feat: Export API Errors

packages/api/src/index.ts

@@ -8,6 +8,7 @@ import { typeDefs } from './typeDefs'
 import type { Options as OptionsVTEX } from './platforms/vtex'
 
 export * from './__generated__/schema'
+export * from './platforms/errors'
 
 export type Options = OptionsVTEX
 

packages/api/src/platforms/errors.ts

@@ -0,0 +1,34 @@
+type ErrorType = 'BadRequestError' | 'NotFoundError' | 'RedirectError'
+
+interface Extension {
+  type: ErrorType
+  status: number
+}
+
+class FastStoreError<T extends Extension = Extension> extends Error {
+  constructor(public extensions: T, message?: string) {
+    super(message)
+    this.name = 'FastStoreError'
+  }
+}
+
+export class BadRequestError extends FastStoreError {
+  constructor(message?: string) {
+    super({ status: 400, type: 'BadRequestError' }, message)
+  }
+}
+
+export class NotFoundError extends FastStoreError {
+  constructor(message?: string) {
+    super({ status: 404, type: 'NotFoundError' }, message)
+  }
+}
+
+export const isFastStoreError = (error: any): error is FastStoreError =>
+  error?.name === 'FastStoreError'
+
+export const isNotFoundError = (error: any): error is NotFoundError =>
+  error?.extensions?.type === 'NotFoundError'
+
+export const isBadRequestError = (error: any): error is BadRequestError =>
+  error?.extensions?.type === 'BadRequestError'

packages/api/src/platforms/vtex/loaders/collection.ts

@@ -1,7 +1,7 @@
 import DataLoader from 'dataloader'
 import pLimit from 'p-limit'
 
-import { NotFoundError } from '../utils/errors'
+import { NotFoundError } from '../../errors'
 import type { CollectionPageType } from '../clients/commerce/types/Portal'
 import type { Options } from '..'
 import type { Clients } from '../clients'

packages/api/src/platforms/vtex/loaders/sku.ts

@@ -1,7 +1,7 @@
 import DataLoader from 'dataloader'
 
-import { BadRequestError } from '../utils/errors'
 import { enhanceSku } from '../utils/enhanceSku'
+import { BadRequestError, NotFoundError } from '../../errors'
 import type { EnhancedSku } from '../utils/enhanceSku'
 import type { Options } from '..'
 import type { Clients } from '../clients'
@@ -36,11 +36,11 @@ export const getSkuLoader = (_: Options, clients: Clients) => {
     }, {} as Record<string, EnhancedSku>)
 
     const skus = skuIds.map((skuId) => skuBySkuId[skuId])
-    const missingSkus = skus.filter((sku) => !sku)
+    const missingSkus = skuIds.filter((skuId) => !skuBySkuId[skuId])
 
     if (missingSkus.length > 0) {
-      throw new Error(
-        `Search API did not return the following skus: ${missingSkus.join(',')}`
+      throw new NotFoundError(
+        `Search API did not found the following skus: ${missingSkus.join(',')}`
       )
     }