i, 1);
-            return true;
-          }
-        }
-      }
-    }
-  }
-
-  /** @typedef { import("./types").ExParams} ExParams */
-  var exCommands = {
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    colorscheme: function(cm, params) {
-      if (!params.args || params.args.length < 1) {
-        showConfirm(cm, cm.getOption('theme'));
-        return;
-      }
-      cm.setOption('theme', params.args[0]);
-    },
-    map: function(cm, params, ctx, defaultOnly) {
-      var mapArgs = params.args;
-      if (!mapArgs || mapArgs.length < 2) {
-        if (cm) {
-          showConfirm(cm, 'Invalid mapping: ' + params.input);
-        }
-        return;
-      }
-      exCommandDispatcher.map(mapArgs[0], mapArgs[1], ctx, defaultOnly);
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    imap: function(cm, params) { this.map(cm, params, 'insert'); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    nmap: function(cm, params) { this.map(cm, params, 'normal'); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    vmap: function(cm, params) { this.map(cm, params, 'visual'); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    omap: function(cm, params) { this.map(cm, params, 'operatorPending'); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    noremap: function(cm, params) { this.map(cm, params, undefined, true); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    inoremap: function(cm, params) { this.map(cm, params, 'insert', true); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    nnoremap: function(cm, params) { this.map(cm, params, 'normal', true); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    vnoremap: function(cm, params) { this.map(cm, params, 'visual', true); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    onoremap: function(cm, params) { this.map(cm, params, 'operatorPending', true); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params @arg {string} ctx*/
-    unmap: function(cm, params, ctx) {
-      var mapArgs = params.args;
-      if (!mapArgs || mapArgs.length < 1 || !exCommandDispatcher.unmap(mapArgs[0], ctx)) {
-        if (cm) {
-          showConfirm(cm, 'No such mapping: ' + params.input);
-        }
-      }
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    mapclear: function(cm, params) { vimApi.mapclear(); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    imapclear: function(cm, params) { vimApi.mapclear('insert'); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    nmapclear: function(cm, params) { vimApi.mapclear('normal'); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    vmapclear: function(cm, params) { vimApi.mapclear('visual'); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    omapclear: function(cm, params) { vimApi.mapclear('operatorPending'); },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    move: function(cm, params) {
-      commandDispatcher.processCommand(cm, cm.state.vim, {
-        keys: "",
-        type: 'motion',
-        motion: 'moveToLineOrEdgeOfDocument',
-        motionArgs: { forward: false, explicitRepeat: true, linewise: true },
-        repeatOverride: params.line+1
-      });
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    set: function(cm, params) {
-      var setArgs = params.args;
-      // Options passed through to the setOption/getOption calls. May be passed in by the
-      // local/global versions of the set command
-      var setCfg = params.setCfg || {};
-      if (!setArgs || setArgs.length < 1) {
-        if (cm) {
-          showConfirm(cm, 'Invalid mapping: ' + params.input);
-        }
-        return;
-      }
-      var expr = setArgs[0].split('=');
-      var optionName = expr.shift() || "";
-      /**@type {string|boolean|undefined} */
-      var value = expr.length > 0 ? expr.join('=') : undefined;
-      var forceGet = false;
-      var forceToggle = false;
-
-      if (optionName.charAt(optionName.length - 1) == '?') {
-        // If post-fixed with ?, then the set is actually a get.
-        if (value) { throw Error('Trailing characters: ' + params.argString); }
-        optionName = optionName.substring(0, optionName.length - 1);
-        forceGet = true;
-      } else if (optionName.charAt(optionName.length - 1) == '!') {
-        optionName = optionName.substring(0, optionName.length - 1);
-        forceToggle = true;
-      }
-      if (value === undefined && optionName.substring(0, 2) == 'no') {
-        // To set boolean options to false, the option name is prefixed with
-        // 'no'.
-        optionName = optionName.substring(2);
-        value = false;
-      }
-
-      var optionIsBoolean = options[optionName] && options[optionName].type == 'boolean';
-      if (optionIsBoolean) {
-        if (forceToggle) {
-          value = !getOption(optionName, cm, setCfg);
-        } else if (value == undefined) {
-          // Calling set with a boolean option sets it to true.
-          value = true;
-        }
-      }
-      // If no value is provided, then we assume this is a get.
