assertString()function

assertString(value: unknown, caller: AnyCaller = assertString): asserts value is string
ParamType
valueunknown
The value to assert on. required
callerAnyCaller
Function to attribute a thrown error to (defaults to assertString). Defaults to assertString
Return
asserts value is string
Throws
RequiredError
If value is not a string.

Assert that a value is a string.

Examples

assertString("a"); // Passes.