mirror of
https://github.com/react/react-native-devtools-frontend.git
synced 2026-10-01 17:57:36 +08:00
Tim van der Lippe
706ec965fb
These packages will be used to dynamically optimize SVG images during the build. R=jacktfranklin@chromium.org Bug: 1216402 Change-Id: I04e95aa7d79c9d67beaf8a7861182c52b16b7d0f Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2939992 Reviewed-by: Jack Franklin <jacktfranklin@chromium.org> Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
'use strict';
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const { closestByName } = require('../lib/xast.js');
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exports.type = 'perItem';
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exports.active = true;
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exports.description = 'removes viewBox attribute when possible';
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const viewBoxElems = ['svg', 'pattern', 'symbol'];
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/**
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* Remove viewBox attr which coincides with a width/height box.
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*
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* @see https://www.w3.org/TR/SVG11/coords.html#ViewBoxAttribute
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*
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* @example
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* <svg width="100" height="50" viewBox="0 0 100 50">
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* ⬇
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* <svg width="100" height="50">
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*
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* @param {Object} item current iteration item
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* @return {Boolean} if false, item will be filtered out
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*
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* @author Kir Belevich
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*/
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exports.fn = function (item) {
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if (
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item.type === 'element' &&
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viewBoxElems.includes(item.name) &&
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item.attributes.viewBox != null &&
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item.attributes.width != null &&
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item.attributes.height != null
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) {
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// TODO remove width/height for such case instead
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if (item.name === 'svg' && closestByName(item.parentNode, 'svg')) {
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return;
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}
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const nums = item.attributes.viewBox.split(/[ ,]+/g);
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if (
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nums[0] === '0' &&
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nums[1] === '0' &&
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item.attributes.width.replace(/px$/, '') === nums[2] && // could use parseFloat too
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item.attributes.height.replace(/px$/, '') === nums[3]
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) {
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delete item.attributes.viewBox;
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}
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}
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};
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