source: trip-planner-front/node_modules/json-schema/lib/links.js@ 6a80231

Last change on this file since 6a80231 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1/**
2 * JSON Schema link handler
3 * Copyright (c) 2007 Kris Zyp SitePen (www.sitepen.com)
4 * Licensed under the MIT (MIT-LICENSE.txt) license.
5 */
6(function (root, factory) {
7 if (typeof define === 'function' && define.amd) {
8 // AMD. Register as an anonymous module.
9 define([], function () {
10 return factory();
11 });
12 } else if (typeof module === 'object' && module.exports) {
13 // Node. Does not work with strict CommonJS, but
14 // only CommonJS-like environments that support module.exports,
15 // like Node.
16 module.exports = factory();
17 } else {
18 // Browser globals
19 root.jsonSchemaLinks = factory();
20 }
21}(this, function () {// setup primitive classes to be JSON Schema types
22var exports = {};
23exports.cacheLinks = true;
24exports.getLink = function(relation, instance, schema){
25 // gets the URI of the link for the given relation based on the instance and schema
26 // for example:
27 // getLink(
28 // "brother",
29 // {"brother_id":33},
30 // {links:[{rel:"brother", href:"Brother/{brother_id}"}]}) ->
31 // "Brother/33"
32 var links = schema.__linkTemplates;
33 if(!links){
34 links = {};
35 var schemaLinks = schema.links;
36 if(schemaLinks && schemaLinks instanceof Array){
37 schemaLinks.forEach(function(link){
38 /* // TODO: allow for multiple same-name relations
39 if(links[link.rel]){
40 if(!(links[link.rel] instanceof Array)){
41 links[link.rel] = [links[link.rel]];
42 }
43 }*/
44 links[link.rel] = link.href;
45 });
46 }
47 if(exports.cacheLinks){
48 schema.__linkTemplates = links;
49 }
50 }
51 var linkTemplate = links[relation];
52 return linkTemplate && exports.substitute(linkTemplate, instance);
53};
54
55exports.substitute = function(linkTemplate, instance){
56 return linkTemplate.replace(/\{([^\}]*)\}/g, function(t, property){
57 var value = instance[decodeURIComponent(property)];
58 if(value instanceof Array){
59 // the value is an array, it should produce a URI like /Table/(4,5,8) and store.get() should handle that as an array of values
60 return '(' + value.join(',') + ')';
61 }
62 return value;
63 });
64};
65return exports;
66}));
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