build: run es check like a lint command

Author: alexander-akait

package.json

@@ -22,13 +22,13 @@
     "build:types": "tsc --declaration --emitDeclarationOnly --outDir types && prettier \"types/**/*.ts\" --write",
     "build:code": "cross-env NODE_ENV=production babel src -d dist --copy-files",
     "build": "npm-run-all -p \"build:**\"",
-    "postbuild": "es-check es5 dist/hmr/hotModuleReplacement.js",
     "clean": "del-cli dist",
     "commitlint": "commitlint --from=master",
     "lint:prettier": "prettier \"{**/*,*}.{js,json,md,yml,css,ts}\" --list-different",
     "lint:js": "eslint --cache .",
     "lint:spelling": "cspell \"**/*.*\"",
     "lint:types": "tsc --pretty --noEmit",
+    "lint:es-check": "es-check es5 dist/hmr/hotModuleReplacement.js",
     "lint": "npm-run-all -l -p \"lint:**\"",
     "fix:js": "npm run lint:js -- --fix",
     "fix:prettier": "npm run lint:prettier -- --write",