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Merge a9af9fb26596e0fae0b8c277e0d02fed8661c12a into 2996b67ec95ec69000ee03ccaee4fcca26cfc701

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Pierre-Henri Lavigne 2025-09-07 12:47:28 +00:00 committed by GitHub
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2 changed files with 694 additions and 20 deletions

View File

@ -0,0 +1,27 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Example / Preview / parsingConfig / headingLevels</title>
<link rel="stylesheet" href="../dist/easymde.min.css">
<script src="../dist/easymde.min.js"></script>
</head>
<body>
<textarea>## Lorem Ipsum
Lorem ipsum dolor sit amet, consectetur adipiscing elit. **Aliquam odio enim**, porta in odio eu, posuere blandit ipsum. Donec non eleifend nulla. Nullam mattis viverra tortor in rutrum. Phasellus non auctor dolor, laoreet aliquam purus. Pellentesque eget tempus sem, et tempus neque. *Etiam fringilla id odio nec feugiat*.
Quisque vitae orci eget quam auctor bibendum. Donec dapibus libero non tortor condimentum, **sed lobortis quam tempor**. Morbi purus nisi, maximus ac libero sed, sollicitudin dictum mi. Ut nibh quam, efficitur vel vulputate quis, efficitur nec dui. Ut ut ultricies eros. Pellentesque et nisl at augue ullamcorper tempor. Cras quam risus, commodo a interdum in, vestibulum a ligula. Vestibulum et aliquam nulla.
### Dolor Sit Amet</textarea>
<script>
const easyMDE = new EasyMDE({
parsingConfig: {
headingLevels: [ 5, 2, 3, 5 ]
}
});
</script>
</body>
</html>

View File

@ -994,7 +994,7 @@ function toggleSideBySide(editor) {
} }
var sideBySideRenderingFunction = function () { var sideBySideRenderingFunction = function () {
var newValue = editor.options.previewRender(editor.value(), preview); var newValue = editor.options.previewRender(editor.options.markdownFilters.apply_filters(editor.value()), preview);
if (newValue != null) { if (newValue != null) {
preview.innerHTML = newValue; preview.innerHTML = newValue;
} }
@ -1005,7 +1005,7 @@ function toggleSideBySide(editor) {
} }
if (useSideBySideListener) { if (useSideBySideListener) {
var newValue = editor.options.previewRender(editor.value(), preview); var newValue = editor.options.previewRender(editor.options.markdownFilters.apply_filters(editor.value()), preview);
if (newValue != null) { if (newValue != null) {
preview.innerHTML = newValue; preview.innerHTML = newValue;
} }
@ -1074,7 +1074,7 @@ function togglePreview(editor) {
} }
} }
var preview_result = editor.options.previewRender(editor.value(), preview); var preview_result = editor.options.previewRender(editor.options.markdownFilters.apply_filters(editor.value()), preview);
if (preview_result !== null) { if (preview_result !== null) {
preview.innerHTML = preview_result; preview.innerHTML = preview_result;
} }
@ -1124,6 +1124,13 @@ function _toggleHeading(cm, direction, size) {
var startPoint = cm.getCursor('start'); var startPoint = cm.getCursor('start');
var endPoint = cm.getCursor('end'); var endPoint = cm.getCursor('end');
var sharpLevels = cm.options.backdrop ? (cm.options.backdrop.headingLevels || []) : (cm.options.mode ? (cm.options.mode.headingLevels || []) : []),
minLevel = sharpLevels.length ? sharpLevels[0] : 1,
maxLevel = sharpLevels.length ? sharpLevels[sharpLevels.length-1] : 6;
if (size && sharpLevels.length && sharpLevels.indexOf(size) === -1) {
cm.focus();
return false;
