js-data - npm Package Compare versions

Comparing version 3.0.0-beta.5 to 3.0.0-beta.6

CHANGELOG.md

@@ -0,1 +1,12 @@
+##### 3.0.0-beta.6 - 16 May 2016
+
+###### Breaking changes
+- beforeCreate, beforeCreateMany, beforeUpdate, beforeUpdateAll, and beforeUpdateMany
+now run `Mapper#validate` for you by default.
+
+###### Backwards compatible changes
+- Added `Container#as` and `DataStore#as`
+- Added some deprecation warnings
+- Added support for groupings in where clauses
+
 ##### 3.0.0-beta.5 - 07 May 2016
@@ -2,0 +13,0 @@

dist/js-data.d.ts

@@ -55,3 +55,3 @@ export const version: {
   plainCopy(from: any): any
-  possibleConstructorReturn(self: Object, call: Object | Function): Object
+  possibleConstructorReturn(self: Object, call: Object|Function): Object
   reject(value: any): Promise<any>
@@ -61,3 +61,3 @@ remove(array: any[], fn: Function): void
   set(object: Object, path: string, value?: any): void
-  strictEqual(a: any, b: any): boolean
+  deepEqual(a: any, b: any): boolean
   toJson(value: any, replacer?: Function, space?: number): string
@@ -123,3 +123,3 @@ unset(object: Object, path: string): void
   afterFindAll(query: any, opts: any, result: any): any
-  afterSum(field: string, query:any, opts: any, result: any): any
+  afterSum(field: string, query: any, opts: any, result: any): any
   afterUpdate(id: string|number, opts: any, result: any): any
@@ -164,2 +164,3 @@ afterUpdateAll(props: any, query: any, opts: any, result: any): any
   updateMany(records: any[], opts?: any): Promise<any>
+  validate(records: any|any[], opts?: any): any
 }
@@ -196,3 +197,3 @@ export class Collection extends Component {
   remove(id: string|number, opts?: any): any
-  removeAll(query: any, opts?: any): void | any[]
+  removeAll(query: any, opts?: any): void|any[]
   skip(num: number): any[]
@@ -212,2 +213,3 @@ toJSON(opts?: any): any[]
   _mappers: Object
+  as(name: string): Mapper
   constructor(opts?: any)
@@ -229,2 +231,3 @@ createRecord(name: string, props?: any, opts?: any): Record
   linkRelations: boolean
+  as(name: string): Mapper|LinkedCollection
   constructor(opts?: any)
@@ -244,3 +247,3 @@ add(mapperName: string, records: any[]|any, opts?: any): any[]|any
   remove(mapperName: string, id: string|number, opts?: any): any
-  removeAll(mapperName: string, query?: any, opts?: any): void | any[]
+  removeAll(mapperName: string, query?: any, opts?: any): void|any[]
   toJson(mapperName: string, opts?: any): any[]
@@ -247,0 +250,0 @@ _callSuper(method: string, ...args: any[]): any

dist/js-data.min.js

 /*!
 * js-data
-* @version 3.0.0-beta.5 - Homepage <http://www.js-data.io/>
+* @version 3.0.0-beta.6 - Homepage <http://www.js-data.io/>
 * @author js-data project authors
@@ -10,4 +10,4 @@ * @copyright (c) 2014-2016 js-data project authors
 */
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 //# sourceMappingURL=js-data.min.map

package.json

 {
   "name": "js-data",
   "description": "Robust, framework-agnostic in-memory data store.",
-  "version": "3.0.0-beta.5",
+  "version": "3.0.0-beta.6",
   "homepage": "http://www.js-data.io",
@@ -40,2 +40,3 @@ "repository": {
       "beforeEach",
+      "after",
       "describe",
@@ -68,4 +69,3 @@ "it"
     "test": "npm run build && npm run cover && npm run karma",
-    "release": "npm test && npm run doc && repo-tools updates && repo-tools changelog && repo-tools authors",
-    "ci": "npm test && nyc report --reporter=lcov | codecov"
+    "release": "npm test && npm run doc && repo-tools updates && repo-tools changelog && repo-tools authors"
   },
@@ -78,3 +78,3 @@ "devDependencies": {
     "babel-preset-es2015-rollup": "1.1.1",
-    "js-data-repo-tools": "0.5.0",
+    "js-data-repo-tools": "0.5.1",
     "karma": "0.13.22",
@@ -88,8 +88,8 @@ "karma-babel-preprocessor": "6.0.1",
     "karma-sinon": "1.0.5",
-    "nyc": "6.4.3",
+    "nyc": "6.4.4",
     "phantomjs-prebuilt": "2.1.7",
-    "rollup": "0.26.2",
+    "rollup": "0.26.3",
     "rollup-plugin-babel": "2.4.0",
     "uglify-js": "2.6.2"
   }
-}
+}

README.md

 <img src="https://raw.githubusercontent.com/js-data/js-data/master/js-data.png" alt="js-data logo" title="js-data" align="right" width="96" height="96" />
 
-# [js-data v3 beta](http://www.js-data.io/) [![Slack Status][b1]][b2] [![npm version][b3]][b4] [![npm downloads][b5]][b6] [![coverage][b15]][b16]
+# [js-data v3 beta](http://www.js-data.io/) [![Slack Status][b1]][b2] [![npm version][b3]][b4] [![npm downloads][b5]][b6] [![coverage][bcov]][lcov]
 
 | __Browser tests__ | __Node.js tests__ |
 | ---------------------------------|----|
-| [![Sauce Test Status][b7]][b8] | [![Circle CI][b9]][b10] [![Circle CI][b11]][b10] [![Circle CI][b12]][b10] [![Circle CI][b13]][b10] [![Circle CI][b14]][b10] |
+| [![Sauce Test Status][b7]][b8] | [![Circle CI][b9]][b10] [![Circle CI][b11]][b10] [![Circle CI][b12]][b10] [![Circle CI][b13]][b10] [![Circle CI][b14]][b10] [![Circle CI][b15]][b10] |
 
@@ -19,6 +19,9 @@ [b1]: http://slack.js-data.io/badge.svg
 [b10]: https://circleci.com/gh/js-data/js-data
-[b11]: https://img.shields.io/badge/Node.js-v5.x-brightgreen.svg
-[b12]: https://img.shields.io/badge/Node.js-v4.x-brightgreen.svg
-[b13]: https://img.shields.io/badge/Node.js-v0.12.x-brightgreen.svg
-[b14]: https://img.shields.io/badge/Node.js-v0.10.x-brightgreen.svg
+[b11]: https://img.shields.io/badge/Node.js-v6.x-brightgreen.svg
+[b12]: https://img.shields.io/badge/Node.js-v5.x-brightgreen.svg
+[b13]: https://img.shields.io/badge/Node.js-v4.x-brightgreen.svg
+[b14]: https://img.shields.io/badge/Node.js-v0.12.x-brightgreen.svg
+[b15]: https://img.shields.io/badge/Node.js-v0.10.x-brightgreen.svg
+[bcov]: https://img.shields.io/codecov/c/github/js-data/js-data/master.svg
+[lcov]: https://codecov.io/github/js-data/js-data
 
@@ -25,0 +28,0 @@ __JSData v3 beta is stable. More features may be added before 3.0.0. Some adapters

src/Collection.js

@@ -68,5 +68,4 @@ import utils from './utils'
   constructor: function Collection (records, opts) {
-    const self = this
-    utils.classCallCheck(self, Collection)
-    Collection.__super__.call(self)
+    utils.classCallCheck(this, Collection)
+    Collection.__super__.call(this)
 
