fix(css-load): fix useCssLoadPatch determination when encountering un…

…known UA strings Requires rebuild post-merge. Fixes ocombe#416
booleanbetrayal · Feb 5, 2018 · 2bfe646 · 2bfe646
1 parent c282f8f
commit 2bfe646
Showing 1 changed file with 20 additions and 16 deletions.
diff --git a/src/ocLazyLoad.loaders.common.js b/src/ocLazyLoad.loaders.common.js
@@ -88,22 +88,26 @@
                     if(!uaCssChecked) {
                         var ua = $window.navigator.userAgent.toLowerCase();
 
-                        if (ua.indexOf('phantomjs/1.9') > -1) {
-                            // PhantomJS ~1.9
-                            useCssLoadPatch = true;
-                        } else if (/iP(hone|od|ad)/.test($window.navigator.platform)) {
-                            // iOS < 6
-                            var v = $window.navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/);
-                            var iOSVersion = parseFloat([parseInt(v[1], 10), parseInt(v[2], 10), parseInt(v[3] || 0, 10)].join('.'));
-                            useCssLoadPatch = iOSVersion < 6;
-                        } else if (ua.indexOf('android') > -1) {
-                            // Android < 4.4
-                            var androidVersion = parseFloat(ua.slice(ua.indexOf('android') + 8));
-                            useCssLoadPatch = androidVersion < 4.4;
-                        } else if (ua.indexOf('safari') > -1) {
-                            // Safari < 6
-                            var versionMatch = ua.match(/version\/([\.\d]+)/i);
-                            useCssLoadPatch = (versionMatch && versionMatch[1] && parseFloat(versionMatch[1]) < 6);
+                        try {
+                            if (ua.indexOf('phantomjs/1.9') > -1) {
+                                // PhantomJS ~1.9
+                                useCssLoadPatch = true;
+                            } else if (/iP(hone|od|ad)/.test($window.navigator.platform)) {
+                                // iOS < 6
+                                var v = $window.navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/);
+                                var iOSVersion = parseFloat([parseInt(v[1], 10), parseInt(v[2], 10), parseInt(v[3] || 0, 10)].join('.'));
+                                useCssLoadPatch = iOSVersion < 6;
+                            } else if (ua.indexOf('android') > -1) {
+                                // Android < 4.4
+                                var androidVersion = parseFloat(ua.slice(ua.indexOf('android') + 8));
+                                useCssLoadPatch = androidVersion < 4.4;
+                            } else if (ua.indexOf('safari') > -1) {
+                                // Safari < 6
+                                var versionMatch = ua.match(/version\/([\.\d]+)/i);
+                                useCssLoadPatch = (versionMatch && versionMatch[1] && parseFloat(versionMatch[1]) < 6);
+                            }
+                        } catch (e) {
+                            useCssLoadPatch = false;
                         }
                     }