Adding more experimental types

framework/bigcommerce/api/cart/add-item.ts

@@ -1,9 +1,9 @@
 import { normalizeCart } from '@framework/lib/normalize'
 import { parseCartItem } from '../utils/parse-item'
 import getCartCookie from '../utils/get-cart-cookie'
-import type { CartHandlers } from '.'
+import type { CartEndpoint } from '.'
 
-const addItem: CartHandlers['addItem'] = async ({
+const addItem: CartEndpoint['operations']['addItem'] = async ({
   res,
   body: { cartId, item },
   config,

framework/bigcommerce/api/cart/get-cart.ts

@@ -2,10 +2,10 @@ import { normalizeCart } from '@framework/lib/normalize'
 import { BigcommerceApiError } from '../utils/errors'
 import getCartCookie from '../utils/get-cart-cookie'
 import type { BigcommerceCart } from '../../types'
-import type { CartHandlers } from '.'
+import type { CartEndpoint } from '.'
 
 // Return current cart info
-const getCart: CartHandlers['getCart'] = async ({
+const getCart: CartEndpoint['operations']['getCart'] = async ({
   res,
   body: { cartId },
   config,

framework/bigcommerce/api/cart/index.ts

@@ -1,4 +1,4 @@
-import { EndpointSchema } from '@commerce/api'
+import { EndpointSchema, GetAPISchema } from '@commerce/api'
 import getCart from './get-cart'
 import addItem from './add-item'
 import updateItem from './handlers/update-item'
@@ -10,25 +10,27 @@ import type {
   RemoveCartItemHandlerBody,
   Cart,
 } from '../../types'
-import type { CommerceAPIEndpoints } from '..'
+import type { CommerceAPI } from '..'
 
-export type CartEndpointSchema = EndpointSchema<
-  'cart',
+export type CartAPI = GetAPISchema<
+  CommerceAPI,
   {
-    options: {}
-    operations: {
-      getCart: {
-        data: Cart | null
-        body: GetCartHandlerBody
-        options: { yay: string }
+    endpoint: {
+      options: {}
+      operations: {
+        getCart: {
+          data: Cart | null
+          body: GetCartHandlerBody
+          options: { yay: string }
+        }
+        addItem: { data: Cart; body: AddCartItemHandlerBody; options: {} }
+        updateItem: { data: Cart; body: UpdateCartItemHandlerBody; options: {} }
+        removeItem: { data: Cart; body: RemoveCartItemHandlerBody; options: {} }
       }
-      addItem: { data: Cart; body: AddCartItemHandlerBody; options: {} }
-      updateItem: { data: Cart; body: UpdateCartItemHandlerBody; options: {} }
-      removeItem: { data: Cart; body: RemoveCartItemHandlerBody; options: {} }
     }
   }
 >
 
-export type CartAPI = CommerceAPIEndpoints['cart']
+export type CartEndpoint = CartAPI['endpoint']
 
 export const operations = { getCart, addItem }

framework/bigcommerce/api/index.ts

@@ -109,15 +109,17 @@ export type Provider = typeof provider
 export type EndpointsSchema = { cart: CartEndpointSchema }
 
 export class CommerceAPI<
-  P extends Provider = Provider,
-  E extends EndpointsSchema = EndpointsSchema
-> extends CoreCommerceAPI<P, E> {
+  P extends Provider = Provider
+> extends CoreCommerceAPI<P> {
   constructor(readonly provider: P = provider) {
     super(provider)
   }
 }
 
-export type CommerceAPIEndpoints = GetEndpointsSchema<CommerceAPI>
+export type CommerceAPIEndpoints = GetEndpointsSchema<
+  CommerceAPI,
+  EndpointsSchema
+>
 
 export function getConfig(userConfig?: Partial<BigcommerceConfig>) {
   return config.getConfig(userConfig)

framework/commerce/api/endpoints/cart.ts

@@ -1,9 +1,12 @@
 import type { APIEndpoint } from '../utils/types'
 import { CommerceAPIError } from '../utils/errors'
 import isAllowedOperation from '../utils/is-allowed-operation'
-import type { CommerceAPI, CartHandlers } from '..'
+import type { GetAPISchema, CommerceAPI, CartSchema } from '..'
 