@@ -103,3 +102,3 @@ if (records && !utils.isArray(records)) {
      */
-    Object.defineProperties(self, {
+    Object.defineProperties(this, {
       mapper: {
@@ -109,2 +108,3 @@ value: undefined,
       },
+      // Query class used by this collection
       queryClass: {
@@ -117,13 +117,13 @@ value: undefined,
     // Apply user-provided configuration
-    utils.fillIn(self, opts)
+    utils.fillIn(this, opts)
     // Fill in any missing options with the defaults
-    utils.fillIn(self, utils.copy(COLLECTION_DEFAULTS))
+    utils.fillIn(this, utils.copy(COLLECTION_DEFAULTS))
 
-    if (!self.queryClass) {
-      self.queryClass = Query
+    if (!this.queryClass) {
+      this.queryClass = Query
     }
 
-    const idAttribute = self.recordId()
+    const idAttribute = this.recordId()
 
-    Object.defineProperties(self, {
+    Object.defineProperties(this, {
       /**
@@ -156,3 +156,3 @@ * The main index, which uses @{link Collection#recordId} as the key.
     if (records) {
-      self.add(records)
+      this.add(records)
     }
@@ -192,4 +192,2 @@ },
   add (records, opts) {
-    const self = this
-
     // Default values for arguments
@@ -199,8 +197,8 @@ opts || (opts = {})
     // Fill in "opts" with the Collection's configuration
-    utils._(opts, self)
-    records = self.beforeAdd(records, opts) || records
+    utils._(opts, this)
+    records = this.beforeAdd(records, opts) || records
 
     // Track whether just one record or an array of records is being inserted
     let singular = false
-    const idAttribute = self.recordId()
+    const idAttribute = this.recordId()
     if (!utils.isArray(records)) {
@@ -219,4 +217,4 @@ if (utils.isObject(records)) {
     // option.
-    records = records.map(function (record) {
-      let id = self.recordId(record)
+    records = records.map((record) => {
+      let id = this.recordId(record)
       if (!utils.isSorN(id)) {
@@ -226,3 +224,3 @@ throw utils.err(`${DOMAIN}#add`, `record.${idAttribute}`)(400, 'string or number', id)
       // Grab existing record if there is one
-      const existing = self.get(id)
+      const existing = this.get(id)
       // If the currently visited record is just a reference to an existing
@@ -237,3 +235,3 @@ // record, then there is nothing to be done. Exit early.
         // in the collection, so we need to merge them
-        const onConflict = opts.onConflict || self.onConflict
+        const onConflict = opts.onConflict || this.onConflict
         if (onConflict === 'merge') {
@@ -253,3 +251,3 @@ utils.deepMixIn(existing, record)
         // Update all indexes in the collection
-        self.updateIndexes(record)
+        this.updateIndexes(record)
       } else {
@@ -259,9 +257,9 @@ // Here, the currently visted record does not correspond to any record
         // it into the collection
-        record = self.mapper ? self.mapper.createRecord(record, opts) : record
-        self.index.insertRecord(record)
-        utils.forOwn(self.indexes, function (index, name) {
+        record = this.mapper ? this.mapper.createRecord(record, opts) : record
+        this.index.insertRecord(record)
+        utils.forOwn(this.indexes, function (index, name) {
           index.insertRecord(record)
         })
         if (record && utils.isFunction(record.on)) {
-          record.on('all', self._onRecordEvent, self)
+          record.on('all', this._onRecordEvent, this)
         }
@@ -274,4 +272,4 @@ }
     // TODO: Make this more performant (batch events?)
-    self.emit('add', result)
-    return self.afterAdd(records, opts, result) || result
+    this.emit('add', result)
+    return this.afterAdd(records, opts, result) || result
   },
@@ -396,3 +394,2 @@
   createIndex (name, fieldList, opts) {
-    const self = this
     if (utils.isString(name) && fieldList === undefined) {
@@ -402,8 +399,6 @@ fieldList = [name]
     opts || (opts = {})
-    opts.hashCode = opts.hashCode || function (obj) {
-      return self.recordId(obj)
-    }
-    const index = self.indexes[name] = new Index(fieldList, opts)
-    self.index.visitAll(index.insertRecord, index)
-    return self
+    opts.hashCode || (opts.hashCode = (obj) => this.recordId(obj))
+    const index = this.indexes[name] = new Index(fieldList, opts)
+    this.index.visitAll(index.insertRecord, index)
+    return this
   },
@@ -587,7 +582,6 @@
   recordId (record) {
-    const self = this
     if (record) {
-      return utils.get(record, self.recordId())
+      return utils.get(record, this.recordId())
     }
-    return self.mapper ? self.mapper.idAttribute : self.idAttribute
+    return this.mapper ? this.mapper.idAttribute : this.idAttribute
   },
@@ -644,21 +638,19 @@
   remove (id, opts) {
-    const self = this
-
     // Default values for arguments
     opts || (opts = {})
-    self.beforeRemove(id, opts)
-    const record = self.get(id)
+    this.beforeRemove(id, opts)
+    const record = this.get(id)
 
     // The record is in the collection, remove it
     if (record) {
-      self.index.removeRecord(record)
-      utils.forOwn(self.indexes, function (index, name) {
+      this.index.removeRecord(record)
+      utils.forOwn(this.indexes, function (index, name) {
         index.removeRecord(record)
       })
       if (record && utils.isFunction(record.off)) {
-        record.off('all', self._onRecordEvent, self)
-        self.emit('remove', record)
+        record.off('all', this._onRecordEvent, this)
+        this.emit('remove', record)
       }
     }
-    return self.afterRemove(id, opts, record) || record
+    return this.afterRemove(id, opts, record) || record
   },
@@ -680,13 +672,12 @@
   removeAll (query, opts) {
-    const self = this
     // Default values for arguments
     opts || (opts = {})
-    self.beforeRemoveAll(query, opts)
-    const records = self.filter(query)
+    this.beforeRemoveAll(query, opts)
+    const records = this.filter(query)
 
     // Remove each selected record from the collection
-    records.forEach(function (item) {
-      self.remove(self.recordId(item), opts)
+    records.forEach((item) => {
+      this.remove(this.recordId(item), opts)
     })
-    return self.afterRemoveAll(query, opts, records) || records
+    return this.afterRemoveAll(query, opts, records) || records
   },
@@ -753,5 +744,4 @@
   updateIndexes (record) {
-    const self = this
-    self.index.updateRecord(record)
-    utils.forOwn(self.indexes, function (index, name) {
+    this.index.updateRecord(record)
+    utils.forOwn(this.indexes, function (index, name) {
       index.updateRecord(record)
@@ -758,0 +748,0 @@ })

src/Container.js

@@ -12,3 +12,3 @@ import utils from './utils'
 
-const toProxy = [
+export const proxiedMapperMethods = [
   /**
@@ -439,9 +439,19 @@ * Wrapper for {@link Mapper#count}.
   constructor: function Container (opts) {
-    const self = this
-    utils.classCallCheck(self, Container)
-    Container.__super__.call(self)
+    utils.classCallCheck(this, Container)
+    Container.__super__.call(this)
     opts || (opts = {})
 
+    Object.defineProperties(this, {
+      // Holds the adapters, shared by all mappers in this container
+      _adapters: {
+        value: {}
+      },
+      // The the mappers in this container
+      _mappers: {
+        value: {}
+      }
+    })
+
     // Apply options provided by the user
-    utils.fillIn(self, opts)
+    utils.fillIn(this, opts)
 
@@ -457,3 +467,3 @@ /**
      */
-    self.mapperDefaults = self.mapperDefaults || {}
+    this.mapperDefaults = this.mapperDefaults || {}
 
