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build-esm

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build-esm

Compile an ES Module for release on npm

  • 4.2.2
  • latest
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  • npm
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build-esm

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Compile an ES Module for release on npm

Installing

Install it locally to your project by running:

yarn add --dev build-esm

Manual Deployment

Add build-esm as a build script to package.json:

{
  "name": "project",
  "scripts": {
    "build": "build-esm"
  }
}

Then, run:

yarn build

build-esm copies all files that would be published by npm publish or yarn publish (accounting for .npmignore and files in package.json) into the dist directory, compiling all JavaScript files (with the .js extension) using Babel. All of the standard ways of configuring Babel (through the babel key in package.json and .babelrc) apply.

The package can be published by running:

npm publish dist

Continuous Deployment

When publishing from a continuous integration service, build-esm can compile files in-place, allowing npm publish without arguments to work as desired.

To enable in-place compilation, add build-esm as a prepack script to package.json:

{
  "name": "project",
  "scripts": {
    "prepack": "build-esm"
  }
}

Note that prepack is only supported in npm version 5 and greater.

Here are some example deployment workflows:

  • Travis CI

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Package last updated on 29 Aug 2019

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