From f9eb1fde67d8860f7e46f168d3c2f625afca5e4b Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Thu, 11 Apr 2019 10:54:00 +0200
Subject: [PATCH] oops

---
 lib/once.js | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 lib/once.js

diff --git a/lib/once.js b/lib/once.js
new file mode 100644
index 000000000..369ee162e
--- /dev/null
+++ b/lib/once.js
@@ -0,0 +1,8 @@
+module.exports = function (f) {
+    var called;
+    return function () {
+        if (called) { return; }
+        called = true;
+        f.apply(this, Array.prototype.slice.call(arguments));
+    };
+};