Expose compiler object responsible for compiling the preact application

package.json

@@ -2,7 +2,7 @@
   "name": "preact-cli",
   "version": "1.1.0",
   "description": "Start building a Preact Progressive Web App in seconds.",
-  "main": "lib/index.js",
+  "main": "lib/compiler.js",
   "bin": {
     "preact": "./lib/index.js"
   },

src/commands/build.js

@@ -1,9 +1,5 @@
-import { resolve } from 'path';
-import promisify from 'es6-promisify';
-import rimraf from 'rimraf';
 import asyncCommand from '../lib/async-command';
-import webpackConfig from '../lib/webpack-config';
-import runWebpack, { showStats, writeJsonStats } from '../lib/run-webpack';
+import createCompiler from '../compiler';
 
 export default asyncCommand({
 	command: 'build [src] [dest]',
@@ -39,18 +35,16 @@ export default asyncCommand({
 	},
 
 	async handler(argv) {
-		let config = webpackConfig(argv);
+		let compiler = createCompiler(argv);
 
 		if (argv.clean) {
-			let dest = resolve(argv.cwd || process.cwd(), argv.dest || 'build');
-			await promisify(rimraf)(dest);
+			await compiler.clean();
 		}
 
-		let stats = await runWebpack(false, config);
-		showStats(stats);
+		let stats = await compiler.compile();
 
 		if (argv.json) {
-			await writeJsonStats(stats);
+			await compiler.writeJsonStats(stats);
 		}
 	}
 });

src/commands/watch.js

@@ -1,6 +1,5 @@
 import asyncCommand from '../lib/async-command';
-import webpackConfig from '../lib/webpack-config';
-import runWebpack, { showStats } from '../lib/run-webpack';
+import createCompiler from '../compile';
 
 export default asyncCommand({
 	command: 'watch [src]',
@@ -35,9 +34,7 @@ export default asyncCommand({
 
 	async handler(argv) {
 		argv.production = false;
-		let config = webpackConfig(argv);
 
-		let stats = await runWebpack(true, config, showStats);
-		showStats(stats);
+		await createCompiler(argv).compile(true);
 	}
 });

src/compiler.js

@@ -0,0 +1,32 @@
+import { resolve } from 'path';
+import promisify from 'es6-promisify';
+import rimraf from 'rimraf';
+import prerender from './lib/prerender';
+import webpackConfig from './lib/webpack-config';
+import runWebpack, { showStats, writeJsonStats } from './lib/run-webpack';
+
+export default env => {
+	let config = webpackConfig(env)
+
+	return {
+		async clean() {
+			let dest = resolve(env.cwd || process.cwd(), env.dest || 'build');
+			await promisify(rimraf)(dest);
+		}
+
+		async compile(watch = false) {
+			let stats = await runWebpack(watch, config, showStats);
+			showStats(stats);
+
+			return stats;
+	 	}
+
+	 	prerender(params) {
+			return prerender(env, params);
+		}
+
+		writeJsonStats(stats) {
+			return writeJsonStats(stats);
+		}
+	}
+}