@aws-amplify/analytics/lib/vendor/dom-utils/parse-url.js

Analytics category of aws-amplify

"use strict";
/**
 * Copyright (c) 2017, Philip Walton <philip@philipwalton.com>
 */
Object.defineProperty(exports, "__esModule", { value: true });
var core_1 = require("@aws-amplify/core");
var HTTP_PORT = '80';
var HTTPS_PORT = '443';
var DEFAULT_PORT = RegExp(':(' + HTTP_PORT + '|' + HTTPS_PORT + ')$');
var a = core_1.browserOrNode().isBrowser ? document.createElement('a') : null;
var cache = {};
/**
 * Parses the given url and returns an object mimicing a `Location` object.
 * @param {string} url The url to parse.
 * @return {!Object} An object with the same properties as a `Location`.
 */
function parseUrl(u) {
    var url = u;
    // All falsy values (as well as ".") should map to the current URL.
    url = !url || url === '.' ? location.href : url;
    if (cache[url])
        return cache[url];
    a.href = url;
    // When parsing file relative paths (e.g. `../index.html`), IE will correctly
    // resolve the `href` property but will keep the `..` in the `path` property.
    // It will also not include the `host` or `hostname` properties. Furthermore,
    // IE will sometimes return no protocol or just a colon, especially for things
    // like relative protocol URLs (e.g. "//google.com").
    // To workaround all of these issues, we reparse with the full URL from the
    // `href` property.
    if (url.charAt(0) === '.' || url.charAt(0) === '/')
        return parseUrl(a.href);
    // Don't include default ports.
    var port = a.port === HTTP_PORT || a.port === HTTPS_PORT ? '' : a.port;
    // PhantomJS sets the port to "0" when using the file: protocol.
    port = port === '0' ? '' : port;
    // Sometimes IE incorrectly includes a port for default ports
    // (e.g. `:80` or `:443`) even when no port is specified in the URL.
    // http://bit.ly/1rQNoMg
    var host = a.host.replace(DEFAULT_PORT, '');
    // Not all browser support `origin` so we have to build it.
    var origin = a['origin'] ? a['origin'] : a.protocol + '//' + host;
    // Sometimes IE doesn't include the leading slash for pathname.
    // http://bit.ly/1rQNoMg
    var pathname = a.pathname.charAt(0) === '/' ? a.pathname : '/' + a.pathname;
    return (cache[url] = {
        hash: a.hash,
        host: host,
        hostname: a.hostname,
        href: a.href,
        origin: origin,
        pathname: pathname,
        port: port,
        protocol: a.protocol,
        search: a.search,
    });
}
exports.parseUrl = parseUrl;
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