From e8203fb67784db8701fbb9a5102d81729bb2f966 Mon Sep 17 00:00:00 2001
From: Shota Matsushita <romiogaku@me.com>
Date: Sun, 27 Nov 2016 01:51:12 +0900
Subject: [PATCH] packaging

---
 .gitignore                   |   5 ++
 App/index.html               |   2 +-
 package.js                   | 170 +++++++++++++++++++++++++++++++++++
 package.json                 |  18 +++-
 webpack.config.electron.js   |  63 +++++++++++++
 webpack.config.production.js |  70 +++++++++++++++
 6 files changed, 325 insertions(+), 3 deletions(-)
 create mode 100644 package.js
 create mode 100644 webpack.config.electron.js
 create mode 100644 webpack.config.production.js
diff --git a/.gitignore b/.gitignore
index 582fb92..6aa8593 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
 dist
 coverage
 .nyc_output
+main.js
+main.js.map
+.DS_Store
+node_modules
+release
diff --git a/App/index.html b/App/index.html
index 487bfb4..ca52575 100644
--- a/App/index.html
+++ b/App/index.html
@@ -2,7 +2,7 @@
 <html>
   <head>
     <meta charset="UTF-8">
-    <title>difftron</title>
+    <title>Difftron</title>
     <script>
       if (!process.env.HOT) {
         const link = document.createElement('link');
diff --git a/package.js b/package.js
new file mode 100644
index 0000000..4ea88fc
--- /dev/null
+++ b/package.js
@@ -0,0 +1,170 @@
+/* eslint-disable strict, no-shadow, consistent-return,
+no-use-before-define, no-unused-vars, no-console */
+
+'use strict';
+
+/** Build file to package the app for release */
+
+require('babel-polyfill');
+const os = require('os');
+const webpack = require('webpack');
+const electronCfg = require('./webpack.config.electron').default;
+const cfg = require('./webpack.config.production').default;
+const packager = require('electron-packager');
+const del = require('del');
+const exec = require('child_process').exec;
+const pkg = require('./package.json');
+
+/**
+ * First two values are node path and current script path
+ * https://nodejs.org/docs/latest/api/process.html#process_process_argv
+ */
+const argv = require('minimist')(process.argv.slice(2));
+
+/**
+ * Do not package node modules from 'devDependencies'
+ * and 'dependencies' that are set as external
+ */
+const toNodePath = name => `/node_modules/${name}($|/)`;
+const devDeps = Object
+  .keys(pkg.devDependencies)
+  .map(toNodePath);
+
+const depsExternal = Object
+  .keys(pkg.dependencies)
+  .filter(name => !electronCfg.externals.includes(name))
+  .map(toNodePath);
+
+
+const appName = argv.name || argv.n || pkg.productName;
+const shouldUseAsar = argv.asar || argv.a || false;
+const shouldBuildAll = argv.all || false;
+
+
+const DEFAULT_OPTS = {
+  dir: './',
+  name: appName,
+  asar: shouldUseAsar,
+  ignore: [
+    '^/test($|/)',
+    '^/release($|/)',
+    '^/main.development.js',
+  ]
+  .concat(devDeps)
+  .concat(depsExternal),
+};
+
+const icon = argv.icon || argv.i || 'App/app';
+if (icon) DEFAULT_OPTS.icon = icon;
+
+const version = argv.version || argv.v;
+if (version) {
+  DEFAULT_OPTS.version = version;
+  startPack();
+} else {
+  // use the same version as the currently-installed electron-prebuilt
+  exec('npm list electron --dev', (err, stdout) => {
+    if (err) {
+      DEFAULT_OPTS.version = '1.2.0';
+    } else {
+      DEFAULT_OPTS.version = stdout.split('electron@')[1].replace(/\s/g, '');
+    }
+
+    startPack();
+  });
+}
+
+
+/**
+ * @desc Execute the webpack build process on given config object
+ * @param {Object} cfg
+ * @return {Promise}
+ */
+function build(cfg) {
+  return new Promise((resolve, reject) => {
+    webpack(cfg, (err, stats) => {
+      if (err) return reject(err);
+      resolve(stats);
+    });
+  });
+}
+
+
+/** @desc Build, clear previous releases and pack new versions */
+async function startPack() {
+  console.log('start pack...');
+
+  try {
+    /**
+     * - Build the 'Main process' and 'Renderer Process' files.
