@nuxt/module-builder

📦 Nuxt Module Builder

Complete solution to build Nuxt Modules.

🧪 This tool is still under heavy development for Nuxt3. Feedback is more than welcome!

Features

• Unified build with unjs/unbuild
• Compatible with Nuxt 3 and Nuxt Kit
• Automated build config using last module spec
• Typescript and ESM support
• Auto generated CommonJS stubs
• Auto generated types and shims for @nuxt/schema

Quick start

You can quickly get started with pre-configured module starter:

$ npx nuxi init -t "nuxt/starter#module" my-module

Project structure

Using module builder, requires a special project setup. You can check an example here.

src/module.ts

This is the entrypoint for module definition.

A default export using defineNuxtModule and ModuleOptions type export is expected.

You could also optionally export ModuleHooks to annotate any custom hooks module uses.

import { defineNuxtModule } from '@nuxt/kit'

export interface ModuleOptions {
  apiKey: string
}

export interface ModuleHooks {
  'my-module:init': any
}

export default defineNuxtModule<ModuleOptions>({
  meta: {
    name: 'my-module',
    configKey: 'myModule'
  },
  defaults: {
    apiKey: 'test'
  },
  async setup (moduleOptions, nuxt) {
    // Write module logic in setup function
  }
})

src/runtime/

Any runtime file and code that we need to provide by module including plugins, composables and server api, should be in this directory.

Each file will be transformed individually using unjs/mkdist to dist/runtime/.

package.json:

A minimum package.json should look like this:

{
  "name": "my-module",
  "license": "MIT",
  "version": "1.0.0",
  "exports": {
    ".": {
      "import": "./dist/module.mjs",
      "require": "./dist/module.cjs"
    }
  },
  "main": "./dist/module.cjs",
  "types": "./dist/types.d.ts",
  "files": [
    "dist"
  ],
  "scripts": {
    "prepack": "nuxt-module-build"
  },
  "dependencies": {
    "@nuxt/kit": "npm:@nuxt/kit-edge@latest"
  },
  "devDependencies": {
    "@nuxt/module-builder": "latest"
  }
}

Dist files

Module builder generates dist files in dist/ directory:

• module.mjs: Module entrypoint build from src/module
• module.json: Module meta extracted from module.mjs + package.json
• module.cjs: ESM proxy to allow require module in CommonJS context
• types.d.ts: Exported types in addition to shims for nuxt.config auto completion.
• runtime/*: Individually transformed files using unjs/mkdist
  • Javascript and .ts files will be transformed to .mjs with extracted types on .d.ts file with same name
  • .vue files will be transformed with extracted .d.ts file
  • Other files will be copied as as

💻 Development

• Clone repository
• Enable Corepack using corepack enable (use npm i -g corepack for Node.js < 16.10)
• Install dependencies using yarn install
• Try building example module using yarn example:build

License

MIT - Made with 💚

Changelog

0.1.7 (2022-01-18)

Bug Fixes

• ensure nuxt packages are externalized (ebad137)