1 files changed, 25 insertions, 0 deletions
diff --git a/src/civetweb/src/third_party/duktape-1.5.2/polyfills/performance-now.js b/src/civetweb/src/third_party/duktape-1.5.2/polyfills/performance-now.js
new file mode 100644
index 000000000..dfb0a1d6e
--- /dev/null
+++ b/src/civetweb/src/third_party/duktape-1.5.2/polyfills/performance-now.js
@@ -0,0 +1,25 @@
+/*
+ *  Performance.now() polyfill
+ *
+ *  http://www.w3.org/TR/hr-time/#sec-high-resolution-time
+ *
+ *  Dummy implementation which uses the Date built-in and has no higher
+ *  resolution.  If/when Duktape has a built-in high resolution timer
+ *  interface, reimplement this.
+ */
+
+var _perfNowZeroTime = Date.now();
+
+if (typeof Performance === 'undefined') {
+    Object.defineProperty(this, 'Performance', {
+        value: {},
+        writable: true, enumerable: false, configurable: true
+    });
+}
+if (typeof Performance.now === 'undefined') {
+    Object.defineProperty(Performance, 'now', {
+        value: function () {
+            return Date.now() - _perfNowZeroTime;
+        }, writable: true, enumerable: false, configurable: true
+    });
+}