@@ -469,9 +479,3 @@ /**
      */
-    self.mapperClass = self.mapperClass || Mapper
-
-    // Holds the adapters, shared by all mappers in this container
-    self._adapters = {}
-
-    // The the mappers in this container
-    self._mappers = {}
+    this.mapperClass = this.mapperClass || Mapper
   },
@@ -508,2 +512,40 @@
   /**
+   * Return a container scoped to a particular mapper.
+   *
+   * @example
+   * import {Container} from 'js-data'
+   * const store = new Container()
+   * const UserMapper = store.defineMapper('user')
+   * const UserStore = store.as('user')
+   *
+   * const user1 = store.createRecord('user', { name: 'John' })
+   * const user2 = UserStore.createRecord({ name: 'John' })
+   * const user3 = UserMapper.createRecord({ name: 'John' })
+   * assert.deepEqual(user1, user2)
+   * assert.deepEqual(user2, user3)
+   * assert.deepEqual(user1, user3)
+   *
+   * @method Container#as
+   * @param {string} name Name of the {@link Mapper}.
+   * @returns {Object} A container scoped to a particular mapper.
+   * @since 3.0.0
+   */
+  as (name) {
+    const props = {}
+    proxiedMapperMethods.forEach(function (method) {
+      props[method] = {
+        writable: true,
+        value: function (...args) {
+          return this.getMapper(name)[method](...args)
+        }
+      }
+    })
+    props.getMapper = {
+      writable: true,
+      value: () => this.getMapper(name)
+    }
+    return Object.create(this, props)
+  },
+
+  /**
    * Create a new mapper and register it in this container.
@@ -516,4 +558,8 @@ *
    * })
-   * const userMapper = store.defineMapper('user')
-   * userMapper.foo // "bar"
+   * // Container#defineMapper returns a direct reference to the newly created
+   * // Mapper.
+   * const UserMapper = store.defineMapper('user')
+   * UserMapper === store.getMapper('user') // true
+   * UserMapper === store.as('user').getMapper() // true
+   * UserMapper.foo // "bar"
    *
@@ -525,8 +571,7 @@ * @method Container#defineMapper
    * {@link Container#mapperClass} when creating the new {@link Mapper}.
-   * @returns {Mapper}
+   * @returns {Mapper} The newly created instance of {@link Mapper}.
+   * @see Container#as
    * @since 3.0.0
    */
   defineMapper (name, opts) {
-    const self = this
-
     // For backwards compatibility with defineResource
@@ -548,10 +593,10 @@ if (utils.isObject(name)) {
     // Check if the user is overriding the datastore's default mapperClass
-    const mapperClass = opts.mapperClass || self.mapperClass
+    const mapperClass = opts.mapperClass || this.mapperClass
     delete opts.mapperClass
 
     // Apply the datastore's defaults to the options going into the mapper
-    utils.fillIn(opts, self.mapperDefaults)
+    utils.fillIn(opts, this.mapperDefaults)
 
     // Instantiate a mapper
-    const mapper = self._mappers[name] = new mapperClass(opts) // eslint-disable-line
+    const mapper = this._mappers[name] = new mapperClass(opts) // eslint-disable-line
     mapper.relations || (mapper.relations = {})
@@ -561,22 +606,18 @@ // Make sure the mapper's name is set
     // All mappers in this datastore will share adapters
-    mapper._adapters = self.getAdapters()
+    mapper._adapters = this.getAdapters()
 
-    mapper.datastore = self
+    mapper.datastore = this
 
-    mapper.on('all', function (...args) {
-      self._onMapperEvent(name, ...args)
-    })
+    mapper.on('all', (...args) => this._onMapperEvent(name, ...args))
 
     // Setup the mapper's relations, including generating Mapper#relationList
     // and Mapper#relationFields
-    utils.forOwn(mapper.relations, function (group, type) {
-      utils.forOwn(group, function (relations, _name) {
+    utils.forOwn(mapper.relations, (group, type) => {
+      utils.forOwn(group, (relations, _name) => {
         if (utils.isObject(relations)) {
           relations = [relations]
         }
-        relations.forEach(function (def) {
-          def.getRelation = function () {
-            return self.getMapper(_name)
-          }
-          const relatedMapper = self._mappers[_name] || _name
+        relations.forEach((def) => {
+          def.getRelation = () => this.getMapper(_name)
+          const relatedMapper = this._mappers[_name] || _name
           if (type === belongsToType) {
@@ -597,2 +638,3 @@ mapper.belongsTo(relatedMapper, def)
   defineResource (name, opts) {
+    console.warn('DEPRECATED: defineResource is deprecated, use defineMapper instead')
     return this.defineMapper(name, opts)
@@ -611,8 +653,7 @@ },
   getAdapter (name) {
-    const self = this
-    const adapter = self.getAdapterName(name)
+    const adapter = this.getAdapterName(name)
     if (!adapter) {
       throw utils.err(`${DOMAIN}#getAdapter`, 'name')(400, 'string', name)
     }
-    return self.getAdapters()[adapter]
+    return this.getAdapters()[adapter]
   },
@@ -654,4 +695,7 @@
    * const container = new Container()
-   * const userMapper = container.defineMapper('user')
-   * userMapper === container.getMapper('user') // true
+   * // Container#defineMapper returns a direct reference to the newly created
+   * // Mapper.
+   * const UserMapper = container.defineMapper('user')
+   * UserMapper === container.getMapper('user') // true
+   * UserMapper === container.as('user').getMapper() // true
    *
@@ -691,9 +735,8 @@ * @method Container#getMapper
   registerAdapter (name, adapter, opts) {
-    const self = this
     opts || (opts = {})
-    self.getAdapters()[name] = adapter
+    this.getAdapters()[name] = adapter
     // Optionally make it the default adapter for the target.
     if (opts === true || opts.default) {
-      self.mapperDefaults.defaultAdapter = name
-      utils.forOwn(self._mappers, function (mapper) {
+      this.mapperDefaults.defaultAdapter = name
+      utils.forOwn(this._mappers, function (mapper) {
         mapper.defaultAdapter = name
@@ -705,3 +748,3 @@ })
 
-toProxy.forEach(function (method) {
+proxiedMapperMethods.forEach(function (method) {
   props[method] = function (name, ...args) {
@@ -785,3 +828,3 @@ return this.getMapper(name)[method](...args)
  */
-export default Component.extend(props)
+export const Container = Component.extend(props)
 
@@ -788,0 +831,0 @@ /**

src/DataStore.js

@@ -7,6 +7,24 @@ import utils from './utils'
 } from './decorators'
-import Container from './Container'
+import {proxiedMapperMethods, Container} from './Container'
 import LinkedCollection from './LinkedCollection'
 
 const DOMAIN = 'DataStore'
+const proxiedCollectionMethods = [
+  'add',
+  'between',
+  'createIndex',
+  'filter',
+  'get',
+  'getAll',
+  'query',
+  'toJson'
+]
+const ownMethodsForScoping = [
+  'addToCache',
+  'cachedFind',
+  'cachedFindAll',
+  'cacheFind',
+  'cacheFindAll',
+  'hashQuery'
+]
 
@@ -22,4 +40,3 @@ const safeSet = function (record, field, value) {
 const cachedFn = function (name, hashOrId, opts) {
-  const self = this
-  const cached = self._completedQueries[name][hashOrId]
+  const cached = this._completedQueries[name][hashOrId]
   if (utils.isFunction(cached)) {
@@ -33,11 +50,10 @@ return cached(name, hashOrId, opts)
   constructor: function DataStore (opts) {
-    const self = this
-    utils.classCallCheck(self, DataStore)
-    DataStore.__super__.call(self, opts)
+    utils.classCallCheck(this, DataStore)
+    DataStore.__super__.call(this, opts)
 
