refactor: format and lint codebase (#971)

app/assets/javascripts/Components/ComponentView/IsDeprecated.tsx

@@ -0,0 +1,30 @@
+import { FunctionalComponent } from 'preact'
+
+interface IProps {
+  deprecationMessage: string | undefined
+  dismissDeprecationMessage: () => void
+}
+
+export const IsDeprecated: FunctionalComponent<IProps> = ({
+  deprecationMessage,
+  dismissDeprecationMessage,
+}) => {
+  return (
+    <div className={'sn-component'}>
+      <div className={'sk-app-bar no-edges no-top-edge dynamic-height'}>
+        <div className={'left'}>
+          <div className={'sk-app-bar-item'}>
+            <div className={'sk-label warning'}>
+              {deprecationMessage || 'This extension is deprecated.'}
+            </div>
+          </div>
+        </div>
+        <div className={'right'}>
+          <div className={'sk-app-bar-item'} onClick={dismissDeprecationMessage}>
+            <button className={'sn-button small info'}>Dismiss</button>
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}