Save hostnameCache in localStorage

src/drivers/webextension/js/driver.js

@@ -41,7 +41,7 @@ function getOption(name, defaultValue = null) {
  * Set a value in localStorage
  */
 function setOption(name, value) {
-  var option = {};
+  const option = {};
 
   option[name] = value;
 
@@ -68,18 +68,12 @@ function post(url, body) {
     method: 'POST',
     body: JSON.stringify(body)
   })
-    .then(response => {
-      wappalyzer.log('POST ' + url + ': ' + response.status, 'driver');
-    })
-    .catch(error => {
-      wappalyzer.log('POST ' + url + ': ' + error, 'driver', 'error');
-    });
+    .then(response => wappalyzer.log(`POST ${url}: ${response.status}`, 'driver'))
+    .catch(error => wappalyzer.log(`POST ${url}: ${error}`, 'driver', 'error'));
 }
 
 fetch('../apps.json')
-  .then(response => {
-    return response.json();
-  })
+  .then(response => response.json())
   .then(json => {
     wappalyzer.apps = json.apps;
     wappalyzer.categories = json.categories;
@@ -90,12 +84,10 @@ fetch('../apps.json')
       .map(categoryId => parseInt(categoryId, 10))
       .sort((a, b) => wappalyzer.categories[a].priority - wappalyzer.categories[b].priority);
   })
-  .catch(error => {
-    wappalyzer.log('GET apps.json: ' + error, 'driver', 'error');
-  });
+  .catch(error => wappalyzer.log(`GET apps.json: ${error}`, 'driver', 'error'));
 
 // Version check
-var version = browser.runtime.getManifest().version;
+let version = browser.runtime.getManifest().version;
 
 getOption('version')
   .then(previousVersion => {
@@ -107,12 +99,10 @@ getOption('version')
       getOption('upgradeMessage', true)
         .then(upgradeMessage => {
           if (upgradeMessage) {
-						/*
             openTab({
               url: wappalyzer.config.websiteURL + 'upgraded?v' + version,
               background: true
             });
-						*/
           }
         });
     }
@@ -123,6 +113,8 @@ getOption('version')
 getOption('dynamicIcon', true);
 getOption('pinnedCategory');
 
+getOption('hostnameCache', {}).then(hostnameCache => wappalyzer.hostnameCache = hostnameCache);
+
 // Run content script on all tabs
 browser.tabs.query({ url: [ 'http://*/*', 'https://*/*' ] })
   .then(tabs => {
@@ -170,8 +162,8 @@ browser.webRequest.onCompleted.addListener(request => {
       wappalyzer.log('Message' + (message.source ? ' from ' + message.source : '') + ': ' + message.id, 'driver');
     }
 
-    var url = wappalyzer.parseUrl(sender.tab ? sender.tab.url : '');
-    var response;
+    let url = wappalyzer.parseUrl(sender.tab ? sender.tab.url : '');
+    let response;
 
     switch ( message.id ) {
       case 'log':
@@ -186,6 +178,8 @@ browser.webRequest.onCompleted.addListener(request => {
       case 'analyze':
         wappalyzer.analyze(url, message.subject, { tab: sender.tab });
 
+				setOption('hostnameCache', wappalyzer.hostnameCache);
+
         break;
       case 'ad_log':
         wappalyzer.cacheDetectedAds(message.subject);
@@ -225,14 +219,14 @@ wappalyzer.driver.document = document;
  * Log messages to console
  */
 wappalyzer.driver.log = (message, source, type) => {
-  console.log('[wappalyzer ' + type + ']', '[' + source + ']', message);
+  console.log(`[wappalyzer ${type}]`, `[${source}]`, message);
 };
 
 /**
  * Display apps
  */
 wappalyzer.driver.displayApps = (detected, meta, context) => {
-  var tab = context.tab;
+  let tab = context.tab;
 
   if (tab === undefined) {
     return;