Add Error.isError() to ESNext lib

[dirkluijk]

⚙ Compilation target

ESNext

⚙ Library

ESNext

Missing / Incorrect Definition

interface ErrorConstructor {
    /**
     * Indicates whether the argument provided is a built-in Error instance or not.
     */
    isError(error: unknown): error is Error;
}

Sample Code

try {
  // ...
} catch (e) {
  if (Error.isError(e)) {
    // ...
  }
}

Documentation Link

See https://github.com/tc39/proposal-is-error