-      if (!optionIsBoolean && value === undefined || forceGet) {
-        var oldValue = getOption(optionName, cm, setCfg);
-        if (oldValue instanceof Error) {
-          showConfirm(cm, oldValue.message);
-        } else if (oldValue === true || oldValue === false) {
-          showConfirm(cm, ' ' + (oldValue ? '' : 'no') + optionName);
-        } else {
-          showConfirm(cm, '  ' + optionName + '=' + oldValue);
-        }
-      } else {
-        var setOptionReturn = setOption(optionName, value, cm, setCfg);
-        if (setOptionReturn instanceof Error) {
-          showConfirm(cm, setOptionReturn.message);
-        }
-      }
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    setlocal: function (cm, params) {
-      // setCfg is passed through to setOption
-      params.setCfg = {scope: 'local'};
-      this.set(cm, params);
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    setglobal: function (cm, params) {
-      // setCfg is passed through to setOption
-      params.setCfg = {scope: 'global'};
-      this.set(cm, params);
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    registers: function(cm, params) {
-      var regArgs = params.args;
-      var registers = vimGlobalState.registerController.registers;
-      var regInfo = '----------Registers----------\n\n';
-      if (!regArgs) {
-        for (var registerName in registers) {
-          var text = registers[registerName].toString();
-          if (text.length) {
-            regInfo += '"' + registerName + '    ' + text + '\n'
-          }
-        }
-      } else {
-        var registerNames = regArgs.join('');
-        for (var i = 0; i < registerNames.length; i++) {
-          var registerName = registerNames.charAt(i);
-          if (!vimGlobalState.registerController.isValidRegister(registerName)) {
-            continue;
-          }
-          var register = registers[registerName] || new Register();
-          regInfo += '"' + registerName + '    ' + register.toString() + '\n'
-        }
-      }
-      showConfirm(cm, regInfo);
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    sort: function(cm, params) {
-      var reverse, ignoreCase, unique, number, pattern;
-      function parseArgs() {
-        if (params.argString) {
-          var args = new CodeMirror.StringStream(params.argString);
-          if (args.eat('!')) { reverse = true; }
-          if (args.eol()) { return; }
-          if (!args.eatSpace()) { return 'Invalid arguments'; }
-          var opts = args.match(/([dinuox]+)?\s*(\/.+\/)?\s*/);
-          if (!opts || !args.eol()) { return 'Invalid arguments'; }
-          if (opts[1]) {
-            ignoreCase = opts[1].indexOf('i') != -1;
-            unique = opts[1].indexOf('u') != -1;
-            var decimal = opts[1].indexOf('d') != -1 || opts[1].indexOf('n') != -1;
-            var hex = opts[1].indexOf('x') != -1;
-            var octal = opts[1].indexOf('o') != -1;
-            if (Number(decimal) + Number(hex) + Number(octal) > 1) { return 'Invalid arguments'; }
-            number = decimal && 'decimal' || hex && 'hex' || octal && 'octal';
-          }
-          if (opts[2]) {
-            pattern = new RegExp(opts[2].substr(1, opts[2].length - 2), ignoreCase ? 'i' : '');
-          }
-        }
-      }
-      var err = parseArgs();
-      if (err) {
-        showConfirm(cm, err + ': ' + params.argString);
-        return;
-      }
-      var lineStart = params.line || cm.firstLine();
-      var lineEnd = params.lineEnd || params.line || cm.lastLine();
-      if (lineStart == lineEnd) { return; }
-      var curStart = new Pos(lineStart, 0);
-      var curEnd = new Pos(lineEnd, lineLength(cm, lineEnd));
-      var text = cm.getRange(curStart, curEnd).split('\n');
-      var numberRegex =
-          (number == 'decimal') ? /(-?)([\d]+)/ :
-          (number == 'hex') ? /(-?)(?:0x)?([0-9a-f]+)/i :
-          (number == 'octal') ? /([0-7]+)/ : null;
-      var radix = (number == 'decimal') ? 10 : (number == 'hex') ? 16 : (number == 'octal') ? 8 : undefined;
-      var numPart = [], textPart = [];
-      if (number || pattern) {
-        for (var i = 0; i < text.length; i++) {
-          var matchPart = pattern ? text[i].match(pattern) : null;
-          if (matchPart && matchPart[0] != '') {
-            numPart.push(matchPart);
-          } else if (numberRegex && numberRegex.exec(text[i])) {
-            numPart.push(text[i]);
-          } else {
-            textPart.push(text[i]);
-          }
-        }
-      } else {
-        textPart = text;
-      }
-      /** @arg {string} a  @arg {string} b */
-      function compareFn(a, b) {
-        if (reverse) { var tmp; tmp = a; a = b; b = tmp; }
-        if (ignoreCase) { a = a.toLowerCase(); b = b.toLowerCase(); }
-        var amatch = numberRegex && numberRegex.exec(a);
-        var bmatch = numberRegex && numberRegex.exec(b);
-        if (!amatch || !bmatch) { return a < b ? -1 : 1; }
-        var anum = parseInt((amatch[1] + amatch[2]).toLowerCase(), radix);
-        var bnum = parseInt((bmatch[1] + bmatch[2]).toLowerCase(), radix);
-        return anum - bnum;
-      }
-      /** @arg {string[]} a  @arg {string[]} b */
-      function comparePatternFn(a, b) {
-        if (reverse) { var tmp; tmp = a; a = b; b = tmp; }
-        if (ignoreCase) { a[0] = a[0].toLowerCase(); b[0] = b[0].toLowerCase(); }
-        return (a[0] < b[0]) ? -1 : 1;
-      }
-      // @ts-ignore
-      numPart.sort(pattern ? comparePatternFn : compareFn);
-      if (pattern) {
-        for (var i = 0; i < numPart.length; i++) {
-          // @ts-ignore
-          numPart[i] = numPart[i].input;
-        }
-      } else if (!number) { textPart.sort(compareFn); }
-      text = (!reverse) ? textPart.concat(numPart) : numPart.concat(textPart);
-      if (unique) { // Remove duplicate lines
-        var textOld = text;
-        var lastLine;
-        text = [];
-        for (var i = 0; i < textOld.length; i++) {
-          if (textOld[i] != lastLine) {
-            text.push(textOld[i]);
-          }
-          lastLine = textOld[i];
-        }
-      }
-      cm.replaceRange(text.join('\n'), curStart, curEnd);
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    vglobal: function(cm, params) {
-      // global inspects params.commandName
-      this.global(cm, params);
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    normal: function(cm, params) {
-      var argString = params.argString;
-      if (argString && argString[0] == '!') {
-          argString = argString.slice(1);
-          noremap = true;
-      }
-      argString = argString.trimStart();
-      if (!argString) {
-        showConfirm(cm, 'Argument is required.');
-        return;
-      }
-      var line = params.line;
-      if (typeof line == 'number') {
-        var lineEnd = isNaN(params.lineEnd) ? line : params.lineEnd;
-        for (var i = line; i <= lineEnd; i++) {
-          cm.setCursor(i, 0);
-          doKeyToKey(cm, params.argString.trimStart());
-          if (cm.state.vim.insertMode) {
-            exitInsertMode(cm, true);
-          }
-        }
-      } else {
-        doKeyToKey(cm, params.argString.trimStart());
-        if (cm.state.vim.insertMode) {
-          exitInsertMode(cm, true);
-        }
-      }
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    global: function(cm, params) {
-      // a global command is of the form
-      // :[range]g/pattern/[cmd]
-      // argString holds the string /pattern/[cmd]
-      var argString = params.argString;
-      if (!argString) {
-        showConfirm(cm, 'Regular Expression missing from global');
-        return;
-      }
-      var inverted = params.commandName[0] === 'v';
-      if (argString[0] === '!' && params.commandName[0] === 'g') {
-        inverted = true;
-        argString = argString.slice(1);
-      }
-      // range is specified here
-      var lineStart = (params.line !== undefined) ? params.line : cm.firstLine();
-      var lineEnd = params.lineEnd || params.line || cm.lastLine();
-      // get the tokens from argString
-      var tokens = splitBySlash(argString);
-      var regexPart = argString, cmd = "";
-      if (tokens && tokens.length) {
-        regexPart = tokens[0];
-        cmd = tokens.slice(1, tokens.length).join('/');
-      }
-      if (regexPart) {
-        // If regex part is empty, then use the previous query. Otherwise
-        // use the regex part as the new query.