-    self.collectionClass = self.collectionClass || LinkedCollection
-    self._collections = {}
-    self._pendingQueries = {}
-    self._completedQueries = {}
-    return self
+    this.collectionClass = this.collectionClass || LinkedCollection
+    this._collections = {}
+    this._pendingQueries = {}
+    this._completedQueries = {}
+    return this
   },
@@ -116,2 +132,60 @@
   /**
+   * Return a store scoped to a particular mapper/collection pair.
+   *
+   * @example
+   * import {DataStore} from 'js-data'
+   * const store = new DataStore()
+   * const UserMapper = store.defineMapper('user')
+   * const UserStore = store.as('user')
+   *
+   * const user1 = store.createRecord('user', { name: 'John' })
+   * const user2 = UserStore.createRecord({ name: 'John' })
+   * const user3 = UserMapper.createRecord({ name: 'John' })
+   * assert.deepEqual(user1, user2)
+   * assert.deepEqual(user2, user3)
+   * assert.deepEqual(user1, user3)
+   *
+   * @method DataStore#as
+   * @param {string} name Name of the {@link Mapper}.
+   * @returns {Object} A store scoped to a particular mapper/collection pair.
+   * @since 3.0.0
+   */
+  as (name) {
+    const props = {}
+    ownMethodsForScoping.forEach(function (method) {
+      props[method] = {
+        writable: true,
+        value: function (...args) {
+          return this[method](name, ...args)
+        }
+      }
+    })
+    proxiedMapperMethods.forEach(function (method) {
+      props[method] = {
+        writable: true,
+        value: function (...args) {
+          return this.getMapper(name)[method](...args)
+        }
+      }
+    })
+    props.getMapper = {
+      writable: true,
+      value: () => this.getMapper(name)
+    }
+    proxiedCollectionMethods.forEach(function (method) {
+      props[method] = {
+        writable: true,
+        value: function (...args) {
+          return this.getCollection(name)[method](...args)
+        }
+      }
+    })
+    props.getCollection = {
+      writable: true,
+      value: () => this.getCollection(name)
+    }
+    return Object.create(this, props)
+  },
+
+  /**
    * Retrieve a cached `find` result, if any.
@@ -157,6 +231,3 @@ *
   cacheFind (name, data, id, opts) {
-    const self = this
-    self._completedQueries[name][id] = function (name, id, opts) {
-      return self.get(name, id)
-    }
+    this._completedQueries[name][id] = (name, id, opts) => this.get(name, id)
   },
@@ -183,8 +254,13 @@
   cacheFindAll (name, data, hash, opts) {
-    const self = this
-    self._completedQueries[name][hash] = function (name, hash, opts) {
-      return self.filter(name, utils.fromJson(hash))
-    }
+    this._completedQueries[name][hash] = (name, hash, opts) => this.filter(name, utils.fromJson(hash))
   },
 
+  clear () {
+    const removed = {}
+    utils.forOwn(this._collections, (collection, name) => {
+      removed[name] = collection.removeAll()
+    })
+    return removed
+  },
+
   /**
@@ -202,7 +278,5 @@ * TODO
   create (name, record, opts) {
-    const self = this
     opts || (opts = {})
-    return self._callSuper('create', name, record, opts).then(function (data) {
-      return self._end(name, data, opts)
-    })
+    return this._callSuper('create', name, record, opts)
+      .then((result) => this._end(name, result, opts))
   },
@@ -222,10 +296,9 @@
   createMany (name, records, opts) {
-    const self = this
     opts || (opts = {})
-    return self._callSuper('createMany', name, records, opts).then(function (data) {
-      return self._end(name, data, opts)
-    })
+    return this._callSuper('createMany', name, records, opts)
+      .then((result) => this._end(name, result, opts))
   },
 
   defineMapper (name, opts) {
+    // Complexity of this method is beyond simply using => functions to bind context
     const self = this
@@ -552,13 +625,12 @@ const mapper = utils.getSuper(self).prototype.defineMapper.call(self, name, opts)
   destroy (name, id, opts) {
-    const self = this
     opts || (opts = {})
-    return self._callSuper('destroy', name, id, opts).then(function (data) {
+    return this._callSuper('destroy', name, id, opts).then((result) => {
       if (opts.raw) {
-        data.data = self.getCollection(name).remove(id, opts)
+        result.data = this.getCollection(name).remove(id, opts)
       } else {
-        data = self.getCollection(name).remove(id, opts)
+        result = this.getCollection(name).remove(id, opts)
       }
-      delete self._pendingQueries[name][id]
-      delete self._completedQueries[name][id]
-      return data
+      delete this._pendingQueries[name][id]
+      delete this._completedQueries[name][id]
+      return result
     })
@@ -579,23 +651,24 @@ },
   destroyAll (name, query, opts) {
-    const self = this
     opts || (opts = {})
-    return self._callSuper('destroyAll', name, query, opts).then(function (data) {
+    return this._callSuper('destroyAll', name, query, opts).then((result) => {
       if (opts.raw) {
-        data.data = self.getCollection(name).removeAll(query, opts)
+        result.data = this.getCollection(name).removeAll(query, opts)
       } else {
-        data = self.getCollection(name).removeAll(query, opts)
+        result = this.getCollection(name).removeAll(query, opts)
       }
-      const hash = self.hashQuery(name, query, opts)
-      delete self._pendingQueries[name][hash]
-      delete self._completedQueries[name][hash]
-      return data
+      const hash = this.hashQuery(name, query, opts)
+      delete this._pendingQueries[name][hash]
+      delete this._completedQueries[name][hash]
+      return result
     })
   },
 
-  eject (id, opts) {
-    return this.remove(id, opts)
+  eject (name, id, opts) {
+    console.warn('DEPRECATED: "eject" is deprecated, use "remove" instead')
+    return this.remove(name, id, opts)
   },
 
-  ejectAll (query, opts) {
-    return this.removeAll(query, opts)
+  ejectAll (name, query, opts) {
+    console.warn('DEPRECATED: "ejectAll" is deprecated, use "removeAll" instead')
+    return this.removeAll(name, query, opts)
   },
@@ -614,7 +687,6 @@
   find (name, id, opts) {
-    const self = this
     opts || (opts = {})
-    const pendingQuery = self._pendingQueries[name][id]
+    const pendingQuery = this._pendingQueries[name][id]
 
-    utils.fillIn(opts, self.getMapper(name))
+    utils.fillIn(opts, this.getMapper(name))
 
@@ -624,13 +696,13 @@ if (pendingQuery) {
     }
-    const item = self.cachedFind(name, id, opts)
+    const item = this.cachedFind(name, id, opts)
     let promise
 
     if (opts.force || !item) {
-      promise = self._pendingQueries[name][id] = self._callSuper('find', name, id, opts).then(function (data) {
-        delete self._pendingQueries[name][id]
-        const result = self._end(name, data, opts)
-        self.cacheFind(name, result, id, opts)
+      promise = this._pendingQueries[name][id] = this._callSuper('find', name, id, opts).then((result) => {
+        delete this._pendingQueries[name][id]
+        result = this._end(name, result, opts)
+        this.cacheFind(name, result, id, opts)
         return result
-      }, function (err) {
-        delete self._pendingQueries[name][id]
+      }, (err) => {
+        delete this._pendingQueries[name][id]
         return utils.reject(err)
@@ -655,8 +727,7 @@ })
   findAll (name, query, opts) {
-    const self = this
     opts || (opts = {})
-    const hash = self.hashQuery(name, query, opts)
-    const pendingQuery = self._pendingQueries[name][hash]
+    const hash = this.hashQuery(name, query, opts)
+    const pendingQuery = this._pendingQueries[name][hash]
 
-    utils.fillIn(opts, self.getMapper(name))
+    utils.fillIn(opts, this.getMapper(name))
 
@@ -667,13 +738,13 @@ if (pendingQuery) {
 
-    const items = self.cachedFindAll(name, hash, opts)
+    const items = this.cachedFindAll(name, hash, opts)
     let promise
 
     if (opts.force || !items) {
-      promise = self._pendingQueries[name][hash] = self._callSuper('findAll', name, query, opts).then(function (data) {
-        delete self._pendingQueries[name][hash]
-        const result = self._end(name, data, opts)
-        self.cacheFindAll(name, result, hash, opts)
+      promise = this._pendingQueries[name][hash] = this._callSuper('findAll', name, query, opts).then((result) => {
+        delete this._pendingQueries[name][hash]
+        result = this._end(name, result, opts)
+        this.cacheFindAll(name, result, hash, opts)
         return result
-      }, function (err) {
-        delete self._pendingQueries[name][hash]
+      }, (err) => {
+        delete this._pendingQueries[name][hash]
         return utils.reject(err)
@@ -707,11 +778,11 @@ })
 
