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Function: validateAndConvert()

function validateAndConvert<T>(
    value: unknown,
    validator: (val: unknown) => val is T,
    errorMessage?: string
): T;

Defined in: shared/utils/typeHelpers.ts:213

Type-safe conversion from unknown to a specific type with validation.

Type Parameters​

T​

T

Parameters​

value​

unknown

Unknown value to convert

validator​

(val: unknown) => val is T

Validation function that returns true if value is of type T

errorMessage?​

string

Returns​

T

Validated value of type T

Remarks​

Use this instead of direct type assertions when you can validate the type. Provides runtime safety in addition to compile-time types.

Throws​

Error if validation fails