-        try {
-          updateSearchQuery(cm, regexPart, true /** ignoreCase */,
-            true /** smartCase */);
-        } catch (e) {
-          showConfirm(cm, 'Invalid regex: ' + regexPart);
-          return;
-        }
-      }
-      // now that we have the regexPart, search for regex matches in the
-      // specified range of lines
-      var query = getSearchState(cm).getQuery();
-      /**@type {(string|import("./types").LineHandle)[]}*/
-      var matchedLines = [];
-      for (var i = lineStart; i <= lineEnd; i++) {
-        var line = cm.getLine(i);
-        var matched = query.test(line);
-        if (matched !== inverted) {
-          matchedLines.push(cmd ? cm.getLineHandle(i) : line);
-        }
-      }
-      // if there is no [cmd], just display the list of matched lines
-      if (!cmd) {
-        showConfirm(cm, matchedLines.join('\n'));
-        return;
-      }
-      var index = 0;
-      var nextCommand = function() {
-        if (index < matchedLines.length) {
-          var lineHandle = matchedLines[index++];
-          var lineNum = cm.getLineNumber(lineHandle);
-          if (lineNum == null) {
-            nextCommand();
-            return;
-          }
-          var command = (lineNum + 1) + cmd;
-          exCommandDispatcher.processCommand(cm, command, {
-            callback: nextCommand
-          });
-        } else if (cm.releaseLineHandles) {
-          cm.releaseLineHandles();
-        }
-      };
-      nextCommand();
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    substitute: function(cm, params) {
-      if (!cm.getSearchCursor) {
-        throw new Error('Search feature not available. Requires searchcursor.js or ' +
-            'any other getSearchCursor implementation.');
-      }
-      var argString = params.argString;
-      var tokens = argString ? splitBySeparator(argString, argString[0]) : [];
-      var regexPart = '', replacePart = '', trailing, flagsPart, count;
-      var confirm = false; // Whether to confirm each replace.
-      var global = false; // True to replace all instances on a line, false to replace only 1.
-      if (tokens && tokens.length) {
-        regexPart = tokens[0];
-        if (getOption('pcre') && regexPart !== '') {
-            regexPart = new RegExp(regexPart).source; //normalize not escaped characters
-        }
-        replacePart = tokens[1];
-        if (replacePart !== undefined) {
-          if (getOption('pcre')) {
-            replacePart = unescapeRegexReplace(replacePart.replace(/([^\\])&/g,"$1$$&"));
-          } else {
-            replacePart = translateRegexReplace(replacePart);
-          }
-          vimGlobalState.lastSubstituteReplacePart = replacePart;
-        }
-        trailing = tokens[2] ? tokens[2].split(' ') : [];
-      } else {
-        // either the argString is empty or its of the form ' hello/world'
-        // actually splitBySlash returns a list of tokens
-        // only if the string starts with a '/'
-        if (argString && argString.length) {
-          showConfirm(cm, 'Substitutions should be of the form ' +
-              ':s/pattern/replace/');
-          return;
-        }
-      }
-      // After the 3rd slash, we can have flags followed by a space followed
-      // by count.
-      if (trailing) {
-        flagsPart = trailing[0];
-        count = parseInt(trailing[1]);
-        if (flagsPart) {
-          if (flagsPart.indexOf('c') != -1) {
-            confirm = true;
-          }
-          if (flagsPart.indexOf('g') != -1) {
-            global = true;
-          }
-          if (getOption('pcre')) {
-            regexPart = regexPart + '/' + flagsPart;
-          } else {
-            regexPart = regexPart.replace(/\//g, "\\/") + '/' + flagsPart;
-          }
-        }
-      }
-      if (regexPart) {
-        // If regex part is empty, then use the previous query. Otherwise use
-        // the regex part as the new query.
