brunch-config.js

exports.config = {
  sourceMaps: false,
  production: true,

  modules: {
    definition: false,
    // The wrapper for browsers in a way that:
    //
    // 1. Phoenix.Socket, Phoenix.Channel and so on are available
    // 2. the exports variable does not leak
    // 3. the Socket, Channel variables and so on do not leak
    wrapper: function(path, code){
      return "(function (global, factory) {\n"
        + "typeof exports === 'object' ? factory(exports) :\n"
        + "typeof define === 'function' && define.amd ? define(['exports'], factory) :\n"
        + "factory(global.Phoenix = global.Phoenix || {});\n"
        + "}(this, (function (exports) {\n"
        + code
        + "\n})));";
    }
  },

  files: {
    javascripts: {
      joinTo: 'phoenix.js'
    },
  },

  conventions: {
    assets: /^(static)/
  },

  // Phoenix paths configuration
  paths: {
    // Which directories to watch
    watched: ["assets/js"],

    // Where to compile files to
    public: "priv/static"
  },

  // Configure your plugins
  plugins: {
    babel: {
      // Do not use ES6 compiler in vendor code
      ignore: [/^(assets\/vendor)/]
    }
  }
};