Add: close source tab after install

background/background.js

@@ -1,6 +1,6 @@
 /* global dbExec, getStyles, saveStyle */
 /* global handleCssTransitionBug */
-/* global usercssHelper */
+/* global usercssHelper openEditor */
 'use strict';
 
 // eslint-disable-next-line no-var
@@ -334,9 +334,36 @@ function onRuntimeMessage(request, sender, sendResponse) {
     case 'initUsercssInstallPage':
       usercssHelper.initInstallPage(sender.tab.id, request).then(sendResponse);
       return KEEP_CHANNEL_OPEN;
+
+    case 'closeTab':
+      closeTab(sender.tab.id, request).then(sendResponse);
+      return KEEP_CHANNEL_OPEN;
+
+    case 'openEditor':
+      openEditor(request.id);
+      return;
   }
 }
 
+function closeTab(tabId, request) {
+  return new Promise(resolve => {
+    if (request.tabId) {
+      tabId = request.tabId;
+    }
+    chrome.tabs.remove(tabId, () => {
+      const {lastError} = chrome.runtime;
+      if (lastError) {
+        resolve({
+          status: 'error',
+          error: lastError.message || String(lastError)
+        });
+        return;
+      }
+      resolve({status: 'success'});
+    });
+  });
+}
+
 function injectContent(tabId, {files}) {
   return Promise.all(files.map(inject))
     .then(() => ({status: 'success'}))

background/storage.js

@@ -1,5 +1,4 @@
 /* global LZString */
-/* global openEditor */
 
 'use strict';
 
@@ -457,10 +456,6 @@ function saveStyle(style) {
         style, codeIsUpdated, reason,
       });
     }
-    if (style.usercssData && !existed && reason === 'update') {
-      // open the editor for usercss with the first install?
-      openEditor(style.id);
-    }
     return style;
   }
 }

content/install-user-css.js

@@ -99,6 +99,14 @@ function initUsercssInstall() {
         case 'liveReloadStop':
           watcher.stop();
           break;
+
+        case 'closeTab':
+          if (history.length > 1) {
+            history.back();
+          } else {
+            runtimeSend({method: 'closeTab'});
+          }
+          break;
       }
     });
   });

install-usercss/install-usercss.js

@@ -184,6 +184,12 @@
 
         updateMeta(result);
 
+        runtimeSend({method: 'openEditor', id: result.id});
+
+        if (!liveReload) {
+          port.postMessage({method: 'closeTab'});
+        }
+
         window.dispatchEvent(new CustomEvent('installed'));
       })
       .catch(err => {