chore: ensure that build is done in NODE_ENV=production

Author: gajus

package.json

@@ -57,7 +57,7 @@
     "url": "https://github.com/gajus/table"
   },
   "scripts": {
-    "build": "rm -fr ./dist && babel --copy-files ./src --out-dir ./dist && npm run make-validators",
+    "build": "rm -fr ./dist && NODE_ENV=production babel --copy-files ./src --out-dir ./dist && npm run make-validators",
     "lint": "npm run build && eslint ./src ./tests",
     "make-readme": "gitdown ./.README/README.md --output-file ./README.md",
     "make-validators": "ajv compile --all-errors --inline-refs=false -s src/schemas/config -c ajv-keywords/keywords/typeof -o dist/validateConfig.js && ajv compile --all-errors --inline-refs=false -s src/schemas/streamConfig -c ajv-keywords/keywords/typeof -o dist/validateStreamConfig.js",