Function assertJsonMap

  • assertJsonMap(value, message?): asserts value is JsonMap

  • Narrows an AnyJson value to a JsonMap if it is type-compatible, or raises an error otherwise.

    Parameters

    • value: Optional<AnyJson>

      The value to test.

    • Optionalmessage: string

      The error message to use if value is not type-compatible.

    Returns asserts value is JsonMap

    Throws

    AssertionFailedError If the value was undefined.

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