-        try {
-          updateSearchQuery(cm, regexPart, true /** ignoreCase */,
-            true /** smartCase */);
-        } catch (e) {
-          showConfirm(cm, 'Invalid regex: ' + regexPart);
-          return;
-        }
-      }
-      replacePart = replacePart || vimGlobalState.lastSubstituteReplacePart;
-      if (replacePart === undefined) {
-        showConfirm(cm, 'No previous substitute regular expression');
-        return;
-      }
-      var state = getSearchState(cm);
-      var query = state.getQuery();
-      var lineStart = (params.line !== undefined) ? params.line : cm.getCursor().line;
-      var lineEnd = params.lineEnd || lineStart;
-      if (lineStart == cm.firstLine() && lineEnd == cm.lastLine()) {
-        lineEnd = Infinity;
-      }
-      if (count) {
-        lineStart = lineEnd;
-        lineEnd = lineStart + count - 1;
-      }
-      var startPos = clipCursorToContent(cm, new Pos(lineStart, 0));
-      var cursor = cm.getSearchCursor(query, startPos);
-      doReplace(cm, confirm, global, lineStart, lineEnd, cursor, query, replacePart, params.callback);
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    startinsert: function(cm, params) {
-      doKeyToKey(cm, params.argString == '!' ? 'A' : 'i', {});
-    },
-    redo: CodeMirror.commands.redo,
-    undo: CodeMirror.commands.undo,
-    /** @arg {CodeMirrorV} cm */
-    write: function(cm) {
-      if (CodeMirror.commands.save) {
-        CodeMirror.commands.save(cm);
-      } else if (cm.save) {
-        // Saves to text area if no save command is defined and cm.save() is available.
-        cm.save();
-      }
-    },
-    /** @arg {CodeMirrorV} cm */
-    nohlsearch: function(cm) {
-      clearSearchHighlight(cm);
-    },
-    /** @arg {CodeMirrorV} cm */
-    yank: function (cm) {
-      var cur = copyCursor(cm.getCursor());
-      var line = cur.line;
-      var lineText = cm.getLine(line);
-      vimGlobalState.registerController.pushText(
-        '0', 'yank', lineText, true, true);
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    delete: function(cm, params) {
-      var line = params.selectionLine;
-      var lineEnd = isNaN(params.selectionLineEnd) ? line : params.selectionLineEnd;
-      operators.delete(cm, {linewise: true}, [
-        { anchor: new Pos(line, 0),
-          head: new Pos(lineEnd + 1, 0) }
-      ]);
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    join: function(cm, params) {
-      var line = params.selectionLine;
-      var lineEnd = isNaN(params.selectionLineEnd) ? line : params.selectionLineEnd;
-      cm.setCursor(new Pos(line, 0));
-      actions.joinLines(cm, {repeat: lineEnd - line}, cm.state.vim);
-    },
-    /** @arg {CodeMirrorV} cm @arg {ExParams} params*/
-    delmarks: function(cm, params) {
-      if (!params.argString || !trim(params.argString)) {
-        showConfirm(cm, 'Argument required');
-        return;
-      }
-
-      var state = cm.state.vim;
-      var stream = new CodeMirror.StringStream(trim(params.argString));
-      while (!stream.eol()) {
-        stream.eatSpace();
-
-        // Record the streams position at the beginning of the loop for use
-        // in error messages.
-        var count = stream.pos;
-
-        if (!stream.match(/[a-zA-Z]/, false)) {
-          showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count));
-          return;
-        }
-
-        var sym = stream.next();
-        // Check if this symbol is part of a range
-        if (stream.match('-', true)) {
-          // This symbol is part of a range.
-
-          // The range must terminate at an alphabetic character.
-          if (!stream.match(/[a-zA-Z]/, false)) {
-            showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count));
-            return;
-          }
-
-          var startMark = sym;
-          var finishMark = stream.next();
-          // The range must terminate at an alphabetic character which
-          // shares the same case as the start of the range.
-          if (startMark && finishMark && isLowerCase(startMark) == isLowerCase(finishMark)) {
-            var start = startMark.charCodeAt(0);
-            var finish = finishMark.charCodeAt(0);
-            if (start >= finish) {
-              showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count));
-              return;
-            }
-
-            // Because marks are always ASCII values, and we have
-            // determined that they are the same case, we can use
-            // their char codes to iterate through the defined range.
-            for (var j = 0; j <= finish - start; j++) {
-              var mark = String.fromCharCode(start + j);
-              delete state.marks[mark];
-            }
-          } else {
-            showConfirm(cm, 'Invalid argument: ' + startMark + '-');
-            return;
-          }
-        } else if (sym) {
-          // This symbol is a valid mark, and is not part of a range.
-          delete state.marks[sym];
-        }
-      }
-    }
-  };
-
-  var exCommandDispatcher = new ExCommandDispatcher();
-
-/**
- * @arg {CodeMirrorV} cm CodeMirror instance we are in.
- * @arg {boolean} confirm Whether to confirm each replace.
- * @arg {boolean} global
- * @arg {number} lineStart Line to start replacing from.
- * @arg {number} lineEnd Line to stop replacing at.
- * @arg {RegExp} query Query for performing matches with.
- * @arg {string} replaceWith Text to replace matches with. May contain $1,
- *     $2, etc for replacing captured groups using JavaScript replace.
- * @arg {function} [callback] A callback for when the replace is done.
- */
-  function doReplace(cm, confirm, global, lineStart, lineEnd, searchCursor, query,
-      replaceWith, callback) {
-    // Set up all the functions.
-    cm.state.vim.exMode = true;
-    var done = false;
-
-    /** @type {Pos}*/ var lastPos;
-    /** @type {number}*/ var modifiedLineNumber
-    /** @type {boolean}*/var joined;
-    function replaceAll() {
-      cm.operation(function() {
-        while (!done) {
-          replace();
-          next();
-        }
-        stop();
-      });
-    }
-    function replace() {
-      var text = cm.getRange(searchCursor.from(), searchCursor.to());
-      var newText = text.replace(query, replaceWith);
-      var unmodifiedLineNumber = searchCursor.to().line;
-      searchCursor.replace(newText);
-      modifiedLineNumber = searchCursor.to().line;
-      lineEnd += modifiedLineNumber - unmodifiedLineNumber;
-      joined = modifiedLineNumber < unmodifiedLineNumber;
-    }
-    function findNextValidMatch() {
-      var lastMatchTo = lastPos && copyCursor(searchCursor.to());
-      var match = searchCursor.findNext();
-      if (match && !match[0] && lastMatchTo && cursorEqual(searchCursor.from(), lastMatchTo)) {
-        match = searchCursor.findNext();
-      }
-      return match;
-    }
-    function next() {
-      // The below only loops to skip over multiple occurrences on the same
-      // line when 'global' is not true.
