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diff .cms/lib/codemirror/addon/fold/markdown-fold.js @ 0:78edf6b517a0 draft
24.10
author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.cms/lib/codemirror/addon/fold/markdown-fold.js Fri Oct 11 22:40:23 2024 +0000 @@ -0,0 +1,49 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + +CodeMirror.registerHelper("fold", "markdown", function(cm, start) { + var maxDepth = 100; + + function isHeader(lineNo) { + var tokentype = cm.getTokenTypeAt(CodeMirror.Pos(lineNo, 0)); + return tokentype && /\bheader\b/.test(tokentype); + } + + function headerLevel(lineNo, line, nextLine) { + var match = line && line.match(/^#+/); + if (match && isHeader(lineNo)) return match[0].length; + match = nextLine && nextLine.match(/^[=\-]+\s*$/); + if (match && isHeader(lineNo + 1)) return nextLine[0] == "=" ? 1 : 2; + return maxDepth; + } + + var firstLine = cm.getLine(start.line), nextLine = cm.getLine(start.line + 1); + var level = headerLevel(start.line, firstLine, nextLine); + if (level === maxDepth) return undefined; + + var lastLineNo = cm.lastLine(); + var end = start.line, nextNextLine = cm.getLine(end + 2); + while (end < lastLineNo) { + if (headerLevel(end + 1, nextLine, nextNextLine) <= level) break; + ++end; + nextLine = nextNextLine; + nextNextLine = cm.getLine(end + 2); + } + + return { + from: CodeMirror.Pos(start.line, firstLine.length), + to: CodeMirror.Pos(end, cm.getLine(end).length) + }; +}); + +});