70 lines
2.5 KiB
JavaScript
70 lines
2.5 KiB
JavaScript
/*
|
|
* ISC License
|
|
*
|
|
* Copyright (c) 2024 idnovate.com
|
|
* idnovate is a Registered Trademark & Property of idnovate.com, innovación y desarrollo SCP
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
|
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
* @author idnovate
|
|
* @copyright 2024 idnovate
|
|
* @license https://www.isc.org/licenses/ https://opensource.org/licenses/ISC ISC 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)
|
|
};
|
|
});
|
|
|
|
});
|