}
for (var i = startPoint.line; i <= endPoint.line; i++) { for (var i = startPoint.line; i <= endPoint.line; i++) {
(function (i) { (function (i) {
var text = cm.getLine(i); var text = cm.getLine(i);
@ -1132,14 +1139,20 @@ function _toggleHeading(cm, direction, size) {
if (direction !== undefined) { if (direction !== undefined) {
if (currHeadingLevel <= 0) { if (currHeadingLevel <= 0) {
if (direction == 'bigger') { if (direction == 'bigger') {
text = '###### ' + text; text = '#'.repeat(maxLevel) + ' ' + text;
} else { } else {
text = '# ' + text; text = '#'.repeat(minLevel) + ' ' + text;
}
} else if (currHeadingLevel == maxLevel && direction == 'smaller') {
text = text.substr(maxLevel + 1);
} else if (currHeadingLevel == minLevel && direction == 'bigger') {
text = text.substr(minLevel + 1);
} else if (sharpLevels.length) {
if (direction == 'bigger') {
text = '#'.repeat(sharpLevels[sharpLevels.indexOf(currHeadingLevel)-1]) + text.replace(/^[#]+/, '' );
} else {
text = '#'.repeat(sharpLevels[sharpLevels.indexOf(currHeadingLevel)+1]) + text.replace(/^[#]+/, '' );
} }
} else if (currHeadingLevel == 6 && direction == 'smaller') {
text = text.substr(7);
} else if (currHeadingLevel == 1 && direction == 'bigger') {
text = text.substr(2);
} else { } else {
if (direction == 'bigger') { if (direction == 'bigger') {
text = text.substr(1); text = text.substr(1);
@ -1808,14 +1821,106 @@ function EasyMDE(options) {
} }
} }
// Generic mardown text render filter utility
options.markdownFilters = (function(){
var registered = {},
queue = [];
return {
add_filter: function(name, fnc) {
if (typeof fnc === 'function') {
registered[name] = fnc;
queue.push(name);
return true;
}
return false;
},
apply_filter: function(name, text) {
if (registered[name] && typeof registered[name] === 'function') {
return registered[name].call(this, text);
}
return text;
},
apply_filters: function(text) {
if (!queue || !queue.length) {
return text;
}
for (var q=0,fncs=registered||[],max=queue.length; q<max; q++) {
var idx = queue[q];
if (fncs[idx] && typeof fncs[idx] === 'function') {
text = fncs[idx].call(this, text);
}
}
return text;
},
};
})();
// The markdown module uses tabs as indent. Switch to tabs for the preview to render properly
options.markdownFilters.add_filter( 'tab2space', function(text) {
var indents = text.match(/\n\s+/g) || [];
for (var i=0,tmp; i<indents.length; i++) {
tmp = indents[i].replace(' ', '\t');
text = text.replace(indents[i], tmp);
}
return text;
});
// Selective headings levels
if (options.parsingConfig && options.parsingConfig.headingLevels) {
var headingLevels = [];
for ( var l = 0, requestedLevels = options.parsingConfig.headingLevels; l < requestedLevels.length; l++ ) {
requestedLevels[ l ] = parseInt( requestedLevels[ l ], 10 );
if ( isNaN( requestedLevels[ l ] ) || headingLevels.indexOf( requestedLevels[ l ] ) !== -1 ) {
continue;
}
if ( requestedLevels[ l ] < 1 && requestedLevels[ l ] > 6 ) {
continue;
}
headingLevels[ l ] = requestedLevels[ l ];
}
options.parsingConfig.headingLevels = headingLevels.sort();
if (options.parsingConfig.headingLevels.length > 0 && !options.overlayMode) {
options.overlayMode = {
mode: {
name: 'escsharp-mode',
token: function(stream) {
var ch = stream.peek();
if (ch === '\\') {
stream.next();
ch = stream.peek();
if (ch === '#') {
stream.next();
return 'sharp-escaped';
}
}
stream.next();
return null;
},
},
combine: true,
