build: improving build time by using npm-run-all package

CHANGELOG.md

@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased][]
 
+### Updated
+
+- Improving build time by using `npm-run-all` package
+
+### Added
+
+- Adding `ES2020` bundle to be published
+
 ### Fixed
 
 - Fixed link on `README.md` docs

package.json

@@ -33,13 +33,15 @@
   "sideEffects": false,
   "browser": "dist/umd/react-sweet-wizard.js",
   "jsnext:main": "dist/esm/index.js",
-  "es2015": "dist/cjs/index.js",
+  "es2015": "dist/es2015/index.js",
+  "es2020": "dist/es2020/index.js",
   "cjs": "dist/cjs/index.js",
   "scripts": {
-    "build": "npm run build:clean && npm run build:es2015 && npm run build:cjs && npm run build:esm && npm run build:umd",
+    "build": "npm run build:clean && npm-run-all --parallel build:es2015 build:es2020 build:cjs build:esm && npm run build:umd",
     "build:umd": "rollup --config && npm run build:umd:min",
     "build:umd:min": "uglifyjs --compress --mangle --comments -o dist/umd/react-sweet-wizard.min.js -- dist/umd/react-sweet-wizard.js && gzip dist/umd/react-sweet-wizard.min.js -c > dist/umd/react-sweet-wizard.min.js.gz",
     "build:es2015": "tsc --project ./tsconfig.build.json --module es2015 --target es2015 --outDir dist/es2015",
+    "build:es2020": "tsc --module esnext --target es2020 --outDir dist/es2020",
     "build:esm": "tsc --project ./tsconfig.build.json --module esnext --target es5 --outDir dist/esm",
     "build:cjs": "tsc --project ./tsconfig.build.json --module commonjs --target es5 --outDir dist/cjs",
     "build:clean": "rm -rf ./dist ./.jest ./coverage",
@@ -95,6 +97,7 @@
     "eslint-plugin-sonarjs": "^0.10.0",
     "eslint-plugin-testing-library": "^5.0.0",
     "jest": "^27.3.1",
+    "npm-run-all": "^4.1.5",
     "prettier": "^2.4.1",
     "react": "^16.10.2",
     "react-dom": "^17.0.2",