TypeScript autobuild and copy to clipboard. Useful for developing stuff where you can't actually access the content directly in a text editor (e.g. tampermonkey)

partial-package.json

{
  "scripts": {
    "build": "tsc && npm run post-build",
    "watch": "tsc-watch --onSuccess 'npm run post-build'",
    "post-build": "rollup build/index.js --o build/bundle.js --f iife && cat src/prelude.js build/bundle.js | (pbcopy && osascript -e 'display notification \"Script copied to clipboard\" with title \"Script Builder\"' || echo 'copied script to clipboard')"
  }
}