dont typecheck callback fns

Author: billyvg

packages/feedback/src/widget/Actor.ts

@@ -24,10 +24,9 @@ interface ActorComponent extends FeedbackComponent<HTMLButtonElement> {
  */
 export function Actor({ options, theme, onClick }: Props): ActorComponent {
   function _handleClick(e: MouseEvent) {
-    if (typeof onClick === 'function') {
-      onClick(e);
-    }
+    onClick && onClick(e);
   }
+
   const $el = h(
     'button',
     {

packages/feedback/src/widget/Dialog.ts

@@ -66,9 +66,7 @@ export function Dialog({
 
     // Only this should trigger `onClose`, we don't want the `close()` method to
     // trigger it, otherwise it can cause cycles.
-    if (typeof onClose === 'function') {
-      onClose();
-    }
+    onClose && onClose();
   }
 
   /**

packages/feedback/src/widget/Form.ts

@@ -66,7 +66,7 @@ export function Form({ defaultName, defaultEmail, onCancel, onSubmit, options }:
     }
 
     try {
-      if (typeof onSubmit === 'function') {
+      if (onSubmit) {
         const formData = new FormData(e.target as HTMLFormElement);
         const feedback = {
           name: retrieveStringValue(formData, 'name'),
@@ -144,9 +144,7 @@ export function Form({ defaultName, defaultEmail, onCancel, onSubmit, options }:
       type: 'button',
       className: 'btn btn--default',
       onClick: (e: Event) => {
-        if (typeof onCancel === 'function') {
-          onCancel(e);
-        }
+        onCancel && onCancel(e);
       },
     },
     options.cancelButtonLabel,

packages/feedback/src/widget/SuccessMessage.ts

@@ -25,9 +25,7 @@ export function SuccessMessage({ message, theme, onRemove }: SuccessMessageProps
     }
 
     $el.remove();
-    if (typeof onRemove === 'function') {
-      onRemove();
-    }
+    onRemove && onRemove();
   }
 
   const $el = h(