1 files changed, 89 insertions, 0 deletions
diff --git a/platform/common/vapi.js b/platform/common/vapi.js
new file mode 100644
index 0000000..d10ae66
--- /dev/null
+++ b/platform/common/vapi.js
@@ -0,0 +1,89 @@
+/*******************************************************************************
+
+    uBlock Origin - a comprehensive, efficient content blocker
+    Copyright (C) 2017-present Raymond Hill
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see {http://www.gnu.org/licenses/}.
+
+    Home: https://github.com/gorhill/uBlock
+*/
+
+'use strict';
+
+/* global HTMLDocument, XMLDocument */
+
+// For background page, auxiliary pages, and content scripts.
+
+/******************************************************************************/
+
+if (
+    self.browser instanceof Object &&
+    self.browser instanceof Element === false
+) {
+    self.chrome = self.browser;
+} else {
+    self.browser = self.chrome;
+}
+
+/******************************************************************************/
+
+// https://bugzilla.mozilla.org/show_bug.cgi?id=1408996#c9
+var vAPI = self.vAPI; // jshint ignore:line
+
+// https://github.com/chrisaljoudi/uBlock/issues/464
+// https://github.com/chrisaljoudi/uBlock/issues/1528
+//   A XMLDocument can be a valid HTML document.
+
+// https://github.com/gorhill/uBlock/issues/1124
+//   Looks like `contentType` is on track to be standardized:
+//   https://dom.spec.whatwg.org/#concept-document-content-type
+
+// https://forums.lanik.us/viewtopic.php?f=64&t=31522
+//   Skip text/plain documents.
+
+if (
+    (
+        document instanceof HTMLDocument ||
+        document instanceof XMLDocument &&
+        document.createElement('div') instanceof HTMLDivElement
+    ) &&
+    (
+        /^image\/|^text\/plain/.test(document.contentType || '') === false
+    ) &&
+    (
+        self.vAPI instanceof Object === false || vAPI.uBO !== true
+    )
+) {
+    vAPI = self.vAPI = { uBO: true };
+}
+
+
+
+
+
+
+
+
+/*******************************************************************************
+
+    DO NOT:
+    - Remove the following code
+    - Add code beyond the following code
+    Reason:
+    - https://github.com/gorhill/uBlock/pull/3721
+    - uBO never uses the return value from injected content scripts
+
+**/
+
+void 0;