canHandle example with ask-sdk-core helpers

canHandle.ts

import { HandlerInput, getRequestType, getIntentName } from 'ask-sdk-core';

const PlayStreamRequestTypes = ['LaunchRequest', 'IntentRequest'];
const PlayStreamRequestIntentNames = [
  'PlayStreamIntent',
  'AMAZON.ResumeIntent',
  'AMAZON.LoopOnIntent',
  'AMAZON.NextIntent',
  'AMAZON.PreviousIntent',
  'AMAZON.RepeatIntent',
  'AMAZON.ShuffleOnIntent',
  'AMAZON.StartOverIntent',
];

const IntentHandler = {
  canHandle(handlerInput: HandlerInput) {
    return PlayStreamRequestTypes.some((type) => type === getRequestType(handlerInput.requestEnvelope))
      && PlayStreamRequestIntentNames.some((name) => name === getIntentName(handlerInput.requestEnvelope));
  },
  //...
}

//...