Dart tooling

Skill ComeOnOliver/skillshub/skills/HoangNguyen0403/agent-skills-standard/dart-tooling

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Install

npx -y skills add ComeOnOliver/skillshub --skill dart-tooling

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Dart static analysis, linting, formatting, and code-generation standards. Use when touching analysis_options.yaml, running build_runner, configuring dart format line length, setting up DCM metrics, or adding pre-commit hooks via lefthook — and whenever a CI job fails on analyze or format steps. (triggers: analysis_options.yaml, build.yaml, build_runner, lefthook.yml, dart format, dart_code_metrics)

SKILL.md

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Tooling & CI

Priority: P1 (HIGH)

Standards for code quality, formatting, and generation.

Implementation Guidelines

Linter: Use analysis_options.yaml. Enforce always_use_package_imports and require_trailing_commas.
Formatting: Use dart format . --line-length 80. Run on every commit.
DCM: Use dart_code_metrics for complexity checks (Max cyclomatic complexity: 15).
Build Runner: Always use --delete-conflicting-outputs with code generation.
CI Pipeline: All PRs MUST pass analyze, format, and test steps.
Imports: Group imports: dart:, package:, then relative.
Documentation: Use /// for public APIs. Link symbols using [Class].
Linting Commands:
- flutter analyze --fatal-infos --fatal-warnings
- dart run dart_code_metrics:metrics analyze lib
Pre-commit: Keep lefthook.yml in sync with analyze/format/metrics commands.

Code

# analysis_options.yaml
analyzer:
  errors:
    todo: ignore
    missing_required_param: error
linter:
  rules:
    - prefer_single_quotes
    - unawaited_futures

Anti-Patterns

❌ dart run build_runner build without --delete-conflicting-outputs — causes stale generated file conflicts that break compilation
❌ Running flutter build before flutter analyze — analyze is fast and cheap; always fail fast by running it first
❌ // ignore: lint_rule without an explanation comment — always annotate why the ignore is justified
❌ Skipping dart format in pre-commit — unformatted code breaks CI; enforce via lefthook.yml

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