};
}
options.markdownFilters.add_filter('sharp_list', function(text){
// Quick trick to trigger order list rendering
return text.replace(/\\#([^#]{1})/g, '1.$1');
});
}
// Add default preview rendering function // Add default preview rendering function
if (!options.previewRender) { if (!options.previewRender) {
if (options.previewRenderedMarkdown) {
options.previewRender = function (plainText, preview) {
plainText = options.markdownFilters.apply_filters(plainText);
return options.previewRenderedMarkdown(this.parent.markdown(plainText), preview);
};
}
else {
options.previewRender = function (plainText) { options.previewRender = function (plainText) {
// Note: "this" refers to the options object // Note: "this" refers to the options object
plainText = options.markdownFilters.apply_filters(plainText);
return this.parent.markdown(plainText); return this.parent.markdown(plainText);
}; };
} }
}
// Set default options for parsing config // Set default options for parsing config
@ -1823,7 +1928,6 @@ function EasyMDE(options) {
highlightFormatting: true, // needed for toggleCodeBlock to detect types of code highlightFormatting: true, // needed for toggleCodeBlock to detect types of code
}, options.parsingConfig || {}); }, options.parsingConfig || {});
// Merging the insertTexts, with the given options // Merging the insertTexts, with the given options
options.insertTexts = extend({}, insertTexts, options.insertTexts || {}); options.insertTexts = extend({}, insertTexts, options.insertTexts || {});
@ -2123,9 +2227,14 @@ EasyMDE.prototype.render = function (el) {
CodeMirror.defineMode('overlay-mode', function (config) { CodeMirror.defineMode('overlay-mode', function (config) {
return CodeMirror.overlayMode(CodeMirror.getMode(config, options.spellChecker !== false ? 'spell-checker' : 'gfm'), options.overlayMode.mode, options.overlayMode.combine); return CodeMirror.overlayMode(CodeMirror.getMode(config, options.spellChecker !== false ? 'spell-checker' : 'gfm'), options.overlayMode.mode, options.overlayMode.combine);
}); });
mode = 'overlay-mode'; mode = 'overlay-mode';
backdrop = options.parsingConfig; backdrop = options.parsingConfig;
backdrop.name = 'gfm';
backdrop.gitHubSpice = false;
} else if (options.spellChecker !== false) {
mode = 'spell-checker';
backdrop = options.parsingConfig;
backdrop.name = 'gfm';
backdrop.gitHubSpice = false; backdrop.gitHubSpice = false;
} else { } else {
mode = options.parsingConfig; mode = options.parsingConfig;
@ -2133,11 +2242,6 @@ EasyMDE.prototype.render = function (el) {
mode.gitHubSpice = false; mode.gitHubSpice = false;
} }
if (options.spellChecker !== false) { if (options.spellChecker !== false) {
mode = 'spell-checker';
backdrop = options.parsingConfig;
backdrop.name = 'gfm';
backdrop.gitHubSpice = false;
if (typeof options.spellChecker === 'function') { if (typeof options.spellChecker === 'function') {
options.spellChecker({ options.spellChecker({
codeMirrorInstance: CodeMirror, codeMirrorInstance: CodeMirror,
@ -2190,6 +2294,548 @@ EasyMDE.prototype.render = function (el) {
cm.save(); cm.save();
}); });
} }
if (options.parsingConfig.headingLevels && options.parsingConfig.headingLevels.length) {
// If the *headingLevels* argument is present, set our custom modifiers
var headingMakeBigger = function(heading, from, to) {
heading = heading || '';
if (!from || !to || from >= to) {
return '';
}
var level = '';