-      while(findNextValidMatch() &&
-            isInRange(searchCursor.from(), lineStart, lineEnd)) {
-        if (!global && searchCursor.from().line == modifiedLineNumber && !joined) {
-          continue;
-        }
-        cm.scrollIntoView(searchCursor.from(), 30);
-        cm.setSelection(searchCursor.from(), searchCursor.to());
-        lastPos = searchCursor.from();
-        done = false;
-        return;
-      }
-      done = true;
-    }
-    /** @arg {(() => void) | undefined} [close] */
-    function stop(close) {
-      if (close) { close(); }
-      cm.focus();
-      if (lastPos) {
-        cm.setCursor(lastPos);
-        var vim = cm.state.vim;
-        vim.exMode = false;
-        vim.lastHPos = vim.lastHSPos = lastPos.ch;
-      }
-      if (callback) { callback(); }
-    }
-    /** @arg {KeyboardEvent} e   @arg {any} _value   @arg {any} close */
-    function onPromptKeyDown(e, _value, close) {
-      // Swallow all keys.
-      CodeMirror.e_stop(e);
-      var keyName = vimKeyFromEvent(e);
-      switch (keyName) {
-        case 'y':
-          replace(); next(); break;
-        case 'n':
-          next(); break;
-        case 'a':
-          // replaceAll contains a call to close of its own. We don't want it
-          // to fire too early or multiple times.
-          var savedCallback = callback;
-          callback = undefined;
-          cm.operation(replaceAll);
-          callback = savedCallback;
-          break;
-        case 'l':
-          replace();
-          // fall through and exit.
-        case 'q':
-        case '<Esc>':
-        case '<C-c>':
-        case '<C-[>':
-          stop(close);
-          break;
-      }
-      if (done) { stop(close); }
-      return true;
-    }
-
-    // Actually do replace.
-    next();
-    if (done) {
-      showConfirm(cm, 'No matches for ' + query.source);
-      return;
-    }
-    if (!confirm) {
-      replaceAll();
-      if (callback) { callback(); }
-      return;
-    }
-    showPrompt(cm, {
-      prefix: dom('span', 'replace with ', dom('strong', replaceWith), ' (y/n/a/q/l)'),
-      onKeyDown: onPromptKeyDown
-    });
-  }
-
-  /** @arg {CodeMirrorV} cm  @arg {boolean} [keepCursor] */
-  function exitInsertMode(cm, keepCursor) {
-    var vim = cm.state.vim;
-    var macroModeState = vimGlobalState.macroModeState;
-    var insertModeChangeRegister = vimGlobalState.registerController.getRegister('.');
-    var isPlaying = macroModeState.isPlaying;
-    var lastChange = macroModeState.lastInsertModeChanges;
-    if (!isPlaying) {
-      cm.off('change', onChange);
-      if (vim.insertEnd) vim.insertEnd.clear();
-      vim.insertEnd = undefined;
-      CodeMirror.off(cm.getInputField(), 'keydown', onKeyEventTargetKeyDown);
-    }
-    if (!isPlaying && vim.insertModeRepeat > 1) {
-      // Perform insert mode repeat for commands like 3,a and 3,o.
-      repeatLastEdit(cm, vim, vim.insertModeRepeat - 1,
-          true /** repeatForInsert */);
-      // @ts-ignore
-      vim.lastEditInputState.repeatOverride = vim.insertModeRepeat;
-    }
-    delete vim.insertModeRepeat;
-    vim.insertMode = false;
-    if (!keepCursor) {
-      cm.setCursor(cm.getCursor().line, cm.getCursor().ch-1);
-    }
-    cm.setOption('keyMap', 'vim');
-    cm.setOption('disableInput', true);
-    cm.toggleOverwrite(false); // exit replace mode if we were in it.
-    // update the ". register before exiting insert mode
-    insertModeChangeRegister.setText(lastChange.changes.join(''));
-    CodeMirror.signal(cm, "vim-mode-change", {mode: "normal"});
-    if (macroModeState.isRecording) {
-      logInsertModeChange(macroModeState);
-    }
-  }
-
-  /** @arg {vimKey} command*/
-  function _mapCommand(command) {
-    defaultKeymap.unshift(command);
-  }
-
-  /**
-   * @arg {string} keys
-   * @arg {string} type
-   * @arg {string} name
-   * @arg {any} args
-   * @arg {{ [x: string]: any; }} extra
-   **/
-  function mapCommand(keys, type, name, args, extra) {
-    /**@type{any} */
-    var command = {keys: keys, type: type};
-    command[type] = name;
-    command[type + "Args"] = args;
-    for (var key in extra)
-      command[key] = extra[key];
-    _mapCommand(command);
-  }
-
-  // The timeout in milliseconds for the two-character ESC keymap should be
-  // adjusted according to your typing speed to prevent false positives.
-  defineOption('insertModeEscKeysTimeout', 200, 'number');
-
-
-  /**
-   * @arg {CodeMirrorV} cm
-   * @arg {vimState} vim
-   * @arg {MacroModeState} macroModeState
-   * @arg {string} registerName
-   */
-  function executeMacroRegister(cm, vim, macroModeState, registerName) {
-    var register = vimGlobalState.registerController.getRegister(registerName);
-    if (registerName == ':') {
-      // Read-only register containing last Ex command.
