polymer-analyzer
Version:
Static analysis for Web Components
94 lines • 3.15 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 url_1 = require("url");
const unspecifiedProtocol = '-';
function parseUrl(url, defaultProtocol = unspecifiedProtocol) {
const urlObject = url_1.parse(ensureProtocol(url, defaultProtocol));
if (urlObject.protocol &&
urlObject.protocol.slice(0, -1) === unspecifiedProtocol) {
urlObject.protocol = undefined;
urlObject.href =
urlObject.href && urlObject.href.slice(unspecifiedProtocol.length + 1);
}
return urlObject;
}
exports.parseUrl = parseUrl;
function ensureProtocol(url, defaultProtocol) {
return url.startsWith('//') ? `${defaultProtocol}:${url}` : url;
}
exports.ensureProtocol = ensureProtocol;
function resolveUrl(baseUrl, targetUrl, defaultProtocol) {
const baseProtocol = (url_1.parse(baseUrl).protocol || '').slice(0, -1);
const protocol = baseProtocol !== 'file' && baseProtocol || defaultProtocol;
return url_1.resolve(ensureProtocol(baseUrl, protocol), ensureProtocol(targetUrl, protocol));
}
exports.resolveUrl = resolveUrl;
function trimLeft(str, char) {
let leftEdge = 0;
while (str[leftEdge] === char) {
leftEdge++;
}
return str.substring(leftEdge);
}
exports.trimLeft = trimLeft;
class Deferred {
constructor() {
this.resolved = false;
this.rejected = false;
this.promise = new Promise((resolve, reject) => {
this.resolve = (result) => {
if (this.resolved) {
throw new Error('Already resolved');
}
if (this.rejected) {
throw new Error('Already rejected');
}
this.resolved = true;
resolve(result);
};
this.reject = (error) => {
if (this.resolved) {
throw new Error('Already resolved');
}
if (this.rejected) {
throw new Error('Already rejected');
}
this.rejected = true;
this.error = error;
reject(error);
};
});
}
toNodeCallback() {
return (error, value) => {
if (error) {
this.reject(error);
}
else {
this.resolve(value);
}
};
}
}
exports.Deferred = Deferred;
function addAll(set1, set2) {
for (const val of set2) {
set1.add(val);
}
return set1;
}
exports.addAll = addAll;
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