For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt, and this page is available as Markdown at /reference/promise.md.
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    Promise

    allKeyed
    Resolves an object of promises concurrently, returning an object with the same keys and resolved values.
    delay
    Delays code execution for a specified amount of time.
    limitAsync
    Creates a new function that limits the maximum number of concurrent executions of an async function.
    Mutex
    Ensures that multiple asynchronous tasks do not execute simultaneously.
    Semaphore
    Limits the number of asynchronous tasks that can execute simultaneously.
    timeout
    Returns a Promise that throws a TimeoutError after the specified time.
    withTimeout
    Sets a time limit on an asynchronous function, throwing a TimeoutError if it doesn't complete within the specified time.