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@babel/plugin-proposal-async-generator-functions

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@babel/plugin-proposal-async-generator-functions

Turn async generator functions into ES2015 generators

    7.20.7latest
    GitHub
    npm

Version published
Maintainers
4
Weekly downloads
11,805,917
increased by3.9%

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Package description

What is @babel/plugin-proposal-async-generator-functions?

The @babel/plugin-proposal-async-generator-functions package is a Babel plugin that allows you to use async generator functions and for-await-of loops in your JavaScript code, which are part of the ECMAScript 2018 (ES9) specification. This plugin transforms async generator functions and for-await-of loops into code that can run in environments that do not support these features natively.

What are @babel/plugin-proposal-async-generator-functions's main functionalities?

Async Generator Functions

This feature allows you to define asynchronous generator functions using the async function* syntax. These functions can yield values using the yield keyword, and they return an AsyncIterator which can be used with for-await-of loops.

async function* asyncGenerator() {
  var i = 0;
  while (i < 3) {
    yield i++;
  }
}

For-Await-Of Loops

This feature enables you to iterate over AsyncIterables using a for-await-of loop. The loop will wait for each promise returned by the AsyncIterable to resolve before continuing to the next iteration.

async function iterateAsyncGenerator() {
  for await (const value of asyncGenerator()) {
    console.log(value);
  }
}

Other packages similar to @babel/plugin-proposal-async-generator-functions

Changelog

Source

v7.20.7 (2022-12-22)

:eyeglasses: Spec Compliance
  • babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes
    • #15223 fix: Deleting super property should throw (@SuperSodaSea)
  • babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-object-super
:bug: Bug Fix
  • babel-parser, babel-plugin-transform-typescript
  • babel-traverse
  • babel-plugin-transform-typescript, babel-traverse
  • babel-plugin-transform-block-scoping
  • babel-plugin-proposal-async-generator-functions, babel-preset-env
  • babel-generator, babel-plugin-proposal-optional-chaining
  • babel-plugin-transform-react-jsx, babel-types
  • babel-core, babel-helpers, babel-plugin-transform-computed-properties, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes
  • babel-generator
:nail_care: Polish
  • babel-plugin-transform-block-scoping, babel-traverse
:house: Internal
  • babel-helper-define-map, babel-plugin-transform-property-mutators
  • babel-core, babel-plugin-proposal-class-properties, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-parameters, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-traverse
:running_woman: Performance

Readme

Source

@babel/plugin-proposal-async-generator-functions

Turn async generator functions into ES2015 generators

See our website @babel/plugin-proposal-async-generator-functions for more information.

Install

Using npm:

npm install --save-dev @babel/plugin-proposal-async-generator-functions

or using yarn:

yarn add @babel/plugin-proposal-async-generator-functions --dev

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Last updated on 22 Dec 2022

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