Add eslint-plugin-yamllint for YAML 1.1 safety#50
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gtbuchanan merged 6 commits intomainfrom Apr 21, 2026
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Enable yml/no-trailing-zeros and yml/require-string-key to catch subtle YAML value bugs that eslint-plugin-yml supports but the recommended preset does not enable. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Implements yamllint-equivalent rules as native ESLint rules using the yaml npm package — no Python dependency required. Rules: truthy (auto-fixable), octal-values, anchors, document-start (auto-fixable), document-end (auto-fixable). Integrates into eslint-config alongside eslint-plugin-yml. Disables document-start for pnpm-workspace.yaml (Renovate strips the header). Autofixes missing --- markers in existing YAML files. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Add @gtbuchanan/eslint-plugin-yamllint to the e2e fixture's workspaceDeps so the tarball is installed alongside eslint-config during isolated testing. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Add eslint-plugin-yamllint to workspaceDeps and update YAML test to include --- document start marker expected by the new yamllint/document-start rule. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Verify truthy and octal-values rules fire through the full eslint-config pipeline on YAML files. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Add README with yamllint rule comparison table showing what each tool covers and why only 5 rules are implemented here. Update AGENTS.md structure and linter sections. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
@gtbuchanan/eslint-plugin-yamllint— native ESLint rules implementing yamllint gap coverage (truthy, octal-values, anchors, document-start, document-end)yml/no-trailing-zerosandyml/require-string-keyin existing eslint-plugin-yml config---document start markers in 9 YAML filesdocument-startrule forpnpm-workspace.yaml(Renovate strips it)Test plan
pnpm checkpasses (24 turbo tasks, typecheck + lint + tests)🤖 Generated with Claude Code