Node lint

Skill Paldom/node-skills/skills/node-lint

Agent Skills for maintaining high-quality open-source Node.js, TypeScript, Next.js, and React apps and packages - linting, type safety, testing, packaging and releases, and CI quality gates.

Install

npx -y skills add Paldom/node-skills --skill node-lint

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

One thing to look at

1 stars1 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.

What its author says it does

Copied from the file, not written here

Sets up and tunes linting and formatting for Node/TypeScript projects - Biome as the one-tool option or ESLint flat config plus Prettier, rule tuning, eslintrc-to-flat and ESLint-to-Biome migrations, editor and CI wiring. Use when the user asks to set up or fix linting, formatting, ESLint, Biome, or Prettier. Not for Next.js apps, type checking, or test setup.

The file declares its own license as MIT. That is the author’s claim about this one file, and it is not the same thing as the license GitHub reports for the repository, which is listed with the other numbers below.

SKILL.md

3.5 KB, as published. Nobody here has run it

node-lint

Sets up lint + format so they catch real defects instead of fighting each other. The failures this skill fixes: models write legacy .eslintrc configs that current ESLint majors no longer load, mix two formatters, claim Biome replaces type checking, and reset intentional rule customizations during migrations.

When NOT to use

Next.js apps → nextjs-quality owns eslint-config-next and RSC rules.
Type checking / tsconfig → node-typescript (Biome's type-aware rules are not a tsc replacement — never claim otherwise).
Test setup → node-testing; CI workflow authoring → node-ci.

Workflow

Detect before choosing. Package manager (lockfile), existing configs (.eslintrc*, eslint.config.*, biome.json*, .prettierrc*), framework, and plugin needs (a11y, imports, framework-specific). Plugin needs decide the tool: read the decision table in references/lint-playbook.md.
- Biome — one tool for lint+format, fastest path for TS libraries/apps without exotic plugin needs.
- ESLint (flat config only — modern majors do not load eslintrc) + Prettier — when the plugin ecosystem is required.
- Never two formatters; never ESLint stylistic rules alongside a formatter.
Write the explicit config from the playbook's starter blocks — full config, no reliance on version-varying defaults. Wire package.json scripts (lint, format, lint:fix) with --max-warnings=0 for CI use.
Migrations (when an old setup exists): follow the playbook's path — official flat-config migrator or biome migrate eslint. Diff the effective rule set; preserve intentional customizations; run on the whole codebase and triage new findings before deleting the old config.
Verify:
```
python3 "${CLAUDE_SKILL_DIR}/scripts/check_lint_setup.py"
```
plus a clean run of the chosen tool over the repo (npx biome check . or npx eslint . --max-warnings=0).
Report the tool choice rationale, rules deliberately disabled, and where CI should call the scripts (route the workflow wiring to node-ci).

Output spec

One linter + one formatter, explicit committed config, scripts wired, zero errors/warnings on the current codebase (or a documented triage list), no leftover legacy config files, editor settings noted.

Gotchas

Flat config resolves relative to each linted file's directory in current ESLint majors — monorepo packages can carry their own config layers.
biome migrate eslint maps what it can; rules without Biome equivalents are dropped silently — always diff and list them.
Version-gate everything: tool majors move fast; the playbook marks claims that must be re-verified against official docs at use time.
A lint pass that only silences rules is a failure — tune by fixing signal.

Files

references/lint-playbook.md — decision table, explicit starter configs, migration paths, tuning discipline.
scripts/check_lint_setup.py — deterministic sanity checks (single formatter, no legacy+flat config coexistence, scripts wired); non-zero exit on violations.