if (!heading.length) {
while (from < to) {
level += '#';
from++;
}
level += ' ';
return level;
} else {
while (to > 0) {
level += '#';
to--;
}
level += ' ';
return /#/.test(heading) ? heading.replace(/^[#]+\s*/, level) : level;
}
};
var headingMakeSmaller = function(heading, from, to) {
heading = heading || '';
if (!from || !to || from <= to) {
return '';
}
var level = '';
if (!heading.length) {
while (from > to) {
level += '#';
from--;
}
level += ' ';
return level;
} else {
while (to > 0) {
level += '#';
to--;
}
level += ' ';
return /#/.test(heading) ? heading.replace(/^[#]+\s*/, level) : level;
}
};
var headingNeedUpdate = function(currHeading, allowedHeadingLevels, levelSearchDir) {
if (!currHeading || !allowedHeadingLevels) {
return false;
}
// currHeading = currHeading.trim();
if (!/^#+/.test(currHeading)){
return false;
}
var currHeadingLevel = (currHeading.match(/^([#]+)/g) || [''])[0].length;
if (allowedHeadingLevels.indexOf(currHeadingLevel) !== -1) {
return false;
}
levelSearchDir = levelSearchDir || 'asc';
var newHeadingLevel = -1, n = 0;
if (levelSearchDir === 'asc') {
while (n < allowedHeadingLevels.length) {
if (allowedHeadingLevels[n] > currHeadingLevel) {
newHeadingLevel = allowedHeadingLevels[n];
break;
}
n++;
}
}
if (newHeadingLevel < 0) {
n = allowedHeadingLevels.length - 1;
while (n > -1) {
if (allowedHeadingLevels[n] < currHeadingLevel) {
newHeadingLevel = allowedHeadingLevels[n];
break;
}
n--;
}
if (levelSearchDir === 'dsc') {
currHeadingLevel += 1;
if (newHeadingLevel < 0) {
newHeadingLevel = 0;
}
}
}
if (newHeadingLevel < 0 || newHeadingLevel === currHeadingLevel) {
return false;
}
return {
from: currHeadingLevel,
to: newHeadingLevel,
diff: Math.abs(newHeadingLevel - currHeadingLevel),
};
};
var headingCheckNew = function(cm, obj) {
var currHeading = cm.getRange({
line: obj.from.line,
ch: 0,
}, {
line: obj.to.line,
ch: obj.to.ch,
});
var allowedHeadingLevels = cm.options.backdrop ? cm.options.backdrop.headingLevels : cm.options.mode.headingLevels;
if (allowedHeadingLevels.indexOf('1') === -1 && /input/.test(obj.origin) && obj.from.line === obj.to.line && obj.text.length === 1) {
if (/^\s*#$/.test(currHeading) && obj.text[0] === ' ') {
obj.cancel();
cm.doc.replaceRange(currHeading.replace('#','\\# '), {
line: obj.from.line,
ch: 0,
}, {
line: obj.to.line,
ch: obj.to.ch,
});
return false;
}
}
var myLevels = headingNeedUpdate(currHeading, allowedHeadingLevels);
if (!myLevels || !myLevels.from || !myLevels.to) {
return false;
}
if (obj.from.line === obj.to.line) {
// Most simple case when a modification has occured on a single line
if (myLevels.to > myLevels.from) {
// Current level is forbidden so we jump to the closest upper level allowed
// We only need to reset the sharp numbers with the appropriate value before the modification is applied
obj.text[0] = headingMakeBigger('', myLevels.from, myLevels.to);
} else {
// The current level is forbidden and we jump to the closest lower level available
// A bit more is needed: we have to cancel the requested update and trigger a replacement with the existing sharp signs
obj.cancel();
var newHeading = '';
while (myLevels.to > 0) {
newHeading += '#';
myLevels.to--;
}
newHeading += ' ';
cm.doc.replaceRange(newHeading, {
line: obj.from.line,
ch: 0,
}, {
line: obj.to.line,
ch: obj.to.ch,
}, currHeading ); // 4th arguments to keep a trace in the history when possible
}
}
return true;
