fb67d90b64
- Split Module and Module Links to their own chapters - Add new docs on db operations and transactions in modules, multiple services, links with custom columns, etc... - Added a list of registered dependencies in a module container
101 lines
2.4 KiB
Plaintext
101 lines
2.4 KiB
Plaintext
export const metadata = {
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title: `${pageNumber} Module Options`,
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}
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# {metadata.title}
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In this chapter, you’ll learn about passing options to your module from the Medusa application’s configurations and using them in the module’s resources.
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## What are Module Options?
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A module can receive options to customize or configure its functionality.
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For example, if you’re creating a module that integrates a third-party service, you’ll want to receive the integration credentials in the options rather than adding them directly in your code.
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---
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## How to Pass Options to a Module?
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To pass options to a module, add an `options` property to the module’s configuration in `medusa-config.js`.
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For example:
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```js title="medusa-config.js"
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module.exports = defineConfig({
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// ...
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modules: {
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helloModuleService: {
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resolve: "./modules/hello",
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options: {
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capitalize: true,
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},
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},
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},
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})
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```
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The `options` property’s value is an object. You can pass any properties you want.
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---
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## Access Module Options in Main Service
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The module’s main service receives the module options as a second parameter.
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For example:
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```ts title="src/modules/hello/service.ts" highlights={[["12"], ["14", "options?: ModuleOptions"], ["17"], ["18"], ["19"]]}
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import { MedusaService } from "@medusajs/framework/utils"
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import MyCustom from "./models/my-custom"
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// recommended to define type in another file
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type ModuleOptions = {
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capitalize?: boolean
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}
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export default class HelloModuleService extends MedusaService({
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MyCustom,
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}){
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protected options_: ModuleOptions
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constructor({}, options?: ModuleOptions) {
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super(...arguments)
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this.options_ = options || {
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capitalize: false,
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}
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}
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// ...
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}
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```
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---
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## Access Module Options in Loader
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The object that a module’s loaders receive as a parameter has an `options` property holding the module's options.
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For example:
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```ts title="src/modules/hello/loaders/hello-world.ts" highlights={[["11"], ["12", "ModuleOptions", "The type of expected module options."], ["16"]]}
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import {
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LoaderOptions,
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} from "@medusajs/framework/modules-sdk"
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// recommended to define type in another file
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type ModuleOptions = {
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capitalize?: boolean
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}
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export default async function helloWorldLoader({
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options,
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}: LoaderOptions<ModuleOptions>) {
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console.log(
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"[HELLO MODULE] Just started the Medusa application!",
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options
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)
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}
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```
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