Node Express REST API - Request Validation Tutorial

Published: 13 March 2024
on channel: Dev Shack Coding Academy

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Learn how to safeguard your Node.js and Express REST API's by validating incoming HTTP requests. In this tutorial I will show you how to use a powerful NPM package to filter out unwanted data.

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0:00 - Intro
0:16 - Installing our dependencies
0:28 - Adjusting NPM scripts to use nodemon
0:42 - Implementing the express server code
1:45 - Creating a POST request handler
2:35 - Testing our POST request handler with cURL
3:16 - Request handler validation explanation
3:53 - Installing validate.js
4:25 - Implementing validate.single method
6:02 - Inspecting the validate.single output
6:29 - Adding a custom error message
6:54 - Using conditional logic to return a 400 bad request error
7:43 - Lesson conclusion

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