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https://github.com/mysticatea/abort-controller
An implementation of WHATWG AbortController interface.
https://github.com/mysticatea/abort-controller
abort-controller cancellation dom javascript library nodejs npm-module npm-package web whatwg
Last synced: 5 days ago
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An implementation of WHATWG AbortController interface.
- Host: GitHub
- URL: https://github.com/mysticatea/abort-controller
- Owner: mysticatea
- License: mit
- Created: 2017-09-29T04:05:44.000Z (about 7 years ago)
- Default Branch: master
- Last Pushed: 2021-03-30T17:01:33.000Z (over 3 years ago)
- Last Synced: 2024-12-13T14:04:48.963Z (12 days ago)
- Topics: abort-controller, cancellation, dom, javascript, library, nodejs, npm-module, npm-package, web, whatwg
- Language: TypeScript
- Homepage:
- Size: 112 KB
- Stars: 303
- Watchers: 8
- Forks: 36
- Open Issues: 23
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# abort-controller
[](https://www.npmjs.com/package/abort-controller)
[](http://www.npmtrends.com/abort-controller)
[](https://travis-ci.org/mysticatea/abort-controller)
[](https://codecov.io/gh/mysticatea/abort-controller)
[](https://david-dm.org/mysticatea/abort-controller)
An implementation of [WHATWG AbortController interface](https://dom.spec.whatwg.org/#interface-abortcontroller).
```js
import AbortController from "abort-controller"
const controller = new AbortController()
const signal = controller.signal
signal.addEventListener("abort", () => {
console.log("aborted!")
})
controller.abort()
```
> https://jsfiddle.net/1r2994qp/1/
## 💿 Installation
Use [npm](https://www.npmjs.com/) to install then use a bundler.
```
npm install abort-controller
```
Or download from [`dist` directory](./dist).
- [dist/abort-controller.mjs](dist/abort-controller.mjs) ... ES modules version.
- [dist/abort-controller.js](dist/abort-controller.js) ... Common JS version.
- [dist/abort-controller.umd.js](dist/abort-controller.umd.js) ... UMD (Universal Module Definition) version. This is transpiled by [Babel](https://babeljs.io/) for IE 11.
## 📖 Usage
### Basic
```js
import AbortController from "abort-controller"
// or
const AbortController = require("abort-controller")
// or UMD version defines a global variable:
const AbortController = window.AbortControllerShim
```
If your bundler recognizes `browser` field of `package.json`, the imported `AbortController` is the native one and it doesn't contain shim (even if the native implementation was nothing).
If you wanted to polyfill `AbortController` for IE, use `abort-controller/polyfill`.
### Polyfilling
Importing `abort-controller/polyfill` assigns the `AbortController` shim to the `AbortController` global variable if the native implementation was nothing.
```js
import "abort-controller/polyfill"
// or
require("abort-controller/polyfill")
```
### API
#### AbortController
> https://dom.spec.whatwg.org/#interface-abortcontroller
##### controller.signal
The [AbortSignal](https://dom.spec.whatwg.org/#interface-AbortSignal) object which is associated to this controller.
##### controller.abort()
Notify `abort` event to listeners that the `signal` has.
## 📰 Changelog
- See [GitHub releases](https://github.com/mysticatea/abort-controller/releases).
## 🍻 Contributing
Contributing is welcome ❤️
Please use GitHub issues/PRs.
### Development tools
- `npm install` installs dependencies for development.
- `npm test` runs tests and measures code coverage.
- `npm run clean` removes temporary files of tests.
- `npm run coverage` opens code coverage of the previous test with your default browser.
- `npm run lint` runs ESLint.
- `npm run build` generates `dist` codes.
- `npm run watch` runs tests on each file change.