Replace microbundle with custom rollup config

Author: kitten

package.json

@@ -3,7 +3,6 @@
  "version": "1.0.6",
  "description": "A custom partial React SSR renderer for prefetching and suspense",
  "main": "index.js",
- "source": "src/index.js",
  "author": "Phil Plückthun <phil.pluckthun@formidable.com>",
  "license": "MIT",
  "repository": "git@github.com:FormidableLabs/react-ssr-prepass.git",
@@ -17,9 +16,7 @@
  ],
  "scripts": {
  "prepublishOnly": "run-s build",
- "build:prod": "microbundle --target node -f cjs --compress --define '__DEV__=false' -o dist/react-ssr-prepass.production.min.js",
- "build:dev": "microbundle --target node -f cjs --no-compress --define '__DEV__=true' -o dist/react-ssr-prepass.development.js",
- "build": "run-p build:prod build:dev",
+ "build": "rollup -c rollup.config.js",
  "test": "jest",
  "flow": "flow"
  },
@@ -65,21 +62,30 @@
  },
  "devDependencies": {
  "@babel/core": "^7.5.5",
+ "@babel/plugin-transform-flow-strip-types": "^7.4.4",
+ "@babel/plugin-transform-object-assign": "^7.2.0",
  "@babel/preset-env": "^7.5.5",
  "@babel/preset-flow": "^7.0.0",
  "@babel/preset-react": "^7.0.0",
+ "babel-plugin-closure-elimination": "^1.3.0",
+ "babel-plugin-transform-async-to-promises": "^0.8.14",
  "codecov": "^3.5.0",
  "flow-bin": "^0.106.3",
  "husky": "^3.0.5",
  "jest": "^24.9.0",
  "lint-staged": "^9.2.5",
- "microbundle": "^0.11.0",
  "npm-run-all": "^4.1.5",
  "prettier": "^1.18.2",
  "react": "^16.9.0",
  "react-dom": "^16.9.0",
  "react-is": "^16.9.0",
  "rollup": "^1.20.3",
+ "rollup-plugin-babel": "^4.3.3",
+ "rollup-plugin-buble": "^0.19.8",
+ "rollup-plugin-commonjs": "^10.1.0",
+ "rollup-plugin-node-resolve": "^5.2.0",
+ "rollup-plugin-replace": "^2.2.0",
+ "rollup-plugin-terser": "^5.1.1",
  "styled-components": "^4.3.2"
  }
 }

rollup.config.js

@@ -0,0 +1,162 @@
+import commonjs from 'rollup-plugin-commonjs'
+import nodeResolve from 'rollup-plugin-node-resolve'
+import buble from 'rollup-plugin-buble'
+import babel from 'rollup-plugin-babel'
+import { terser } from 'rollup-plugin-terser'
+import replace from 'rollup-plugin-replace'
+
+const pkgInfo = require('./package.json')
+const { peerDependencies, dependencies } = pkgInfo
+
+let external = ['dns', 'fs', 'path', 'url']
+
+if (pkgInfo.peerDependencies) {
+ external.push(...Object.keys(peerDependencies))
+}
+
+if (pkgInfo.dependencies) {
+ external.push(...Object.keys(dependencies))
+}
+
+const externalPredicate = new RegExp(`^(${external.join('|')})($|/)`)
+const externalTest = id => {
+ if (id === 'babel-plugin-transform-async-to-promises/helpers') {
+ return false
+ }
+
+ return externalPredicate.test(id)
+}
+
+const terserPretty = terser({
+ sourcemap: true,
+ warnings: true,
+ ecma: 5,
+ keep_fnames: true,
+ ie8: false,
+ compress: {
+ pure_getters: true,
+ toplevel: true,
+ booleans_as_integers: false,
+ keep_fnames: true,
+ keep_fargs: true,
+ if_return: false,
+ ie8: false,
+ sequences: false,
+ loops: false,
+ conditionals: false,
+ join_vars: false
+ },
+ mangle: false,
+ output: {
+ beautify: true,
+ braces: true,
+ indent_level: 2
+ }
+})
+
+const terserMinified = terser({
+ sourcemap: true,
+ warnings: true,
+ ecma: 5,
+ ie8: false,
+ toplevel: true,
+ compress: {
+ keep_infinity: true,
+ pure_getters: true,
+ passes: 10
+ },
+ output: {
+ comments: false
+ }
+})
+
+const makePlugins = (isProduction = false) => [
+ babel({
+ babelrc: false,
+ exclude: 'node_modules/**',
+ presets: [],
+ plugins: ['@babel/plugin-transform-flow-strip-types']
+ }),
+ nodeResolve({
+ mainFields: ['module', 'jsnext', 'main'],
+ browser: true
+ }),
+ commonjs({
+ ignoreGlobal: true,
+ include: /\/node_modules\//,
+ namedExports: {
+ react: Object.keys(require('react'))
+ }
+ }),
+ buble({
+ transforms: {
+ unicodeRegExp: false,
+ dangerousForOf: true,
+ dangerousTaggedTemplateString: true
+ },
+ objectAssign: 'Object.assign',
+ exclude: 'node_modules/**'
+ }),
+ babel({
+ babelrc: false,
+ exclude: 'node_modules/**',
+ presets: [],
+ plugins: [
+ 'babel-plugin-closure-elimination',
+ '@babel/plugin-transform-object-assign',
+ [
+ 'babel-plugin-transform-async-to-promises',
+ {
+ inlineHelpers: true,
+ externalHelpers: true
+ }
+ ]
+ ]
+ }),
+ isProduction &&
+ replace({
+ 'process.env.NODE_ENV': JSON.stringify('production')
+ }),
+ isProduction ? terserMinified : terserPretty
+]
+
+const config = {
+ input: './src/index.js',
+ onwarn: () => {},
+ external: externalTest,
+ treeshake: {
+ propertyReadSideEffects: false
+ }
+}
+
+const name = 'react-ssr-prepass'
+
+export default [
+ {
+ ...config,
+ plugins: makePlugins(false),
+ output: [
+ {
+ sourcemap: true,
+ legacy: true,
+ freeze: false,
+ esModule: false,
+ file: `./dist/${name}.development.js`,
+ format: 'cjs'
+ }
+ ]
+ },
+ {
+ ...config,
+ plugins: makePlugins(true),
+ output: [
+ {
+ sourcemap: true,
+ legacy: true,
+ freeze: false,
+ file: `./dist/${name}.production.min.js`,
+ format: 'cjs'
+ }
+ ]
+ }
+]