Use fontReference instead of fontFamily for web (#778)

* Fix for Webpack keeping fontFamily parameter for iOS

* Update create-icon-set.js

* Update create-icon-set.js

* Update create-icon-set.js

* Remove whitespace

* Fix iOS

* Fix prettier

* Fix prettier

lib/create-icon-set.js

@@ -25,15 +25,17 @@ export default function createIconSet(
   fontFile,
   fontStyle
 ) {
-  let fontReference = fontFamily;
   // Android doesn't care about actual fontFamily name, it will only look in fonts folder.
-  if (Platform.OS === 'android' && fontFile) {
-    fontReference = fontFile.replace(/\.(otf|ttf)$/, '');
-  }
-
-  if (Platform.OS === 'windows' && fontFile) {
-    fontReference = `Assets/${fontFile}#${fontFamily}`;
-  }
+  const fontBasename = fontFile
+    ? fontFile.replace(/\.(otf|ttf)$/, '')
+    : fontFamily;
+
+  const fontReference = Platform.select({
+    windows: `Assets/${fontFile}#${fontFamily}`,
+    android: fontBasename,
+    web: fontBasename,
+    default: fontFamily,
+  });
 
   const IconNamePropType = PropTypes.oneOf(Object.keys(glyphMap));