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@emotion/weak-memoize

0.2.5 • Public • Published

@emotion/weak-memoize

A memoization function that uses a WeakMap

Install

yarn add @emotion/weak-memoize

Usage

Because @emotion/weak-memoize uses a WeakMap the argument must be a non primitive type, e.g. objects, functions, arrays and etc. The function passed to weakMemoize must also only accept a single argument.

import weakMemoize from '@emotion/weak-memoize'
 
let doThing = weakMemoize(({ someProperty }) => {
  return { newName: someProperty }
})
 
let obj = { someProperty: true }
 
let firstResult = doThing(obj)
 
let secondResult = doThing(obj)
 
firstResult === secondResult // true
 
let newObj = { someProperty: true }
 
let thirdResult = doThing(newObj)
 
thirdResult === firstResult // false

Keywords

none

Install

npm i @emotion/weak-memoize

DownloadsWeekly Downloads

2,771,141

Version

0.2.5

License

MIT

Unpacked Size

8.03 kB

Total Files

16

Last publish

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