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Git setup and code quality

note

Replace gitlab.reids.net.au with your server name.

Initial repository setup​

# Initialise new Git repo with main branch
git init
git checkout -b main
git add .
git commit -m "Initial commit"

GitLab CLI setup​

Install glab via brew on mac​

brew install glab

Configure glab​

# Disable telemetry
glab config set -g disable_telemetry true

# Check status
glab auth status --hostname gitlab.reids.net.au

# Edit config and remove github section
glab config edit

# Check status with hostname
glab auth status

# Set default host
glab config set -g host gitlab.reids.net.au

# Create repository
glab repo create muppit-apps/fitness-app --private

Configure git remote​

# Git from project folder
git remote set-url origin https://gitlab.reids.net.au/muppit-apps/fitness-app.git
git push -u origin main

# Confirm the remote
git remote -v
glab repo view

Code quality tools​

Foundation phase 1.

Overview​

Implemented comprehensive code quality system as part of foundation phase 1:

  • Prettier for consistent code formatting.
  • ESLint for code linting and error detection.
  • Husky for Git hooks enforcement.
  • lint-staged for efficient pre-commit checks.

Dependencies installed​

npm install --save-dev prettier husky lint-staged @typescript-eslint/eslint-plugin @typescript-eslint/parser @eslint/eslintrc

Configuration Files Created​

  • .prettierrc - Prettier formatting rules.
  • .prettierignore - Files excluded from formatting.
  • eslint.config.js - Modern ESLint configuration (v9 format).
  • .husky/pre-commit - Pre-commit hook (type checking + linting).
  • .husky/commit-msg - Commit message validation hook.

Available scripts​

# Code formatting
npm run format              # Format all files with Prettier
npm run format:check        # Check formatting without changes

# Linting
npm run lint               # Run ESLint
npm run lint:fix           # Fix ESLint issues automatically

# Type checking
npm run typecheck          # Run TypeScript compiler checks

Git hooks behavior​

Pre-commit Hook:

  • Runs TypeScript type checking.
  • Formats staged files with Prettier.
  • Runs ESLint on staged files.
  • Only allows commit if all checks pass.

Commit Message Hook:

  • Enforces conventional commit message format.
  • Required format: type(scope?): description.
  • Valid types: build, chore, ci, docs, feat, fix, perf, refactor, revert, style, test.

Example valid commit messages​

feat(auth): add user authentication system
fix(api): resolve login endpoint timeout
docs(readme): update installation instructions
style(components): format user profile component
chore(deps): update dependencies

Bypass hooks​

Emergency only.

git commit -m "feat: urgent fix" --no-verify

Note: The --no-verify flag should only be used in emergency situations as it bypasses all quality checks.

GitLab CI/CD pipeline implementation​

Pipeline architecture​

5-Stage Automated Pipeline:

  1. .pre - Dependency installation with native module build tools.
  2. validate - Type checking, formatting, linting, documentation sync.
  3. test - Jest unit tests with PostgreSQL database and coverage reporting.
  4. quality - Export validation, dependency audit, React hooks, bundle analysis.
  5. security - npm security audit for vulnerabilities.

Environment configuration​

Base Image: node:20 (Debian-based)

  • Switched from Alpine Linux for native binary compatibility.
  • Includes Python, make, g++ for native module compilation.
  • Better support for packages like lightningcss (TailwindCSS v4).

Smart Execution Rules:

  • Skips on documentation-only changes (docs: commit prefix).
  • Skips on markdown-only changes (*.md, memory_bank/**/*).
  • Caches node_modules for faster builds.
  • Runs automatically on push, merge requests, and web triggers.

CI/CD troubleshooting history​

Major Issues Resolved:

  1. Node.js Version Compatibility

    • Issue: Package engine warnings for lint-staged, commander.
    • Solution: Upgraded from Node.js 18 → 20.

  2. Native Module Compilation

    • Issue: Missing Python/build tools for node-gyp.
    • Solution: Added apt-get install python3 make g++.

  3. TailwindCSS v4 Binary Issues

    • Issue: lightningcss native binary resolution failures.
    • Solution: Downgraded to TailwindCSS v3 for CI stability.
    • Future: Document v4 migration path with proper binary handling.

  4. Documentation Sync Failures

    • Issue: grep commands failing in CI environment.
    • Solution: Replaced shell commands with Node.js file operations.

  5. Jest Coverage Configuration

    • Issue: Unrealistic 70% coverage thresholds causing failures.
    • Solution: Focused coverage on tested areas, disabled global thresholds.

  6. Prettier Automation Gaps

    • Issue: .mjs files not included in lint-staged configuration.
    • Solution: Extended patterns to include .mjs, .cjs files.

Pipeline artifacts​

Generated Reports:

  • JUnit XML test results for GitLab test reporting.
  • Cobertura coverage reports for merge request integration.
  • LCOV coverage data for local development.
  • Bundle analysis results (when enabled).

Coverage Configuration:

  • Focuses on src/components/** and src/lib/** directories.
  • Excludes API routes and server workers from coverage calculation.
  • Generates multiple report formats for different tools.

Performance optimisations​

Caching Strategy:

  • Node.js dependency caching with package-lock.json fingerprinting.
  • Artifact caching for test results and coverage reports.
  • Smart cache invalidation on dependency changes.

Parallel Execution:

  • Validation stage jobs run in parallel for faster feedback.
  • Quality stage jobs run concurrently for efficiency.
  • Total pipeline completion time: ~5-10 minutes.