MiddlewareService

Orchestrates dynamic middleware registered through the Medusa Middleware API

Constructors

constructor

**new MiddlewareService**()

Properties

postAuthentication_middlewareType[]Required

preAuthentication_middlewareType[]Required

preCartCreation_RequestHandler<ParamsDictionary, any, any, ParsedQs, Record<string, any>>[]Required

routersRecord<string, Router[]>Required

Methods

addPostAuthentication

**addPostAuthentication**(middleware, options): void

Adds a middleware function to be called after authentication is completed.

Parameters

middlewaremiddlewareHandlerTypeRequired

the middleware function. Should return a middleware function.

optionsRecord<string, unknown>Required

the arguments that will be passed to the middleware

Returns

void

voidvoid

void

---

addPreAuthentication

**addPreAuthentication**(middleware, options): void

Adds a middleware function to be called before authentication is completed.

Parameters

middlewaremiddlewareHandlerTypeRequired

the middleware function. Should return a middleware function.

optionsRecord<string, unknown>Required

the arguments that will be passed to the middleware

Returns

void

voidvoid

void

---

addPreCartCreation

**addPreCartCreation**(middleware): void

Adds a middleware function to be called before cart creation

Parameters

middlewareRequestHandler<ParamsDictionary, any, any, ParsedQs, Record<string, any>>Required

the middleware function. Should return a middleware function.

Returns

void

voidvoid

---

addRouter

**addRouter**(path, router): void

Parameters

pathstringRequired

routerRouterRequired

Returns

void

voidvoid

---

getRouters

**getRouters**(path): Router[]

Parameters

pathstringRequired

Returns

Router[]

Router[]Router[]Required

---

usePostAuthentication

**usePostAuthentication**(app): void

Adds post authentication middleware to an express app.

Parameters

appRouterRequired

the express app to add the middleware to

Returns

void

voidvoid

---

usePreAuthentication

**usePreAuthentication**(app): void

Adds pre authentication middleware to an express app.

Parameters

appRouterRequired

the express app to add the middleware to

Returns

void

voidvoid

---

usePreCartCreation

**usePreCartCreation**(): RequestHandler<ParamsDictionary, any, any, ParsedQs, Record<string, any>>[]

Returns

RequestHandler<ParamsDictionary, any, any, ParsedQs, Record<string, any>>[]

RequestHandler<ParamsDictionary, any, any, ParsedQs, Record<string, any>>[]RequestHandler<ParamsDictionary, any, any, ParsedQs, Record<string, any>>[]Required

---

validateMiddleware_

**validateMiddleware_**(fn): void

Validates a middleware function, throws if fn is not of type function.

Parameters

fnunknownRequired

the middleware function to validate.

Returns

void

voidvoid

nothing if the middleware is a function