-      if (register.keyBuffer[0]) {
-        exCommandDispatcher.processCommand(cm, register.keyBuffer[0]);
-      }
-      macroModeState.isPlaying = false;
-      return;
-    }
-    var keyBuffer = register.keyBuffer;
-    var imc = 0;
-    macroModeState.isPlaying = true;
-    macroModeState.replaySearchQueries = register.searchQueries.slice(0);
-    for (var i = 0; i < keyBuffer.length; i++) {
-      var text = keyBuffer[i];
-      var match, key;
-      var keyRe = /<(?:[CSMA]-)*\w+>|./gi;
-      while ((match = keyRe.exec(text))) {
-        // Pull off one command key, which is either a single character
-        // or a special sequence wrapped in '<' and '>', e.g. '<Space>'.
-        key = match[0];
-        vimApi.handleKey(cm, key, 'macro');
-        if (vim.insertMode) {
-          var changes = register.insertModeChanges[imc++].changes;
-          vimGlobalState.macroModeState.lastInsertModeChanges.changes = changes;
-          repeatInsertModeChanges(cm, changes, 1);
-          exitInsertMode(cm);
-        }
-      }
-    }
-    macroModeState.isPlaying = false;
-  }
-
-  /** @arg {MacroModeState} macroModeState @arg {any} key */
-  function logKey(macroModeState, key) {
-    if (macroModeState.isPlaying) { return; }
-    var registerName = macroModeState.latestRegister;
-    var register = vimGlobalState.registerController.getRegister(registerName);
-    if (register) {
-      register.pushText(key);
-    }
-  }
-
-  /** @arg {MacroModeState} macroModeState */
-  function logInsertModeChange(macroModeState) {
-    if (macroModeState.isPlaying) { return; }
-    var registerName = macroModeState.latestRegister;
-    var register = vimGlobalState.registerController.getRegister(registerName);
-    if (register && register.pushInsertModeChanges) {
-      register.pushInsertModeChanges(macroModeState.lastInsertModeChanges);
-    }
-  }
-
-  /** @arg {MacroModeState} macroModeState @arg {string} query */
-  function logSearchQuery(macroModeState, query) {
-    if (macroModeState.isPlaying) { return; }
-    var registerName = macroModeState.latestRegister;
-    var register = vimGlobalState.registerController.getRegister(registerName);
-    if (register && register.pushSearchQuery) {
-      register.pushSearchQuery(query);
-    }
-  }
-
-  /**
-   * Listens for changes made in insert mode.
-   * Should only be active in insert mode.
-   * @arg {CodeMirror} cm
-   * @arg {{ origin: string | undefined; text: any[]; next: any; }} changeObj
-   */
-  function onChange(cm, changeObj) {
-    var macroModeState = vimGlobalState.macroModeState;
-    var lastChange = macroModeState.lastInsertModeChanges;
-    if (!macroModeState.isPlaying) {
-      var vim = cm.state.vim;
-      while(changeObj) {
-        lastChange.expectCursorActivityForChange = true;
-        // @ts-ignore
-        if (lastChange.ignoreCount > 1) {
-          // @ts-ignore
-          lastChange.ignoreCount--;
-        } else if (changeObj.origin == '+input' || changeObj.origin == 'paste'
-            || changeObj.origin === undefined /* only in testing */) {
-          var selectionCount = cm.listSelections().length;
-          if (selectionCount > 1)
-            lastChange.ignoreCount = selectionCount;
-          var text = changeObj.text.join('\n');
-          if (lastChange.maybeReset) {
-            lastChange.changes = [];
-            lastChange.maybeReset = false;
-          }
-          if (text) {
-            if (cm.state.overwrite && !/\n/.test(text)) {
-              lastChange.changes.push([text]);
-            } else {
-              if (text.length > 1) {
-                var insertEnd = vim && vim.insertEnd && vim.insertEnd.find()
-                var cursor = cm.getCursor();
-                if (insertEnd && insertEnd.line == cursor.line) {
-                  var offset = insertEnd.ch - cursor.ch;
-                  if (offset > 0 && offset < text.length) {
-                    lastChange.changes.push([text, offset]);
-                    text = '';
-                  }
-                }
-              }
-              if (text) lastChange.changes.push(text);
-            }
-          }
-        }
-        // Change objects may be chained with next.
-        changeObj = changeObj.next;
-      }
-    }
-  }
-
-  /**
-   * Listens for any kind of cursor activity on CodeMirror.
-   * @arg {CodeMirrorV} cm
-   */
-  function onCursorActivity(cm) {
-    var vim = cm.state.vim;
-    if (vim.insertMode) {
-      // Tracking cursor activity in insert mode (for macro support).
-      var macroModeState = vimGlobalState.macroModeState;
-      if (macroModeState.isPlaying) { return; }
-      var lastChange = macroModeState.lastInsertModeChanges;
-      if (lastChange.expectCursorActivityForChange) {
-        lastChange.expectCursorActivityForChange = false;
-      } else {
-        // Cursor moved outside the context of an edit. Reset the change.
-        lastChange.maybeReset = true;
-        if (vim.insertEnd) vim.insertEnd.clear();
-        vim.insertEnd = cm.setBookmark(cm.getCursor(), {insertLeft: true});
-      }
-    } else if (!cm.curOp?.isVimOp) {
-      handleExternalSelection(cm, vim);
-    }
-  }
-  /** @arg {CodeMirrorV} cm  @arg {vimState} vim */
-  function handleExternalSelection(cm, vim) {
-    var anchor = cm.getCursor('anchor');
-    var head = cm.getCursor('head');
-    // Enter or exit visual mode to match mouse selection.
-    if (vim.visualMode && !cm.somethingSelected()) {
-      exitVisualMode(cm, false);
-    } else if (!vim.visualMode && !vim.insertMode && cm.somethingSelected()) {
-      vim.visualMode = true;
-      vim.visualLine = false;
-      CodeMirror.signal(cm, "vim-mode-change", {mode: "visual"});
-    }
-    if (vim.visualMode) {
-      // Bind CodeMirror selection model to vim selection model.
