Async + Await

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Show Notes

02:55

06:00

• Callback Hell
• Bluebird
• What is a promise?
• Promises are an IOU

• Async + Await IS promises
• What is Async + Await?
• How does the code look?
• Returning values from an await

15:20

• Performance Considerations
• MEGA PROMISES
• Promise.all()
• Here is an example:
• const [weather, store] = Promise.all(getWeather(), getStores());

19:22

• This stuff is 100% native
• Most new Browser APIs are build on Promises
• Fetch()
• Some examples:
• await fetch('https://api.github.com/users/wesbos').then(data => data.json())
• await (await fetch('https://api.github.com/users/wesbos')).json()
• Axios

22:48

27:00

• Snackisodes
• Snack Packs
• Hasty Treats?!!!

28:00

• Making callback-based functions promised basked
• es6-promisify
• util.promisify()

30:00

• Error Handling Methods
• View my slides for some code examples.
• Try/Catch
• High Order Function
• Just handle the error when you callIt().catch(dealWithIt);
• Node's process.on('unhandledRejection') event

36:00

• Browser Support
• Babel it!

38:00

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