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@kayakyakr/babel-plugin-mobx-async-action
Advanced tools
Readme
Converts all async actions to mobx's 4 flow
utility call.
In
import { action } from "mobx";
action(async function doSome() {
const response = await fetch("/api/list")
this.items = await response.json();
});
Out
"use strict";
import { action } from "mobx";
import { flow as _flow } from "mobx";
action((() => {
var _ref = _flow(function* () {
const response = yield fetch("/api/list");
this.items = yield response.json();
});
function doSome() {
return _ref.apply(this, arguments);
}
return doSome;
})());
Motivation to use flow() well described in official mobx documentation: https://mobx.js.org/best/actions.html#flows
However, it is much useful to write pure async/await actions, especially if original code written in typescript: generator
functions can not be covered by types, especially results of yield
calls. So, let write actions as before, but let
babel and this plugin do all the rest.
Plugin support only ES6 imports. Only this imports are supported:
import {action} from "mobx";
import {action as actionAlias} from "mobx";
import * as mobx from "mobx";
import * as mobxAlias from "mobx";
import * as mobx from "my-mobx-alias"
For example, this cases are not supported:
const mobx = require("mobx")
const {action} = require("mobx")
import * as mobx from "mobx";
const {action} = mobx;
action(function() {});
$ npm install babel-plugin-mobx-async-action
.babelrc
(Recommended).babelrc
{
"plugins": ["mobx-async-action"]
}
$ babel --plugins mobx-async-action script.js
require("babel-core").transform("code", {
plugins: ["mobx-async-action"]
});
If you use wrapper for "mobx" package, you can pass it's name to plugin:
{
"plugins": [
["mobx-async-action", {
"mobx-package": "mobx-custom"
}]
]
}
This plugin could handle decorators code, emitted from typescript, such as:
import * as tslib_1 from "tslib";
import { action } from "mobx";
export default class Class2 {
async method() {
await 123
await 321
}
}
tslib_1.__decorate([
action
], Class2.prototype, "method", null);
To get this code worked, you should enable importHelpers compiler option, and get 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.
FAQs
[![NPM](https://nodei.co/npm/babel-plugin-mobx-async-action.png)](https://www.npmjs.com/babel-plugin-mobx-async-action/)
The npm package @kayakyakr/babel-plugin-mobx-async-action receives a total of 165 weekly downloads. As such, @kayakyakr/babel-plugin-mobx-async-action popularity was classified as not popular.
We found that @kayakyakr/babel-plugin-mobx-async-action demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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