+     * - Clear the ./release directory
+     */
+    await build(electronCfg);
+    await build(cfg);
+    const paths = await del('release');
+
+    // Start the packing process
+    if (shouldBuildAll) {
+      // build for all platforms
+      const archs = ['ia32', 'x64'];
+      const platforms = ['linux', 'win32', 'darwin'];
+
+      platforms.forEach((plat) => {
+        archs.forEach((arch) => {
+          pack(plat, arch, log(plat, arch));
+        });
+      });
+    } else {
+      // build for current platform only
+      pack(os.platform(), os.arch(), log(os.platform(), os.arch()));
+    }
+  } catch (error) {
+    console.error(error);
+  }
+}
+
+
+/**
+ * @desc
+ * @param {String} plat
+ * @param {String} arch
+ * @param {Function} cb
+ */
+function pack(plat, arch, cb) {
+  // there is no darwin ia32 electron
+  if (plat === 'darwin' && arch === 'ia32') return;
+
+  const iconObj = {
+    icon: DEFAULT_OPTS.icon + (() => {
+      let extension = '.png';
+      if (plat === 'darwin') extension = '.icns';
+      if (plat === 'win32') extension = '.ico';
+
+      return extension;
+    })(),
+  };
+
+  const opts = Object.assign({}, DEFAULT_OPTS, iconObj, {
+    platform: plat,
+    arch,
+    prune: true,
+    'app-version': pkg.version || DEFAULT_OPTS.version,
+    out: `release/${plat}-${arch}`,
+  });
+
+  packager(opts, cb);
+}
+
+
+/**
+ * @desc Log out success / error of building for given platform and architecture
+ * @param {String} plat
+ * @param {String} arch
+ * @return {Function}
+ */
+function log(plat, arch) {
+  return (err, filepath) => {
+    if (err) return console.error(err);
+    console.log(`${plat}-${arch} finished!`);
+  };
+}
diff --git a/package.json b/package.json
index 348f970..4197355 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
   "name": "difftron",
+  "productName": "Difftron",
   "version": "1.0.0",
   "description": "diff tool based on Electron",
   "main": "main.js",
@@ -9,7 +10,13 @@
     "start-hot": "cross-env HOT=1 NODE_ENV=development electron -r babel-register -r babel-polyfill ./main.development",
     "test": "ava",
     "test:watch": "ava --watch",
-    "coverage": "nyc ava && nyc report --reporter=html && open coverage/index.html || xdg-open coverage/index.html"
+    "coverage": "nyc ava && nyc report --reporter=html && open coverage/index.html || xdg-open coverage/index.html",
+    "build-main": "cross-env NODE_ENV=production node -r babel-register ./node_modules/webpack/bin/webpack --config webpack.config.electron.js --progress --profile --colors",
+    "build-renderer": "cross-env NODE_ENV=production node -r babel-register ./node_modules/webpack/bin/webpack --config webpack.config.production.js --progress --profile --colors",
+    "build": "npm run build-main && npm run build-renderer",
+    "start": "cross-env NODE_ENV=production electron ./",
+    "package": "cross-env NODE_ENV=production node -r babel-register -r babel-polyfill package.js",
+    "package-all": "npm run package -- --all"
   },
   "repository": {
     "type": "git",
@@ -26,6 +33,7 @@
   },
   "homepage": "https://github.com/romiogaku/difftron#readme",
   "devDependencies": {
+    "asar": "^0.12.3",
     "ava": "^0.17.0",
     "babel-core": "^6.17.0",
     "babel-eslint": "^7.0.0",
@@ -42,9 +50,12 @@
     "concurrently": "^3.1.0",
     "cross-env": "^3.1.3",
     "css-loader": "^0.25.0",
+    "del": "^2.2.2",
     "devtron": "^1.4.0",
     "electron": "^1.4.4",
     "electron-devtools-installer": "^2.0.1",
+    "electron-packager": "^8.3.0",
+    "electron-rebuild": "^1.4.0",
     "eslint": "^3.8.1",
     "eslint-config-airbnb": "^12.0.0",
     "eslint-formatter-pretty": "^1.1.0",
@@ -58,6 +69,8 @@
     "eslint-plugin-react": "^6.4.1",
     "express": "^4.14.0",
     "extract-text-webpack-plugin": "^1.0.1",
+    "json-loader": "^0.5.4",
+    "minimist": "^1.2.0",
     "nyc": "^10.0.0",
     "proxyquire": "^1.7.10",
     "reactotron-react-js": "^1.5.2",
@@ -84,7 +97,8 @@
     "redux-persist": "^3.5.0",
