| 1 | 'use strict';
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| 2 |
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| 3 | const { querySelectorAll } = require('../lib/xast.js');
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| 4 |
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| 5 | exports.name = 'removeAttributesBySelector';
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| 6 | exports.type = 'visitor';
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| 7 | exports.active = false;
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| 8 | exports.description =
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| 9 | 'removes attributes of elements that match a css selector';
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| 10 |
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| 11 | /**
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| 12 | * Removes attributes of elements that match a css selector.
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| 13 | *
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| 14 | * @example
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| 15 | * <caption>A selector removing a single attribute</caption>
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| 16 | * plugins: [
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| 17 | * {
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| 18 | * name: "removeAttributesBySelector",
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| 19 | * params: {
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| 20 | * selector: "[fill='#00ff00']"
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| 21 | * attributes: "fill"
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| 22 | * }
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| 23 | * }
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| 24 | * ]
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| 25 | *
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| 26 | * <rect x="0" y="0" width="100" height="100" fill="#00ff00" stroke="#00ff00"/>
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| 27 | * ↓
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| 28 | * <rect x="0" y="0" width="100" height="100" stroke="#00ff00"/>
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| 29 | *
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| 30 | * <caption>A selector removing multiple attributes</caption>
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| 31 | * plugins: [
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| 32 | * {
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| 33 | * name: "removeAttributesBySelector",
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| 34 | * params: {
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| 35 | * selector: "[fill='#00ff00']",
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| 36 | * attributes: [
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| 37 | * "fill",
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| 38 | * "stroke"
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| 39 | * ]
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| 40 | * }
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| 41 | * }
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| 42 | * ]
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| 43 | *
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| 44 | * <rect x="0" y="0" width="100" height="100" fill="#00ff00" stroke="#00ff00"/>
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| 45 | * ↓
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| 46 | * <rect x="0" y="0" width="100" height="100"/>
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| 47 | *
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| 48 | * <caption>Multiple selectors removing attributes</caption>
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| 49 | * plugins: [
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| 50 | * {
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| 51 | * name: "removeAttributesBySelector",
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| 52 | * params: {
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| 53 | * selectors: [
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| 54 | * {
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| 55 | * selector: "[fill='#00ff00']",
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| 56 | * attributes: "fill"
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| 57 | * },
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| 58 | * {
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| 59 | * selector: "#remove",
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| 60 | * attributes: [
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| 61 | * "stroke",
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| 62 | * "id"
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| 63 | * ]
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| 64 | * }
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| 65 | * ]
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| 66 | * }
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| 67 | * }
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| 68 | * ]
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| 69 | *
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| 70 | * <rect x="0" y="0" width="100" height="100" fill="#00ff00" stroke="#00ff00"/>
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| 71 | * ↓
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| 72 | * <rect x="0" y="0" width="100" height="100"/>
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| 73 | *
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| 74 | * @link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors|MDN CSS Selectors
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| 75 | *
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| 76 | * @author Bradley Mease
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| 77 | *
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| 78 | * @type {import('../lib/types').Plugin<any>}
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| 79 | */
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| 80 | exports.fn = (root, params) => {
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| 81 | const selectors = Array.isArray(params.selectors)
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| 82 | ? params.selectors
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| 83 | : [params];
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| 84 | for (const { selector, attributes } of selectors) {
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| 85 | const nodes = querySelectorAll(root, selector);
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| 86 | for (const node of nodes) {
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| 87 | if (node.type === 'element') {
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| 88 | if (Array.isArray(attributes)) {
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| 89 | for (const name of attributes) {
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| 90 | delete node.attributes[name];
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| 91 | }
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| 92 | } else {
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| 93 | delete node.attributes[attributes];
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| 94 | }
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| 95 | }
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| 96 | }
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| 97 | }
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| 98 | return {};
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| 99 | };
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