Install

npm install -g unpkgr or npm install -D unpkgr

Usage

In your package.json:

...
"unpkgr": {
  "outputPath": "app/dependencies",
  "prefix": "dependencies",
  "before": [ "other/scripts.js" ],
  "after": [ "yourApplication.js" ],
  "forceNew": false,
  "dependencyList": [
    "react@15.6.1/dist/react.js",
    "http://some.other/file.js"
  ]
}
...

You can also create a separate file containing this json object, unlabeled

{
  "outputPath": "app/dependencies",
  "etc": "etc"
}

Run unpkgr

D:\projects\directory > unpkgr

Add the script loader to the html

<script src="dependencies/index.js"></script>

Profit

All of the modules are available on the window object (assuming they are umds). This is intended to make early experimentation faster. You can now experiment with modules in line or add external references to your build process, keeping it separated from the dependencies for faster compilation times, and easier debugging of transpiled outputs.

Minimal external reference example for Rollup config file

export default {
  dest: "yourApplication.js",
  entry "yourSource.js",
  format: "iife",
  external: [
    "whatever",
    "whatever2"
  ],
  globals: {
    "whatever": "React",
    "whatever2": "ReactDOM"
  }
}

Full CLI/Config Doc

Commmand line option names and config file option names are all the same & command line options take priority over config file options. Config file may not use shortcuts.

unpkgr [--option||-o ...] outputPath

{
  "outputPath": "",
  "option": "" || Boolean || ["", ...]
}

Option	Shortcut	Input Type	Description
config	-c	string	Path to look for json object instead of ./package.json/unpkgr
prefix	-p	string	Directory prefix for indexing of downloaded files eg [prefix]/file_0.js
forceNew	-f	bool	Download files even if they exist already
before	-b	comma,sep,strings	Files to load before these dependencies, these paths dont have prefix applied automatically
after	-a	comma,sep,strings	Files to load after these dependencies, typically just your bundle.js, these paths dont have prefix applied automatically
dependencyList	-d	comma,sep,strings	The dependencies you would like to load

Example command with only options not using a config

unpkgr -d react@15.6.1/dist/react.js,react-dom@15.6.1/dist/react-dom.js -b beforeTestA.js,before/testB.js -a afterTest.js -p test/prefix -f true unpkTest

Node API Usage

const unpkg = require("unpkgr")([...dependencies], [...existingFiles])

unpkg
  .then(({ files, index }) => {
    // files == [ ... { name, content } ]
    // index == { content, placeholder, list }

    //you can pass off the file list
    someConcatter(...files) //and probably throwaway the index

    //or use the index and write the files yourself
    files.forEach((file) =>
      fs.writeFileSync(
        path.join(myWriteDir, file.name),
        file.content
      )
    )
    fs.writeFileSync(
      path.join(myWriteDir, "index.js"),
      index.content.replace(index.placeholder, JSON.stringify(index.list))
    )

    //or just see what you got
    files.forEach(file => console.log(`\n\n
      //////Loaded File//////
      name: ${ file.name }
      content:\n\n${ file.content.slice(0, 128) }\n\n
      ...
    `))
    console.log(`\n\n
      //////Loaded Index//////
      list: [${ index.list.join(", ") }]
      placeholder: ${ index.placeholder }
      content:\n\n${ index.content }\n\n
    `)
  })
  .catch(console.log)

Package detail

unpkgr

readme