Initial commit

lib/assets/javascripts/builder/helpers/browser-detect.js

@@ -0,0 +1,34 @@
+/**
+ * Just provide info about the current browser
+ */
+
+module.exports = function () {
+  var ua = navigator.userAgent;
+  var tem;
+  var M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
+  if (/trident/i.test(M[1])) {
+    tem = /\brv[ :]+(\d+)/g.exec(ua) || [];
+    return {
+      name: 'IE ',
+      version: (tem[1] || '')
+    };
+  }
+  if (M[1] === 'Chrome') {
+    tem = ua.match(/\bOPR\/(\d+)/);
+    if (tem != null) {
+      return {
+        name: 'Opera',
+        version: tem[1]
+      };
+    }
+  }
+  M = M[2] ? [M[1], M[2]] : [navigator.appName, navigator.appVersion, '-?'];
+  if ((tem = ua.match(/version\/(\d+)/i)) != null) {
+    M.splice(1, 1, tem[1]);
+  }
+
+  return {
+    name: M[0],
+    version: M[1]
+  };
+};