     "redux-saga": "^0.12.1",
     "reduxsauce": "^0.2.0",
-    "seamless-immutable": "^6.3.0"
+    "seamless-immutable": "^6.3.0",
+    "source-map-support": "^0.4.6"
   },
   "ava": {
     "files": [
diff --git a/webpack.config.electron.js b/webpack.config.electron.js
new file mode 100644
index 0000000..2799f9c
--- /dev/null
+++ b/webpack.config.electron.js
@@ -0,0 +1,63 @@
+/**
+ * Build config for electron 'Main Process' file
+ */
+
+import webpack from 'webpack';
+import validate from 'webpack-validator';
+import merge from 'webpack-merge';
+import baseConfig from './webpack.config.base';
+
+export default validate(merge(baseConfig, {
+  devtool: 'source-map',
+
+  entry: ['babel-polyfill', './main.development'],
+
+  // 'main.js' in root
+  output: {
+    path: __dirname,
+    filename: './main.js',
+  },
+
+  plugins: [
+    // Minify the output
+    new webpack.optimize.UglifyJsPlugin({
+      compressor: {
+        warnings: false,
+      },
+    }),
+
+    // Add source map support for stack traces in node
+    // https://github.com/evanw/node-source-map-support
+    new webpack.BannerPlugin(
+      'require("source-map-support").install();',
+      { raw: true, entryOnly: false }
+    ),
+
+    // NODE_ENV should be production so that modules do not perform certain development checks
+    new webpack.DefinePlugin({
+      'process.env': {
+        NODE_ENV: JSON.stringify('production'),
+      },
+    }),
+  ],
+
+  /**
+   * Set targed to Electron speciffic node.js env.
+   * https://github.com/chentsulin/webpack-target-electron-renderer#how-this-module-works
+   */
+  target: 'electron-main',
+
+  /**
+   * Disables webpack processing of __dirname and __filename.
+   * If you run the bundle in node.js it falls back to these values of node.js.
+   * https://github.com/webpack/webpack/issues/2010
+   */
+  node: {
+    __dirname: false,
+    __filename: false,
+  },
+
+  externals: [
+    'source-map-support',
+  ],
+}));
diff --git a/webpack.config.production.js b/webpack.config.production.js
new file mode 100644
index 0000000..544cd22
--- /dev/null
+++ b/webpack.config.production.js
@@ -0,0 +1,70 @@
+/**
+ * Build config for electron 'Renderer Process' file
+ */
+
+import webpack from 'webpack';
+import validate from 'webpack-validator';
+import ExtractTextPlugin from 'extract-text-webpack-plugin';
+import merge from 'webpack-merge';
+import baseConfig from './webpack.config.base';
+
+const config = validate(merge(baseConfig, {
+  devtool: 'cheap-module-source-map',
+
+  entry: [
+    'babel-polyfill',
+    './app/index',
+  ],
+
+  output: {
+    publicPath: '../dist/',
+  },
+
+  module: {
+    loaders: [
+      {
+        test: /\.global\.css$/,
+        loader: ExtractTextPlugin.extract(
+          'style-loader',
+          'css-loader',
+        ),
+      },
+
+      // Pipe other styles through css modules and apend to style.css
+      {
+        test: /^((?!\.global).)*\.css$/,
+        loader: ExtractTextPlugin.extract(
+          'style-loader',
+          'css-loader?modules&importLoaders=1&localIdentName=[name]__[local]___[hash:base64:5]'
+        ),
+      },
+    ],
+  },
+
+  plugins: [
+    // https://webpack.github.io/docs/list-of-plugins.html#occurrenceorderplugin
+    // https://github.com/webpack/webpack/issues/864
+    new webpack.optimize.OccurrenceOrderPlugin(),
+
+    // NODE_ENV should be production so that modules do not perform certain development checks
+    new webpack.DefinePlugin({
+      'process.env.NODE_ENV': JSON.stringify('production'),
+    }),
+
+    // Minify without warning messages and IE8 support
+    new webpack.optimize.UglifyJsPlugin({
+      compressor: {
+        screw_ie8: true,
+        warnings: false,
+      },
+    }),
+
+    // Set the ExtractTextPlugin output filename
+    new ExtractTextPlugin('style.css', { allChunks: true }),
+  ],
+
+  // https://github.com/chentsulin/webpack-target-electron-renderer#how-this-module-works
+  target: 'electron-renderer',
+}));
+
+export default config;