-  inject (records, opts) {
-    return this.add(records, opts)
+  inject (name, records, opts) {
+    console.warn('DEPRECATED: "inject" is deprecated, use "add" instead')
+    return this.add(name, records, opts)
   },
 
   remove (name, id, opts) {
-    const self = this
-    const record = self.getCollection(name).remove(id, opts)
+    const record = this.getCollection(name).remove(id, opts)
     if (record) {
-      self.removeRelated(name, [record], opts)
+      this.removeRelated(name, [record], opts)
     }
@@ -722,6 +793,5 @@ return record
   removeAll (name, query, opts) {
-    const self = this
-    const records = self.getCollection(name).removeAll(query, opts)
+    const records = this.getCollection(name).removeAll(query, opts)
     if (records.length) {
-      self.removeRelated(name, records, opts)
+      this.removeRelated(name, records, opts)
     }
@@ -732,5 +802,4 @@ return records
   removeRelated (name, records, opts) {
-    const self = this
-    utils.forEachRelation(self.getMapper(name), opts, function (def, optsCopy) {
-      records.forEach(function (record) {
+    utils.forEachRelation(this.getMapper(name), opts, (def, optsCopy) => {
+      records.forEach((record) => {
         let relatedData
@@ -757,6 +826,6 @@ let query
         } else if (def.type === belongsToType) {
-          relatedData = self.remove(def.relation, def.getForeignKey(record), optsCopy)
+          relatedData = this.remove(def.relation, def.getForeignKey(record), optsCopy)
         }
         if (query) {
-          relatedData = self.removeAll(def.relation, query, optsCopy)
+          relatedData = this.removeAll(def.relation, query, optsCopy)
         }
@@ -789,7 +858,5 @@ if (relatedData) {
   update (name, id, record, opts) {
-    const self = this
     opts || (opts = {})
-    return self._callSuper('update', name, id, record, opts).then(function (data) {
-      return self._end(name, data, opts)
-    })
+    return this._callSuper('update', name, id, record, opts)
+      .then((result) => this._end(name, result, opts))
   },
@@ -810,7 +877,5 @@
   updateAll (name, props, query, opts) {
-    const self = this
     opts || (opts = {})
-    return self._callSuper('updateAll', name, query, props, opts).then(function (data) {
-      return self._end(name, data, opts)
-    })
+    return this._callSuper('updateAll', name, query, props, opts)
+      .then((result) => this._end(name, result, opts))
   },
@@ -830,22 +895,9 @@
   updateMany (name, records, opts) {
-    const self = this
     opts || (opts = {})
-    return self._callSuper('updateMany', name, records, opts).then(function (data) {
-      return self._end(name, data, opts)
-    })
+    return this._callSuper('updateMany', name, records, opts)
+      .then((result) => this._end(name, result, opts))
   }
 }
 
-const toProxy = [
-  'add',
-  'between',
-  'createIndex',
-  'filter',
-  'get',
-  'getAll',
-  'query',
-  'toJson'
-]
-
-toProxy.forEach(function (method) {
+proxiedCollectionMethods.forEach(function (method) {
   props[method] = function (name, ...args) {
@@ -875,4 +927,10 @@ return this.getCollection(name)[method](...args)
  * const store = new DataStore()
+ *
+ * // DataStore#defineMapper returns a direct reference to the newly created
+ * // Mapper.
  * const UserMapper = store.defineMapper('user')
  *
+ * // DataStore#as returns the store scoped to a particular Mapper.
+ * const UserStore = store.as('user')
+ *
  * // Call "find" on "UserMapper" (Stateless ORM)
@@ -883,3 +941,3 @@ * UserMapper.find(1).then((user) => {
  *   // Call "find" on "store" targeting "user" (Stateful DataStore)
- *   return store.find('user', 1)
+ *   return store.find('user', 1) // same as "UserStore.find(1)"
  * }).then((user) => {
@@ -886,0 +944,0 @@ *   // not only was a "user" record retrieved, but it was added to the

src/decorators.js

@@ -10,3 +10,2 @@ import utils from './utils'
 function Relation (related, opts) {
-  const self = this
   const DOMAIN_ERR = `new ${DOMAIN}`
@@ -38,3 +37,3 @@
     opts.relation = related.name
-    Object.defineProperty(self, 'relatedMapper', {
+    Object.defineProperty(this, 'relatedMapper', {
       value: related
@@ -46,3 +45,3 @@ })
 
-  Object.defineProperty(self, 'inverse', {
+  Object.defineProperty(this, 'inverse', {
     value: undefined,
@@ -52,3 +51,3 @@ writable: true
 
-  utils.fillIn(self, opts)
+  utils.fillIn(this, opts)
 }
@@ -67,16 +66,15 @@
   setForeignKey (record, relatedRecord) {
-    const self = this
     if (!record || !relatedRecord) {
       return
     }
-    if (self.type === belongsToType) {
-      utils.set(record, self.foreignKey, utils.get(relatedRecord, self.getRelation().idAttribute))
+    if (this.type === belongsToType) {
+      utils.set(record, this.foreignKey, utils.get(relatedRecord, this.getRelation().idAttribute))
     } else {
-      const idAttribute = self.mapper.idAttribute
+      const idAttribute = this.mapper.idAttribute
       if (utils.isArray(relatedRecord)) {
-        relatedRecord.forEach(function (relatedRecordItem) {
-          utils.set(relatedRecordItem, self.foreignKey, utils.get(record, idAttribute))
+        relatedRecord.forEach((relatedRecordItem) => {
+          utils.set(relatedRecordItem, this.foreignKey, utils.get(record, idAttribute))
         })
       } else {
-        utils.set(relatedRecord, self.foreignKey, utils.get(record, idAttribute))
+        utils.set(relatedRecord, this.foreignKey, utils.get(record, idAttribute))
       }
@@ -92,16 +90,15 @@ }
   getInverse (mapper) {
-    const self = this
-    if (self.inverse) {
-      return self.inverse
+    if (this.inverse) {
+      return this.inverse
     }
-    self.getRelation().relationList.forEach(function (def) {
+    this.getRelation().relationList.forEach((def) => {
       if (def.getRelation() === mapper) {
-        if (def.foreignKey && def.foreignKey !== self.foreignKey) {
+        if (def.foreignKey && def.foreignKey !== this.foreignKey) {
           return
         }
-        self.inverse = def
+        this.inverse = def
         return false
       }
     })
-    return self.inverse
+    return this.inverse
   }
@@ -108,0 +105,0 @@ })

src/index.js

@@ -113,3 +113,3 @@ /**
  */
-import Container from './Container'
+import {Container} from './Container'
 
@@ -161,7 +161,7 @@ /**
  * const store = new Container()
- * const UserService = store.defineMapper('user')
+ * store.defineMapper('user')
  *
  * @example <caption>Create Mapper manually</caption>
  * import {Mapper} from 'js-data'
- * const UserService = new Mapper({ name: 'user' })
+ * const UserMapper = new Mapper({ name: 'user' })
  *
@@ -194,4 +194,4 @@ * @name module:js-data.Mapper
  * const store = new Container()
- * const UserService = store.defineMapper('user')
- * const user = UserService.createRecord()
+ * store.defineMapper('user')
+ * const user = store.createRecord('user')
  *
@@ -218,3 +218,3 @@ * @name module:js-data.Record
  * const store = new Container()
- * const UserService = store.defineMapper('user', {
+ * store.defineMapper('user', {
  *   schema: userSchema
@@ -221,0 +221,0 @@ * })

src/LinkedCollection.js

@@ -27,21 +27,25 @@ import utils from './utils'
   constructor: function LinkedCollection (records, opts) {
-    const self = this
-    utils.classCallCheck(self, LinkedCollection)
-    LinkedCollection.__super__.call(self, records, opts)
-
+    utils.classCallCheck(this, LinkedCollection)
     // Make sure this collection has somewhere to store "added" timestamps
-    Object.defineProperty(self, '_added', {
-      value: {}
+    Object.defineProperties(this, {
+      _added: {
+        value: {}
+      },
+      datastore: {
+        writable: true,
+        value: undefined
+      }
     })
 
