feat: convert header names to lowercase (nuxt/http#45)

Author: pooya parsa

lib/plugin.js

@@ -4,6 +4,8 @@ import Axios from 'axios'
 // Axios.prototype cannot be modified
 const axiosExtra = {
   setHeader (name, value, scopes = 'common') {
+    name = name.toLowerCase()
+
     for (let scope of Array.isArray(scopes) ? scopes : [ scopes ]) {
       if (!value) {
         delete this.defaults.headers[scope][name];
@@ -14,7 +16,7 @@ const axiosExtra = {
   },
   setToken (token, type, scopes = 'common') {
     const value = !token ? null : (type ? type + ' ' : '') + token
-    this.setHeader('Authorization', value, scopes)
+    this.setHeader('authorization', value, scopes)
   },
   onRequest(fn) {
     this.interceptors.request.use(config => fn(config) || config)

test/fixture/pages/ssr.vue

@@ -12,7 +12,7 @@ let reqCtr = 1
 export default {
   computed: {
     axiosSessionId() {
-      return this.$axios.defaults.headers.common.sessionId
+      return this.$axios.defaults.headers.common.sessionid
     },
 
     axiosEncoding() {