source: trip-planner-front/node_modules/original/index.js@ e29cc2e

Last change on this file since e29cc2e was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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Line 
1'use strict';
2
3var parse = require('url-parse');
4
5/**
6 * Transform an URL to a valid origin value.
7 *
8 * @param {String|Object} url URL to transform to it's origin.
9 * @returns {String} The origin.
10 * @api public
11 */
12function origin(url) {
13 if ('string' === typeof url) url = parse(url);
14
15 //
16 // 6.2. ASCII Serialization of an Origin
17 // http://tools.ietf.org/html/rfc6454#section-6.2
18 //
19 if (!url.protocol || !url.hostname) return 'null';
20
21 //
22 // 4. Origin of a URI
23 // http://tools.ietf.org/html/rfc6454#section-4
24 //
25 // States that url.scheme, host should be converted to lower case. This also
26 // makes it easier to match origins as everything is just lower case.
27 //
28 return (url.protocol +'//'+ url.host).toLowerCase();
29}
30
31/**
32 * Check if the origins are the same.
33 *
34 * @param {String} a URL or origin of a.
35 * @param {String} b URL or origin of b.
36 * @returns {Boolean}
37 * @api public
38 */
39origin.same = function same(a, b) {
40 return origin(a) === origin(b);
41};
42
43//
44// Expose the origin
45//
46module.exports = origin;
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