packer-cli

Full-fledged CLI tool to generate and package library Node modules compliant with Browser and NodeJS. Packer CLI support all modern style, unit test and script transpiler tools.

This project is inspired by Angular CLI

Features

• Managed build configuration
• Encapsulated build process
• Both NPM and Yarn support
• Travis CI
• Typescript and Babel based code transpilation
• TS Lint based Typescript code analysis
• ES Lint based Javascript code analysis
• Style lint based style sheet code analysis
• Precompiled handlebars templating
• Support SCSS, SASS, LESS and Stylus and vanilla CSS
• Post CSS based image inline and auto prefixing
• Karma unit test runner
• Jasmine and Mocha unit test frameworks
• Rollup and Gulp based build process
• FESM5, FESM2015 and UMD build output
• Emmit type definitions for typescript projects
• Ready to publish as Node module
• Inline and bundle styles
• Theme packaging
• Source import path replace
• Exclude external peer dependencies in bundle
• Bundle peer dependencies
• Ignore imports
• Copy static assets to build dir
• Library summary banner generation
• Library dependency license extraction
• Node CLI project support

Usage

You can simply run the following command in a preferred directory to generate a new project using Packer CLI,

npx packer-cli generate my-library

or

npm install packer-cli -g && packer generate my-library

Then CLI will query questions associated to custom project generation,

# Description about the library
Give us a small description about the library (optional)? Client complient node module

# Name of the library author
Author's name (optional)? Yohan Gomez

# Name of the library author.
Author's email address (optional)? [e-mail]

# Web home page of the library. This must be a valid URL.
Library homepage link (optional)? http://www.my-project.com

# Use typescript transpiler if yes.
Do you want to use typescript? (Y/n) Yes

# Support CSS bundling if yes.  
Do you want style sheet support? (Y/n) Yes

# Style proprocessor to be used. Select none if not required.
What's the style pre processor you want to use?
- scss
- sass
- less
- stylus
- none

# Inline bundle style sheets within bundled script files.
Do you want to inline bundle styles within script? (Y/n) Yes

# Target build process to support browser compliant bundling if yes
Are you building a browser compliant library? Yes

# You can chose from the browser compliant flat bundel formats options list.
What's the build bundle format you want to use? umd
- umd
- amd
- iife
- system

# Custom AMD id can be provided if flat bundle format is UMD or AMD.
What's the AMD id you want to use? (optional) my-lib

# Library namespace will be used when exposing the libray via global scope.
What's the library namespace you want to use? my.lib

# You can chose either Jasmine or Mocha unit test framework.
Which unit test framework do you want to use?
- Jasmine
- Mocha

# Library copyright year will be included in license file.
What is the library copyright year (optional)? 2018

# License type which suould be used.
What's the license you want to use? MIT License
- MIT License
- Apache 2 License
- Mozilla Public License 2.0
- BSD 2-Clause (FreeBSD) License
- BSD 3-Clause (NewBSD) License
- Internet Systems Consortium (ISC) License
- GNU LGPL 3.0 License
- GNU GPL 3.0 License
- Unlicense
- No License

# Use yarn package manager instaid of NPM CLI if true.
Do you want to use yarn as package manager? (Y/n) Yes

Once project is generated and dependencies are installed, you can use the following CLI commands:

