justo-plugin-babel

Plugin for running Babel.

Proudly made with ♥ in Valencia, Spain, EU.

Install

npm install justo-plugin-babel

Use

const babel = require("justo-plugin-babel");

To run babel, the task must be called as follows:

babel(opts, config) : number

The task returns the number of transpiled files.

config properties:

• comments (boolean). Add comments to the output: true, yep; false, nope. Default: true.
• files (object[]). The files to compile:
  • src (string or string[]). The files to compile.
  • dst (string). The output.
• presets (string[]) or preset (string). Presets to load and use.
• plugins (string[]) or plugin (string). Plugins to load and use.
• retainLines (boolean). Retain line numbers: true, yep, false, nope. Default: false.
• compact (boolean). Compact the output, not including superfluous whitespaces and line terminators? Default: false.
• babelrc (boolean). Use .babelrc and .babelignore files? Default: true.
• ignore (string, RegExp, object[]). Ignore the given files?

Examples:

//index.js -> build/es5/index.js
//lib/* -> build/es5/lib/*
babel("Build", {
  presets: ["es2015"],
  comments: false,
  retainLines: true,
  files: [
    {src: "index.js", dst: "build/es5/index.js"},
    {src: "lib/", dst: "build/es5/"}
  ]
});

//index.js -> build/es5/index.js
//lib/* -> build/es5/lib/*
babel("Build", {
  preset: "es2015",
  comments: false,
  retainLines: true,
  files: {
    src: ["index.js", "lib/"],
    dst: "build/es5/"
  }
});

//index.js -> build/es5/index.js
//lib/* -> build/es5/lib/*
babel("Build", {
  preset: "es2015",
  comments: false,
  retainLines: true,
  src: ["index.js", "lib/"],
  dst: "build/es5/"
});