Function delay

src/cmd.js:314–343

(nestedCmd, delayMs, options, cmdType, funcName)

}

function delay(nestedCmd, delayMs, options, cmdType, funcName) {
  if (process.env.NODE_ENV !== 'production') {
    throwInvariant(
      isCmd(nestedCmd),
      `${funcName}: first argument must be another Cmd`
    );
    throwInvariant(
      typeof delayMs === 'number',
      `${funcName}: second argument must be a number`
    );
    throwInvariant(
      typeof options === 'object',
      `${funcName}: third argument must be an options object`
    );
    throwInvariant(
      options.scheduledActionCreator === undefined ||
        typeof options.scheduledActionCreator === 'function',
      `${funcName}: scheduledActionCreator option must be a function if specified`
    );
  }

  return Object.freeze({
    [isCmdSymbol]: true,
    type: cmdType,
    nestedCmd,
    delayMs,
    scheduledActionCreator: options.scheduledActionCreator,
    simulate: simulateDelay,
  });
}

function simulateDelay(timerId, nestedSimulation) {
  let result = this.nestedCmd.simulate(nestedSimulation);