+    LinkedCollection.__super__.call(this, records, opts)
+
     // Make sure this collection has a reference to a datastore
-    if (!self.datastore) {
-      throw utils.err(`new ${DOMAIN}`, 'opts.datastore')(400, 'DataStore', self.datastore)
+    if (!this.datastore) {
+      throw utils.err(`new ${DOMAIN}`, 'opts.datastore')(400, 'DataStore', this.datastore)
     }
-    return self
+    return this
   },
 
   _onRecordEvent (...args) {
-    const self = this
-    utils.getSuper(self).prototype._onRecordEvent.apply(self, args)
+    utils.getSuper(this).prototype._onRecordEvent.apply(this, args)
     const event = args[0]
@@ -51,3 +55,3 @@ // This is a very brute force method
     if (utils.isString(event) && event.indexOf('change') === 0) {
-      self.updateIndexes(args[1])
+      this.updateIndexes(args[1])
     }
@@ -57,5 +61,4 @@ },
   add (records, opts) {
-    const self = this
-    const datastore = self.datastore
-    const mapper = self.mapper
+    const datastore = this.datastore
+    const mapper = this.mapper
     const relationList = mapper.relationList
@@ -72,3 +75,3 @@ const timestamp = new Date().getTime()
 
-    records = utils.getSuper(self).prototype.add.call(self, records, opts)
+    records = utils.getSuper(this).prototype.add.call(this, records, opts)
 
@@ -182,5 +185,5 @@ if (relationList.length && records.length) {
 
-    records.forEach(function (record) {
+    records.forEach((record) => {
       // Track when this record was added
-      self._added[self.recordId(record)] = timestamp
+      this._added[this.recordId(record)] = timestamp
 
@@ -196,7 +199,6 @@ if (usesRecordClass) {
   remove (id, opts) {
-    const self = this
-    const mapper = self.mapper
-    const record = utils.getSuper(self).prototype.remove.call(self, id, opts)
+    const mapper = this.mapper
+    const record = utils.getSuper(this).prototype.remove.call(this, id, opts)
     if (record) {
-      delete self._added[id]
+      delete this._added[id]
       if (mapper.recordClass) {
@@ -210,7 +212,6 @@ record._set('$') // unset
   removeAll (query, opts) {
-    const self = this
-    const mapper = self.mapper
-    const records = utils.getSuper(self).prototype.removeAll.call(self, query, opts)
-    records.forEach(function (record) {
-      delete self._added[self.recordId(record)]
+    const mapper = this.mapper
+    const records = utils.getSuper(this).prototype.removeAll.call(this, query, opts)
+    records.forEach((record) => {
+      delete this._added[this.recordId(record)]
       if (mapper.recordClass) {
@@ -217,0 +218,0 @@ record._set('$') // unset

src/Query.js

@@ -45,4 +45,3 @@ import utils from './utils'
   constructor: function Query (collection) {
-    const self = this
-    utils.classCallCheck(self, Query)
+    utils.classCallCheck(this, Query)
 
@@ -56,3 +55,3 @@ /**
      */
-    self.collection = collection
+    this.collection = collection
 
@@ -66,5 +65,86 @@ /**
      */
-    self.data = null
+    this.data = null
   },
 
+  _applyWhereFromObject (where) {
+    const fields = []
+    const ops = []
+    const predicates = []
+    utils.forOwn(where, (clause, field) => {
+      if (!utils.isObject(clause)) {
+        clause = {
+          '==': clause
+        }
+      }
+      utils.forOwn(clause, (expr, op) => {
+        fields.push(field)
+        ops.push(op)
+        predicates.push(expr)
+      })
+    })
+    return {
+      fields,
+      ops,
+      predicates
+    }
+  },
+
+  _applyWhereFromArray (where) {
+    const groups = []
+    where.forEach((_where, i) => {
+      if (utils.isString(_where)) {
+        return
+      }
+      const prev = where[i - 1]
+      const parser = utils.isArray(_where) ? this._applyWhereFromArray : this._applyWhereFromObject
+      const group = parser.call(this, _where)
+      if (prev === 'or') {
+        group.isOr = true
+      }
+      groups.push(group)
+    })
+    groups.isArray = true
+    return groups
+  },
+
+  _testObjectGroup (keep, first, group, item) {
+    let i
+    const fields = group.fields
+    const ops = group.ops
+    const predicates = group.predicates
+    const len = ops.length
+    for (i = 0; i < len; i++) {
+      let op = ops[i]
+      const isOr = op.charAt(0) === '|'
+      op = isOr ? op.substr(1) : op
+      const expr = this.evaluate(utils.get(item, fields[i]), op, predicates[i])
+      if (expr !== undefined) {
+        keep = first ? expr : (isOr ? keep || expr : keep && expr)
+      }
+      first = false
+    }
+    return { keep, first }
+  },
+
+  _testArrayGroup (keep, first, groups, item) {
+    let i
+    const len = groups.length
+    for (i = 0; i < len; i++) {
+      const group = groups[i]
+      const parser = group.isArray ? this._testArrayGroup : this._testObjectGroup
+      const result = parser.call(this, true, true, group, item)
+      if (groups[i - 1]) {
+        if (group.isOr) {
+          keep = keep || result.keep
+        } else {
+          keep = keep && result.keep
+        }
+      } else {
+        keep = result.keep
+      }
+      first = result.first
+    }
+    return { keep, first }
+  },
+
   /**
@@ -95,9 +175,8 @@ * Find all entities between two boundaries.
   between (leftKeys, rightKeys, opts) {
-    const self = this
     opts || (opts = {})
-    if (self.data) {
+    if (this.data) {
       throw utils.err(`${DOMAIN}#between`)(500, 'Cannot access index')
     }
-    self.data = self.collection.getIndex(opts.index).between(leftKeys, rightKeys, opts)
-    return self
+    this.data = this.collection.getIndex(opts.index).between(leftKeys, rightKeys, opts)
+    return this
   },
@@ -203,4 +282,2 @@
   filter (query, thisArg) {
-    const self = this
-
     /**
@@ -263,3 +340,3 @@ * Selection query as defined by JSData's [Query Syntax][querysyntax].
     query || (query = {})
-    self.getData()
+    this.getData()
     if (utils.isObject(query)) {
@@ -280,3 +357,3 @@ let where = {}
        */
-      if (utils.isObject(query.where)) {
+      if (utils.isObject(query.where) || utils.isArray(query.where)) {
         where = query.where
@@ -291,37 +368,13 @@ }
       })
+      let groups
 
-      const fields = []
-      const ops = []
-      const predicates = []
-      utils.forOwn(where, function (clause, field) {
-        if (!utils.isObject(clause)) {
-          clause = {
-            '==': clause
-          }
-        }
-        utils.forOwn(clause, function (expr, op) {
-          fields.push(field)
-          ops.push(op)
-          predicates.push(expr)
-        })
-      })
-      if (fields.length) {
-        let i
-        let len = fields.length
-        self.data = self.data.filter(function (item) {
-          let first = true
-          let keep = true
+      // Apply filter for each field
+      if (utils.isObject(where) && Object.keys(where).length !== 0) {
+        groups = this._applyWhereFromArray([where])
+      } else if (utils.isArray(where)) {
+        groups = this._applyWhereFromArray(where)
+      }
 
