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Function: isNumber()

isNumber(value: unknown): value is number

Defined in: shared/utils/typeGuards.ts:29

Checks whether a value is a number excluding NaN.

Parameters​

value​

unknown

Value to evaluate.

Returns​

value is number

true when the value is a number and not NaN.

Remarks​

This guard considers both positive and negative infinity as numbers. Use isFiniteNumber when infinities should be rejected.