920dc12a74
Built from scratch (replaces reverted PR #375 contribution). Skill package: - SKILL.md: 1132 lines, 3-phase workflow (scan → fix → verify), per-framework fix patterns (React, Next.js, Vue, Angular, Svelte, HTML), CI/CD integration guide, 20+ issue type coverage - scripts/a11y_scanner.py: static scanner detecting 20+ violation types across HTML/JSX/TSX/Vue/Svelte/CSS — severity-ranked, CI-friendly exit codes - scripts/contrast_checker.py: WCAG contrast calculator with AA/AAA checks, --suggest mode, --batch CSS scanning, named color support - references/wcag-quick-ref.md: WCAG 2.2 Level A/AA criteria table - references/aria-patterns.md: ARIA roles, live regions, keyboard interaction - references/framework-a11y-patterns.md: React, Vue, Angular, Svelte fix patterns - assets/sample-component.tsx: sample file with intentional violations - expected_outputs/: scan report, contrast output, JSON output samples - /a11y-audit slash command, settings.json, plugin.json, README.md Validation: 97.6/100 (EXCELLENT), quality 73.9/100 (B-), scripts 2/2 PASS Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
85 lines
2.4 KiB
Markdown
85 lines
2.4 KiB
Markdown
---
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name: a11y-audit
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description: Scan a frontend project for WCAG 2.2 accessibility violations and fix them. Usage: /a11y-audit [path]
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---
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# /a11y-audit
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Scan a frontend project for WCAG 2.2 accessibility issues, show fixes, and optionally check color contrast.
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## Usage
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```bash
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/a11y-audit # Scan current project
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/a11y-audit ./src # Scan specific directory
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/a11y-audit ./src --fix # Scan and auto-fix what's possible
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```
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## What It Does
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### Step 1: Scan
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Run the a11y scanner on the target directory:
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```bash
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python3 {skill_path}/scripts/a11y_scanner.py {path} --json
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```
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Parse the JSON output. Group findings by severity (critical → serious → moderate → minor).
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Display a summary:
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```
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A11y Audit: ./src
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Critical: 3 | Serious: 7 | Moderate: 12 | Minor: 5
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Files scanned: 42 | Files with issues: 15
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```
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### Step 2: Fix
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For each finding (starting with critical):
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1. Read the affected file
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2. Show the violation with context (before)
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3. Apply the fix from `references/framework-a11y-patterns.md`
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4. Show the result (after)
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**Auto-fixable issues** (apply without asking):
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- Missing `alt=""` on decorative images
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- Missing `lang` attribute on `<html>`
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- `tabindex` values > 0 → set to 0
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- Missing `type="button"` on non-submit buttons
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- Outline removal without replacement → add `:focus-visible` styles
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**Issues requiring user input** (show fix, ask to apply):
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- Missing alt text (need description from user)
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- Missing form labels (need label text)
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- Heading restructuring (may affect layout)
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- ARIA role changes (may affect functionality)
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### Step 3: Contrast Check
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If CSS files are present, run the contrast checker:
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```bash
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python3 {skill_path}/scripts/contrast_checker.py --batch {path}
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```
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For each failing color pair, suggest accessible alternatives.
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### Step 4: Report
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Generate a markdown report at `a11y-report.md`:
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- Executive summary (pass/fail, issue counts)
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- Per-file findings with before/after diffs
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- Remaining manual review items
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- WCAG criteria coverage
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## Skill Reference
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- `engineering-team/a11y-audit/SKILL.md`
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- `engineering-team/a11y-audit/scripts/a11y_scanner.py`
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- `engineering-team/a11y-audit/scripts/contrast_checker.py`
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- `engineering-team/a11y-audit/references/wcag-quick-ref.md`
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- `engineering-team/a11y-audit/references/aria-patterns.md`
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- `engineering-team/a11y-audit/references/framework-a11y-patterns.md`
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