Code Quality Checks

Purpose

Enforce quality standards for Riksdagsmonitor static HTML/CSS website.

Quality Gates

HTML Validation (HTMLHint)

npm install -g htmlhint

# Validate all HTML files
htmlhint *.html

# Custom rules (.htmlhintrc)
{
  "tagname-lowercase": true,
  "attr-lowercase": true,
  "attr-value-double-quotes": true,
  "doctype-first": true,
  "tag-pair": true,
  "spec-char-escape": true,
  "id-unique": true,
  "src-not-empty": true,
  "attr-no-duplication": true
}

CSS Validation (CSSLint)

npm install -g csslint

# Validate CSS
csslint styles.css

# Custom rules (.csslintrc)
{
  "adjoining-classes": false,
  "box-model": true,
  "box-sizing": false,
  "duplicate-properties": true,
  "empty-rules": true,
  "import": true,
  "important": false,
  "known-properties": true
}

Link Checking (linkinator)

npm install -g linkinator

# Start local server
python3 -m http.server 8080 &

# Check all links
linkinator http://localhost:8080/ --recurse --silent

Accessibility (axe-core)

npm install -g @axe-core/cli

# Check accessibility
axe https://riksdagsmonitor.com --tags wcag2a,wcag2aa

Quality Standards

• ✅ 0 HTML validation errors
• ✅ 0 broken links
• ✅ 0 accessibility violations (WCAG 2.1 AA)
• ✅ CSS validation warnings only
• ✅ 4.5:1 color contrast minimum

References

• HTMLHint: https://htmlhint.com/
• linkinator: https://github.com/JustinBeckwith/linkinator
• axe-core: https://github.com/dequelabs/axe-core-npm