refactor: fix ts, tweak naming

Author: mdjastrzebski

src/user-event/clear.ts

@@ -24,25 +24,23 @@ export async function clear(this: UserEventInstance, element: ReactTestInstance)
   dispatchEvent(element, 'focus', EventBuilder.Common.focus());
 
   // 2. Select all
-  const previousText = element.props.value ?? element.props.defaultValue ?? '';
+  const textToClear = element.props.value ?? element.props.defaultValue ?? '';
   const selectionRange = {
     start: 0,
-    end: previousText.length,
+    end: textToClear.length,
   };
   dispatchEvent(element, 'selectionChange', EventBuilder.TextInput.selectionChange(selectionRange));
 
   // 3. Press backspace with selected text
-  const finalText = '';
+  const textAfterClear = '';
   await emitTypingEvents(element, {
     config: this.config,
     key: 'Backspace',
-    text: finalText,
-    previousText,
+    text: textAfterClear,
   });
 
   // 4. Exit element
   await wait(this.config);
-  dispatchEvent(element, 'endEditing', EventBuilder.TextInput.endEditing(finalText));
-
+  dispatchEvent(element, 'endEditing', EventBuilder.TextInput.endEditing(textAfterClear));
   dispatchEvent(element, 'blur', EventBuilder.Common.blur());
 }