create insertNewRowToMarkdownTable function

packages/editor/src/services/codemirror-editor/use-codemirror-editor/utils/insert-new-row-to-table-markdown.ts

@@ -0,0 +1,60 @@
+import type { ChangeSpec, EditorState, StateCommand } from '@codemirror/state';
+
+// https://regex101.com/r/7BN2fR/10
+const linePartOfTableRE = /^([^\r\n|]*)\|(([^\r\n|]*\|)+)$/;
+// https://regex101.com/r/1UuWBJ/3
+export const emptyLineOfTableRE = /^([^\r\n|]*)\|((\s*\|)+)$/;
+
+const getCurPos = (editorState: EditorState): number => {
+  return editorState.selection.main.head;
+}
+
+const isInTable = (editorState: EditorState): boolean => {
+  const curPos = getCurPos(editorState);
+  const lineText = editorState.doc.lineAt(curPos).text;
+  return linePartOfTableRE.test(lineText);
+};
+
+const getEot = (editorState: EditorState): number => {
+  if (!isInTable(editorState)) {
+    return getCurPos(editorState);
+  }
+
+  const doc = editorState.doc;
+  const lastLine = doc.lines;
+
+  let line = doc.lineAt(getCurPos(editorState)).number + 1;
+
+};
+
+export const insertNewRowToMarkdownTable: StateCommand = ({ state, dispatch }) => {
+
+  const curPos = getCurPos(state);
+
+  const curLine = state.doc.lineAt(curPos).number;
+
+  const bolPos = state.doc.line(curLine).from;
+  const eolPos = state.doc.line(curLine).to;
+
+  const strFromBol = state.sliceDoc(bolPos, curPos);
+  const strToEol = state.sliceDoc(curPos, eolPos);
+
+  const isLastRow;
+
+  if (isInTable()) {
+
+    if (isEndOfLine()) {
+      addRow();
+    }
+
+    else if (isLastRow && emptyLineOfTableRE.test(strFromBol + strToEol) {
+      removeRow();
+    }
+
+    else {
+      reformTable();
+    }
+
+  }
+
+};