feat(template): remove unnecessary rollup plugins, update rollup config

Author: phatpham9

generators/app/templates/package.json

@@ -10,15 +10,15 @@
   "main": "index.js",
   "typings": "index.d.ts",
   "scripts": {
+    "dev": "rollup -cw",
+    "prebuild": "yarn clean",
+    "build": "rollup -c",
+    "postbuild": "copyfiles CHANGELOG.md LICENSE package.json README.md dist",
     "purge": "rm -rf node_modules",
     "clean": "rm -rf dist",
-    "dev": "rollup -cw",
     "format": "prettier --write \"**/*.*(json|js|ts|yml|md)\"",
     "format:check": "prettier --check \"**/*.*(json|js|ts|yml|md)\"",
     "lint": "tslint --project tsconfig.json --config tslint.json",
-    "prebuild": "yarn clean",
-    "build": "rollup -c",
-    "postbuild": "copyfiles CHANGELOG.md LICENSE package.json README.md dist",
     "release": "standard-version --no-verify",
     "release:major": "yarn release --release-as major",
     "release:minor": "yarn release --release-as minor",
@@ -30,17 +30,14 @@
     "husky": "^2.3.0",
     "prettier": "^2.0.2",
     "pretty-quick": "^2.0.1",
-    "rollup": "^1.12.3",
-    "rollup-plugin-async": "^1.2.0",
-    "rollup-plugin-commonjs": "^10.0.0",
     "rollup-plugin-node-resolve": "^5.0.0",
-    "rollup-plugin-sourcemaps": "^0.4.2",
     "rollup-plugin-typescript2": "^0.21.1",
+    "rollup": "^1.12.3",
     "standard-version": "^6.0.1",
-    "tslint": "^5.16.0",
     "tslint-config-airbnb": "^5.11.1",
     "tslint-immutable": "^5.5.2",
     "tslint-sonarts": "^1.9.0",
+    "tslint": "^5.16.0",
     "typescript": "^3.4.5"
   }
 }

generators/app/templates/rollup.config.js

@@ -1,38 +1,25 @@
 import resolve from 'rollup-plugin-node-resolve';
-import commonjs from 'rollup-plugin-commonjs';
 import typescript from 'rollup-plugin-typescript2';
-import async from 'rollup-plugin-async';
-import sourceMaps from 'rollup-plugin-sourcemaps';
 
 import pkg from './package.json';
 
-const common = {
+const getConfig = (inputFile) => ({
   external: [
     ...Object.keys(pkg.dependencies || {}),
     ...Object.keys(pkg.peerDependencies || {}),
   ],
-  plugins: [
-    resolve(),
-    commonjs(),
-    typescript({
-      useTsconfigDeclarationDir: true,
-      rollupCommonJSResolveHack: true,
-    }),
-    async(),
-    sourceMaps(),
+  plugins: [resolve(), typescript({ useTsconfigDeclarationDir: true })],
+  input: inputFile,
+  output: [
+    {
+      dir: 'dist',
+      format: 'cjs',
+      sourcemap: true,
+    },
   ],
-};
+});
 
 export default [
-  {
-    ...common,
-    input: 'src/index.ts',
-    output: [
-      {
-        file: pkg.main,
-        format: 'cjs',
-        sourcemap: true,
-      },
-    ],
-  },
+  getConfig('src/index.ts'),
+  // TODO: add another file here
 ];