仅支持 Markdown 的编辑器：无法用加粗词在末尾强调文本行

Lhc_fl · 2025 年8 月 12 日 03:15

我检查了一下，发现错误应该在这个地方

app/assets/javascripts/discourse/app/lib/textarea-text-manipulation.js

main


      
          let operation = OP.NONE;
          
          const applyEmptyLines = opts && opts.applyEmptyLines;
          
          return lines
            .map((l) => {
              if (!applyEmptyLines && l.length === 0) {
                return l;
              }
          
              if (
                operation !== OP.ADDED &&
                l.slice(0, hlen) === hval &&
                (tlen === 0 || l.slice(-tlen) === tail)
              ) {
                operation = OP.REMOVED;
                if (tlen === 0) {
                  const result = l.slice(hlen);
                  [hval, hlen] = getHead(head, hval);
                  return result;
                } else if (l.slice(-tlen) === tail) {

它没有检测到两侧的标记，只检测到了右侧（尾部）的标记。如果选中文本的右侧出现标记，它就会进入删除块。

这意味着按下 ctrl + b 时，something** 会变成 mething。

已经提交了一个 PR 来修复这个问题

github.com/discourse/discourse

FIX: `applySurround` should detect both sides when deleting surrounde…

main ← Lhcfl:fix-applysurround

opened 03:11AM - 12 Aug 25 UTC

Lhcfl

+56 -2

…d text In the current Textarea Editor `applySurround`, only the right side i…s checked. That means if you write `something**`, pressing `Ctrl + B` will unexpectedly turn it into `mething`, since the `TextareaTextManipulation` detected the double asterisk `**` on the right and thought `something**` was the bold syntax, so it removed it. This commit fixes the bug here. Related meta topic: https://meta.discourse.org/t/-/358800

话题		回复	浏览量
Removing bold/italics formatting while highlighting * results in wrong post-format-removal text highlighting Bug composer	1	358	2024 年3 月 21 日
Can't undo bold by applying bold again Feature	9	1389	2014 年9 月 4 日
Bold and Italic in Chinese Bug markdown-it-review	10	10362	2017 年6 月 26 日
WYSIWYG buttons on multiline text bug Bug	5	1457	2015 年3 月 26 日
Ctrl-B selects asterisks Bug	3	1533	2015 年4 月 7 日

仅支持 Markdown 的编辑器：无法用加粗词在末尾强调文本行

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