-          for (i = 0; i < len; i++) {
-            let op = ops[i]
-            const isOr = op.charAt(0) === '|'
-            op = isOr ? op.substr(1) : op
-            const expr = self.evaluate(utils.get(item, fields[i]), op, predicates[i])
-            if (expr !== undefined) {
-              keep = first ? expr : (isOr ? keep || expr : keep && expr)
-            }
-            first = false
-          }
-          return keep
-        })
+      if (groups) {
+        this.data = this.data.filter((item, i) => this._testArrayGroup(true, true, groups, item).keep)
       }
@@ -359,5 +412,3 @@
         })
-        self.data.sort(function (a, b) {
-          return self.compare(orderBy, index, a, b)
-        })
+        this.data.sort((a, b) => this.compare(orderBy, index, a, b))
       }
@@ -382,5 +433,5 @@
       if (utils.isNumber(query.skip)) {
-        self.skip(query.skip)
+        this.skip(query.skip)
       } else if (utils.isNumber(query.offset)) {
-        self.skip(query.offset)
+        this.skip(query.offset)
       }
@@ -405,8 +456,8 @@
       if (utils.isNumber(query.limit)) {
-        self.limit(query.limit)
+        this.limit(query.limit)
       }
     } else if (utils.isFunction(query)) {
-      self.data = self.data.filter(query, thisArg)
+      this.data = this.data.filter(query, thisArg)
     }
-    return self
+    return this
   },
@@ -458,6 +509,5 @@
   get (keyList, opts) {
-    const self = this
     keyList || (keyList = [])
     opts || (opts = {})
-    if (self.data) {
+    if (this.data) {
       throw utils.err(`${DOMAIN}#get`)(500, INDEX_ERR)
@@ -469,7 +519,7 @@ }
     if (!keyList.length) {
-      self.getData()
-      return self
+      this.getData()
+      return this
     }
-    self.data = self.collection.getIndex(opts.index).get(keyList)
-    return self
+    this.data = this.collection.getIndex(opts.index).get(keyList)
+    return this
   },
@@ -497,10 +547,9 @@
   getAll (...args) {
-    const self = this
     let opts = {}
-    if (self.data) {
+    if (this.data) {
       throw utils.err(`${DOMAIN}#getAll`)(500, INDEX_ERR)
     }
     if (!args.length || args.length === 1 && utils.isObject(args[0])) {
-      self.getData()
-      return self
+      this.getData()
+      return this
     } else if (args.length && utils.isObject(args[args.length - 1])) {
@@ -510,9 +559,9 @@ opts = args[args.length - 1]
     }
-    const collection = self.collection
+    const collection = this.collection
     const index = collection.getIndex(opts.index)
-    self.data = []
-    args.forEach(function (keyList) {
-      self.data = self.data.concat(index.get(keyList))
+    this.data = []
+    args.forEach((keyList) => {
+      this.data = this.data.concat(index.get(keyList))
     })
-    return self
+    return this
   },
@@ -528,7 +577,6 @@
   getData () {
-    const self = this
-    if (!self.data) {
-      self.data = self.collection.index.getAll()
+    if (!this.data) {
+      this.data = this.collection.index.getAll()
     }
-    return self.data
+    return this.data
   },
@@ -715,2 +763,5 @@
   ops: {
+    '=': function (value, predicate) {
+      return value == predicate // eslint-disable-line
+    },
     '==': function (value, predicate) {
@@ -717,0 +768,0 @@ return value == predicate // eslint-disable-line

src/Record.js

@@ -32,4 +32,3 @@ import utils from './utils'
   constructor: function Record (props, opts) {
-    const self = this
-    utils.classCallCheck(self, Record)
+    utils.classCallCheck(this, Record)
 
@@ -39,3 +38,3 @@ props || (props = {})
     const _props = {}
-    Object.defineProperties(self, {
+    Object.defineProperties(this, {
       _get: { value (key) { return utils.get(_props, key) } },
@@ -45,3 +44,3 @@ _set: { value (key, value) { return utils.set(_props, key, value) } },
     })
-    const _set = self._set
+    const _set = this._set
     // TODO: Optimize these strings
@@ -52,3 +51,3 @@ _set('creating', true)
     }
-    utils.fillIn(self, props)
+    utils.fillIn(this, props)
     _set('creating', false)
@@ -67,4 +66,3 @@ _set('noValidate', false)
   _mapper () {
-    const self = this
-    const mapper = self.constructor.mapper
+    const mapper = this.constructor.mapper
     if (!mapper) {
@@ -107,5 +105,4 @@ throw utils.err(`${DOMAIN}#_mapper`, '')(404, 'mapper')
   changes (opts) {
-    const self = this
     opts || (opts = {})
-    return utils.diffObjects(typeof self.toJSON === 'function' ? self.toJSON(opts) : self, self._get('previous'), opts)
+    return utils.diffObjects(typeof this.toJSON === 'function' ? this.toJSON(opts) : this, this._get('previous'), opts)
   },
@@ -120,6 +117,5 @@
   commit () {
-    const self = this
-    self._set('changed') // unset
-    self._set('previous', utils.copy(self))
-    return self
+    this._set('changed') // unset
+    this._set('previous', utils.copy(this))
+    return this
   },
@@ -136,6 +132,5 @@
   destroy (opts) {
-    const self = this
     opts || (opts = {})
-    const mapper = self._mapper()
-    return superMethod(mapper, 'destroy')(utils.get(self, mapper.idAttribute), opts)
+    const mapper = this._mapper()
+    return superMethod(mapper, 'destroy')(utils.get(this, mapper.idAttribute), opts)
   },
@@ -166,5 +161,4 @@
   hasChanges (opts) {
-    const self = this
-    const quickHasChanges = !!(self._get('changed') || []).length
-    return quickHasChanges || utils.areDifferent(typeof self.toJSON === 'function' ? self.toJSON(opts) : self, self._get('previous'), opts)
+    const quickHasChanges = !!(this._get('changed') || []).length
+    return quickHasChanges || utils.areDifferent(typeof this.toJSON === 'function' ? this.toJSON(opts) : this, this._get('previous'), opts)
   },
@@ -179,9 +173,7 @@
   hashCode () {
-    const self = this
-    return utils.get(self, self._mapper().idAttribute)
+    return utils.get(this, this._mapper().idAttribute)
   },
 
   isValid (opts) {
-    const self = this
-    return !self._mapper().validate(self, opts)
+    return !this._mapper().validate(this, opts)
   },
@@ -199,4 +191,3 @@
     let op
-    const self = this
-    const mapper = self._mapper()
+    const mapper = this._mapper()
 
