Prototype pollution defense: One test patches Object.prototype.then to intercept promise resolutions, then verifies that pipeTo() and tee() operations don't leak internal values through the prototype chain. This tests a security property that only exists because the spec's promise-heavy internals create an attack surface.
圖像來源，BBC News Chinese
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def __init__(self, db_path: str):
// Synchronous source from in-memory data