69 lines
2.0 KiB
JavaScript
69 lines
2.0 KiB
JavaScript
'use strict';
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const { detachNodeFromParent } = require('../lib/xast.js');
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const { editorNamespaces } = require('./_collections.js');
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exports.type = 'visitor';
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exports.name = 'removeEditorsNSData';
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exports.active = true;
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exports.description = 'removes editors namespaces, elements and attributes';
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/**
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* Remove editors namespaces, elements and attributes.
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*
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* @example
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* <svg xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd">
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* <sodipodi:namedview/>
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* <path sodipodi:nodetypes="cccc"/>
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*
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* @author Kir Belevich
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*
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* @type {import('../lib/types').Plugin<{
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* additionalNamespaces?: Array<string>
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* }>}
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*/
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exports.fn = (_root, params) => {
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let namespaces = editorNamespaces;
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if (Array.isArray(params.additionalNamespaces)) {
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namespaces = [...editorNamespaces, ...params.additionalNamespaces];
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}
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/**
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* @type {Array<string>}
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*/
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const prefixes = [];
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return {
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element: {
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enter: (node, parentNode) => {
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// collect namespace aliases from svg element
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if (node.name === 'svg') {
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for (const [name, value] of Object.entries(node.attributes)) {
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if (name.startsWith('xmlns:') && namespaces.includes(value)) {
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prefixes.push(name.slice('xmlns:'.length));
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// <svg xmlns:sodipodi="">
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delete node.attributes[name];
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}
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}
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}
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// remove editor attributes, for example
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// <* sodipodi:*="">
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for (const name of Object.keys(node.attributes)) {
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if (name.includes(':')) {
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const [prefix] = name.split(':');
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if (prefixes.includes(prefix)) {
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delete node.attributes[name];
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}
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}
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}
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// remove editor elements, for example
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// <sodipodi:*>
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if (node.name.includes(':')) {
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const [prefix] = node.name.split(':');
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if (prefixes.includes(prefix)) {
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detachNodeFromParent(node, parentNode);
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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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