Make axios instantiable

lib/axios.js

@@ -5,7 +5,21 @@ var utils = require('./utils');
 var dispatchRequest = require('./core/dispatchRequest');
 var InterceptorManager = require('./core/InterceptorManager');
 
-var axios = module.exports = function (config) {
+function Axios (defaultConfig) {
+  this.defaultConfig = utils.merge({
+    headers: {},
+    timeout: defaults.timeout,
+    transformRequest: defaults.transformRequest,
+    transformResponse: defaults.transformResponse
+  }, defaultConfig);
+
+  this.interceptors = {
+    request: new InterceptorManager(),
+    response: new InterceptorManager()
+  };
+}
+
+Axios.prototype.request = function (config) {
   // Allow for axios('example/url'[, config]) a la fetch API
   if (typeof config === 'string') {
     config = utils.merge({
@@ -13,13 +27,7 @@ var axios = module.exports = function (config) {
     }, arguments[1]);
   }
 
-  config = utils.merge({
-    method: 'get',
-    headers: {},
-    timeout: defaults.timeout,
-    transformRequest: defaults.transformRequest,
-    transformResponse: defaults.transformResponse
-  }, config);
+  config = utils.merge(this.defaultConfig, { method: 'get' }, config);
 
   // Don't allow overriding defaults.withCredentials
   config.withCredentials = config.withCredentials || defaults.withCredentials;
@@ -28,11 +36,11 @@ var axios = module.exports = function (config) {
   var chain = [dispatchRequest, undefined];
   var promise = Promise.resolve(config);
 
-  axios.interceptors.request.forEach(function (interceptor) {
+  this.interceptors.request.forEach(function (interceptor) {
     chain.unshift(interceptor.fulfilled, interceptor.rejected);
   });
 
-  axios.interceptors.response.forEach(function (interceptor) {
+  this.interceptors.response.forEach(function (interceptor) {
     chain.push(interceptor.fulfilled, interceptor.rejected);
   });
 
@@ -43,6 +51,14 @@ var axios = module.exports = function (config) {
   return promise;
 };
 
+var defaultInstance = new Axios();
+
+var axios = module.exports = bind(Axios.prototype.request, defaultInstance);
+
+axios.createNew = function (defaultConfig) {
+  return new Axios(defaultConfig);
+};
+
 // Expose defaults
 axios.defaults = defaults;
 
@@ -53,36 +69,42 @@ axios.all = function (promises) {
 axios.spread = require('./helpers/spread');
 
 // Expose interceptors
-axios.interceptors = {
-  request: new InterceptorManager(),
-  response: new InterceptorManager()
-};
+axios.interceptors = defaultInstance.interceptors;
 
 // Provide aliases for supported request methods
 (function () {
   function createShortMethods() {
     utils.forEach(arguments, function (method) {
-      axios[method] = function (url, config) {
-        return axios(utils.merge(config || {}, {
+      Axios.prototype[method] = function (url, config) {
+        return this.request(utils.merge(config || {}, {
           method: method,
           url: url
         }));
       };
+      axios[method] = bind(Axios.prototype[method], defaultInstance);
     });
   }
 
   function createShortMethodsWithData() {
     utils.forEach(arguments, function (method) {
-      axios[method] = function (url, data, config) {
-        return axios(utils.merge(config || {}, {
+      Axios.prototype[method] = function (url, data, config) {
+        return this.request(utils.merge(config || {}, {
           method: method,
           url: url,
           data: data
         }));
       };
+      axios[method] = bind(Axios.prototype[method], defaultInstance);
     });
   }
 
   createShortMethods('delete', 'get', 'head');
   createShortMethodsWithData('post', 'put', 'patch');
 })();
+
+// Helpers
+function bind (fn, thisArg) {
+  return function () {
+    return fn.apply(thisArg, Array.prototype.slice.call(arguments));
+  };
+}