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Cache all top-level calls to filterByTypes (~7% runtime reduction).

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This commit is contained in:
David Anson 2024-08-24 22:05:16 -07:00
parent 85e704f32a
commit dfcb4529f3
47 changed files with 427 additions and 481 deletions
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9
lib/md025.js
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@ -3,7 +3,8 @@
"use strict";
const { addErrorContext, frontMatterHasTitle } = require("../helpers");
const { filterByTypes, getHeadingLevel, getHeadingText } = require("../helpers/micromark.cjs");
const { getHeadingLevel, getHeadingText } = require("../helpers/micromark.cjs");
const { filterByTypesCached } = require("./cache");
// eslint-disable-next-line jsdoc/valid-types
/** @type import("./markdownlint").Rule */
@ -20,11 +21,7 @@ module.exports = {
params.config.front_matter_title
);
let hasTopLevelHeading = false;
const headings = filterByTypes(
params.parsers.micromark.tokens,
[ "atxHeading", "setextHeading" ]
);
for (const heading of headings) {
for (const heading of filterByTypesCached([ "atxHeading", "setextHeading" ])) {
const headingLevel = getHeadingLevel(heading);
if (headingLevel === level) {
if (hasTopLevelHeading || foundFrontMatterTitle) {