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https://github.com/mobxjs/babel-plugin-mobx-deep-action

Reduces `action` and `runInAction` boilerplates
https://github.com/mobxjs/babel-plugin-mobx-deep-action

async babel-plugin decorators mobx

Last synced: about 2 months ago
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Reduces `action` and `runInAction` boilerplates

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# babel-plugin-mobx-deep-action

[![Build Status](https://travis-ci.org/mobxjs/babel-plugin-mobx-deep-action.svg?branch=master)](https://travis-ci.org/mobxjs/babel-plugin-mobx-deep-action)
[![npm version](https://badge.fury.io/js/babel-plugin-mobx-deep-action.svg)](https://badge.fury.io/js/babel-plugin-mobx-deep-action)

Allow to reduce boilerplate of writing async actions.
Based on assumption, that all code created inside an action,
should be handled as action too.

This plugin scans for all functions, marked as actions, and then marks all
nested functions, which created inside actions as actions too.

* [Usage with async and generator functions](#toc-usage-async)
* [Typescript decorators](#toc-typescript-decorators)
* [Use other package](#toc-mobx-package)

## Example

**In**

```js
import { action } from "mobx";

action(function doSome() {
fetch("/api/list").then(function(response) {
this.items = response.dta;
});
});
```

**Out**

```js
"use strict";

import { action } from "mobx";

action(function doSome() {
fetch("/api/list").then(action(function(response) {
this.items = response.dta;
}));
});
```

## Caveats

Plugin support only ES6 imports. Only these imports are supported:
```
import {action} from "mobx";
```
```
import {action as actionAlias} from "mobx";
```
```
import * as mobx from "mobx";
```
```
import * as mobxAlias from "mobx";
```
For example, these cases are **not supported**:
```
const mobx = require("mobx")
```
```
const {action} = require("mobx")
```
```
import * as mobx from "my-mobx-alias"
```
```
import * as mobx from "mobx";
const {action} = mobx;
action(function() {});
```

## Installation

```sh
$ npm install babel-plugin-mobx-deep-action
```

## Usage

### Via `.babelrc` (Recommended)

**.babelrc**

```json
{
"plugins": ["mobx-deep-action"]
}
```

### Via CLI

```sh
$ babel --plugins mobx-deep-action script.js
```

### Via Node API

```javascript
require("babel-core").transform("code", {
plugins: ["mobx-deep-action"]
});
```

## Usage for async and generator functions.

see https://github.com/Strate/babel-plugin-mobx-async-action

## Typescript decorators.

This plugin could handle decorators code, emitted from typescript, such as:

```js
import * as tslib_1 from "tslib";
import { action } from "mobx";
export default class Class2 {
async method() {
const a = (other) => { };
return a(function () { });
}
}
tslib_1.__decorate([
action
], Class2.prototype, "method", null);
```

To get this code worked, you should enable [importHelpers](https://www.typescriptlang.org/docs/handbook/compiler-options.html)
compiler option, and get [tslib](https://www.npmjs.com/package/tslib) package installed. Also, typescript
should emit es6 modules, so, you should target your compiler to es2015+. That's all,
plugin detect import from "tslib" and handle typescript decorators.

## Use other package.

If you use wrapper for "mobx" package, you can pass it's name to plugin:

#### .babelrc

```json5
{
"plugins": [
["mobx-deep-action", {
"mobx-package": "mobx-custom"
}]
]
}
```