};
var headingCheckExisting = function(cm, obj) {
var myText,
allowedHeadingLevels = cm.options.backdrop ? cm.options.backdrop.headingLevels : cm.options.mode.headingLevels;
if (allowedHeadingLevels.indexOf('1') === -1 && obj.from.line === obj.to.line && obj.text.length === 1) {
myText = cm.getRange({
line: obj.from.line,
ch: 0,
}, {
line: obj.to.line,
ch: obj.to.ch,
});
if (/input/.test(obj.origin || '') ) {
if (/^\s+$/.test(myText) && obj.text[0] === '#') {
obj.cancel();
cm.doc.replaceRange(myText+'\\#', {
line: obj.from.line,
ch: 0,
}, {
line: obj.to.line,
ch: obj.to.ch,
});
return false;
}
else if (myText === '' && obj.text[0] === '#') {
obj.cancel();
cm.doc.replaceRange('\\#', {
line: obj.from.line,
ch: 0,
}, {
line: obj.to.line,
ch: obj.to.ch,
});
return false;
}
else if (/^\s*\\#$/.test(myText) && obj.text[0] === '#') {
obj.cancel();
cm.doc.replaceRange(myText.replace('\\', '') + '#', {
line: obj.from.line,
ch: 0,
}, {
line: obj.to.line,
ch: obj.to.ch,
});
return false;
}
}
else if (/delete/.test(obj.origin || '') && /^\s*\\#$/.test(myText) && obj.text[0] === '') {
obj.cancel();
cm.doc.replaceRange(myText.replace('\\#',''), {
line: obj.from.line,
ch: 0,
}, {
line: obj.to.line,
ch: obj.to.ch,
});
return false;
}
}
var myChar = cm.getRange({
line: obj.from.line,
ch: obj.from.ch,
}, {
line: obj.to.line,
ch: obj.to.ch + 1,
});
if (!/\s|#/.test(myChar || '')) {
// Don't bother to go further if no heading were detected
return false;
}
if ((obj.from.line === obj.to.line) && obj.text.length < 2) {
var myLevels;
myText = cm.getRange({
line: obj.from.line,
ch: 0,
}, {
line: obj.to.line,
ch: 8,
});
if (/input/.test(obj.origin) && obj.text[0] === '#') {
if (!/[^\s#]/.test(myText)) {
// Newly created, skip the check for now
return false;
}
if (!/#/.test(myText)) {
myText = '# ' + myText.trim(); // Wasn't heading
} else {
myText = myText.replace(/#/, '##'); // Increment one sharp sign
}
myLevels = headingNeedUpdate(myText, allowedHeadingLevels);
if (!myLevels) {
return false;
}
if (myLevels.to < myLevels.from) {
obj.cancel();
return false;
}
obj.text[0] = '#';
while (myLevels.from < myLevels.to) {
obj.text[0] += '#';
myLevels.from++;
}
return true;
}
else if (/delete/.test(obj.origin) && obj.text[0] === '') {
var delChar = cm.getRange({
line: obj.from.line,
ch: obj.from.ch,
}, {
line: obj.to.line,
ch: obj.to.ch,
});
if (!delChar || !delChar.length) {
return false;
}
var searchDir = 'asc', myStart = {
line: obj.from.line,
ch: 0,
}, myEnd;
if (delChar.length === 1) {
myText = cm.getRange({line: obj.from.line, ch: 0}, {line: obj.to.line, ch: 8});
var myTextPart1 = myText.substring(0, obj.from.ch),
myTextPart2 = myText.substring(obj.from.ch + 1),
isPart1Heading = /^#/.test(myTextPart1) ? true : false,
isPart2Heading = /^#/.test(myTextPart2) ? true : false;
if (!isPart1Heading && !isPart2Heading) {
return false;
}
myText = myTextPart1 + myTextPart2;
searchDir = delChar === '#' ? 'dsc' : 'asc';
myEnd = {
line: obj.to.line,
ch: 8,
};
} else {
myText = cm.getRange({
line: obj.from.line,
ch: 0,
}, {
line: obj.to.line,
ch: obj.to.ch + 8,
});
myText = myText.replace(delChar, '');
myEnd = {
line: obj.to.line,
ch: obj.to.ch + 8,
};
}
myLevels = headingNeedUpdate(myText, allowedHeadingLevels, searchDir);
if (!myLevels || !myLevels.diff) {
return false;
}
obj.cancel();
obj.text[0] = '';
if (myLevels.to > 0) {
while (myLevels.to > 0) {
obj.text[0] += '#';
