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https://github.com/itsdouges/function-batch

📦 Higher order function that will batch all calls to the wrapped function over a time period, and then call the wrapped function once with all args.
https://github.com/itsdouges/function-batch

batch batch-function es2015 es6 function function-batch function-to-promise javascript

Last synced: 29 days ago
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📦 Higher order function that will batch all calls to the wrapped function over a time period, and then call the wrapped function once with all args.

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# [function-batch](https://github.com/madou/function-batch)

[![NPM version](http://img.shields.io/npm/v/function-batch.svg?style=flat-square)](https://www.npmjs.com/package/function-batch)
[![NPM downloads](http://img.shields.io/npm/dm/function-batch.svg?style=flat-square)](https://www.npmjs.com/package/function-batch)
[![Build Status](http://img.shields.io/travis/madou/function-batch/master.svg?style=flat-square)](https://travis-ci.org/madou/function-batch)
[![codecov](https://codecov.io/gh/madou/function-batch/branch/master/graph/badge.svg)](https://codecov.io/gh/madou/function-batch)
[![Dependency Status](http://img.shields.io/david/madou/function-batch.svg?style=flat-square)](https://david-dm.org/madou/function-batch)

> Higher order function that will batch all calls to the wrapped function over a debounce, and then call the wrapped function once.

## How to Install

```sh
npm install function-batch
```

## Usage

```javascript
import functionBatch from 'function-batch';

const returnArr = (arr) => arr;
const returnArrBatched = functionBatch(returnArr);

const value = Promise.all([
returnArrBatched([1]);
returnArrBatched([2]);
returnArrBatched([3]);
returnArrBatched([4]);
])
.then(([a, b, c, d]) => {
// All resolve with the same value.
// a = [1, 2, 3, 4]
// b = [1, 2, 3, 4]
// c = [1, 2, 3, 4]
// d = [1, 2, 3, 4]
});
```

Currently `function-batch` only supports batching up arrays.
Support for different kinds of args will be added if requested!

## Api

### function: functionBatch(func, wait, options): Promise<*>

| param | type | required |
|---------|----------|----------|
| func | Function | yes |
| wait | number | yes |
| options | Options | no |

### object: Options

| param | type | required |
|----------|---------|----------|
| leading | boolean | no |
| trailing | boolean | no |
| maxWait | number | no |