shrink repetitive rollup.config file

rollup.config.js

@@ -11,91 +11,27 @@ const paths = {
 	'sapper/core.js': './core.js'
 };
 
+const plugins = [
+	typescript({
+		typescript: require('typescript')
+	})
+];
+
 export default [
-	// cli.js
-	{
-		input: 'src/cli/index.ts',
-		output: {
-			file: 'cli.js',
-			format: 'cjs',
-			banner: '#!/usr/bin/env node',
-			paths,
-			sourcemap: true
-		},
-		external,
-		plugins: [
-			typescript({
-				typescript: require('typescript')
-			})
-		]
+	{ name: 'cli', banner: true },
+	{ name: 'core', banner: true },
+	{ name: 'middleware' },
+	{ name: 'runtime', format: 'es' },
+	{ name: 'webpack', file: 'webpack/config' }
+].map(obj => ({
+	input: `src/${obj.name}/index.ts`,
+	output: {
+		file: `${obj.file || obj.name}.js`,
+		format: obj.format || 'cjs',
+		banner: obj.banner && '#!/usr/bin/env node',
+		paths,
+		sourcemap: true
 	},
-
-	// core.js
-	{
-		input: 'src/core/index.ts',
-		output: {
-			file: 'core.js',
-			format: 'cjs',
-			banner: '#!/usr/bin/env node',
-			paths,
-			sourcemap: true
-		},
-		external,
-		plugins: [
-			typescript({
-				typescript: require('typescript')
-			})
-		]
-	},
-
-	// middleware.js
-	{
-		input: 'src/middleware/index.ts',
-		output: {
-			file: 'middleware.js',
-			format: 'cjs',
-			paths,
-			sourcemap: true
-		},
-		external,
-		plugins: [
-			typescript({
-				typescript: require('typescript')
-			})
-		]
-	},
-
-	// runtime.js
-	{
-		input: 'src/runtime/index.ts',
-		output: {
-			file: 'runtime.js',
-			format: 'es',
-			paths,
-			sourcemap: true
-		},
-		external,
-		plugins: [
-			typescript({
-				typescript: require('typescript')
-			})
-		]
-	},
-
-	// webpack/config.js
-	{
-		input: 'src/webpack/index.ts',
-		output: {
-			file: 'webpack/config.js',
-			format: 'cjs',
-			paths,
-			sourcemap: true
-		},
-		external,
-		plugins: [
-			typescript({
-				typescript: require('typescript')
-			})
-		]
-	}
-];
+	external,
+	plugins
+}));