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Diffstat (limited to 'node_modules/react/lib/PooledClass.js')
-rw-r--r-- | node_modules/react/lib/PooledClass.js | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/node_modules/react/lib/PooledClass.js b/node_modules/react/lib/PooledClass.js deleted file mode 100644 index 1d10eaf15..000000000 --- a/node_modules/react/lib/PooledClass.js +++ /dev/null @@ -1,111 +0,0 @@ -/** - * Copyright 2013-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - * - */ - -'use strict'; - -var _prodInvariant = require('./reactProdInvariant'); - -var invariant = require('fbjs/lib/invariant'); - -/** - * Static poolers. Several custom versions for each potential number of - * arguments. A completely generic pooler is easy to implement, but would - * require accessing the `arguments` object. In each of these, `this` refers to - * the Class itself, not an instance. If any others are needed, simply add them - * here, or in their own files. - */ -var oneArgumentPooler = function (copyFieldsFrom) { - var Klass = this; - if (Klass.instancePool.length) { - var instance = Klass.instancePool.pop(); - Klass.call(instance, copyFieldsFrom); - return instance; - } else { - return new Klass(copyFieldsFrom); - } -}; - -var twoArgumentPooler = function (a1, a2) { - var Klass = this; - if (Klass.instancePool.length) { - var instance = Klass.instancePool.pop(); - Klass.call(instance, a1, a2); - return instance; - } else { - return new Klass(a1, a2); - } -}; - -var threeArgumentPooler = function (a1, a2, a3) { - var Klass = this; - if (Klass.instancePool.length) { - var instance = Klass.instancePool.pop(); - Klass.call(instance, a1, a2, a3); - return instance; - } else { - return new Klass(a1, a2, a3); - } -}; - -var fourArgumentPooler = function (a1, a2, a3, a4) { - var Klass = this; - if (Klass.instancePool.length) { - var instance = Klass.instancePool.pop(); - Klass.call(instance, a1, a2, a3, a4); - return instance; - } else { - return new Klass(a1, a2, a3, a4); - } -}; - -var standardReleaser = function (instance) { - var Klass = this; - !(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a pool of a different type.') : _prodInvariant('25') : void 0; - instance.destructor(); - if (Klass.instancePool.length < Klass.poolSize) { - Klass.instancePool.push(instance); - } -}; - -var DEFAULT_POOL_SIZE = 10; -var DEFAULT_POOLER = oneArgumentPooler; - -/** - * Augments `CopyConstructor` to be a poolable class, augmenting only the class - * itself (statically) not adding any prototypical fields. Any CopyConstructor - * you give this may have a `poolSize` property, and will look for a - * prototypical `destructor` on instances. - * - * @param {Function} CopyConstructor Constructor that can be used to reset. - * @param {Function} pooler Customizable pooler. - */ -var addPoolingTo = function (CopyConstructor, pooler) { - // Casting as any so that flow ignores the actual implementation and trusts - // it to match the type we declared - var NewKlass = CopyConstructor; - NewKlass.instancePool = []; - NewKlass.getPooled = pooler || DEFAULT_POOLER; - if (!NewKlass.poolSize) { - NewKlass.poolSize = DEFAULT_POOL_SIZE; - } - NewKlass.release = standardReleaser; - return NewKlass; -}; - -var PooledClass = { - addPoolingTo: addPoolingTo, - oneArgumentPooler: oneArgumentPooler, - twoArgumentPooler: twoArgumentPooler, - threeArgumentPooler: threeArgumentPooler, - fourArgumentPooler: fourArgumentPooler -}; - -module.exports = PooledClass;
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