trap for ss.cssRules mysteriously returning null

2016-01-22 19:59:41 +00:00 · 2016-01-22 19:59:41 +00:00 · add8ef3c59
parent 9a6f33861f
commit add8ef3c59
1 changed files with 3 additions and 0 deletions
--- a/src/Tinter.js
+++ b/src/Tinter.js
@ -76,6 +76,9 @@ var cached = false;
 function calcCssFixups() {
    for (var i = 0; i < document.styleSheets.length; i++) {
        var ss = document.styleSheets[i];
+        // Chromium apparently sometimes returns null here; unsure why.
+        // see $14534907369972FRXBx:matrix.org in HQ
+        if (!ss.cssRules) continue;
        for (var j = 0; j < ss.cssRules.length; j++) {
            var rule = ss.cssRules[j];
            if (!rule.style) continue;