48 lines
2.3 KiB
Plaintext
48 lines
2.3 KiB
Plaintext
---
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description: 'Learn what Modules are and how can you use them during your custom development with Medusa.'
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---
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import DocCardList from '@theme/DocCardList';
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import Icons from '@theme/Icon';
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# Modules
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In this document, you’ll learn what Modules are and how can you use them during your custom development with Medusa.
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## Overview
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Modules are self-contained, reusable pieces of code that encapsulate specific functionality or features within an ecommerce application. They foster separation of concerns, maintainability, and reusability by organizing code into smaller, independent units that can be easily managed, tested, and integrated with other modules.
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Modules further increase Medusa’s extensibility. Commerce modules, such as the cart engine, can be extended or entirely replaced with your own custom logic. They can also run independently of the core Medusa package, allowing you to utilize the commerce module within a larger commerce ecosystem. For example, you can use the Order module as an Order Management System (OMS) without using Medusa’s core.
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This also applies to core logic such as caching or events systems. You can use modules to integrate any logic or third-party service to handle this logic. This gives you greater flexibility in how you choose your tech stack.
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Modules are created and loaded similarly to plugins. They can be loaded from a local project, or they can be installed and loaded from an NPM package. In the Medusa backend, they’re added as part of the configurations in `medusa-config.js` to use and load them within the backend.
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---
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## Custom Development
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Developers can create their own modules and use them in their Medusa backend. They can also publish these modules to NPM to reuse them across Medusa backend or allow other developers to use them.
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<DocCardList colSize={6} items={[
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{
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type: 'link',
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href: '/development/modules/create',
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label: 'Create a Module',
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customProps: {
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icon: Icons['academic-cap-solid'],
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description: 'Learn how to create a module in Medusa.'
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}
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},
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{
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type: 'link',
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href: '/development/modules/publish',
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label: 'Publish Module',
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customProps: {
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icon: Icons['academic-cap-solid'],
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description: 'Learn how to publish your module on NPM.'
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}
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},
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]} />
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