mirror of https://github.com/Radarr/Radarr
174 lines
6.3 KiB
JavaScript
174 lines
6.3 KiB
JavaScript
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(function (root, define, require, exports, module, factory, undef) {
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'use strict';
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if (typeof exports === 'object') {
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// Node. Does not work with strict CommonJS, but
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// only CommonJS-like enviroments that support module.exports,
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// like Node.
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module.exports = factory(require('underscore'), require('backbone'));
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} else if (typeof define === 'function' && define.amd) {
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// AMD. Register as an anonymous module.
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define(['underscore', 'backbone'], function (_, Backbone) {
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// Check if we use the AMD branch of Back
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_ = _ === undef ? root._ : _;
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Backbone = Backbone === undef ? root.Backbone : Backbone;
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return (root.returnExportsGlobal = factory(_, Backbone, root));
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});
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} else {
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// Browser globals
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root.returnExportsGlobal = factory(root._, root.Backbone);
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}
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// Usage:
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//
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// Note: This plugin is UMD compatible, you can use it in node, amd and vanilla js envs
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//
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// Vanilla JS:
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// <script src="underscore.js"></script>
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// <script src="backbone.js"></script>
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// <script src="backbone.mutators.js"></script>
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//
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// Node:
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// var _ = require('underscore');
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// var Backbone = require('backbone');
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// var Mutators = require('backbone.mutators');
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//
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//
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// AMD:
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// define(['underscore', 'backbone', 'backbone.mutators'], function (_, Backbone, Mutators) {
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// // insert sample from below
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// return User;
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// });
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//
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// var User = Backbone.Model.extend({
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// mutators: {
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// fullname: function () {
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// return this.firstname + ' ' + this.lastname;
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// }
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// },
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//
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// defaults: {
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// firstname: 'Sebastian',
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// lastname: 'Golasch'
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// }
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// });
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//
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// var user = new User();
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// user.get('fullname') // returns 'Sebastian Golasch'
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// user.toJSON() // return '{firstname: 'Sebastian', lastname: 'Golasch', fullname: 'Sebastian Golasch'}'
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}(this, this.define, this.require, this.exports, this.module, function (_, Backbone, root, undef) {
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'use strict';
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// check if we use the amd branch of backbone and underscore
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Backbone = Backbone === undef ? root.Backbone : Backbone;
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_ = _ === undef ? root._ : _;
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// extend backbones model prototype with the mutator functionality
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var Mutator = function () { },
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oldGet = Backbone.Model.prototype.get,
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oldSet = Backbone.Model.prototype.set,
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oldToJson = Backbone.Model.prototype.toJSON;
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// This is necessary to ensure that Models declared without the mutators object do not throw and error
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Mutator.prototype.mutators = {};
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// override get functionality to fetch the mutator props
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Mutator.prototype.get = function (attr) {
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var isMutator = this.mutators !== undef;
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// check if we have a getter mutation
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if (isMutator === true && _.isFunction(this.mutators[attr]) === true) {
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return this.mutators[attr].call(this);
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}
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// check if we have a deeper nested getter mutation
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if (isMutator === true && _.isObject(this.mutators[attr]) === true && _.isFunction(this.mutators[attr].get) === true) {
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return this.mutators[attr].get.call(this);
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}
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return oldGet.call(this, attr);
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};
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// override set functionality to set the mutator props
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Mutator.prototype.set = function (key, value, options) {
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var isMutator = this.mutators !== undef,
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ret = null,
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attrs = null,
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attr = null;
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// seamleassly stolen from backbone core
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// check if the setter action is triggered
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// using key <-> value or object
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if (_.isObject(key) || key === null) {
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attrs = key;
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options = value;
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} else {
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attrs = {};
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attrs[key] = value;
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}
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// check if we have a deeper nested setter mutation
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if (isMutator === true && _.isObject(this.mutators[key]) === true) {
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// check if we need to set a single value
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if (_.isFunction(this.mutators[key].set) === true) {
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ret = this.mutators[key].set.call(this, key, attrs[key], options, _.bind(oldSet, this));
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} else if (_.isFunction(this.mutators[key])) {
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ret = this.mutators[key].call(this, key, attrs[key], options, _.bind(oldSet, this));
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}
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}
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if (_.isObject(attrs)) {
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_.each(attrs, _.bind(function (attr, attrKey) {
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if (isMutator === true && _.isObject(this.mutators[attrKey]) === true) {
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// check if we need to set a single value
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var meth = this.mutators[attrKey];
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if (_.isFunction(meth.set)) {
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meth = meth.set;
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}
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if (_.isFunction(meth)) {
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if (options === undef || (_.isObject(options) === true && options.silent !== true && (options.mutators !== undef && options.mutators.silent !== true))) {
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this.trigger('mutators:set:' + attrKey);
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}
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ret = meth.call(this, attrKey, attr, options, _.bind(oldSet, this));
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}
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}
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}, this));
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}
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//validation purposes
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if (ret !== null) {
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return ret;
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}
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return oldSet.call(this, key, value, options);
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};
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// override toJSON functionality to serialize mutator properties
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Mutator.prototype.toJSON = function () {
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// fetch ye olde values
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var attr = oldToJson.call(this);
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// iterate over all mutators (if there are some)
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_.each(this.mutators, _.bind(function (mutator, name) {
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// check if we have some getter mutations (nested or )
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if (_.isObject(this.mutators[name]) === true && _.isFunction(this.mutators[name].get)) {
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attr[name] = _.bind(this.mutators[name].get, this)();
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} else {
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attr[name] = _.bind(this.mutators[name], this)();
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}
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}, this));
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return attr;
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};
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// extend the models prototype
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_.extend(Backbone.Model.prototype, Mutator.prototype);
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// make mutators globally available under the Backbone namespace
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Backbone.Mutators = Mutator;
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return Mutator;
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}));
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