Move and export errorInterceptor

src/lib/seam/connect/client.ts

@@ -1,21 +1,11 @@
-import axios, {
-  type AxiosError,
-  type AxiosInstance,
-  type AxiosRequestConfig,
-  isAxiosError,
-} from 'axios'
+import axios, { type AxiosInstance, type AxiosRequestConfig } from 'axios'
 // @ts-expect-error https://github.com/svsool/axios-better-stacktrace/issues/12
 import axiosBetterStacktrace from 'axios-better-stacktrace'
 import axiosRetry, { type AxiosRetry, exponentialDelay } from 'axios-retry'
 
 import { paramsSerializer } from 'lib/params-serializer.js'
 
-import type { ApiErrorResponse } from './api-error-type.js'
-import {
-  SeamHttpApiError,
-  SeamHttpInvalidInputError,
-  SeamHttpUnauthorizedError,
-} from './seam-http-error.js'
+import { errorInterceptor } from './error-interceptor.js'
 
 export type Client = AxiosInstance
 
@@ -48,55 +38,3 @@ export const createClient = (options: ClientOptions): AxiosInstance => {
 
   return client
 }
-
-const errorInterceptor = async (err: unknown): Promise<void> => {
-  if (!isAxiosError(err)) {
-    throw err
-  }
-
-  const status = err.response?.status
-  const headers = err.response?.headers
-  const requestId = headers?.['seam-request-id'] ?? ''
-
-  if (status == null) throw err
-
-  if (status === 401) {
-    throw new SeamHttpUnauthorizedError(requestId)
-  }
-
-  if (!isApiErrorResponse(err)) throw err
-
-  const { response } = err
-  if (response == null) throw err
-
-  const { type } = response.data.error
-
-  const args = [response.data.error, status, requestId] as const
-
-  if (type === 'invalid_input') throw new SeamHttpInvalidInputError(...args)
-  throw new SeamHttpApiError(...args)
-}
-
-const isApiErrorResponse = (
-  err: AxiosError,
-): err is AxiosError<ApiErrorResponse> => {
-  const headers = err.response?.headers
-  if (headers == null) return false
-
-  const contentType = headers['content-type']
-  if (
-    typeof contentType === 'string' &&
-    !contentType.startsWith('application/json')
-  ) {
-    return false
-  }
-
-  const data = err.response?.data as any
-  if (typeof data === 'object') {
-    return (
-      'error' in data && typeof data.error === 'object' && 'type' in data.error
-    )
-  }
-
-  return false
-}

src/lib/seam/connect/error-interceptor.ts

@@ -0,0 +1,62 @@
+import { type AxiosError, isAxiosError } from 'axios'
+
+import type { ApiErrorResponse } from './api-error-type.js'
+import {
+  SeamHttpApiError,
+  SeamHttpInvalidInputError,
+  SeamHttpUnauthorizedError,
+} from './seam-http-error.js'
+
+export const errorInterceptor = async (err: unknown): Promise<void> => {
+  if (!isAxiosError(err)) throw err
+
+  const status = err.response?.status
+  const headers = err.response?.headers
+  const requestId = headers?.['seam-request-id'] ?? ''
+
+  if (status == null) throw err
+
+  if (status === 401) {
+    throw new SeamHttpUnauthorizedError(requestId)
+  }
+
+  if (!isApiErrorResponse(err)) throw err
+
+  const { response } = err
+  if (response == null) throw err
+
+  const { type } = response.data.error
+
+  const args = [response.data.error, status, requestId] as const
+
+  if (type === 'invalid_input') throw new SeamHttpInvalidInputError(...args)
+  throw new SeamHttpApiError(...args)
+}
+
+const isApiErrorResponse = (
+  err: AxiosError,
+): err is AxiosError<ApiErrorResponse> => {
+  const headers = err.response?.headers
+  if (headers == null) return false
+
+  const contentType = headers['content-type']
+  if (
+    typeof contentType === 'string' &&
+    !contentType.startsWith('application/json')
+  ) {
+    return false
+  }
+
+  const data = err.response?.data
+  if (typeof data === 'object' && data != null) {
+    return (
+      'error' in data &&
+      typeof data.error === 'object' &&
+      data.error != null &&
+      'type' in data.error &&
+      typeof data.error === 'string'
+    )
+  }
+
+  return false
+}

src/lib/seam/connect/index.ts

@@ -1,3 +1,4 @@
+export * from './error-interceptor.js'
 export * from './options.js'
 export * from './routes/index.js'
 export * from './seam-http.js'

src/lib/seam/connect/seam-http-error.ts

@@ -1,23 +1,5 @@
 import type { ApiError } from './api-error-type.js'
 
-export const isSeamHttpApiError = (
-  error: unknown,
-): error is SeamHttpApiError => {
-  return error instanceof SeamHttpApiError
-}
-
-export const isSeamHttpInvalidInputError = (
-  error: unknown,
-): error is SeamHttpInvalidInputError => {
-  return error instanceof SeamHttpInvalidInputError
-}
-
-export const isSeamHttpUnauthorizedError = (
-  error: unknown,
-): error is SeamHttpUnauthorizedError => {
-  return error instanceof SeamHttpUnauthorizedError
-}
-
 export class SeamHttpApiError extends Error {
   code: string
   statusCode: number
@@ -36,6 +18,12 @@ export class SeamHttpApiError extends Error {
   }
 }
 
+export const isSeamHttpApiError = (
+  error: unknown,
+): error is SeamHttpApiError => {
+  return error instanceof SeamHttpApiError
+}
+
 export class SeamHttpUnauthorizedError extends SeamHttpApiError {
   override code: 'unauthorized'
   override statusCode: 401
@@ -50,6 +38,12 @@ export class SeamHttpUnauthorizedError extends SeamHttpApiError {
   }
 }
 
+export const isSeamHttpUnauthorizedError = (
+  error: unknown,
+): error is SeamHttpUnauthorizedError => {
+  return error instanceof SeamHttpUnauthorizedError
+}
+
 export class SeamHttpInvalidInputError extends SeamHttpApiError {
   override code: 'invalid_input'
 
@@ -60,3 +54,9 @@ export class SeamHttpInvalidInputError extends SeamHttpApiError {
     this.code = 'invalid_input'
   }
 }
+
+export const isSeamHttpInvalidInputError = (
+  error: unknown,
+): error is SeamHttpInvalidInputError => {
+  return error instanceof SeamHttpInvalidInputError
+}