source: trip-planner-front/node_modules/svgo/plugins/removeViewBox.js@ 76712b2

Last change on this file since 76712b2 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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Line 
1'use strict';
2
3exports.type = 'visitor';
4exports.name = 'removeViewBox';
5exports.active = true;
6exports.description = 'removes viewBox attribute when possible';
7
8const viewBoxElems = ['svg', 'pattern', 'symbol'];
9
10/**
11 * Remove viewBox attr which coincides with a width/height box.
12 *
13 * @see https://www.w3.org/TR/SVG11/coords.html#ViewBoxAttribute
14 *
15 * @example
16 * <svg width="100" height="50" viewBox="0 0 100 50">
17 * ⬇
18 * <svg width="100" height="50">
19 *
20 * @author Kir Belevich
21 *
22 * @type {import('../lib/types').Plugin<void>}
23 */
24exports.fn = () => {
25 return {
26 element: {
27 enter: (node, parentNode) => {
28 if (
29 viewBoxElems.includes(node.name) &&
30 node.attributes.viewBox != null &&
31 node.attributes.width != null &&
32 node.attributes.height != null
33 ) {
34 // TODO remove width/height for such case instead
35 if (node.name === 'svg' && parentNode.type !== 'root') {
36 return;
37 }
38 const nums = node.attributes.viewBox.split(/[ ,]+/g);
39 if (
40 nums[0] === '0' &&
41 nums[1] === '0' &&
42 node.attributes.width.replace(/px$/, '') === nums[2] && // could use parseFloat too
43 node.attributes.height.replace(/px$/, '') === nums[3]
44 ) {
45 delete node.attributes.viewBox;
46 }
47 }
48 },
49 },
50 };
51};
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