Playwright-based browser test runner for tape-six. Runs each test file in its own browser context (Chromium, Firefox, or WebKit). Works with Node, Deno, and Bun.

Puppeteer-based browser test runner for tape-six. Runs each test file in its own browser context (Chromium or Firefox). Works with Node, Deno, and Bun.

Process-isolated test runner for tape-six. Runs each test file in its own subprocess. Works with Node, Deno, and Bun. Supports TypeScript without transpilation.

Zero-dependency invariant checks that materialize into real tape-six assertions under test, and stay inert (or configurable) in production.

Property-based testing plugin for tape-six powered by fast-check: t.prop() and t.scheduler() tester methods with structured counterexamples, seeds, and replay.