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Update MD037/no-space-in-emphasis to ignore embedded underscore emphasis markers (fixes #444, fixes #408, fixes #354, fixes #324).

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David Anson 2021-12-21 22:21:28 +00:00 • committed by GitHub
parent 3e8d3320f7
commit 7cf9c2d6be
3 changed files with 18 additions and 4 deletions
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6
lib/md037.js
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@ -7,6 +7,7 @@ const { addErrorContext, emphasisMarkersInContent, forEachLine, isBlankLine } =
const { lineMetadata } = require("./cache");
const emphasisRe = /(^|[^\\]|\\\\)(?:(\*\*?\*?)|(__?_?))/g;
const embeddedUnderscoreRe = /([A-Za-z0-9])_([A-Za-z0-9])/g;
const asteriskListItemMarkerRe = /^([\s>]*)\*(\s+)/;
const leftSpaceRe = /^\s+/;
const rightSpaceRe = /\s+$/;
@ -98,13 +99,14 @@ module.exports = {
// Emphasis has no meaning here
return;
}
let patchedLine = line.replace(embeddedUnderscoreRe, "$1 $2");
if (onItemStart) {
// Trim overlapping '*' list item marker
line = line.replace(asteriskListItemMarkerRe, "$1 $2");
patchedLine = patchedLine.replace(asteriskListItemMarkerRe, "$1 $2");
}
let match = null;
// Match all emphasis-looking runs in the line...
while ((match = emphasisRe.exec(line))) {
while ((match = emphasisRe.exec(patchedLine))) {
const ignoreMarkersForLine = ignoreMarkersByLine[lineIndex];
const matchIndex = match.index + match[1].length;
if (ignoreMarkersForLine.includes(matchIndex)) {