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flatry

★ 55 Open GitHub ↗

Flatry — try/catch free error handling module for JavaScript

// repository documentation

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# Flatry

[![Build Status](https://travis-ci.org/ymatuhin/flatry.svg?branch=master)](https://travis-ci.org/ymatuhin/flatry)
[![GitHub license](https://img.shields.io/github/license/ymatuhin/flatry.svg)](https://github.com/ymatuhin/flatry/blob/master/LICENSE)

Flatry (flat try) converting promise or function to flat array response with `[err, result]`.

Inspired by golang style error handling without try/catch.

&nbsp;

## Install

```bash
npm install flatry
# or
yarn add flatry
```

&nbsp;

## Use

```js
import flatry from "flatry";
// or
const flatry = require("flatry");
```

&nbsp;

## Examples

![Flatry example](https://raw.githubusercontent.com/ymatuhin/flatry/master/example.png)

&nbsp;

### Asynchronous (async/await)

```js
// Before
async asyncData({ app, error }) {
  try {
    const categories = (await app.$axios.$get('forum')).sections;
    return { categories };
  } catch (err) {
    return error({ statusCode: err.statusCode });
  }
}

// After
async asyncData({ app, error }) {
  const [err, res] = await flatry(app.$axios.$get('forum'));
  if (err) return error({ statusCode: err.statusCode });
  return { categories: res.sections };
}
```

### Synchronous

```js
// Before
let result = false;
try {
  result = mayThrowErrorSomeday();
} catch (error) {
  console.log("Error catched", error);
}
console.log("result", result);

// After
const [err, result] = flatry(mayThrowErrorSomeday);
if (err) console.log("Error catched", err);
console.log("result", result);
```

flatry

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