@xylabs/error

@xylabs/error

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Install

Using npm:

npm install {{name}}

Using yarn:

yarn add {{name}}

Using pnpm:

pnpm add {{name}}

Using bun:

bun add {{name}}

License

See the LICENSE file for license rights and limitations (LGPL-3.0-only).

Reference

packages

error

### .temp-typedoc

  ### functions

    ### <a id="assertError"></a>assertError

@xylabs/error

---

function assertError(
   value, 
   assert, 
   defaultMessage): undefined;

Throws an Error based on the assert configuration when a value fails validation.

Parameters

value

unknown

The value being validated

assert

AssertConfig | undefined

Assertion config controlling the error message

defaultMessage

string

Fallback message if no custom message is provided

Returns

undefined

    ### <a id="handleError"></a>handleError

@xylabs/error

---

function handleError<T>(error, handler): T;

Invokes the handler if the value is an Error, otherwise re-throws it.

Type Parameters

T

T

Parameters

error

any

The caught value to inspect

handler

(error) => T

Callback invoked with the Error if it is one

Returns

T

The handler's return value

    ### <a id="handleErrorAsync"></a>handleErrorAsync

@xylabs/error

---

function handleErrorAsync<T>(error, handler): Promise<T>;

Async version of handleError. Invokes the async handler if the value is an Error, otherwise re-throws it.

Type Parameters

T

T

Parameters

error

any

The caught value to inspect

handler

(error) => Promise<T>

Async callback invoked with the Error if it is one

Returns

Promise<T>

The handler's resolved return value

  ### type-aliases

    ### <a id="AssertConfig"></a>AssertConfig

@xylabs/error

---

type AssertConfig = string | AssertCallback | boolean;

Configuration for assertion behavior: a static message string, a boolean toggle, or a callback.

Credits

Made with and by XY Labs