fix: clarify util name

framework/core/js/src/common/compat.ts

@@ -33,7 +33,7 @@ import formatNumber from './utils/formatNumber';
 import mapRoutes from './utils/mapRoutes';
 import withAttr from './utils/withAttr';
 import * as FocusTrap from './utils/focusTrap';
-import yiqValue from './utils/yiqValue';
+import getContrast from './utils/getContrast';
 import Notification from './models/Notification';
 import User from './models/User';
 import Post from './models/Post';
@@ -121,7 +121,7 @@ export default {
   'utils/throttleDebounce': ThrottleDebounce,
   'utils/isObject': isObject,
   'utils/focusTrap': FocusTrap,
-  'utils/yiqValue': yiqValue,
+  'utils/getContrast': getContrast,
   'models/Notification': Notification,
   'models/User': User,
   'models/Post': Post,

framework/core/js/src/common/utils/getContrast.ts

@@ -1,9 +1,10 @@
 /**
- * The `yiqValue` utility converts a hex color to rgb, and then calcul a yiq
- * contrast value.
+ * The `getContrast` utility converts a hex color to rgb, and then calcul a YIQ
+ * value in order to get the appropriate contrast value (is it dark or is it
+ * light?) See https://www.w3.org/TR/AERT/#color-contrast for references
  */
 
-export default function yiqValue(hexcolor: String) {
+export default function getContrast(hexcolor: String) {
 
   var hexnumbers = hexcolor.replace("#", "");