Adding TypeScript definitions for adapters

axios.d.ts

@@ -1,21 +1,30 @@
-export interface AxiosDataTransformer {
+export interface AxiosTransformer {
   (data: any): any;
 }
 
+export interface AxiosAdapter {
+  (config: AxiosRequestConfig): AxiosPromise;
+}
+
+export interface AxiosBasicCredentials {
+  username: string;
+  password: string;
+}
+
 export interface AxiosRequestConfig {
   url?: string;
   method?: string;
   baseURL?: string;
-  transformRequest?: AxiosDataTransformer | AxiosDataTransformer[];
-  transformResponse?: AxiosDataTransformer | AxiosDataTransformer[];
+  transformRequest?: AxiosTransformer | AxiosTransformer[];
+  transformResponse?: AxiosTransformer | AxiosTransformer[];
   headers?: any;
   params?: any;
   paramsSerializer?: (params: any) => string;
   data?: any;
   timeout?: number;
   withCredentials?: boolean;
-  adapter?: any;
-  auth?: any;
+  adapter?: AxiosAdapter;
+  auth?: AxiosBasicCredentials;
   responseType?: string;
   xsrfCookieName?: string;
   xsrfHeaderName?: string;
@@ -50,7 +59,7 @@ export interface Promise<V> {
 export interface AxiosPromise extends Promise<AxiosResponse> {
 }
 
-export interface InterceptorManager<V> {
+export interface AxiosInterceptorManager<V> {
   use(onFulfilled: (value: V) => V | Promise<V>, onRejected?: (error: any) => any): number;
   eject(id: number): void;
 }
@@ -58,8 +67,8 @@ export interface InterceptorManager<V> {
 export interface AxiosInstance {
   defaults: AxiosRequestConfig;
   interceptors: {
-    request: InterceptorManager<AxiosRequestConfig>;
-    response: InterceptorManager<AxiosResponse>;
+    request: AxiosInterceptorManager<AxiosRequestConfig>;
+    response: AxiosInterceptorManager<AxiosResponse>;
   };
   request(config: AxiosRequestConfig): AxiosPromise;
   get(url: string, config?: AxiosRequestConfig): AxiosPromise;

test/typescript/axios.ts

@@ -1,4 +1,4 @@
-import axios, { AxiosRequestConfig, AxiosResponse, AxiosError, AxiosInstance } from '../../';
+import axios, { AxiosRequestConfig, AxiosResponse, AxiosInstance, AxiosAdapter } from '../../';
 import { Promise } from 'es6-promise';
 
 axios.get('/user?ID=12345')
@@ -157,6 +157,8 @@ instance.get('/user', {
     console.log(response);
   });
 
+// Interceptors
+
 const requestInterceptorId: number = axios.interceptors.request.use(
   (config: AxiosRequestConfig) => config,
   (error: any) => Promise.reject(error)
@@ -186,3 +188,18 @@ axios.interceptors.response.use(
 
 axios.interceptors.response.use((response: AxiosResponse) => response);
 axios.interceptors.response.use((response: AxiosResponse) => Promise.resolve(response));
+
+// Adapters
+
+const adapter: AxiosAdapter = (config: AxiosRequestConfig) => {
+  const response: AxiosResponse = {
+    data: 'foo',
+    status: 200,
+    statusText: 'OK',
+    headers: { 'X-FOO': 'bar' },
+    config: config,
+  };
+  return Promise.resolve(response);
+};
+
+axios.defaults.adapter = adapter;