From 794202225efb5e29bf35657370fecf12dcb43b23 Mon Sep 17 00:00:00 2001
From: Tianci He <tiancihe@outlook.com>
Date: Tue, 8 Dec 2020 20:14:56 +0800
Subject: [PATCH] feat: add hotkey support for deleting rules and values

---
 biz/webui/htdocs/src/js/index.js | 11 +++++++++++
 biz/webui/htdocs/src/js/util.js  |  6 +++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/biz/webui/htdocs/src/js/index.js b/biz/webui/htdocs/src/js/index.js
index c98e05d7c..5b12124b5 100644
--- a/biz/webui/htdocs/src/js/index.js
+++ b/biz/webui/htdocs/src/js/index.js
@@ -749,6 +749,17 @@ var Index = React.createClass({
         self.importSessions(e);
         e.preventDefault();
       }
+
+      if (
+        (util.IS_MACOS && e.key === 'Backspace' && e.metaKey === true) ||
+        (!util.IS_MACOS && e.key === 'Delete')
+      ) {
+        if (self.state.name === 'rules') {
+          self.removeRules();
+        } else if (self.state.name === 'values') {
+          self.removeValues();
+        }
+      }
     });
 
     function getKey(url) {
diff --git a/biz/webui/htdocs/src/js/util.js b/biz/webui/htdocs/src/js/util.js
index 658a6fc0a..4b1af4493 100644
--- a/biz/webui/htdocs/src/js/util.js
+++ b/biz/webui/htdocs/src/js/util.js
@@ -17,6 +17,10 @@ var dragTarget, dragOffset, dragCallback;
 var logTempId = 0;
 var LEVELS = ['fatal', 'error', 'warn', 'info', 'debug'];
 
+var IS_MACOS = navigator.userAgent.indexOf('Macintosh') >= 0;
+
+exports.IS_MACOS = IS_MACOS;
+
 function noop(_) {
   return _;
 }
@@ -277,7 +281,7 @@ exports.getExtension = function(headers) {
   }
   type = type || getRawType(headers);
   type = type.substring(type.indexOf('/') + 1).toLowerCase();
-  return /\w+/.test(type) ? '.' + RegExp['$&'] : ''; 
+  return /\w+/.test(type) ? '.' + RegExp['$&'] : '';
 };
 
 function getContentType(type) {