Documentation / @super-line/core / SuperLineError

Class: SuperLineError<Data>

Defined in: packages/core/src/errors.ts:20

The error type carried end-to-end. Throw one from a handler and the client's promise rejects with the same code (and optional data). Unknown throws become INTERNAL so server internals aren't leaked.

Extends

• Error

Type Parameters

Data

Data = unknown

Constructors

Constructor

new SuperLineError<Data>(code, message?, data?): SuperLineError<Data>

Defined in: packages/core/src/errors.ts:31

Parameters

code

ErrorCode

a SuperLineErrorCode or custom string.

message?

string

human-readable message (defaults to code).

data?

Data

optional structured payload delivered to the client.

Returns

SuperLineError<Data>

Overrides

Error.constructor

Properties

cause?

optional cause?: unknown

Defined in: node_modules/.pnpm/typescript@5.9.3/node_modules/typescript/lib/lib.es2022.error.d.ts:26

Inherited from

Error.cause

---

code

readonly code: ErrorCode

Defined in: packages/core/src/errors.ts:22

The typed error code (e.g. 'FORBIDDEN'), available on the client.

---

data?

readonly optional data?: Data

Defined in: packages/core/src/errors.ts:24

Optional structured data attached to the error, delivered to the client.

---

message

message: string

Defined in: node_modules/.pnpm/typescript@5.9.3/node_modules/typescript/lib/lib.es5.d.ts:1077

Inherited from

Error.message

---

name

name: string

Defined in: node_modules/.pnpm/typescript@5.9.3/node_modules/typescript/lib/lib.es5.d.ts:1076

Inherited from

Error.name

---

stack?

optional stack?: string

Defined in: node_modules/.pnpm/typescript@5.9.3/node_modules/typescript/lib/lib.es5.d.ts:1078

Inherited from

Error.stack

---

stackTraceLimit

static stackTraceLimit: number

Defined in: node_modules/.pnpm/@types+node@22.19.21/node_modules/@types/node/globals.d.ts:68

The Error.stackTraceLimit property specifies the number of stack frames collected by a stack trace (whether generated by new Error().stack or Error.captureStackTrace(obj)).

The default value is 10 but may be set to any valid JavaScript number. Changes will affect any stack trace captured after the value has been changed.

If set to a non-number value, or set to a negative number, stack traces will not capture any frames.

Inherited from

Error.stackTraceLimit

Methods

captureStackTrace()

static captureStackTrace(targetObject, constructorOpt?): void

Defined in: node_modules/.pnpm/@types+node@22.19.21/node_modules/@types/node/globals.d.ts:52

Creates a .stack property on targetObject, which when accessed returns a string representing the location in the code at which Error.captureStackTrace() was called.

const myObject = {};
Error.captureStackTrace(myObject);
myObject.stack;  // Similar to `new Error().stack`

The first line of the trace will be prefixed with ${myObject.name}: ${myObject.message}.

The optional constructorOpt argument accepts a function. If given, all frames above constructorOpt, including constructorOpt, will be omitted from the generated stack trace.

The constructorOpt argument is useful for hiding implementation details of error generation from the user. For instance:

function a() {
  b();
}

function b() {
  c();
}

function c() {
  // Create an error without stack trace to avoid calculating the stack trace twice.
  const { stackTraceLimit } = Error;
  Error.stackTraceLimit = 0;
  const error = new Error();
  Error.stackTraceLimit = stackTraceLimit;

  // Capture the stack trace above function b
  Error.captureStackTrace(error, b); // Neither function c, nor b is included in the stack trace
  throw error;
}

a();

Parameters

targetObject

object

constructorOpt?

Function

Returns

void

Inherited from

Error.captureStackTrace

---

prepareStackTrace()

static prepareStackTrace(err, stackTraces): any

Defined in: node_modules/.pnpm/@types+node@22.19.21/node_modules/@types/node/globals.d.ts:56

Parameters

err

Error

stackTraces

CallSite[]

Returns

any

See

https://v8.dev/docs/stack-trace-api#customizing-stack-traces

Inherited from

Error.prepareStackTrace