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Funpack is a bundler specifically for better writing cloud functions(aka, a project that has multi entrypoints).

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FunPack

Funpack is a bundler specifically for better writing cloud functions(aka, a project that has multi entrypoints). It allows you to share common logic between isolated functions, and have a better development experience.

Basic

Your project folder should follow this structure:

root
├── funpack.config.js
├── package.json
├── src
│   ├── functions
│   │   ├── register
│   │   │   ├── config.json 
│   │   │   └── index.ts
│   │   └── user-info
│   │       ├── config.json
│   │       └── index.ts
│   ├── types.ts
│   └── utils.ts
└── tsconfig.json

  • funpack.config.js: config file for funpack
  • src/functions: all your functions are under this folder
    • src/functions/[fnName]/index.ts: function entry file
    • src/functions/[fnName]/[non-ts-file]: any non-ts file will be copied to output without modify
  • src/[shardFile].ts: shard files should be outside of functions folder

Install

Install with npm:

npm install --save-dev @funpack/cli

Install with yarn:

yarn add @funpack/cli --dev

Templates

  • wxmini-cloud: a template for wechat miniprogram cloud functions development

References

Commands

  • funpack --watch: Build and watch functions
  • funpack: Build functions (Set process.env.NODE_ENV to 'production' if you want production build)

funpack.config.js

This file need export default a config object:

interface UserFunpackConfig {
  output?: {
    /**
     * functions will output to `projectRoot/[dir]/functions`
     * 
     * default: dist
     */
    dir?: string; 
    
    /** 
     * soucemap config, check https://webpack.js.org/configuration/devtool/#devtool for available values
     * 
     * default: NODE_ENV == 'production' ? "hidden-source-map" : "eval-source-map"
     * */
    sourceMap?: string | false;
  };
  
  bundle: {
    /**
     * config output strategy
     * if true, node modules used by function will be bundled,
     * if false, package.json will be generated under every function
     * 
     * default: true
     */
    singleFile?: boolean;
  };
}

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Funpack is a bundler specifically for better writing cloud functions(aka, a project that has multi entrypoints).

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