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Collect stylesheet once per plugin (#1456)

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computeStyle(node) in isolation is quite slow utility because it
collects style elements across whole document, parses and sort them.

In this diff I splitted it into `collectStylesheet(root)` and
`computeStyle(stylesheet, node)` which are easy integrate with new
visitor plugin api.
This commit is contained in:
Bogdan Chadkin
2021-08-12 03:08:39 +03:00
committed by GitHub
parent 69d01746cd
commit 2c0c361074
5 changed files with 122 additions and 70 deletions
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5
plugins/mergePaths.js
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@ -1,7 +1,7 @@
'use strict';
const { detachNodeFromParent } = require('../lib/xast.js');
const { computeStyle } = require('../lib/style.js');
const { collectStylesheet, computeStyle } = require('../lib/style.js');
const { path2js, js2path, intersects } = require('./_path.js');
exports.type = 'visitor';
@ -22,6 +22,7 @@ exports.fn = (root, params) => {
floatPrecision,
noSpaceAfterFlags = false, // a20 60 45 0 1 30 20 → a20 60 45 0130 20
} = params;
const stylesheet = collectStylesheet(root);
return {
element: {
@ -53,7 +54,7 @@ exports.fn = (root, params) => {
}
// preserve paths with markers
const computedStyle = computeStyle(child);
const computedStyle = computeStyle(stylesheet, child);
if (
computedStyle['marker-start'] ||
computedStyle['marker-mid'] ||