Function call

src/core.ts:1628–1648

(path: PropertyPath, args: RpcPayload)

  protected abstract getValue(): {value: unknown, owner: RpcPayload | null};

  call(path: PropertyPath, args: RpcPayload): StubHook {
    try {
      let {value, owner} = this.getValue();
      let followResult = followPath(value, undefined, path, owner);

      if (followResult.hook) {
        return followResult.hook.call(followResult.remainingPath, args);
      }

      // It's a local function.
      if (typeof followResult.value != "function") {
        throw new TypeError(`'${path.join('.')}' is not a function.`);
      }
      let promise = args.deliverCall(followResult.value, followResult.parent);
      return new PromiseStubHook(promise.then(payload => {
        return new PayloadStubHook(payload);
      }));
    } catch (err) {
      return new ErrorStubHook(err);
    }
  }

  map(path: PropertyPath, captures: StubHook[], instructions: unknown[]): StubHook {
    try {