myLevels.to--;
}
}
if (delChar === '#') {
myLevels.from--;
}
var newText = myText.replace(new RegExp('^#' + '{' + myLevels.from + '}'), obj.text[0]);
// Just in case do not trim on both side, only trim the space that could remain next to the cursor
newText = newText.replace(/^\s*/, '');
cm.doc.replaceRange(newText, myStart, myEnd);
// Be gentle and set back the cursor at the appropriate position
cm.doc.setCursor({
line: obj.to.line,
ch: obj.text[0].length ? obj.text[0].length + 1 : 0,
});
return true;
}
}
};
var headingCheckRow = function(row, cm) {
if (!row || !/^#/.test(row.trim())) {
return row;
}
// row = row.replace(/^(\s*)#/, '#');
var myLevels = headingNeedUpdate(row, cm.options.backdrop ? cm.options.backdrop.headingLevels : cm.options.mode.headingLevels);
if (!myLevels || !myLevels.from || !myLevels.to) {
return row;
} else if (myLevels.from < myLevels.to) {
return headingMakeBigger(row, myLevels.from, myLevels.to);
} else if (myLevels.to < myLevels.from) {
return headingMakeSmaller(row, myLevels.from, myLevels.to);
}
return row;
};
this.codemirror.on('beforeChange', function (cm, obj) {
// console.log(obj);
if (!obj || !obj.from || !obj.to || !obj.text || !obj.text.length) {
// Don't go further 'cause a required argument is missing...
return false;
}
if (!obj.origin) {
// If a modification was triggered by a code and not an human
// The origin can be "undefined", so just in case set one.
obj.origin = '+none';
}
if ((obj.from.line === obj.to.line) && obj.text.length < 2) {
if (!/delete/.test(obj.origin) && obj.to.ch > 6) {
// No need to trigger a check if we are on the same line at character 7 or upper
// As we are sure the cursor was not inside a range containing a sharp sign
return false;
}
/*
if (obj.from.ch === 0 && obj.to.ch === 0 && /\s/.test(obj.text[0] || '')) {
// (Force) Prevent space at the beginning of the line
obj.cancel();
return false;
}
*/
if (/input/.test(obj.origin)) { // Something was added
if (obj.text.length === 1 && obj.text[0].length === 1) {
// Only one character on one line is being updated
if (obj.text[0] === ' ') {
return headingCheckNew(cm, obj);
} else if (obj.text[0] === '#') {
return headingCheckExisting(cm, obj);
}
}
} else if (/delete/.test(obj.origin)) { // Something was removed
if (obj.text.length === 1 && !obj.text[0].length) {
// Only one character on one line has been removed
return headingCheckExisting(cm, obj);
}
}
}
// Multilines modification like a paste
var startText = '', endText = '', oldText = '', newText = '';
if (!/delete/.test(obj.origin)) {
if (obj.text.length < 2 && obj.text[0].length < 2) {
return false;
}
var r = 0, rEnd = obj.text.length; // Start row / End row
if (obj.from.ch > 7) {
// We are sure an new heading is not involved or conflicting with an existing one
// So we can safely exclude the first row from the verification loop
r = 1;
}
while (r < rEnd) {
if (!r && obj.from.ch > 0) {
// We need to check the first row in case an existing heading exists or is updated
startText = cm.getRange({
line: obj.from.line,
ch: 0,
}, {
line: obj.from.line,
ch: obj.from.ch,
});
if (/#/.test(startText)) {
oldText = startText + obj.text[r];
oldText = oldText.replace(/#\s+#/, '##');
newText = headingCheckRow(oldText, cm);
if (oldText !== newText) { // A modification has been made
obj.text[r] = newText.substring(obj.from.ch);
}
}
}
else if (r === rEnd - 1) {
endText = cm.getRange({
