Error Handling with Observables
When we issue an http request to get or update data, there is always the chance that something will go wrong! The item the user requested isn't found, the updated data doesn't pass the server-side validation, our boss hasn't paid the electric bill and our server is down ... We look at several scenarios: Catch and Rethrow, Catch and Continue, Retry on Error, and Action Streams Links Sample code: https://github.com/DeborahK/Angular-P... Content 00:00 Why error handling? 00:24 Options for handling http errors 00:59 Catch and Rethrow (service) 01:54 Observable of never 03:30 Catch and Rethrow (component) 03:44 EMPTY 03:57 Result of Catch and Rethrow 04:04 Catch and Continue (service) 06:06 Getting a message to the template 06:35 Result of Catch and Continue 06:44 Retry on Error 07:27 RetryWhen 08:24 Action streams 09:54 Wrapping up ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 😊About Me Hey! I'm Deborah Kurata I'm a software developer and YouTube content creator. I speak at conferences such as VS Live and ng-conf. I write articles for freeCodeCamp. And I'm a Pluralsight author with courses in the top 10 most popular (out of 10,000+) over the past 5 years. For my work in support of software developers, I've been recognized with the Microsoft Most Valuable Professional (MVP) award, and I'm a Google Developer Expert (GDE). Contact me on Twitter: / deborahkurata Find my Pluralsight courses: https://www.pluralsight.com/profile/a... Access my freeCodeCamp articles: https://www.freecodecamp.org/news/aut... View my YouTube content: / @deborah_kurata ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ #angular #angulartutorial #bestpractices #demo #errorhandling #exceptionhandling #rxjsangular #angularrxjs #catcherror
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