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Author message:

Use @babel/preset-env or no preset at all

babel-preset-latest-node

5.5.1 • Public • Published

babel-preset-latest-node

babel preset latest for node 14 (Current), node 12 (Active LTS) node 10 (Maintenance LTS)

babel 7

Since v2, this package requires @babel/core@^7.0.0. If you use babel 6, you can still use the version "1.0.0" of this package. If you want to migrate, you can read the announcement and the official migration guide.

Alternatives

Options

  • target: 10, 10.13, 12, 12.10, 14 or 'current' (process.versions.node)
  • loose: Enable “loose” transformations for any plugins in this preset that allow them (Disabled by default).
  • modules - Enable transformation of ES6 module syntax to another module type (Enabled by default to "commonjs"). Can be false to not transform modules, or "commonjs"
  • es2019 - Enable es2019 features (Enabled by default)
  • es2020 - Enable es2020 features (Enabled by default)
  • shippedProposals - Enable features in stages but already available in recent node version (Enabled by default)

Compatibility Table

Feature Node 10 Node 10.13 Node 12 Node 14 Node 14.8

ES2015

transform-modules-commonjs flag flag flag with .mjs with .mjs

ES2019

syntax-optional-catch-binding flag yes yes yes yes
json-strings yes yes yes yes yes

ES2020

nullish-coalescing-operator no no no yes yes
optional-chaining no no no yes yes

Shipped Proposals

numeric-separator no no no yes yes
top-level-await no no no no yes

Note that top level await is syntax only and is only available for supported versions.

Install

npm install --save-dev @babel/core babel-preset-latest-node
yarn add --dev @babel/core babel-preset-latest-node

Usage

Via .babelrc

.babelrc

{
  "presets": ["latest-node"]
}
{
  "presets": [["latest-node", { "target": "current" }]]
}

Via CLI

babel script.js --presets latest-node

Via Node API

require('babel-core').transform('code', {
  presets: [require('babel-preset-latest-node')],
});
require('babel-core').transform('code', {
  presets: [[require('babel-preset-latest-node'), { target: 'current' }]],
});

Readme

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Install

npm i babel-preset-latest-node

Weekly Downloads

1,993

Version

5.5.1

License

ISC

Unpacked Size

34.1 kB

Total Files

21

Last publish

Collaborators

  • churpeau