feat: automatically externalize titanium modules

src/WebpackJob.js

@@ -77,7 +77,7 @@ export default class WebpackJob extends EventEmitter {
 	}
 
 	setOptions(newOptions) {
-		this.options = Object.assign({}, { env: {} }, newOptions);
+		this.options = Object.assign({}, { modules: [] }, newOptions);
 
 		const { platform, projectPath, type } = this.options;
 		this.name = projectPath.split('/').pop();
@@ -95,9 +95,12 @@ export default class WebpackJob extends EventEmitter {
 
 		const args = [
 			path.resolve(__dirname, './tasks/build.js'),
-			'--project', this.options.projectPath,
-			'--platform', this.options.platform
+			'--project', this.projectPath,
+			'--platform', this.platform,
 		];
+		for (const module of this.options.modules) {
+			args.push('-m', module.id);
+		}
 		if (this.options.watch) {
 			args.push('--watch');
 		}

src/config/base.js

@@ -4,7 +4,12 @@ const FriendlyErrorsPlugin = require('@soda/friendly-errors-webpack-plugin');
 const path = require('path');
 const { CleanWebpackPlugin } = require('clean-webpack-plugin');
 const webpack = require('webpack');
-const { GenerateAppJsPlugin, PlatformAwareFileSystemPlugin, titaniumTarget } = require('webpack-target-titanium');
+const {
+	GenerateAppJsPlugin,
+	PlatformAwareFileSystemPlugin,
+	titaniumTarget,
+	TitaniumExternalsPlugins
+} = require('webpack-target-titanium');
 
 const { generateTranspileDepRegex } = require('../utils');
 const { ApiTrackerPlugin, StateNotifierPlugin } = require('../webpack');
@@ -33,17 +38,7 @@ module.exports = function (api, options) {
 				.filename('[name].js')
 				.libraryTarget('commonjs2')
 				.globalObject('global')
-				.end()
-			.externals(
-				(context, request, callback) => {
-					// TODO: automatically externalize used native modules
-					if (request === './app' || request === 'com.appcelerator.aca') {
-						return callback(null, `commonjs ${request}`);
-					}
-
-					callback();
-				}
-			);
+				.end();
 
 		// babel-loader ------------------------------------------------------------
 
@@ -159,6 +154,10 @@ module.exports = function (api, options) {
 					'process.env.TARGET_PLATFORM': JSON.stringify(platformName)
 				}
 			]);
+		config.plugin('titanium-externals')
+			.use(TitaniumExternalsPlugins, [
+				options.modules
+			]);
 		config.plugin('app.js')
 			.use(GenerateAppJsPlugin, [
 				[ 'main' ]

src/webpack/plugins/TitaniumExternalsPlugin.js

@@ -0,0 +1,20 @@
+'use strict';
+
+const ExternalsPlugin = require('webpack/lib/ExternalsPlugin');
+
+class TitaniumExternalsPlugin {
+	constructor(modules) {
+		this.modules = modules;
+	}
+
+	apply(compiler) {
+		const externals = [
+			'./app.js',
+			'com.appcelerator.aca',
+			...this.modules
+		];
+		new ExternalsPlugin('commonjs', externals).apply(compiler);
+	}
+}
+
+module.exports = TitaniumExternalsPlugin;