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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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7
lib/md027.js
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@ -3,7 +3,7 @@
"use strict";
const { addErrorContext } = require("../helpers");
const { filterByTypes } = require("../helpers/micromark.cjs");
const { filterByTypesCached } = require("./cache");
// eslint-disable-next-line jsdoc/valid-types
/** @type import("./markdownlint").Rule */
@ -13,9 +13,8 @@ module.exports = {
"tags": ["blockquote", "whitespace", "indentation"],
"parser": "micromark",
"function": function MD027(params, onError) {
const micromarkTokens = params.parsers.micromark.tokens;
for (const token of filterByTypes(micromarkTokens, [ "linePrefix" ])) {
const siblings = token.parent?.children || micromarkTokens;
for (const token of filterByTypesCached([ "linePrefix" ])) {
const siblings = token.parent?.children || params.parsers.micromark.tokens;
if (siblings[siblings.indexOf(token) - 1]?.type === "blockQuotePrefix") {
const { startColumn, startLine, text } = token;
const { length } = text;