fix lint errors

lib/module.js

@@ -4,7 +4,7 @@ const semver = require('semver')
 
 const logger = consola.withScope('nuxt:http')
 
-function httpModule(_moduleOptions) {
+function httpModule (_moduleOptions) {
   // Combine options
   const moduleOptions = { ...this.options.http, ..._moduleOptions }
 
@@ -72,7 +72,7 @@ function httpModule(_moduleOptions) {
 
   // Convert http:// to https:// if https option is on
   if (options.https === true) {
-    const https = s => s.indexOf('//localhost:') > -1 ? s : s.replace('http://', 'https://')
+    const https = s => s.includes('//localhost:') ? s : s.replace('http://', 'https://')
     options.baseURL = https(options.baseURL)
     options.browserBaseURL = https(options.browserBaseURL)
   }

test/_utils.js

@@ -4,7 +4,7 @@ const defaultConfig = require('./fixture/nuxt.config')
 
 jest.setTimeout(60000)
 
-async function setupMockNuxt(config) {
+async function setupMockNuxt (config) {
   const nuxt = new Nuxt({
     ...defaultConfig,
     ...config,
@@ -24,7 +24,7 @@ async function setupMockNuxt(config) {
   return nuxt
 }
 
-async function setupNuxt(config) {
+async function setupNuxt (config) {
   const nuxt = new Nuxt({
     ...defaultConfig,
     ...config,

test/fixture/api.js

@@ -1,6 +1,6 @@
 module.exports = {
   path: '/test_api',
-  handler(req, res) {
+  handler (req, res) {
     res.end(JSON.stringify({
       url: req.url,
       method: req.method

test/fixture/store/index.js

@@ -1,6 +1,6 @@
 export default {
   actions: {
-    nuxtServerInit({ commit }, ctx) {
+    nuxtServerInit ({ commit }, ctx) {
       if (!ctx.$http) {
         throw new Error('$http is not defined!')
       }