block-mini.yml

name: Block Minified JavaScript/TypeScript

on:
  pull_request:
    branches: ["main", "develop", "*"]
  push:
    branches: ["main", "develop", "*"]

jobs:
  block-minified-code:
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@v4

      - name: Detect potential minified code
        shell: bash
        run: |
          echo "Scanning for potential minified JS/TS code..."

          # We'll look in .ts, .tsx, .js, .jsx files, skipping common build dirs.
          FILES=$(find . \
            \( -name 'node_modules' -prune \) -o \
            \( -name 'dist' -prune \) -o \
            \( -name 'build' -prune \) -o \
            -type f \( -name '*.ts' -o -name '*.tsx' -o -name '*.js' -o -name '*.jsx' \) \
            -print)

          if [ -z "$FILES" ]; then
            echo "No relevant JS/TS files found."
            exit 0
          fi

          THRESHOLD=1000
          VIOLATIONS=0

          for file in $FILES; do
            # Use grep -En to capture line number and text
            # If any line is ≥ THRESHOLD chars, we store those lines in RESULTS
            RESULTS=$(grep -En ".{${THRESHOLD},}" "$file" || true)
            if [ -n "$RESULTS" ]; then
              # We have potential minified lines
              while IFS= read -r match; do
                # 'match' will be something like "1234:the entire matched line"
                LINENUM=$(echo "$match" | cut -d: -f1)
                # If you want the text, you can do:
                # MATCHED_LINE=$(echo "$match" | cut -d: -f2-)

                echo "::error file=$file,line=$LINENUM::Detected potential minified code (≥ $THRESHOLD chars)."
              done <<< "$RESULTS"
              VIOLATIONS=1
            fi
          done

          if [ "$VIOLATIONS" -eq 1 ]; then
            echo "ERROR: Minified code detected. Please remove or exclude it."
            exit 1
          else
            echo "No minified code detected."
          fi