# Run project on watch mode
npm run watch

# Production build
npm run build

# Run Style and script lint tasks
npm run lint

# Run style lint task
npm run lint:style

# Run script lint task
npm run lint:script

# Run unit test suite on development envrionemnt watch mode
npm run test

# Run unit test suite on continues integration environment mode
npm run test:ci

# Bump package version and push updated package config
npm version major|monor|patch

# Build project and publish to NPM
npm run release

Generated Project Structure

.
├── /.rpt2_cache/               # TypeScript build cache directory
├── /.tmp/                      # Watch build tempary artifact directory
├── /demo/                      # Demo source content (applicable if serve mode is enabled in config)
│   ├── /build/                 # Build demo page and assets
│   └── /watch/                 # Watch demo page and assets
├── /src/                       # Library source of the project
├── /node_modules/              # Node modules directory
├── /dist/                      # Compiled distribution artifacts directory (Generated by build task).
│   ├── /bundles                # Directory containing bundled artifacts (umd, amd, iife, system).
│   ├── /fesm5                  # Directory coniaining FESM5 artifact.
│   ├── /fesm2015               # Directory coniaining FESM2015 artifact.
│   ├── /styles                 # Directory containing compiled style sheets.
│   ├── /LICENSE                # Project license agreement file.
│   ├── /package.json           # Package.json file with publish artifact specific configuration.
│   └── /README.md              # Package documentation markup file.
├── .editorconfig               # Define and maintain consistent coding styles between different editors and IDEs.
├── .eslintrc.yml               # ES Lint configuration.
├── .gitignore                  # Contains files to be ignored when pushing to git.
├── .packerrc.json              # This file contains library build configuration options.
├── .stylelintrc.json           # Style lint configuration.
├── .travis.yml                 # Travis CI configuration file.
├── karma.conf.js               # This file contains karma unit test runner configuration.
├── LICENSE                     # License agreement file
├── package.json                # NPM configuration and medata.
├── README.md                   # Project documentation markup file.
├── tsconfig.es5.json           # This file contains ES5 typescript compiler options and configuration.
├── tsconfig.es2015.json        # This file contains ES2015 typescript compiler options and configuration.
├── tsconfig.json               # This file contains base typescript compiler options and configuration.
└── tslint.json                 # TS Lint rules for the project.

Build Configuration

Build configuration can be updated after project generation via .packerrc.json.

{
  "namespace": "my.lib",
  "entry": "index.ts",
  "source": "src",
  "dist": {
    "outDir": "dist",
    "stylesDir": "styles",
    "generateFESM5": true,
    "generateFESM2015": true,
    "generateMin": true
  },
  "tsProject": true,
  "stylePreprocessor": "scss",
  "watch": {
    "scriptDir": ".tmp",
    "helperDir": "demo/helper",
    "demoDir": "demo/watch",
    "serve": true,
    "port": 4000,
    "open": true
  },
  "copy": [
    "README.md",
    "LICENSE"
  ],
  "flatGlobals": {},
  "esmExternals": [
    "handlebars/runtime"
  ],
  "pathReplacePatterns": [
    {
      "test": "./config/base-config",
      "replace": "./config/replace-config"
    }
  ],
  "ignore": [],
  "assetPaths": [
    "src/assets"
  ],
  "testFramework": "jasmine",
  "bundle": {
    "amd": {
      "define": "",
      "id": "myLib"
    },
    "format": "umd",
    "imageInlineLimit": 1000000,
    "inlineStyle": false
  }
}

Config	Type	Definition
namespace	string	application namespace to be used
entry	string	entry typescript file
source	string	source directory
dist.outDir	string	build artifact output directory
dist.stylesDir	string	build associated stylesheet output directory within out dir
generateFESM5	boolean	Generate flat ESM5 module build artifacts
generateFESM2015	boolean	Generate flat ESM2015 module build artifacts
generateMin	boolean	Generate flat bundle build minified artifact
typescript	boolean	Set true if library source is in Typescript
stylePreprocessor	string	Style preprocessor can be "scss", "sass", "stylus", "less"
cliProject	boolean	Append node environment hash bang for CLI projects if true
styleSupport	boolean	Support style preprocessing and linting
watch	object	watch mode configuration object
watch.scriptDir	string	watch build temp directory
watch.helperDir	string	watch build helper library directory
watch.demoDir	string	watch demo page dir
watch.port	number	watch server port
watch.serve	boolean	Serve project via browser on watch mode
watch.open	boolean	open browser automatically
copy	array of strings	List of files paths to copy on build.
flatGlobals	object	flat bundle build global dependencies. Listed will not be treated as externals.
esmExternals	array of string	ESM build external dependencies
pathReplacePatterns	array of objects	Import path replace pattern collection
pathReplacePatterns.test	string	Path to find
pathReplacePatterns.replace	string	Path to replace
ignore	array of strings	Import paths to ignore with noop implementation
assetPaths	array of strings	List of paths which contains static assets referenced in style sheets
testFramework	string	"Jasmine" and "Karma" framework options are available
imageInlineLimit	number	Inline image if image size is less than specified limit
bundle	object	Build bundle associated configuration
bundle.amd	object	AMD flat bundle configuration
bundle.amd.define	string	AMD flat bundle define function name
bundle.amd.id	string	AMD flat bundle module identifier name
bundle.format	string	"umd", "amd", "iife" and "system" flat bundle options are available
bundle.imageInlineLimit	number	Size limit in bytes to inline compile images
bundle.inlineStyle	boolean	Inline bundle styles withing JS code if true

Contributions

Feel free to open an issue or create a PR