Performance Benchmark Report

{
  "hookConfig": {
    "hooks": {
      "stop": {
        "script": "./.claude/hooks/performance-benchmark-report.sh",
        "timeout": 120000
      }
    }
  },
  "scriptContent": "#!/usr/bin/env bash\n\n# Performance Benchmark Report Hook\n# Runs comprehensive performance benchmarks when the session ends\n\necho \"⚡ Performance Benchmark Report\" >&2\necho \"=============================\" >&2\n\n# Initialize benchmark tracking\nBENCHMARKS_RUN=0\nBENCHMARKS_PASSED=0\nBENCHMARKS_FAILED=0\nTOTAL_DURATION=0\nSTART_TIME=$(date +%s)\nBENCHMARK_RESULTS_DIR=\".performance-reports\"\nTIMESTAMP=$(date +\"%Y-%m-%d-%H-%M-%S\")\nREPORT_FILE=\"$BENCHMARK_RESULTS_DIR/benchmark-$TIMESTAMP.json\"\n\n# Create benchmark results directory\nmkdir -p \"$BENCHMARK_RESULTS_DIR\"\n\n# Function to report benchmark results\nreport_benchmark() {\n  local status=\"$1\"\n  local name=\"$2\"\n  local duration=\"$3\"\n  local details=\"$4\"\n  \n  BENCHMARKS_RUN=$((BENCHMARKS_RUN + 1))\n  \n  case \"$status\" in\n    \"PASS\")\n      echo \"✅ PASS: $name (${duration}s)\" >&2\n      BENCHMARKS_PASSED=$((BENCHMARKS_PASSED + 1))\n      ;;\n    \"FAIL\")\n      echo \"❌ FAIL: $name (${duration}s)\" >&2\n      BENCHMARKS_FAILED=$((BENCHMARKS_FAILED + 1))\n      ;;\n    \"SKIP\")\n      echo \"⏭️ SKIP: $name - $details\" >&2\n      ;;\n    \"INFO\")\n      echo \"ℹ️ INFO: $name\" >&2\n      ;;\n  esac\n  \n  if [ -n \"$duration\" ] && [ \"$duration\" != \"0\" ]; then\n    TOTAL_DURATION=$((TOTAL_DURATION + duration))\n  fi\n}\n\n# Function to run command with timing\nrun_timed_benchmark() {\n  local name=\"$1\"\n  local command=\"$2\"\n  local timeout_seconds=\"${3:-60}\"\n  \n  echo \"   🏃 Running: $name...\" >&2\n  \n  local start_time=$(date +%s)\n  local output_file=\"/tmp/benchmark_${name//[^a-zA-Z0-9]/_}_$$\"\n  \n  if timeout \"${timeout_seconds}s\" bash -c \"$command\" > \"$output_file\" 2>&1; then\n    local end_time=$(date +%s)\n    local duration=$((end_time - start_time))\n    report_benchmark \"PASS\" \"$name\" \"$duration\"\n    \n    # Show brief output\n    if [ -s \"$output_file\" ]; then\n      echo \"     📊 Results:\" >&2\n      head -5 \"$output_file\" | while read line; do\n        echo \"       $line\" >&2\n      done\n    fi\n  else\n    local end_time=$(date +%s)\n    local duration=$((end_time - start_time))\n    report_benchmark \"FAIL\" \"$name\" \"$duration\"\n    \n    # Show error output\n    if [ -s \"$output_file\" ]; then\n      echo \"     ❌ Error:\" >&2\n      tail -3 \"$output_file\" | while read line; do\n        echo \"       $line\" >&2\n      done\n    fi\n  fi\n  \n  rm -f \"$output_file\"\n}\n\n# Function to detect project type and language\ndetect_project_type() {\n  local project_types=()\n  \n  [ -f \"package.json\" ] && project_types+=(\"nodejs\")\n  [ -f \"requirements.txt\" ] || [ -f \"pyproject.toml\" ] && project_types+=(\"python\")\n  [ -f \"go.mod\" ] && project_types+=(\"go\")\n  [ -f \"Cargo.toml\" ] && project_types+=(\"rust\")\n  [ -f \"composer.json\" ] && project_types+=(\"php\")\n  [ -f \"Gemfile\" ] && project_types+=(\"ruby\")\n  [ -f \"pom.xml\" ] || [ -f \"build.gradle\" ] && project_types+=(\"java\")\n  \n  echo \"${project_types[@]}\"\n}\n\n# Initialize JSON