Class AssertionError

Error thrown when an assertion fails.

Example: Usage

import { AssertionError } from "@std/assert";

try {
  throw new AssertionError("foo", { cause: "bar" });
} catch (error) {
  if (error instanceof AssertionError) {
    error.message === "foo"; // true
    error.cause === "bar"; // true
  }
}
Hierarchy
  • Error
    • AssertionError

Constructors

constructor

Properties

cause? message name stack?

Constructors

constructor

  • new AssertionError(message, options?): AssertionError

  • Constructs a new instance.

    Parameters

    • message: string

      The error message.

    • Optionaloptions: ErrorOptions

      Additional options. This argument is still unstable. It may change in the future release.

    Returns AssertionError

Properties

Optionalcause

cause?: unknown

message

message: string

name

name: string

Optionalstack

stack?: string

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Properties