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@@ -1,179 +0,0 @@
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-/**
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- * Utility for markdown drawio
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- */
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-class MarkdownDrawioUtil {
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-
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- constructor() {
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- this.lineBeginPartOfDrawioRE = /^```(\s.*)drawio$/;
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- this.lineEndPartOfDrawioRE = /^```$/;
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- }
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-
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- /**
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- * return the postion of the BOD(beginning of drawio)
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- * (If the BOD is not found after the cursor or the EOD is found before the BOD, return null)
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- */
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- getBod(editor) {
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- const curPos = editor.getCursor();
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- const firstLine = editor.getDoc().firstLine();
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-
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- if (this.lineBeginPartOfDrawioRE.test(editor.getDoc().getLine(curPos.line))) {
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- return { line: curPos.line, ch: 0 };
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- }
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-
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- let line = curPos.line - 1;
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- let isFound = false;
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- for (; line >= firstLine; line--) {
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- const strLine = editor.getDoc().getLine(line);
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- if (this.lineBeginPartOfDrawioRE.test(strLine)) {
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- isFound = true;
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- break;
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- }
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-
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- if (this.lineEndPartOfDrawioRE.test(strLine)) {
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- isFound = false;
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- break;
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- }
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- }
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-
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- if (!isFound) {
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- return null;
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- }
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-
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- const bodLine = Math.max(firstLine, line);
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- return { line: bodLine, ch: 0 };
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- }
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-
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- /**
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- * return the postion of the EOD(end of drawio)
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- * (If the EOD is not found after the cursor or the BOD is found before the EOD, return null)
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- */
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- getEod(editor) {
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- const curPos = editor.getCursor();
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- const lastLine = editor.getDoc().lastLine();
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-
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- if (this.lineEndPartOfDrawioRE.test(editor.getDoc().getLine(curPos.line))) {
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- return { line: curPos.line, ch: editor.getDoc().getLine(curPos.line).length };
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- }
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-
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- let line = curPos.line + 1;
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- let isFound = false;
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- for (; line <= lastLine; line++) {
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- const strLine = editor.getDoc().getLine(line);
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- if (this.lineEndPartOfDrawioRE.test(strLine)) {
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- isFound = true;
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- break;
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- }
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-
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- if (this.lineBeginPartOfDrawioRE.test(strLine)) {
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- isFound = false;
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- break;
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- }
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- }
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-
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- if (!isFound) {
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- return null;
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- }
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-
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- const eodLine = Math.min(line, lastLine);
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- const lineLength = editor.getDoc().getLine(eodLine).length;
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- return { line: eodLine, ch: lineLength };
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- }
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-
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- /**
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- * return boolean value whether the cursor position is in a drawio
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- */
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- isInDrawioBlock(editor) {
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- const bod = this.getBod(editor);
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- const eod = this.getEod(editor);
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- if (bod === null || eod === null) {
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- return false;
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- }
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- return JSON.stringify(bod) !== JSON.stringify(eod);
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- }
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-
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- /**
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- * return drawioData instance where the cursor is
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- * (If the cursor is not in a drawio block, return null)
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- */
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- getMarkdownDrawioMxfile(editor) {
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- if (this.isInDrawioBlock(editor)) {
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- const bod = this.getBod(editor);
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- const eod = this.getEod(editor);
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-
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- // skip block begin sesion("``` drawio")
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- bod.line++;
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- // skip block end sesion("```")
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- eod.line--;
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- eod.ch = editor.getDoc().getLine(eod.line).length;
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-
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- return editor.getDoc().getRange(bod, eod);
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- }
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- return null;
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- }
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-
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- replaceFocusedDrawioWithEditor(editor, drawioData) {
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- const curPos = editor.getCursor();
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- const drawioBlock = ['``` drawio', drawioData.toString(), '```'].join('\n');
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- let beginPos;
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- let endPos;
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-
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- if (this.isInDrawioBlock(editor)) {
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- beginPos = this.getBod(editor);
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- endPos = this.getEod(editor);
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- }
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- else {
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- beginPos = { line: curPos.line, ch: curPos.ch };
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- endPos = { line: curPos.line, ch: curPos.ch };
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- }
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-
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- editor.getDoc().replaceRange(drawioBlock, beginPos, endPos);
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- }
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-
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- /**
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- * return markdown where the drawioData specified by line number params is replaced to the drawioData specified by drawioData param
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- * @param {string} drawioData
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- * @param {string} markdown
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- * @param beginLineNumber
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- * @param endLineNumber
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- */
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- replaceDrawioInMarkdown(drawioData, markdown, beginLineNumber, endLineNumber) {
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- const splitMarkdown = markdown.split(/\r\n|\r|\n/);
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- const markdownBeforeDrawio = splitMarkdown.slice(0, beginLineNumber - 1);
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- const markdownAfterDrawio = splitMarkdown.slice(endLineNumber);
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-
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- let newMarkdown = '';
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- if (markdownBeforeDrawio.length > 0) {
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- newMarkdown += `${markdownBeforeDrawio.join('\n')}\n`;
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- }
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- newMarkdown += '``` drawio\n';
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- newMarkdown += drawioData;
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- newMarkdown += '\n```';
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- if (markdownAfterDrawio.length > 0) {
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- newMarkdown += `\n${markdownAfterDrawio.join('\n')}`;
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- }
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-
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- return newMarkdown;
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- }
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-
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- /**
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- * return an array of the starting line numbers of the drawio sections found in markdown
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- */
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- findAllDrawioSection(editor) {
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- const lineNumbers = [];
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- // refs: https://github.com/codemirror/CodeMirror/blob/5.64.0/addon/fold/foldcode.js#L106-L111
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- for (let i = editor.firstLine(), e = editor.lastLine(); i <= e; i++) {
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- const line = editor.getLine(i);
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- const match = this.lineBeginPartOfDrawioRE.exec(line);
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- if (match) {
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- lineNumbers.push(i);
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- }
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- }
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- return lineNumbers;
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- }
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-
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-}
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-
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-// singleton pattern
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-const instance = new MarkdownDrawioUtil();
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-Object.freeze(instance);
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-export default instance;
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