report\ncat > \"$REPORT_FILE\" << EOF\n{\n  \"timestamp\": \"$(date -u +\"%Y-%m-%dT%H:%M:%SZ\")\",\n  \"session_id\": \"$(uuidgen 2>/dev/null || echo \"session-$TIMESTAMP\")\",\n  \"project_path\": \"$(pwd)\",\n  \"project_name\": \"$(basename \"$(pwd)\")\",\n  \"benchmarks\": [\nEOF\n\n# Detect project types\nPROJECT_TYPES=($(detect_project_type))\n\nif [ ${#PROJECT_TYPES[@]} -eq 0 ]; then\n  report_benchmark \"INFO\" \"No recognized project structure found\"\nelse\n  echo \"   📊 Detected project types: ${PROJECT_TYPES[*]}\" >&2\nfi\n\n# 1. Node.js Benchmarks\nif [[ \" ${PROJECT_TYPES[*]} \" =~ \" nodejs \" ]]; then\n  echo \"📦 Node.js Performance Benchmarks\" >&2\n  \n  # Check for benchmark scripts in package.json\n  if [ -f \"package.json\" ]; then\n    BENCHMARK_SCRIPTS=$(jq -r '.scripts | to_entries[] | select(.key | test(\"benchmark|perf\")) | .key' package.json 2>/dev/null || echo \"\")\n    \n    if [ -n \"$BENCHMARK_SCRIPTS\" ]; then\n      echo \"$BENCHMARK_SCRIPTS\" | while read script; do\n        run_timed_benchmark \"npm run $script\" \"npm run $script\" 180\n      done\n    else\n      report_benchmark \"SKIP\" \"Node.js benchmarks\" \"No benchmark scripts found in package.json\"\n    fi\n    \n    # Bundle size analysis\n    if command -v npx &> /dev/null; then\n      if [ -f \"dist/\" ] || [ -f \"build/\" ]; then\n        run_timed_benchmark \"Bundle size analysis\" \"npx bundlesize\" 60\n      fi\n      \n      # Build performance\n      if jq -e '.scripts.build' package.json >/dev/null 2>&1; then\n        run_timed_benchmark \"Build performance\" \"npm run build\" 300\n      fi\n      \n      # Test performance\n      if jq -e '.scripts.test' package.json >/dev/null 2>&1; then\n        run_timed_benchmark \"Test suite performance\" \"npm test\" 180\n      fi\n    fi\n  fi\nfi\n\n# 2. Python Benchmarks\nif [[ \" ${PROJECT_TYPES[*]} \" =~ \" python \" ]]; then\n  echo \"🐍 Python Performance Benchmarks\" >&2\n  \n  # pytest-benchmark\n  if command -v pytest &> /dev/null && ([ -f \"pytest.ini\" ] || [ -f \"pyproject.toml\" ]); then\n    run_timed_benchmark \"pytest benchmarks\" \"pytest --benchmark-only --benchmark-json=/tmp/pytest_benchmark.json\" 300\n  fi\n  \n  # Python timeit benchmarks\n  if [ -f \"benchmark.py\" ]; then\n    run_timed_benchmark \"Python benchmark.py\" \"python benchmark.py\" 120\n  fi\n  \n  # Memory profiling\n  if command -v python &> /dev/null && command -v pip &> /dev/null; then\n    run_timed_benchmark \"Memory profiling\" \"python -c 'import psutil; print(f\\\"Memory usage: {psutil.virtual_memory().percent}%\\\")'\" 10\n  fi\nfi\n\n# 3. Go Benchmarks\nif [[ \" ${PROJECT_TYPES[*]} \" =~ \" go \" ]]; then\n  echo \"🐹 Go Performance Benchmarks\" >&2\n  \n  if command -v go &> /dev/null; then\n    # Go test benchmarks\n    run_timed_benchmark \"Go benchmarks\" \"go test -bench=. -benchmem\" 180\n    \n    # Build performance\n    run_timed_benchmark \"Go build performance\" \"go build -o /tmp/go_build_test\" 60\n    \n    # Clean up\n    rm -f /tmp/go_build_test\n  fi\nfi\n\n# 4. Rust Benchmarks\nif [[ \" ${PROJECT_TYPES[*]} \" =~ \" rust \" ]]; then\n  echo \"🦀 Rust Performance Benchmarks\" >&2\n  \n  if command -v cargo &> /dev/null; then\n    # Cargo bench\n    run_timed_benchmark \"Cargo benchmarks\" \"cargo bench\" 300\n    \n    # Build performance\n    run_timed_benchmark \"Cargo build performance\" \"cargo build --release\" 180\n    \n    # Test performance\n    run_timed_benchmark \"Cargo test performance\" \"cargo test\" 120\n  fi\nfi\n\n# 5. Web Performance Benchmarks\necho \"🌐 Web Performance Analysis\" >&2\n\n# Check if this looks like a web project\nWEB_PROJECT=false\nif [ -f \"package.json\" ] && grep -q '\"next\"\\\\|\"react\"\\\\|\"vue\"\\\\|\"angular\"\\\\|\"express\"\\\\|\"koa\"' package.json; then\n  WEB_PROJECT=true\nelif [ -f \"index.html\" ] || [ -d \"public\" ] || [ -d \"static\" ]; then\n  WEB_PROJECT=true\nfi\n\nif [ \"$WEB_PROJECT\" = true ]; then\n  # Lighthouse audit (if available)\n  if command -v lighthouse &> /dev/null; then\n    # Check for running dev server\n    if curl -s http://localhost:3000 >/dev/null 2>&1; then\n      run_timed_benchmark \"Lighthouse audit (localhost:3000)\" \"lighthouse http://localhost:3000 --output json --quiet --chrome-flags='--headless' --no-sandbox\" 120\n    elif curl -s http://localhost:8080 >/dev/null 2>&1; then\n      run_timed_benchmark \"Lighthouse audit (localhost:8080)\" \"lighthouse http://localhost:8080 --output json --quiet --chrome-flags='--headless' --no-sandbox\" 120\n    else\n      report_benchmark \"SKIP\" \"Lighthouse audit\" \"No local server detected\"\n    fi\n  else\n    report_benchmark \"SKIP\" \"Lighthouse audit\" \"Lighthouse not installed\"\n  fi\n  \n  # Bundle analyzer (if available)\n  if command -v npx &> /dev/null && [ -f \"package.json\" ]; then\n    if [ -d \"dist\" ] || [ -d \"build\" ] || [ -d \".next\" ]; then\n      run_timed_benchmark \"Bundle analysis\" \"npx webpack-bundle-analyzer --help >/dev/null && echo 'Bundle analyzer available'\" 10\n    fi\n  fi\nelse\n  report_benchmark \"SKIP\" \"Web performance\" \"Not a web project\"\nfi\n\n# 6. Database Benchmarks\necho \"🗄️ Database Performance Analysis\" >&2\n\n# Check for database connections\nif [ -f \".env\" ] && grep -q 'DATABASE_URL\\\\|DB_' .env; then\n  report_benchmark \"INFO\" \"Database configuration detected\"\n  \n  # Simple connection test\n  if command -v psql &> /dev/null && grep -q 'postgres' .env 2>/dev/null; then\n    run_timed_benchmark \"PostgreSQL connection test\" \"timeout 10s psql \\\"$(grep DATABASE_URL .env | cut -d'=' -f2)\\\" -c 'SELECT 1;'\" 15\n  fi\n  \n  if command -v mysql &> /dev/null && grep -q 'mysql' .env 2>/dev/null; then\n    run_timed_benchmark \"MySQL connection test\" \"timeout 10s mysql --execute='SELECT 1;'\" 15\n  fi\nelse\n  report_benchmark \"SKIP\" \"Database benchmarks\" \"No database configuration found\"\nfi\n\n# 7. Load Testing (if tools available)\necho \"🔥 Load Testing\" >&2\n\nif command -v hyperfine &> /dev/null; then\n  # Hyperfine command benchmarks\n  if [ -f \"package.json\" ]; then\n    if jq -e '.scripts.start' package.json >/dev/null 2>&1; then\n      run_timed_benchmark \"Command timing analysis\" \"hyperfine --warmup 1 'npm run start --version' 'npm run build --help'\" 30\n    fi\n  fi\nelse\n  report_benchmark \"SKIP\" \"Hyperfine benchmarks\" \"Hyperfine not installed\"\nfi\n\nif command -v ab &> /dev/null; then\n  # Apache Bench (if server is running)\n  if curl -s http://localhost:3000 >/dev/null 2>&1; then\n    run_timed_benchmark \"Apache Bench load test\" \"ab -n 100 -c 10 http://localhost:3000/\" 60\n  fi\nelse\n  report_benchmark \"SKIP\" \"Apache Bench\" \"ab not installed\"\nfi\n\n# 8. Historical Comparison\necho \"📈 Historical Performance Analysis\" >&2\n\n# Find previous benchmark reports\nPREVIOUS_REPORTS=($(ls -t \"$BENCHMARK_RESULTS_DIR\"/benchmark-*.json 2>/dev/null | head -5))\n\nif [ ${#PREVIOUS_REPORTS[@]} -gt 1 ]; then\n  LATEST_PREVIOUS=\"${PREVIOUS_REPORTS[1]}\"\n  echo \"   📊 Comparing with previous run: $(basename \"$LATEST_PREVIOUS\")\" >&2\n  \n  if [ -f \"$LATEST_PREVIOUS\" ] && command -v jq &> /dev/null; then\n    PREV_DURATION=$(jq -r '.total_duration // 0' \"$LATEST_PREVIOUS\" 2>/dev/null || echo \"0\")\n    \n    if [ \"$PREV_DURATION\" -gt 0 ] && [ \"$TOTAL_DURATION\" -gt 0 ]; then\n      DURATION_DIFF=$((TOTAL_DURATION - PREV_DURATION))\n      PERCENT_CHANGE=$(echo \"scale=1; $DURATION_DIFF * 100 / $PREV_DURATION\" | bc -l 2>/dev/null || echo \"0\")\n      \n      if [ \"$DURATION_DIFF\" -gt 0 ]; then\n        echo \"   ⬆️ Performance regression: +${PERCENT_CHANGE}% slower\" >&2\n      elif [ \"$DURATION_DIFF\" -lt 0 ]; then\n        echo \"   ⬇️ Performance improvement: ${PERCENT_CHANGE#-}% faster\" >&2\n      else\n        echo \"   ➡️ Performance unchanged\" >&2\n      fi\n    fi\n  fi\nelse\n  echo \"   📋 No previous benchmarks found for comparison\" >&2\nfi\n\n# Complete JSON report\nEND_TIME=$(date +%s)\nSESSION_DURATION=$((END_TIME - START_TIME))\n\ncat >> \"$REPORT_FILE\" << EOF\n  ],\n  \"summary\": {\n    \"benchmarks_run\": $BENCHMARKS_RUN,\n    \"benchmarks_passed\": $BENCHMARKS_PASSED,\n    \"benchmarks_failed\": $BENCHMARKS_FAILED,\n    \"total_duration\": $TOTAL_DURATION,\n    \"session_duration\": $SESSION_DURATION\n  },\n  \"project_types\": [$(printf '\"%s\",' \"${PROJECT_TYPES[@]}\" | sed 's/,$//')]  \n}\nEOF\n\n# 9. Generate Final Report\necho \"\" >&2\necho \"📋 Performance Benchmark Summary\" >&2\necho \"================================\" >&2\necho \"   🏃 Benchmarks run: $BENCHMARKS_RUN\" >&2\necho \"   ✅ Passed: $BENCHMARKS_PASSED\" >&2\necho \"   ❌ Failed: $BENCHMARKS_FAILED\" >&2\necho \"   ⏱️ Total benchmark time: ${TOTAL_DURATION}s\" >&2\necho \"   📊 Session duration: ${SESSION_DURATION}s\" >&2\necho \"   📄 Report saved: $REPORT_FILE\" >&2\n\n# Performance assessment\nif [ \"$BENCHMARKS_FAILED\" -eq 0 ] && [ \"$BENCHMARKS_PASSED\" -gt 0 ]; then\n  echo \"   🎉 Status: All benchmarks passed\" >&2\nelif [ \"$BENCHMARKS_FAILED\" -gt 0 ]; then\n  echo \"   ⚠️ Status: Some benchmarks failed\" >&2\nelif [ \"$BENCHMARKS_RUN\" -eq 0 ]; then\n  echo \"   ℹ️ Status: No benchmarks configured\" >&2\nelse\n  echo \"   ❓ Status: Mixed results\" >&2\nfi\n\necho \"\" >&2\necho \"💡 Performance Optimization Tips:\" >&2\necho \"   • Run benchmarks regularly to catch regressions early\" >&2\necho \"   • Set up CI/CD performance gates\" >&2\necho \"   • Monitor Core Web Vitals for web applications\" >&2\necho \"   • Profile memory usage and optimize bottlenecks\" >&2\necho \"   • Use caching strategies to improve response times\" >&2\necho \"   • Consider lazy loading and code splitting\" >&2\n\necho \"⚡ Performance benchmark report complete\" >&2\nexit 0"
}