Function expect

Inspect a value/object/function (wrapper for node:assert - requires NodeJS)

Param: actual

The actual value/object/function to inspect

Returns

Assertions applicable to the actual value/object/function

expect<T>(fn: () => T): CallbackAssertions<() => T>
Inspect a parameterless function (wrapper for node:assert - requires NodeJS)
Type Parameters
- T
Parameters
- fn: () => T
  The parameterless function
Returns CallbackAssertions<() => T>
Assertions applicable to parameterless functions
expect<T extends Promise<unknown>>(promise: T): PromiseAssertions<T>
Inspect a promise (wrapper for node:assert - requires NodeJS)
Type Parameters
- T extends Promise<unknown>
Parameters
- promise: T
  The promise to inspect
Returns PromiseAssertions<T>
Assertions applicable to promises
expect<T>(actual: T): GeneralAssertions<T>
Inspect any values/object/function other than promises and parameterless functions (wrapper for node:assert - requires NodeJS)
Type Parameters
- T
Parameters
- actual: T
  The actual value/object/function to inspect
Returns GeneralAssertions<T>
Assertions applicable to the actual value