Rollup configuration for VueJS SFC + TypeScript tree-shakable library

package.json

{
  "name": "your-library-name",
  "version": "0.1.0",
  "module": "dist/index.js",
  "sideEffects": false,
  "scripts": {
    "build": "rollup --config ./config/rollup.config.js",
    "serve": "rollup --config ./config/rollup.config.js --watch",
    "test": "jest --config ./config/jest.config.js --rootDir ."
  },
  "devDependencies": {
    "@betit/rollup-plugin-rename-extensions": "^0.0.4",
    "@types/jest": "^24.0.15",
    "@vue/test-utils": "^1.0.0-beta.29",
    "babel-core": "^6.26.3",
    "babel-loader": "^7.1.5",
    "babel-preset-vue": "^2.0.2",
    "jest": "^24.8.0",
    "jest-serializer-vue": "^2.0.2",
    "postcss": "^7.0.17",
    "rollup": "^1.16.7",
    "rollup-plugin-cleaner": "^1.0.0",
    "rollup-plugin-commonjs": "^10.0.1",
    "rollup-plugin-typescript2": "^0.22.0",
    "rollup-plugin-vue": "^5.0.1",
    "standard-changelog": "^2.0.18",
    "ts-jest": "^24.0.2",
    "ts-loader": "^6.0.4",
    "typescript": "^3.5.3",
    "vue": "^2.6.10",
    "vue-jest": "^3.0.4",
    "vue-loader": "^15.7.0",
    "vue-property-decorator": "^8.2.1",
    "vue-template-compiler": "^2.6.10"
  },
  "peerDependencies": {
    "vue": "^2.6.10"
  }
}

rollup.config.js

import vue from ‘rollup-plugin-vue’
import typescript from ‘rollup-plugin-typescript2’
import renameExtensions from ‘@betit/rollup-plugin-rename-extensions’
import cleaner from ‘rollup-plugin-cleaner’
import commonjs from ‘rollup-plugin-commonjs’
export default {
  input: ‘index.js’,
  output: {
    format: ‘esm’, // This is what tells rollup to use ES6 modules
    dir: ‘dist’
  },
  external: [ ‘vue’, ‘vue-class-component’ ],
  plugins: [
    cleaner({ targets: [ ‘dist’ ] }),
    commonjs(),
    typescript({ rollupCommonJSResolveHack: true, clean: true }),
    // This extension renames all .vue and .ts to .js
    // (and updates the imports)
    renameExtensions({
      include: [‘**/*.ts’, ‘**/*.vue’],
      mappings: { ‘.vue’: ‘.vue.js’, ‘.ts’: ‘.js’ }
    }),
    vue()
  ],
  // Prevents bundling, but doesn’t rename files
  preserveModules: true
}