feat: add options.init

#21

README.md

@@ -151,6 +151,11 @@ requestInterceptor: (config, { store }) => {
 
 Function for manipulating axios responses. 
 
+### `init`
+- Default: `null`
+
+Function `init(axios, ctx)` to do additional things with axios.
+
 ### `errorHandler`
 - Default: (Return promise rejection with error)
 

lib/plugin.template.js

@@ -126,7 +126,12 @@ export default (ctx, inject) => {
     headers
   })
 
-  <% if(options.credentials) { %>
+  // Custom init hook
+  <% if (options.init) { %>
+  const initHook = <%= serialize(options.init).replace('init(', 'function(').replace('function function', 'function') %>
+  <% } %>
+
+  <% if (options.credentials) { %>
   // Send credentials only to relative and API Backend requests
   axios.interceptors.request.use(config => {
     if (config.withCredentials === undefined) {
@@ -167,7 +172,7 @@ export default (ctx, inject) => {
   const resInter = <%= serialize(options.responseInterceptor).replace('responseInterceptor(', 'function(').replace('function function', 'function') %>
   axios.interceptors.response.use(config => resInter(config, ctx))
   <% } %>
-
+  
   // Error handler
   axios.interceptors.response.use(undefined, errorHandler.bind(ctx));
 
@@ -176,6 +181,10 @@ export default (ctx, inject) => {
   axios.interceptors.response.use(undefined, customErrorHandler.bind(ctx))
   <% } %>
 
+  <% if (options.init) { %>
+  await initHook(axios, ctx)
+  <% } %>
+
   // Inject axios to the context as $axios
   inject('axios', axios)