JSON API serializer for Ember to make ID's generated by FortuneJS URL safe

application.js

import DS from 'ember-data';

export default DS.JSONAPISerializer.extend({
    serializeIdFunc: decodeURIComponent,
    normalizeIdFunc: encodeURIComponent,

    /*
     @method normalize
     @param {DS.Model} modelClass
     @param {Object} resourceHash
     @return {String}
     */
    normalize: function(modelClass, resourceHash) {
        var result = this._super(modelClass, resourceHash);
        var data = this._applyToId(result.data, this.normalizeIdFunc);
        return { data };
    },

    /**
     @method serialize
     @param {DS.Snapshot} snapshot
     @param {Object} options
     @return {Object} json
     */
    serialize: function(snapshot, options) {
        var result = this._super(snapshot, options);
        var data = this._applyToId(result.data, this.serializeIdFunc);
        return { data };
    },

    /**
     * Applies a function to all id properties in the data object (including relationships)
     * @param data A data object per JSON API specification
     * @param fn The prototype of the String transformation function to apply
     * @private
     */
    _applyToId: function(data, fn){
        var fnContext = {};

        if(data.id){
            data.id = fn.apply(fnContext, [data.id]);
        }

        var relationships = data.relationships || {};
        Object.keys(relationships).forEach(function(key){
            var relationship = relationships[key];
            if(relationship.data && relationship.data.constructor === Array){
                relationship.data.forEach(function(relData){
                    if(relData.id){
                        relData.id = fn.apply(fnContext, [relData.id]);
                    }
                });
            } else {
                var data = relationship.data;
                if(data && data.id){
                    data.id = fn.apply(fnContext, [data.id]);
                }
            }
        });

        return data;
    }
});