Webpack Plugin Question

blah-plugin.js

var path = require("path");

function BlahPlugin (options) { this.options = options; }

function green(str) {
  return "\u001b[1m\u001b[32m" + str + "\u001b[39m\u001b[22m";
}

BlahPlugin.prototype.apply = function (compiler) {

  var result = "out.txt";

  // This is the file that I'd like to "watch"
  var template = this.options.template;

  compiler.plugin("emit", function (compilation, callback) {

    // Adding this line causes a "rebuild" when the template file changes.
    // *But* there is no output from the `webpack` command because the hash doesn't change...
    compilation.fileDependencies.push(path.join(compiler.context, template));

    // ... so indicate that a rebuild has occurred by writing to stdout, this is a bit of a hack!
    process.stdout.write(green("BLAH") + " Rebuilding " + result + "\n");

    var body = Object.keys(compilation.assets).join("\n");
    require("fs").readFile(template, "utf8", function (err, data) {
      var content = data.replace("{{body}}", body);
      compilation.assets[result] = {
        source: function () { return content; },
        size:   function () { return content.length; }
      };
      callback();
    });
  });
};

module.exports = BlahPlugin;

main.js

exports.main = "main";

package.json

{
  "name": "webpack-question",
  "version": "0.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC"
}

test.js

exports.test = "test";

tmpl.txt

My Template

{{body}}

Footer

webpack.config.js

var BlahPlugin = require('./blah-plugin');

module.exports = {
  context: __dirname,
  entry: {
    main: "./main",
    test: "./test"
  },
  output: {
    path: __dirname + "/dist",
    filename: "[name].[hash].js"
  },
  module: {},
  plugins: [
    new BlahPlugin({
      template: "./tmpl.txt"
    })
  ]
};

Webpack_Plugin_Question.md

Webpack Plugin Question

See http://stackoverflow.com/questions/35657098/add-dependency-in-webpack-plugin