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Yamozha
2021-04-02 02:24:13 +03:00
parent c23950b545
commit 7256d79e2c
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/* eslint-disable */
/**
* Copyright 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* From React 16.0.0
*/
import invariant from 'fbjs/lib/invariant';
var twoArgumentPooler = function twoArgumentPooler(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 standardReleaser = function standardReleaser(instance) {
var Klass = this;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
};
var DEFAULT_POOL_SIZE = 10;
var DEFAULT_POOLER = twoArgumentPooler;
/**
* 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 addPoolingTo(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,
twoArgumentPooler: twoArgumentPooler
};
export default PooledClass;