tryError API Documentation v0.0.1-alpha.1

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tryError API Documentation / withDefaultFn

Function: withDefaultFn()

function withDefaultFn<T, E>(result, getDefault): T;

Defined in: utils.ts:287

Provide a default value using a function for error cases

Type Parameters

T

T

E

E extends TryError<string>

Parameters

result

TryResult<T, E>

Result that might be an error

getDefault

(error) => T

Function to generate default value

Returns

T

The success value or computed default value

Example

const user = withDefaultFn(userResult, (error) => ({
  id: "unknown",
  name: `Guest (${error.type})`,
}));