line: obj.from.line,
ch: obj.from.ch,
}, {
line: obj.from.line,
ch: obj.from.ch + 8,
});
if (/#/.test(endText)) {
oldText = obj.text[r] + endText;
oldText = oldText.replace(/#\s+#/, '##');
newText = headingCheckRow(oldText, cm);
if (oldText !== newText) { // A modification has been made
obj.text[r] = newText.replace(endText, '');
}
}
else {
obj.text[r] = headingCheckRow(obj.text[r], cm);
}
}
else { // 2nd and next rows
obj.text[r] = headingCheckRow(obj.text[r], cm);
}
r++;
}
} else {
// Multilines / multicharacters were removed
if (obj.from.ch > 7 || obj.text.length > 1 || obj.text[0].length > 1) {
return false;
}
startText = cm.getRange({
line: obj.from.line,
ch: 0,
}, {
line: obj.from.line,
ch: obj.from.ch,
});
endText = cm.getRange({
line: obj.to.line,
ch: obj.to.ch,
}, {
line: obj.to.line,
ch: obj.to.ch + 8,
});
oldText = startText + endText;
oldText = oldText.replace(/#\s+#/, '##');
if (/#/.test(oldText)) {
newText = headingCheckRow(oldText, cm);
if (oldText !== newText) { // A modification has been made
obj.cancel();
cm.doc.replaceRange('', {
line: obj.from.line,
ch: obj.from.ch,
}, {
line: obj.to.line,
ch: obj.to.ch,
});
cm.doc.replaceRange(newText, {
line: obj.from.line,
ch: 0,
}, {
line: obj.from.line,
ch: obj.from.ch + 8,
});
}
}
}
});
if (options.parsingConfig.headingLevels.indexOf(1) === -1) {
// Modify the cursor behavior to avoid being in the middle of \# (|\# {->} \#| or \#| {<-} |\#)
// Thanks to https://stackoverflow.com/questions/32622128/codemirror-how-to-read-editor-text-before-or-after-cursor-position
this.codemirror.on('cursorActivity', function(cm) {
var currCursor = cm.doc.getCursor(),
line = currCursor.line,
ch = currCursor.ch,
cursorString = cm.doc.getLine(line).substr(Math.max(ch-1,0),2);
if (cursorString === '\\#' && currCursor.sticky) {
if (currCursor.sticky === 'after') {
cm.focus();
cm.doc.setCursor({
line: line,
ch: Math.max(ch-1,0),
});
}
else if (currCursor.sticky === 'before') {
cm.focus();
cm.doc.setCursor({
line: line,
ch: ch+1,
});
}
}
});
// Make the \# sharp combo behaves as a list
this.codemirror.on('keyHandled', function(cm, kn, ev) {
if (!kn || kn !== 'Enter' || !ev) {
return true;
}
var currCursor = cm.doc.getCursor(),
prevLine = currCursor.line - 1;
if (prevLine < 0) {
return true;
}
var prevText = cm.getRange({
line: prevLine,
ch: 0,
}, {
line: prevLine,
ch: 20,
});
if (/^[ ]*\\#[ ]*/.test(prevText)) {
var newTextLine = prevText.match(/^[ ]*\\#[ ]*/)[0];
cm.doc.replaceRange(newTextLine, {
line: currCursor.line,
ch: 0,
}, {
line: currCursor.line,
ch: newTextLine.length,
});
} else if (/^ +/.test(prevText)) {
var spaces = prevText.match(/ +/);
if (spaces.length) {
cm.doc.replaceRange(' '.repeat(spaces.length), {
line: currCursor.line,
ch: 0,
}, {
line: currCursor.line,
ch: 0 + spaces.length,
});
}
}
});
}
}
this.gui = {}; this.gui = {};
@ -2868,6 +3514,7 @@ EasyMDE.prototype.value = function (val) {
if (this.isPreviewActive()) { if (this.isPreviewActive()) {
var wrapper = cm.getWrapperElement(); var wrapper = cm.getWrapperElement();
var preview = wrapper.lastChild; var preview = wrapper.lastChild;
val = this.options.markdownFilters.apply_filters(val);
var preview_result = this.options.previewRender(val, preview); var preview_result = this.options.previewRender(val, preview);
if (preview_result !== null) { if (preview_result !== null) {
preview.innerHTML = preview_result; preview.innerHTML = preview_result;