dart-migrate-to-checks-package

dart migrate to checks package

dart-lang 411 ↓ 9.8k BSD-3-Clause updated 28d ago

Claude Code

View source ↗

What it does

When to Use This Skill
How to Use This Skill (The Workflow)
Key Syntax Differences and Pitfalls
Matcher-to-Checks Mapping Table
Matchers with No Direct Replacements
Strategies for Discovery
When asked to "migrate tests to checks", "use package:checks", or

Requirements & configuration

Use this skill when you need to migrate a Dart test suite from the legacy
requires an inspection callback:
3. Find matches() calls (need conversion to RegExp + matchesPattern)
4. Find legacy TypeMatcher.having() calls (which need conversion to .has())

Derived from the skill's own SKILL.md documentation · extracted 2026-07-23

dart migrate to checks package

Source

Repository: https://github.com/dart-lang/skills

dart-migrate-to-checks-package FAQ

What does the dart-migrate-to-checks-package skill do?

|- Replace the usage of `expect` and similar functions from `package:matcher` to `package:checks` equivalents. When to Use This Skill How to Use This Skill (The Workflow)

What does dart-migrate-to-checks-package require?

Use this skill when you need to migrate a Dart test suite from the legacy requires an inspection callback: 3. Find matches() calls (need conversion to RegExp + matchesPattern) 4. Find legacy TypeMatcher.having() calls (which need conversion to .has())

How do I install dart-migrate-to-checks-package?

Run: npx -y skills add https://github.com/dart-lang/skills --skill dart-migrate-to-checks-package --agent claude-code — the source lives at github.com/dart-lang/skills.

Maintain dart-migrate-to-checks-package?

Let people know it's listed here — add the badge (live metrics, light/dark aware) or a plain link to your README or docs.

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npx agentictools info skills/dart-lang-skills-dart-migrate-to-checks-package

The second line is the CLI lookup for this page — handy in READMEs and docs.