fix #260

Former-commit-id: 0d8742754bb756ad3a83599850dae5f477282430 [formerly 5cb7d75b695d8400fc2af87edd551d6450e7365f] [formerly a6a814c40a5ff4f195c4ab470d4fccc92bd8c1c8 [formerly 99c8c92c6c]]
Former-commit-id: 45eba5ff05f8e64fbf33d9d670e19a0cf4880656 [formerly 88dc856045b9d51596f36ce387b1c4f3e85a7d3c]
Former-commit-id: 1eadaef460060da8ae71df3c66f242c844992725

assets/src/utils/css.js

@@ -1,28 +1,28 @@
-export default function getRule (rules) {
-  for (let i = 0; i < rules.length; i++) {
-    rules[i] = rules[i].toLowerCase()
-  }
-
-  let result = null
-  let find = Array.prototype.find
-
-  find.call(document.styleSheets, styleSheet => {
-    result = find.call(styleSheet.cssRules, cssRule => {
-      let found = false
-
-      if (cssRule instanceof window.CSSStyleRule) {
-        for (let i = 0; i < rules.length; i++) {
-          if (cssRule.selectorText.toLowerCase() === rules[i]) {
-            found = true
-          }
-        }
-      }
-
-      return found
-    })
-
-    return result != null
-  })
-
-  return result
-}
+export default function getRule (rules) {
+  for (let i = 0; i < rules.length; i++) {
+    rules[i] = rules[i].toLowerCase()
+  }
+
+  let result = null
+  let find = Array.prototype.find
+
+  find.call(document.styleSheets, styleSheet => {
+    result = find.call(styleSheet.cssRules, cssRule => {
+      let found = false
+
+      if (cssRule instanceof window.CSSStyleRule) {
+        for (let i = 0; i < rules.length; i++) {
+          if (cssRule.selectorText.toLowerCase() === rules[i]) {
+            found = true
+          }
+        }
+      }
+
+      return found
+    })
+
+    return result != null
+  })
+
+  return result
+}