Grabbed dndbeyond's source code

```
~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js
```

ddb_main/hooks/useErrorHandling/useErrorHandling.tsx

@@ -0,0 +1,33 @@
+import { HTMLAttributes, useState } from "react";
+import styles from '../../styles/errors.module.css';
+
+export interface ErrorHandlerOptions {
+    initialState: boolean;
+    errMsg: string;
+    errorMessageAttributes?: HTMLAttributes<HTMLDivElement>;
+};
+
+export interface ErrorHandler {
+    showError: boolean;
+    setShowError: (value: boolean) => void;
+    ErrorMessage: () => JSX.Element;
+};
+
+export const useErrorHandling = (
+    initialState: boolean,
+    errMsg: string,
+    errorMessageAttributes: HTMLAttributes<HTMLDivElement> | null = null
+): ErrorHandler => {
+    const [showError, setShowError] = useState(initialState);
+    const ErrorMessage = (): JSX.Element => (
+        <div className={styles.inputError} {...errorMessageAttributes}>
+            {errMsg}
+        </div>
+    );
+
+    return {
+        showError,
+        setShowError,
+        ErrorMessage,
+    };
+};