Function getDescriptor

packages/spy/src/index.ts:406–419

(obj: any, method: string | symbol | number)

}

function getDescriptor(obj: any, method: string | symbol | number): [any, PropertyDescriptor] | undefined {
  const objDescriptor = Object.getOwnPropertyDescriptor(obj, method)
  if (objDescriptor) {
    return [obj, objDescriptor]
  }
  let currentProto = Object.getPrototypeOf(obj)
  while (currentProto !== null) {
    const descriptor = Object.getOwnPropertyDescriptor(currentProto, method)
    if (descriptor) {
      return [currentProto, descriptor]
    }
    currentProto = Object.getPrototypeOf(currentProto)
  }
}

function assert(condition: any, message: string): asserts condition {
  if (!condition) {