Choosing the Right Vitest Environment: jsdom vs Node for Web App Unit Tests
Decide whether to run Vitest tests in jsdom or Node, compare trade‑offs, and see how to configure per‑file overrides for a mixed‑environment test suite.
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vitestFine‑Grained ESLint Linting: Using Overrides to Allow console.log in Tests Only
Use ESLint’s <code>overrides</code> to let <code>console.log</code> in test files while keeping <code>no-console</code> for production code. A practical config, run‑time verification, and common pitfalls are covered.
eslintVitest environment reuse causing global state leakage
Goal Determine whether Vitest creates a new environment instance for each test file when the same environment name (e.g., "node") is used, or if it reuses a single instance across files, potentially leaking global state. Context Vitest’s configuration allows setting the test environment per file or globally via the environment key. The documentation does not