source: trip-planner-front/node_modules/json-schema/lib/links.js@ 1ad8e64

/** 
 * JSON Schema link handler
 * Copyright (c) 2007 Kris Zyp SitePen (www.sitepen.com)
 * Licensed under the MIT (MIT-LICENSE.txt) license.
 */
(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        // AMD. Register as an anonymous module.
        define([], function () {
            return factory();
        });
    } else if (typeof module === 'object' && module.exports) {
        // Node. Does not work with strict CommonJS, but
        // only CommonJS-like environments that support module.exports,
        // like Node.
        module.exports = factory();
    } else {
        // Browser globals
        root.jsonSchemaLinks = factory();
    }
}(this, function () {// setup primitive classes to be JSON Schema types
var exports = {};
exports.cacheLinks = true;
exports.getLink = function(relation, instance, schema){
        // gets the URI of the link for the given relation based on the instance and schema
        // for example:
        // getLink(
        //              "brother", 
        //              {"brother_id":33}, 
        //              {links:[{rel:"brother", href:"Brother/{brother_id}"}]}) ->
        //      "Brother/33"
        var links = schema.__linkTemplates; 
        if(!links){
                links = {};
                var schemaLinks = schema.links;
                if(schemaLinks && schemaLinks instanceof Array){
                        schemaLinks.forEach(function(link){
        /*                      // TODO: allow for multiple same-name relations
                                if(links[link.rel]){
                                        if(!(links[link.rel] instanceof Array)){
                                                links[link.rel] = [links[link.rel]];
                                        }
                                }*/
                                links[link.rel] = link.href;
                        });
                }
                if(exports.cacheLinks){
                        schema.__linkTemplates = links;
                }
        }
        var linkTemplate = links[relation];
        return linkTemplate && exports.substitute(linkTemplate, instance);
};

exports.substitute = function(linkTemplate, instance){
        return linkTemplate.replace(/\{([^\}]*)\}/g, function(t, property){
                        var value = instance[decodeURIComponent(property)];
                        if(value instanceof Array){
                                // 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
                                return '(' + value.join(',') + ')';
                        }
                        return value;
                });
};
return exports;
}));