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Update MD037/no-space-in-emphasis to ignore emphasis markers in link text/destination (refs #286).

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David Anson 2020-05-08 16:01:42 -07:00
parent 0cea489e18
commit 37f1d6b64b
3 changed files with 38 additions and 8 deletions
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22
helpers/helpers.js
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@ -28,6 +28,9 @@ module.exports.orderedListItemMarkerRe = /^[\s>]*0*(\d+)[.)]/;
// Regular expression for emphasis markers
const emphasisMarkersRe = /[_*]+/g;
// Regular expression for links
const linkRe = /\[(?:[^\]]|\[[^\]]*\])*\]\(\S*\)/g;
// readFile options for reading with the UTF-8 encoding
module.exports.utf8Encoding = { "encoding": "utf8" };
@ -494,14 +497,15 @@ module.exports.frontMatterHasTitle =
};
/**
* Returns a list of emphasis markers in code spans.
* Returns a list of emphasis markers in code spans and links.
*
* @param {Object} params RuleParams instance.
* @returns {number[][]} List of markers.
*/
function emphasisMarkersInCodeSpans(params) {
function emphasisMarkersInContent(params) {
const { lines } = params;
const byLine = new Array(lines.length);
// Search code spans
filterTokens(params, "inline", (token) => {
const { children, lineNumber, map } = token;
if (children.some((child) => child.type === "code_inline")) {
@ -524,9 +528,21 @@ function emphasisMarkersInCodeSpans(params) {
);
}
});
// Search links
lines.forEach((tokenLine, tokenLineIndex) => {
let linkMatch = null;
while ((linkMatch = linkRe.exec(tokenLine))) {
let markerMatch = null;
while ((markerMatch = emphasisMarkersRe.exec(linkMatch[0]))) {
const inLine = byLine[tokenLineIndex] || [];
inLine.push(linkMatch.index + markerMatch.index);
byLine[tokenLineIndex] = inLine;
}
}
});
return byLine;
}
module.exports.emphasisMarkersInCodeSpans = emphasisMarkersInCodeSpans;
module.exports.emphasisMarkersInContent = emphasisMarkersInContent;
/**
* Gets the most common line ending, falling back to the platform default.