78 lines
2.6 KiB
JavaScript
78 lines
2.6 KiB
JavaScript
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import { HTMLDataProvider } from './dataProvider';
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import { htmlData } from './data/webCustomData';
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import * as arrays from '../utils/arrays';
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export class HTMLDataManager {
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constructor(options) {
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this.dataProviders = [];
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this.setDataProviders(options.useDefaultDataProvider !== false, options.customDataProviders || []);
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}
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setDataProviders(builtIn, providers) {
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this.dataProviders = [];
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if (builtIn) {
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this.dataProviders.push(new HTMLDataProvider('html5', htmlData));
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}
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this.dataProviders.push(...providers);
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}
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getDataProviders() {
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return this.dataProviders;
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}
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isVoidElement(e, voidElements) {
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return !!e && arrays.binarySearch(voidElements, e.toLowerCase(), (s1, s2) => s1.localeCompare(s2)) >= 0;
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}
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getVoidElements(languageOrProviders) {
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const dataProviders = Array.isArray(languageOrProviders) ? languageOrProviders : this.getDataProviders().filter(p => p.isApplicable(languageOrProviders));
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const voidTags = [];
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dataProviders.forEach((provider) => {
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provider.provideTags().filter(tag => tag.void).forEach(tag => voidTags.push(tag.name));
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});
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return voidTags.sort();
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}
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isPathAttribute(tag, attr) {
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// should eventually come from custom data
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if (attr === 'src' || attr === 'href') {
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return true;
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}
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const a = PATH_TAG_AND_ATTR[tag];
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if (a) {
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if (typeof a === 'string') {
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return a === attr;
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}
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else {
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return a.indexOf(attr) !== -1;
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}
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}
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return false;
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}
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}
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// Selected from https://stackoverflow.com/a/2725168/1780148
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const PATH_TAG_AND_ATTR = {
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// HTML 4
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a: 'href',
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area: 'href',
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body: 'background',
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blockquote: 'cite',
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del: 'cite',
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form: 'action',
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frame: ['src', 'longdesc'],
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img: ['src', 'longdesc'],
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ins: 'cite',
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link: 'href',
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object: 'data',
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q: 'cite',
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script: 'src',
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// HTML 5
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audio: 'src',
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button: 'formaction',
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command: 'icon',
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embed: 'src',
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html: 'manifest',
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input: ['src', 'formaction'],
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source: 'src',
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track: 'src',
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video: ['src', 'poster']
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};
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