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https://github.com/pradel/esbuild-node-externals
Easily exclude node modules in Esbuild
https://github.com/pradel/esbuild-node-externals
Last synced: 12 days ago
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Easily exclude node modules in Esbuild
- Host: GitHub
- URL: https://github.com/pradel/esbuild-node-externals
- Owner: pradel
- License: mit
- Created: 2020-11-18T13:24:11.000Z (almost 4 years ago)
- Default Branch: main
- Last Pushed: 2024-09-26T11:36:21.000Z (about 2 months ago)
- Last Synced: 2024-10-17T09:29:20.360Z (25 days ago)
- Language: TypeScript
- Size: 1.87 MB
- Stars: 72
- Watchers: 3
- Forks: 17
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# esbuild-node-externals
[](https://www.npmjs.com/package/esbuild-node-externals)
[](https://www.npmjs.com/package/esbuild-node-externals)
[Esbuild](https://github.com/evanw/esbuild) plugin to easily exclude node modules during builds.
When bundling with Esbuild for the backend by default it will try to bundle all the dependencies. However it's a good idea to not bundle all the `node_modules` dependencies. This plugin will scan the dependencies included in your project and will exclude them from the final bundle.
## Installation
This plugin requires minimum **Node.js 12**, and **Esbuild 0.12+**.
```sh
# with npm
npm install --save-dev esbuild-node-externals
# with yarn
yarn add --dev esbuild-node-externals
```
## Usage
When you call the esbuild build API, add the esbuild-node-externals plugin.
```js
// Your bundler file
const esbuild = require('esbuild');
const { nodeExternalsPlugin } = require('esbuild-node-externals');
esbuild.build({
entryPoints: ['src/index.js'],
bundle: true,
platform: 'node',
outfile: 'dist/index.js',
plugins: [nodeExternalsPlugin()],
});
```
## Options
When calling this package, you can pass an `options` object.
```js
// Your bundler file
const esbuild = require('esbuild');
const { nodeExternalsPlugin } = require('esbuild-node-externals');
esbuild.build({
// ...
plugins: [
nodeExternalsPlugin({
packagePath: 'path/to/package.json',
}),
],
});
```
#### `options.packagePath`
Path to your `package.json`. Can be a string or an array of strings. If you are using a monorepo you can provide a list of all the `package.json` to check.
If this option is not specified the default behavior is to start with the current directory's package.json then go up scan for all package.json files in parent directories recursively until either the root git directory is reached or until no other package.json can be found.
#### `options.dependencies` (default to `true`)
Make package.json `dependencies` external.
#### `options.devDependencies` (default to `true`)
Make package.json `devDependencies` external.
#### `options.peerDependencies` (default to `true`)
Make package.json `peerDependencies` external.
#### `options.optionalDependencies` (default to `true`)
Make package.json `optionalDependencies` external.
#### `options.allowList` (default to `[]`)
An array for the externals to allow, so they will be included in the bundle. Can accept exact strings ('module_name'), regex patterns (/^module_name/), or a function that accepts the module name and returns whether it should be included.
#### `options.allowWorkspaces` (default to `false`)
Automatically exclude all packages defined as workspaces (`workspace:*`) in a monorepo.
#### `options.cwd` (default to `buildOptions.absWorkingDir || process.cwd()`)
Sets the current working directory for the plugin.
## Inspiration
This package and the implementation are inspired by the work of @liady on [webpack-node-externals](https://github.com/liady/webpack-node-externals) for webpack and @Septh on [rollup-plugin-node-externals](https://github.com/Septh/rollup-plugin-node-externals) for rollup.
## License
MIT © [Léo Pradel](https://www.leopradel.com/)