@@ -217,17 +208,17 @@ // Default values for arguments
     op = opts.op = 'beforeLoadRelations'
-    return utils.resolve(self[op](relations, opts)).then(function () {
+    return utils.resolve(this[op](relations, opts)).then(() => {
       // Now delegate to the adapter
       op = opts.op = 'loadRelations'
-      mapper.dbg(op, self, relations, opts)
+      mapper.dbg(op, this, relations, opts)
       let tasks = []
       let task
-      utils.forEachRelation(mapper, opts, function (def, optsCopy) {
+      utils.forEachRelation(mapper, opts, (def, optsCopy) => {
         const relatedMapper = def.getRelation()
         optsCopy.raw = false
         if (utils.isFunction(def.load)) {
-          task = def.load(mapper, def, self, opts)
+          task = def.load(mapper, def, this, opts)
         } else if (def.type === 'hasMany' || def.type === 'hasOne') {
           if (def.foreignKey) {
             task = superMethod(relatedMapper, 'findAll')({
-              [def.foreignKey]: utils.get(self, mapper.idAttribute)
+              [def.foreignKey]: utils.get(this, mapper.idAttribute)
             }, optsCopy).then(function (relatedData) {
@@ -243,3 +234,3 @@ if (def.type === 'hasOne') {
                 [relatedMapper.idAttribute]: {
-                  'in': utils.get(self, def.localKeys)
+                  'in': utils.get(this, def.localKeys)
                 }
@@ -252,3 +243,3 @@ }
                 [def.foreignKeys]: {
-                  'contains': utils.get(self, mapper.idAttribute)
+                  'contains': utils.get(this, mapper.idAttribute)
                 }
@@ -259,3 +250,3 @@ }
         } else if (def.type === 'belongsTo') {
-          const key = utils.get(self, def.foreignKey)
+          const key = utils.get(this, def.foreignKey)
           if (utils.isSorN(key)) {
@@ -266,4 +257,4 @@ task = superMethod(relatedMapper, 'find')(key, optsCopy)
         if (task) {
-          task = task.then(function (relatedData) {
-            def.setLocalField(self, relatedData)
+          task = task.then((relatedData) => {
+            def.setLocalField(this, relatedData)
           })
@@ -274,8 +265,6 @@ tasks.push(task)
       return Promise.all(tasks)
-    }).then(function () {
+    }).then(() => {
       // afterLoadRelations lifecycle hook
       op = opts.op = 'afterLoadRelations'
-      return utils.resolve(self[op](relations, opts)).then(function () {
-        return self
-      })
+      return utils.resolve(this[op](relations, opts)).then(() => this)
     })
@@ -292,7 +281,6 @@ },
   previous (key) {
-    const self = this
     if (key) {
-      return self._get(`previous.${key}`)
+      return this._get(`previous.${key}`)
     }
-    return self._get('previous')
+    return this._get('previous')
   },
@@ -308,9 +296,8 @@
   revert (opts) {
-    const self = this
-    const previous = self._get('previous')
+    const previous = this._get('previous')
     opts || (opts = {})
     opts.preserve || (opts.preserve = [])
-    utils.forOwn(self, (value, key) => {
-      if (key !== self._mapper().idAttribute && !previous.hasOwnProperty(key) && self.hasOwnProperty(key) && opts.preserve.indexOf(key) === -1) {
-        delete self[key]
+    utils.forOwn(this, (value, key) => {
+      if (key !== this._mapper().idAttribute && !previous.hasOwnProperty(key) && this.hasOwnProperty(key) && opts.preserve.indexOf(key) === -1) {
+        delete this[key]
       }
@@ -320,7 +307,7 @@ })
       if (opts.preserve.indexOf(key) === -1) {
-        self[key] = value
+        this[key] = value
       }
     })
-    self.commit()
-    return self
+    this.commit()
+    return this
   },
@@ -344,7 +331,6 @@
   save (opts) {
-    const self = this
     opts || (opts = {})
-    const mapper = self._mapper()
-    const id = utils.get(self, mapper.idAttribute)
-    let props = self
+    const mapper = this._mapper()
+    const id = utils.get(this, mapper.idAttribute)
+    let props = this
     if (utils.isUndefined(id)) {
@@ -354,3 +340,3 @@ return superMethod(mapper, 'create')(props, opts)
     if (opts.changesOnly) {
-      const changes = self.changes(opts)
+      const changes = this.changes(opts)
       props = {}
@@ -375,3 +361,2 @@ utils.fillIn(props, changes.added)
   'set' (key, value, opts) {
-    const self = this
     if (utils.isObject(key)) {
@@ -382,7 +367,7 @@ opts = value
     if (opts.silent) {
-      self._set('silent', true)
+      this._set('silent', true)
     }
-    utils.set(self, key, value)
-    if (!self._get('eventId')) {
-      self._set('silent') // unset
+    utils.set(this, key, value)
+    if (!this._get('eventId')) {
+      this._set('silent') // unset
     }
@@ -389,0 +374,0 @@ },

src/Schema.js

@@ -514,3 +514,3 @@ import utils from './utils'
     if (!validType) {
-      return makeError(value ? typeof value : '' + value, `one of (${type.join(', ')})`, opts)
+      return makeError(!utils.isUndefined(value) && value !== null ? typeof value : '' + value, `one of (${type.join(', ')})`, opts)
     }
@@ -626,3 +626,3 @@ // Run keyword validators for matched type
     // Check if property is required
-    if (schema.required === true) {
+    if (schema.required === true && !opts.existingOnly) {
       addError(value, 'a value', opts, errors)
@@ -684,7 +684,6 @@ }
   descriptor.set = function (value) {
-    const self = this
     // These are accessed a lot
-    const _get = self[getter]
-    const _set = self[setter]
-    const _unset = self[unsetter]
+    const _get = this[getter]
+    const _set = this[setter]
+    const _unset = this[unsetter]
 
@@ -754,5 +753,5 @@ // Optionally check that the new value passes validation
             for (i = 0; i < changed.length; i++) {
-              self.emit('change:' + changed[i], self, utils.get(self, changed[i]))
+              this.emit('change:' + changed[i], this, utils.get(this, changed[i]))
             }
-            self.emit('change', self, self.changes())
+            this.emit('change', this, this.changes())
           }
@@ -877,3 +876,2 @@ _unset(silentPath)
   constructor: function Schema (definition) {
-    // const self = this
     definition || (definition = {})
@@ -880,0 +878,0 @@ // TODO: schema validation

src/utils.js

@@ -350,3 +350,3 @@ /**
     if (!utils.isFunction(equalsFn)) {
-      equalsFn = utils.strictEqual
+      equalsFn = utils.deepEqual
     }
@@ -508,6 +508,8 @@
     }
-    Object.defineProperty(subClass, '__super__', {
-      configurable: true,
-      value: superClass
-    })
+    if (!subClass.hasOwnProperty('__super__')) {
+      Object.defineProperty(subClass, '__super__', {
+        configurable: true,
+        value: superClass
+      })
+    }
 
@@ -538,3 +540,3 @@ utils.addHiddenPropsToTarget(subClass.prototype, props)
   /**
-   * Find the index of something according to the given checker function.
+   * Find the last index of something according to the given checker function.
    *
@@ -861,2 +863,12 @@ * @ignore
 
+  pick (props, keys) {
+    const _props = {}
+    utils.forOwn(props, function (value, key) {
+      if (keys.indexOf(key) !== -1) {
+        _props[key] = value
+      }
+    })
+    return _props
+  },
+
   /**
@@ -883,5 +895,7 @@ * TODO
   /**
-   * TODO
+   * Remove the last item found in array according to the given checker function.
    *
    * @ignore
+   * @param {Array} array The array to search.
+   * @param {Function} fn Checker function.
    */
@@ -939,17 +953,26 @@ remove (array, fn) {
    */
-  strictEqual (a, b) {
-    let _equal = a === b
-    if (!_equal) {
-      if (utils.isObject(a) && utils.isObject(b)) {
-        utils.forOwn(a, function (value, key) {
-          _equal = _equal && utils.strictEqual(value, b[key])
-        })
-        utils.forOwn(b, function (value, key) {
-          _equal = _equal && utils.strictEqual(value, a[key])
-        })
-      } else if (utils.isArray(a) && utils.isArray(b)) {
-        a.forEach(function (value, i) {
-          _equal = _equal && utils.strictEqual(value, b[i])
-        })
+  deepEqual (a, b) {
+    if (a === b) {
+      return true
+    }
+    let _equal = true
+    if (utils.isObject(a) && utils.isObject(b)) {
+      utils.forOwn(a, function (value, key) {
+        _equal = _equal && utils.deepEqual(value, b[key])
+      })
+      if (!_equal) {
+        return _equal
       }
+      utils.forOwn(b, function (value, key) {
+        _equal = _equal && utils.deepEqual(value, a[key])
+      })
+    } else if (utils.isArray(a) && utils.isArray(b)) {
+      a.forEach(function (value, i) {
+        _equal = _equal && utils.deepEqual(value, b[i])
+        if (!_equal) {
+          return false
+        }
+      })
+    } else {
+      return false
     }
@@ -956,0 +979,0 @@ return _equal

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increased by2.43%

Number of lines in readme file

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