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