feat: Add applyCssTransform function (#170)

* Applies a CSS transform to an element.

src/lib/common/index.ts

@@ -3,3 +3,4 @@ export * from './events';
 export * from './keycodes';
 export * from './number-property';
 export * from './platform';
+export * from './style/index';

src/lib/common/style/apply-transform.ts

@@ -0,0 +1,13 @@
+/**
+ * Applies a CSS transform to an element, including browser-prefixed properties.
+ * @param element
+ * @param transformValue
+ */
+export function applyCssTransform(element: HTMLElement, transformValue: string) {
+  // It's important to trim the result, because the browser will ignore the set operation
+  // if the string contains only whitespace.
+  let value = transformValue.trim();
+
+  element.style.transform = value;
+  element.style.webkitTransform = value;
+}

src/lib/common/style/index.ts

@@ -0,0 +1 @@
+export * from './apply-transform';