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79 lines
2.1 KiB
79 lines
2.1 KiB
3 years ago
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'use strict';
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const { detachNodeFromParent } = require('../lib/xast.js');
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exports.name = 'removeElementsByAttr';
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exports.type = 'visitor';
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exports.active = false;
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exports.description =
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'removes arbitrary elements by ID or className (disabled by default)';
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/**
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* Remove arbitrary SVG elements by ID or className.
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*
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* @example id
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* > single: remove element with ID of `elementID`
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* ---
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* removeElementsByAttr:
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* id: 'elementID'
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*
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* > list: remove multiple elements by ID
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* ---
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* removeElementsByAttr:
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* id:
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* - 'elementID'
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* - 'anotherID'
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*
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* @example class
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* > single: remove all elements with class of `elementClass`
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* ---
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* removeElementsByAttr:
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* class: 'elementClass'
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*
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* > list: remove all elements with class of `elementClass` or `anotherClass`
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* ---
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* removeElementsByAttr:
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* class:
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* - 'elementClass'
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* - 'anotherClass'
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*
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* @author Eli Dupuis (@elidupuis)
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*
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* @type {import('../lib/types').Plugin<{
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* id?: string | Array<string>,
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* class?: string | Array<string>
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* }>}
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*/
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exports.fn = (root, params) => {
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const ids =
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params.id == null ? [] : Array.isArray(params.id) ? params.id : [params.id];
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const classes =
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params.class == null
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? []
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: Array.isArray(params.class)
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? params.class
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: [params.class];
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return {
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element: {
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enter: (node, parentNode) => {
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// remove element if it's `id` matches configured `id` params
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if (node.attributes.id != null && ids.length !== 0) {
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if (ids.includes(node.attributes.id)) {
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detachNodeFromParent(node, parentNode);
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}
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}
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// remove element if it's `class` contains any of the configured `class` params
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if (node.attributes.class && classes.length !== 0) {
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const classList = node.attributes.class.split(' ');
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for (const item of classes) {
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if (classList.includes(item)) {
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detachNodeFromParent(node, parentNode);
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break;
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}
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}
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}
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},
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},
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};
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};
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