How to Use momentJS Globally in VueJS 3?

Описание: Discover a simple solution to leverage `momentJS` globally in your VueJS 3 applications, enhancing your date handling capabilities without repetitive imports.
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This video is based on the question https://stackoverflow.com/q/65654465/ asked by the user 'djcaesar9114' ( https://stackoverflow.com/u/1098303/ ) and on the answer https://stackoverflow.com/a/65654518/ provided by the user 'Boussadjra Brahim' ( https://stackoverflow.com/u/8172857/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Use momentJS Globally in VueJS 3?

When transitioning from VueJS 2 to VueJS 3, many developers face a dilemma: how to reuse libraries and tools globally within the new application structure. One library that often comes into play is momentJS, known for its powerful date handling capabilities. If you're grappling with how to implement momentJS globally in your VueJS 3 project, you’re in the right place!

Let's explore how we can simplify our date formatting process using momentJS without the need for repetitive imports in each component.

Understanding the Problem

In VueJS 2, it was relatively straightforward to make momentJS available globally. You would typically do the following:

Example Code in VueJS 2:

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This allowed you to use $moment directly in any component:

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However, after upgrading to VueJS 3, this method doesn't work as expected. Developers found that they had to import moment manually in each component, leading to repetition and inefficiency.

Solution: Setting Up Global Properties

Happily, VueJS 3 provides a clean solution to this problem by using the app.config.globalProperties feature. This allows us to attach properties to the global application instance for easy access throughout our components.

Step-by-Step Implementation

Configure momentJS in main.js:

First, you need to import moment and configure it appropriately in your main.js file.

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Using $moment in Components:

Now that you've made moment available globally, you can access it simply by referring to this.$moment in any component that uses the Options API. For instance:

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If you're using the Composition API, you will need to access it a bit differently by utilizing the getCurrentInstance function:

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Why This Works

The reason for this method's success is that moment is a utility library, not a Vue plugin. This means it cannot be used with the standard .use() method that Vue provides for plugins, but it can be easily added to the global properties for convenient access.

Conclusion

By following these steps, you can effectively make momentJS accessible throughout your VueJS 3 application without needing to import it in every single component. This not only reduces redundancy but also enhances the maintainability of your codebase, allowing you to focus on creating a better user experience.

Embrace the power of streamlined date handling in your applications, and take your VueJS 3 skills to the next level with momentJS!