node-filter-async/README.md

Filter array elements with Promises

# node-filter-async

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Filter array elements with Promises, zero dependencies, written in TypeScript.

### Installation

```bash
npm i node-filter-async
```

## Usage

### API

```javascript
filterAsync<T>(
  // The array to be filtered.
  array: T[],
  // The async filter callback.
  callback: (value: T, index: number) => Promise<boolean>,
): Promise<T[]>;
```

Example:

```js
import filterAsync from 'node-filter-async';

(async () => {
  const results = await filterAsync(someArray, async (value, index) => {
    console.log(`filtering [${index}]: ${value}`);
    return (await asyncFunc(value)) === 'blablabla';
  });
})();
```