-      // Mouse selections are considered visual characterwise.
-      var headOffset = !cursorIsBefore(head, anchor) ? -1 : 0;
-      var anchorOffset = cursorIsBefore(head, anchor) ? -1 : 0;
-      head = offsetCursor(head, 0, headOffset);
-      anchor = offsetCursor(anchor, 0, anchorOffset);
-      vim.sel = {
-        anchor: anchor,
-        head: head
-      };
-      updateMark(cm, vim, '<', cursorMin(head, anchor));
-      updateMark(cm, vim, '>', cursorMax(head, anchor));
-    } else if (!vim.insertMode) {
-      // Reset lastHPos if selection was modified by something outside of vim mode e.g. by mouse.
-      vim.lastHPos = cm.getCursor().ch;
-    }
-  }
-
-  /**
-   * Wrapper for special keys pressed in insert mode
-   * @arg {string} keyName
-   */
-  function InsertModeKey(keyName, e) {
-    this.keyName = keyName;
-    this.key = e.key;
-    this.ctrlKey = e.ctrlKey;
-    this.altKey = e.altKey;
-    this.metaKey = e.metaKey;
-    this.shiftKey = e.shiftKey;
-  }
-
-  /**
-   * Handles raw key down events from the text area.
-   * - Should only be active in insert mode.
-   * - For recording deletes in insert mode.
-   * @arg {KeyboardEvent} e
-   */
-  function onKeyEventTargetKeyDown(e) {
-    var macroModeState = vimGlobalState.macroModeState;
-    var lastChange = macroModeState.lastInsertModeChanges;
-    var keyName = CodeMirror.keyName ? CodeMirror.keyName(e) : e.key;
-    if (!keyName) { return; }
-
-    if (keyName.indexOf('Delete') != -1 || keyName.indexOf('Backspace') != -1) {
-      if (lastChange.maybeReset) {
-        lastChange.changes = [];
-        lastChange.maybeReset = false;
-      }
-      lastChange.changes.push(new InsertModeKey(keyName, e));
-    }
-  }
-
-  /**
-   * Repeats the last edit, which includes exactly 1 command and at most 1
-   * insert. Operator and motion commands are read from lastEditInputState,
-   * while action commands are read from lastEditActionCommand.
-   *
-   * If repeatForInsert is true, then the function was called by
-   * exitInsertMode to repeat the insert mode changes the user just made. The
-   * corresponding enterInsertMode call was made with a count.
-   * @arg {CodeMirrorV} cm
-   * @arg {vimState} vim
-   * @arg {number} repeat
-   * @arg {boolean} repeatForInsert
-   */
-  function repeatLastEdit(cm, vim, repeat, repeatForInsert) {
-    var macroModeState = vimGlobalState.macroModeState;
-    macroModeState.isPlaying = true;
-    var lastAction = vim.lastEditActionCommand;
-    var cachedInputState = vim.inputState;
-    function repeatCommand() {
-      if (lastAction) {
-        commandDispatcher.processAction(cm, vim, lastAction);
-      } else {
-        commandDispatcher.evalInput(cm, vim);
-      }
-    }
-    /** @arg {number} repeat */
-    function repeatInsert(repeat) {
-      if (macroModeState.lastInsertModeChanges.changes.length > 0) {
-        // For some reason, repeat cw in desktop VIM does not repeat
-        // insert mode changes. Will conform to that behavior.
-        repeat = !vim.lastEditActionCommand ? 1 : repeat;
-        var changeObject = macroModeState.lastInsertModeChanges;
-        repeatInsertModeChanges(cm, changeObject.changes, repeat);
-      }
-    }
-    // @ts-ignore
-    vim.inputState = vim.lastEditInputState;
-    if (lastAction && lastAction.interlaceInsertRepeat) {
-      // o and O repeat have to be interlaced with insert repeats so that the
-      // insertions appear on separate lines instead of the last line.
-      for (var i = 0; i < repeat; i++) {
-        repeatCommand();
-        repeatInsert(1);
-      }
-    } else {
-      if (!repeatForInsert) {
-        // Hack to get the cursor to end up at the right place. If I is
-        // repeated in insert mode repeat, cursor will be 1 insert
-        // change set left of where it should be.
-        repeatCommand();
-      }
-      repeatInsert(repeat);
-    }
-    vim.inputState = cachedInputState;
-    if (vim.insertMode && !repeatForInsert) {
-      // Don't exit insert mode twice. If repeatForInsert is set, then we
-      // were called by an exitInsertMode call lower on the stack.
-      exitInsertMode(cm);
-    }
-    macroModeState.isPlaying = false;
-  }
-  /**@arg {CodeMirrorV} cm, @arg {string} key */
-  function sendCmKey(cm, key) {
-    CodeMirror.lookupKey(key, 'vim-insert', function keyHandler(binding) {
-      if (typeof binding == 'string') {
-        CodeMirror.commands[binding](cm);
-      } else {
-        binding(cm);
-      }
-      return true;
-    });
-  }
-  function repeatInsertModeChanges(cm, changes, repeat) {
-    var head = cm.getCursor('head');
-    var visualBlock = vimGlobalState.macroModeState.lastInsertModeChanges.visualBlock;
-    if (visualBlock) {
-      // Set up block selection again for repeating the changes.
