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Formatting buttons: handle nested formatting

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This commit is contained in:
gldrk 2023-11-29 21:32:55 +03:00
parent b9be722f73
commit 624b6eaf45
1 changed files with 8 additions and 1 deletions
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9
files/assets/js/formatting.js
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@ -32,10 +32,17 @@
};
};
var enclose = function(mark) {
var re = new RegExp(escape(mark) + '(\\S[^]*?\\S|\\S)' + escape(mark), 'g');
var re = (function() {
var pat = escape(mark);
return new RegExp(pat + '(\\S([^](?!\\s' + pat + '\\S))*?\\S|\\S)' + pat, 'g');
})();
return select(function(selection) {
return selection.replace(/[^]*?(?=\n{2,})|[^]*/g, function(selection) {
var replacement = selection.replace(re, '$1');
for (var old = Infinity;
replacement.length < old;
replacement = replacement.replace(re, '$1'))
old = replacement.length;
if (replacement.length == selection.length)
replacement = replacement.replace(/\S[^]*\S|\S/, function (str) {
return mark + str + mark;