-const cartApi: APIEndpoint<CommerceAPI, CartHandlers<any>> = async (ctx) => {
+const cartApi: GetAPISchema<
+  CommerceAPI,
+  CartSchema
+>['endpoint']['handler'] = async (ctx) => {
   const { req, res, handlers, config } = ctx
 
   if (

framework/commerce/api/index.ts

@@ -46,6 +46,36 @@ export type CartHandlers2<
   removeItem: APIHandler<any, CartHandlersBase<C>, Cart, any>
 }
 
+export type CartSchema = {
+  endpoint: {
+    options: {}
+    operations: {
+      getCart: { data?: Cart | null; body?: any }
+      addItem: { data?: Cart; body?: any }
+      updateItem: { data?: Cart; body?: any }
+      removeItem: { data?: Cart; body?: any }
+    }
+  }
+}
+
+export type APISchemas = CartSchema
+
+export type GetAPISchema<
+  C extends CommerceAPI,
+  S extends APISchemas = APISchemas
+> = {
+  schema: S
+  endpoint: EndpointContext2<C, S['endpoint']>
+}
+
+export type EndpointContext2<
+  C extends CommerceAPI,
+  E extends EndpointSchemaBase
+> = {
+  handler: Endpoint<C, E>
+  operations: EndpointHandlers<C, E>
+}
+
 export type EndpointsSchema = {
   cart?: {
     options: {}
@@ -60,17 +90,16 @@ export type EndpointsSchema = {
 
 export type GetEndpointsSchema<
   C extends CommerceAPI,
-  Schema extends EndpointsSchema = C extends CommerceAPI<any, infer E>
-    ? E
-    : never
+  Schema extends EndpointsSchema
 > = {
-  [E in keyof EndpointsSchema]-?: Schema[E] & {
-    endpoint: Endpoint<C, NonNullable<Schema[E]>>
-    handlers: EndpointHandlers<C, NonNullable<Schema[E]>>
-  }
+  [E in keyof EndpointsSchema]-?: {
+    schema: Schema[E]
+  } & EndpointContext<C, NonNullable<Schema[E]>>
 }
 
-type X = Endpoint<CommerceAPI, NonNullable<EndpointsSchema['cart']>>
+export type GetEndpointsFromSchema<T> = T[keyof T] extends { endpoint: infer E }
+  ? E
+  : never
 
 export type EndpointSchemaBase = {
   options: {}
@@ -111,10 +140,6 @@ export type EndpointHandlers<
   >
 }
 
-export type CommerceEndpointsSchema<C> = C extends CommerceAPI<any, infer E>
-  ? E
-  : never
-
 export type HandlerOperations<E> = E extends APIEndpoint<any, any, infer T>
   ? T
   : never
@@ -127,10 +152,15 @@ export type APIProvider = {
   config: CommerceAPIConfig
 }
 
-export class CommerceAPI<
-  P extends APIProvider = APIProvider,
-  E extends EndpointsSchema = EndpointsSchema
-> {
+export type EndpointContext<
+  C extends CommerceAPI,
+  E extends EndpointSchemaBase
+> = {
+  endpoint: Endpoint<C, E>
+  operations: EndpointHandlers<C, E>
+}
+
+export class CommerceAPI<P extends APIProvider = APIProvider> {
   constructor(readonly provider: P) {
     this.provider = provider
   }
@@ -146,12 +176,12 @@ export class CommerceAPI<
     Object.assign(this.provider.config, newConfig)
   }
 
-  endpoint(context: {
-    handler: E
-    config?: P['config']
-    operations: HandlerOperations<typeof context.handler>
-    options?: HandlerOptions<typeof context.handler>
-  }): NextApiHandler {
+  endpoint<E extends GetAPISchema<this>>(
+    context: E['endpoint'] & {
+      config?: P['config']
+      options?: E['schema']['endpoint']['options']
+    }
+  ): NextApiHandler {
     const commerce = this
     const cfg = this.getConfig(context.config)
 
@@ -162,7 +192,7 @@ export class CommerceAPI<
         commerce,
         config: cfg,
         handlers: context.operations,
-        options: context.options,
+        options: context.options ?? {},
       })
     }
   }