Allow configuring axios, this enables eg passing an axios adapter which runs outside of node

index.d.ts

@@ -1,10 +1,13 @@
+import type { AxiosRequestConfig } from "axios";
+
 type Identifier = `${string}/${string}:${string}`;
 
 declare module "replicate" {
   export interface ReplicateOptions {
     auth: string;
     userAgent: string;
     baseUrl?: string;
+    axiosConfig?: Partial<Omit<AxiosRequestConfig, "url" | "method">>;
   }
 
   export interface Collection {

index.js

@@ -38,6 +38,7 @@ class Replicate {
       options.userAgent || `replicate-javascript/${packageJSON.version}`;
     this.baseUrl = options.baseUrl || 'https://api.replicate.com/v1';
     this.instance = axios.create({
+      ...options.axiosConfig,
       baseURL: this.baseUrl,
       headers: {
         Authorization: `Token ${this.auth}`,

index.test.js

@@ -12,6 +12,16 @@ describe('Replicate client', () => {
     expect(clientWithoutBaseUrl.baseUrl).toBe('https://api.replicate.com/v1');
   });
 
+  test('Constructor passes through axios options', async () => {
+    const adapter = jest.fn(() => Promise.resolve({}));
+    const clientWithAxiosOptions = new Replicate({
+      axiosConfig: { adapter },
+    });
+
+    await clientWithAxiosOptions.collections.get('text-to-image');
+    expect(adapter).toHaveBeenCalled();
+  });
+
   describe('collections.get', () => {
     test('Calls the correct API route', async () => {
       client.request = jest.fn();