fix: #658 polyfill window.external for webkit2gtk > 2.32 (#659)

wailsapp · Apr 9, 2021 · 87df51f · 87df51f
1 parent 163c0d9
commit 87df51f
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Showing 2 changed files with 14 additions and 6 deletions.
diff --git a/runtime/assets/wails.js b/runtime/assets/wails.js
diff --git a/runtime/js/core/main.js b/runtime/js/core/main.js
@@ -1,9 +1,9 @@
 /*
- _ __ _ __ 
+ _ __ _ __
 | | / /___ _(_) /____
 | | /| / / __ `/ / / ___/
-| |/ |/ / /_/ / / (__ ) 
-|__/|__/\__,_/_/_/____/ 
+| |/ |/ / /_/ / / (__ )
+|__/|__/\__,_/_/_/____/
 The lightweight framework for web-like apps
 (c) Lea Anthony 2019-present
 */
@@ -21,6 +21,14 @@ import * as Store from './store';
 window.wails = window.wails || {};
 window.backend = {};
 
+// On webkit2gtk >= 2.32, the external object is not passed
+// to the window context,
+window.external = window.external || {
+ invoke: function(x) {
+ window.webkit.messageHandlers.external.postMessage(x);
+ }
+};
+
 // Setup internal calls
 var internal = {
  NewBinding,
@@ -61,7 +69,7 @@ window.onerror = function (msg, url, lineNo, columnNo, error) {
 };
 
 // Use firebug?
-if( window.usefirebug ) { 
+if( window.usefirebug ) {
  InjectFirebug();
 }
 
@@ -71,4 +79,4 @@ Emit('wails:loaded');
 // Nothing to init in production
 export function Init(callback) {
  callback();
-}
+}