-      selectForInsert(cm, head, visualBlock + 1);
-      repeat = cm.listSelections().length;
-      cm.setCursor(head);
-    }
-    for (var i = 0; i < repeat; i++) {
-      if (visualBlock) {
-        cm.setCursor(offsetCursor(head, i, 0));
-      }
-      for (var j = 0; j < changes.length; j++) {
-        var change = changes[j];
-        if (change instanceof InsertModeKey) {
-          sendCmKey(cm, change.keyName);
-        } else if (typeof change == "string") {
-          cm.replaceSelection(change);
-        } else {
-          var start = cm.getCursor();
-          var end = offsetCursor(start, 0, change[0].length - (change[1] || 0));
-          cm.replaceRange(change[0], start, change[1] ? start: end);
-          cm.setCursor(end);
-        }
-      }
-    }
-    if (visualBlock) {
-      cm.setCursor(offsetCursor(head, 0, 1));
-    }
-  }
-
-  // multiselect support
-  /** @arg {vimState} state */
-  function cloneVimState(state) {
-    var n = new state.constructor();
-    Object.keys(state).forEach(function(key) {
-      if (key == "insertEnd") return;
-      var o = state[key];
-      if (Array.isArray(o))
-        o = o.slice();
-      else if (o && typeof o == "object" && o.constructor != Object)
-        o = cloneVimState(o);
-      n[key] = o;
-    });
-    if (state.sel) {
-      n.sel = {
-        head: state.sel.head && copyCursor(state.sel.head),
-        anchor: state.sel.anchor && copyCursor(state.sel.anchor)
-      };
-    }
-    return n;
-  }
-  /** @arg {CodeMirror} cm_  @arg {string} key @arg {string} origin */
-  function multiSelectHandleKey(cm_, key, origin) {
-    var vim = maybeInitVimState(cm_);
-    var cm = /**@type {CodeMirrorV}*/(cm_);
-    /** @type {boolean | undefined} */
-    var isHandled = false;
-    var vim = vimApi.maybeInitVimState_(cm);
-    var visualBlock = vim.visualBlock || vim.wasInVisualBlock;
-
-    var wasMultiselect = cm.isInMultiSelectMode();
-    if (vim.wasInVisualBlock && !wasMultiselect) {
-      vim.wasInVisualBlock = false;
-    } else if (wasMultiselect && vim.visualBlock) {
-        vim.wasInVisualBlock = true;
-    }
-
-    if (key == '<Esc>' && !vim.insertMode && !vim.visualMode && wasMultiselect && vim.status == "<Esc>") {
-      // allow editor to exit multiselect
-      clearInputState(cm);
-    // @ts-ignore
-    } else if (visualBlock || !wasMultiselect || cm.inVirtualSelectionMode) {
-      isHandled = vimApi.handleKey(cm, key, origin);
-    } else {
-      var old = cloneVimState(vim);
-      var changeQueueList = vim.inputState.changeQueueList || [];
-
-      cm.operation(function() {
-        if (cm.curOp)
-          cm.curOp.isVimOp = true;
-        var index = 0;
-        cm.forEachSelection(function() {
-          cm.state.vim.inputState.changeQueue = changeQueueList[index];
-          var head = cm.getCursor("head");
-          var anchor = cm.getCursor("anchor");
-          var headOffset = !cursorIsBefore(head, anchor) ? -1 : 0;
-          var anchorOffset = cursorIsBefore(head, anchor) ? -1 : 0;
-          head = offsetCursor(head, 0, headOffset);
-          anchor = offsetCursor(anchor, 0, anchorOffset);
-          cm.state.vim.sel.head = head;
-          cm.state.vim.sel.anchor = anchor;
-
-          isHandled = vimApi.handleKey(cm, key, origin);
-          if (cm.virtualSelection) {
-            changeQueueList[index] = cm.state.vim.inputState.changeQueue;
-            cm.state.vim = cloneVimState(old);
-          }
-          index++;
-        });
-        if (cm.curOp?.cursorActivity && !isHandled)
-          cm.curOp.cursorActivity = false;
-        cm.state.vim = vim
-        vim.inputState.changeQueueList = changeQueueList
-        vim.inputState.changeQueue = null;
-      }, true);
-    }
-    // some commands may bring visualMode and selection out of sync
-    if (isHandled && !vim.visualMode && !vim.insert && vim.visualMode != cm.somethingSelected()) {
-      handleExternalSelection(cm, vim);
-    }
-    return isHandled;
-  }
-  resetVimGlobalState();
-
-  return vimApi;
-};

yarn.lock

@@ -2863,10 +2863,10 @@
   resolved "https://registry.yarnpkg.com/@replit/codemirror-emacs/-/codemirror-emacs-6.0.1.tgz#6e74453e456f40cbb18ed1d15030fa0dbd218098"
   integrity sha512-2WYkODZGH1QVAXWuOxTMCwktkoZyv/BjYdJi2A5w4fRrmOQFuIACzb6pO9dgU3J+Pm2naeiX2C8veZr/3/r6AA==
 
-"@replit/codemirror-vim@^6.1.0":
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/@replit/codemirror-vim/-/codemirror-vim-6.1.0.tgz#bc38f594c0aece36313dcf083d278ccb6dddafb2"
-  integrity sha512-XATcrMBYphSgTTDHaL5cTdBKA+/kwg8x0kHpX9xFHkI8c2G9+nXdkIzFCtk76x1VDYQSlT6orNhudNt+9H9zOA==
+"@replit/codemirror-vim@6.0.14":
+  version "6.0.14"
+  resolved "https://registry.yarnpkg.com/@replit/codemirror-vim/-/codemirror-vim-6.0.14.tgz#8f44740b0497406b551726946c9b30f21c867671"
+  integrity sha512-wwhqhvL76FdRTdwfUWpKCbv0hkp2fvivfMosDVlL/popqOiNLtUhL02ThgHZH8mus/NkVr5Mj582lyFZqQrjOA==
 
 "@replit/codemirror-vscode-keymap@^6.0.2":
   version "6.0.2"