polymer-analyzer
Version:
Static analysis for Web Components
65 lines • 3.5 kB
JavaScript
;
/**
* @license
* Copyright (c) 2016 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
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const dom5 = require("dom5/lib/index-next");
const parse5_1 = require("parse5");
const model_1 = require("../model/model");
const p = dom5.predicates;
const isStyleElement = p.AND(p.hasTagName('style'), p.OR(p.NOT(p.hasAttr('type')), p.hasAttrValue('type', 'text/css')));
const isStyleLink = p.AND(p.hasTagName('link'), p.hasSpaceSeparatedAttrValue('rel', 'stylesheet'), p.hasAttr('href'));
const isStyleNode = p.OR(isStyleElement, isStyleLink);
class HtmlStyleScanner {
scan(document, visit) {
return __awaiter(this, void 0, void 0, function* () {
const features = [];
const visitor = (node) => __awaiter(this, void 0, void 0, function* () {
if (isStyleNode(node)) {
const tagName = node.nodeName;
if (tagName === 'link') {
const href = dom5.getAttribute(node, 'href');
features.push(new model_1.ScannedImport('html-style', href, document.sourceRangeForNode(node), document.sourceRangeForAttributeValue(node, 'href'), { language: 'html', node, containingDocument: document }, true));
}
else {
const contents = dom5.getTextContent(node);
const locationOffset = model_1.getLocationOffsetOfStartOfTextContent(node, document);
const commentText = model_1.getAttachedCommentText(node) || '';
features.push(new model_1.ScannedInlineDocument('css', contents, locationOffset, commentText, document.sourceRangeForNode(node), { language: 'html', node, containingDocument: document }));
}
}
// Descend into templates.
if (node.tagName === 'template') {
const content = parse5_1.treeAdapters.default.getTemplateContent(node);
if (content) {
for (const n of dom5.depthFirst(content)) {
visitor(n);
}
}
}
});
yield visit(visitor);
return { features };
});
}
}
exports.HtmlStyleScanner = HtmlStyleScanner;
//# sourceMappingURL=html-style-scanner.js.map