Skill: charlie-morrison/stylelint-config-validator (version 1.0.1)

# stylelint-config-validator Validate Stylelint configuration files for correctness, deprecated rules, and best practices. ## What it does Checks `.stylelintrc` / `.stylelintrc.json` / `.stylelintrc.yaml` for: - **Rules** — unknown rules, deprecated rules (70+ deprecated in Stylelint 16), null values, many disabled rules - **Config structure** — unknown config keys, extends/plugins arrays, override validation - **Deprecated rules** — blacklist→disallowed-list renames, removed formatting rules (use Prettier instead) - **Extends** — duplicate entries, prettier config ordering (must be last) - **Plugins** — duplicates, plugin-prefixed rules without declared plugins - **Overrides** — missing files property, deprecated rules in overrides ### Rules (20+) | Category | Rules | Examples | |----------|-------|---------| | Config structure (4) | Unknown keys, invalid types, no rules or extends, invalid defaultSeverity | `customConfig: true` → unknown key | | Rules validation (5) | Deprecated rules (70+), unknown rules, null values, disabled rule ratio | `indentation: 2` → deprecated in v16 | | Extends (3) | Duplicate entries, non-array type, prettier ordering | prettier before standard → wrong order | | Plugins (3) | Duplicate plugins, non-array type, plugin rules without plugins | `scss/no-dollar-variables` without plugin | | Overrides (3) | Non-array type, missing files, deprecated rules in overrides | Override without `files` property | | Ignore files (1) | Catch-all patterns | `ignoreFiles: "*"` matches everything | ### Output formats - **text** — human-readable with severity icons (❌ ⚠️ ℹ️) - **json** — structured with summary counts - **summary** — one-line PASS/WARN/FAIL ### Exit codes - `0` — no errors - `1` — errors found (or `--strict` with any issue) - `2` — file not found or parse error ## Commands ### lint / validate Full config validation. ```bash python3 scripts/stylelint_validator.py lint .stylelintrc.json python3 scripts/stylelint_validator.py validate --format json .stylelintrc ``` ### rules Check rules only (deprecated, unknown, conflicts). ```bash python3 scripts/stylelint_validator.py rules .stylelintrc.json ``` ### deprecated List only deprecated rules in the config. ```bash python3 scripts/stylelint_validator.py deprecated .stylelintrc.json ``` ## Options | Option | Values | Default | Description | |--------|--------|---------|-------------| | `--format` | text, json, summary | text | Output format | | `--min-severity` | error, warning, info | info | Filter by minimum severity | | `--strict` | flag | off | Exit 1 on any issue | ## Requirements - Python 3.8+ - No external dependencies (pure stdlib) ## Examples ```bash # Quick check python3 scripts/stylelint_validator.py lint .stylelintrc.json # CI pipeline python3 scripts/stylelint_validator.py lint --strict --format summary .stylelintrc # Find deprecated rules to upgrade python3 scripts/stylelint_validator.py deprecated .stylelintrc.json # JSON output for tooling python3 scripts/stylelint_validator.py validate --format json .stylelintrc.yaml ```


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