From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 8 Nov 2018 00:38:48 +0800
Subject: switch to vuepress

---
 node_modules/immediate/lib/messageChannel.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 node_modules/immediate/lib/messageChannel.js

(limited to 'node_modules/immediate/lib/messageChannel.js')

diff --git a/node_modules/immediate/lib/messageChannel.js b/node_modules/immediate/lib/messageChannel.js
new file mode 100644
index 00000000..a6ce360b
--- /dev/null
+++ b/node_modules/immediate/lib/messageChannel.js
@@ -0,0 +1,18 @@
+'use strict';
+
+exports.test = function () {
+  if (global.setImmediate) {
+    // we can only get here in IE10
+    // which doesn't handel postMessage well
+    return false;
+  }
+  return typeof global.MessageChannel !== 'undefined';
+};
+
+exports.install = function (func) {
+  var channel = new global.MessageChannel();
+  channel.port1.onmessage = func;
+  return function () {
+    channel.port2.postMessage(0);
+  };
+};
\ No newline at end of file
-- 
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