fixup! fixup! Allow to reset FileInputField internal state by calling resetState function on its ref (#630)

Author: bedrich-schindler

src/components/FileInputField/FileInputField.jsx

@@ -52,11 +52,14 @@ export const FileInputField = React.forwardRef((props, ref) => {
   }, [onFilesChanged]);
 
   // We need to have a reference to the input element to be able to call its methods,
-  // but at the same time we want to expose this reference to the parent component for
+  // but at the same time we want to expose this reference to the parent component in
   // case someone wants to call input methods from outside the component.
   useImperativeHandle(
     ref,
     () => {
+      // The reason of extending object instead of using spread operator is that
+      // if it is transformed to the object, it changes the reference of the object
+      // and its prototype chain.
       const inputEl = internalInputRef?.current ?? {};
       inputEl.resetState = () => {
         handleReset(null);

src/components/FileInputField/README.md

@@ -272,7 +272,7 @@ React.createElement(() => {
 ```
 
 You can also reset the input state by clicking the button with the `reset` type
-inside the form.
+inside a form.
 
 ## Forwarding HTML Attributes