polymer-analyzer
Version:
Static analysis for Web Components
53 lines • 2.19 kB
JavaScript
;
/**
* @license
* Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
* This code may only be used under the BSD style license found at
* http://polymer.github.io/LICENSE.txt
* The complete set of authors may be found at
* http://polymer.github.io/AUTHORS.txt
* The complete set of contributors may be found at
* http://polymer.github.io/CONTRIBUTORS.txt
* Code distributed by Google as part of the polymer project is also
* subject to an additional IP rights grant found at
* http://polymer.github.io/PATENTS.txt
*/
Object.defineProperty(exports, "__esModule", { value: true });
const dom5_1 = require("dom5");
const dom5 = require("dom5/lib/index-next");
const parse5_1 = require("parse5");
const html_document_1 = require("./html-document");
class HtmlParser {
/**
* Parse html into ASTs.
*
* @param {string} htmlString an HTML document.
* @param {string} href is the path of the document.
*/
parse(contents, url, urlResolver, inlineInfo) {
const ast = parse5_1.parse(contents, { locationInfo: true });
// There should be at most one <base> tag and it must be inside <head> tag.
const baseTag = dom5.query(ast, dom5_1.predicates.AND(dom5_1.predicates.parentMatches(dom5_1.predicates.hasTagName('head')), dom5_1.predicates.hasTagName('base'), dom5_1.predicates.hasAttr('href')));
const isInline = !!inlineInfo;
inlineInfo = inlineInfo || {};
let baseUrl = inlineInfo.baseUrl !== undefined ? inlineInfo.baseUrl : url;
if (baseTag) {
const baseTagHref = dom5_1.getAttribute(baseTag, 'href');
const resolvedBaseTagHref = urlResolver.resolve(url, baseTagHref, undefined);
if (resolvedBaseTagHref !== undefined) {
baseUrl = resolvedBaseTagHref;
}
}
return new html_document_1.ParsedHtmlDocument({
url,
baseUrl,
contents,
ast,
locationOffset: inlineInfo.locationOffset,
astNode: inlineInfo.astNode,
isInline,
});
}
}
exports.HtmlParser = HtmlParser;
//# sourceMappingURL=html-parser.js.map