How to Successfully Upgrade Your Angular Version from 5 to 6

Описание: Struggling to upgrade Angular from 5 to 6? Follow this detailed guide to resolve your issues and smoothly transition to the latest version.
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This video is based on the question https://stackoverflow.com/q/70111667/ asked by the user 'Bhushan Khaladkar' ( https://stackoverflow.com/u/7436125/ ) and on the answer https://stackoverflow.com/a/70112230/ provided by the user 'Stoobish' ( https://stackoverflow.com/u/15810582/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Successfully Upgrade Your Angular Version from 5 to 6: A Step-by-Step Guide

Upgrading an Angular project can sometimes feel like a daunting task, especially when you encounter issues along the way. If you’re trying to upgrade your Angular version from 5 to 6 and finding that your commands aren’t working, don’t worry! This guide will walk you through a clear and effective method to upgrade your Angular setup with ease.

The Problem: Failed Upgrade Commands

You might find yourself in a situation similar to many others: you've executed commands to upgrade Angular using npx, only to discover that it didn’t work as expected. Here’s an example of the commands you might have used:

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When these commands fail, it can be frustrating, but don't worry—there are alternative, straightforward solutions you can try.

Solution: Upgrade Angular the Right Way

To resolve the issue of upgrading Angular from version 5 to version 6, you have a couple of robust options. Below, I’ll lay out both methods for you.

Method 1: Manual Update via package.json

Open Your package.json File:

Locate the package.json file in the root of your Angular project.

Find the dependencies for -angular/cli and -angular/core.

Update the Versions:

Change the version number for both dependencies to 6.x.x (the latest version in the 6 range).

Install the Updated Packages:

Run the following command in your terminal:

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Method 2: Using CLI Commands

If you prefer using Angular CLI commands, follow these steps:

Install Angular CLI Globally:

Run the following command to install the Angular CLI version 6 globally:

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Install Angular CLI as a Development Dependency:

Execute this command to save Angular CLI as a development dependency in your project:

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Update Angular Core:

Use the Angular update command to get the latest -angular/core:

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Additional Tips

Backup Your Project: Before making significant changes to your project, it’s always a good practice to create a backup to prevent any loss of data.

Check Compatibility: Ensure that all of your other dependencies are compatible with Angular 6, as some packages may require updates as well.

Run Tests: After upgrading, make sure to run your tests to verify that everything is functioning correctly. This helps catch any issues early on.

Conclusion

Upgrading Angular does not have to be a daunting task. By following the methods outlined in this post, you should be able to successfully upgrade from version 5 to 6. Whether choosing to manually update your package.json or using Angular CLI commands, you have the tools at your disposal to enhance your project with the latest features and improvements.

If you encounter further issues or have questions, feel free to reach out for help!