revert increase list line number

Author: metiftikci

web_src/js/features/comp/EditorMarkdown.test.ts

@@ -32,10 +32,10 @@ test('EditorMarkdown', () => {
  testInput({value: '1. \n2. ', pos: 3}, {value: '\n2. ', pos: 0});
 
  testInput('- x', '- x\n- ');
- testInput('1. foo', '1. foo\n2. ');
- testInput({value: '1. a\n2. b\n3. c', pos: 4}, {value: '1. a\n2. \n2. b\n3. c', pos: 8});
+ testInput('1. foo', '1. foo\n1. ');
+ testInput({value: '1. a\n2. b\n3. c', pos: 4}, {value: '1. a\n1. \n2. b\n3. c', pos: 8});
  testInput('- [ ]', '- [ ]\n- ');
  testInput('- [ ] foo', '- [ ] foo\n- [ ] ');
  testInput('* [x] foo', '* [x] foo\n* [ ] ');
- testInput('1. [x] foo', '1. [x] foo\n2. [ ] ');
+ testInput('1. [x] foo', '1. [x] foo\n1. [ ] ');
 });

web_src/js/features/comp/EditorMarkdown.ts

@@ -97,8 +97,7 @@ function handleNewline(textarea: HTMLTextAreaElement, e: Event) {
  // start a new line with the same indention and prefix
  let newPrefix = prefix;
  // a simple approach, otherwise it needs to parse the lines after the current line
- const numberedListMatch = /^(\d+)\.( \[[ x]\])? /.exec(prefix);
- if (numberedListMatch) newPrefix = `${Number(numberedListMatch[1]) + 1}.${numberedListMatch[2] ?? ''} `;
+ if (/^\d+\./.test(prefix)) newPrefix = `1. ${newPrefix.slice(newPrefix.indexOf('.') + 2)}`;
  newPrefix = newPrefix.replace('[x]', '[ ]');
  const newLine = `\n${indention}${newPrefix}`;
  textarea.value = value.slice(0, selStart) + newLine + value.slice(selEnd);