@react-native-clipboard/clipboard/src/useClipboard.ts

React Native Clipboard API for macOS, iOS, Android, and Windows

/**
 * useClipboard.ts
 * This code is inspired from the @react-native-community/hooks package
 * All credit goes to author of the useClipboard custom hooks.
 * https://github.com/react-native-community/hooks
 */

import { useEffect, useState } from "react";
import { Clipboard } from "./Clipboard";

type Listener = (content: string) => void;
const listeners = new Set<Listener>();

function setString(content: string) {
	Clipboard.setString(content);
	for (const listener of listeners) {
		listener(content);
	}
}

export const useClipboard = (): [string, (content: string) => void] => {
	const [data, updateClipboardData] = useState("");

	useEffect(() => {
		Clipboard.getString().then(updateClipboardData);
	}, []);

	useEffect(() => {
		listeners.add(updateClipboardData);

		return () => {
			listeners.delete(updateClipboardData);
		};
	}, []);

	return [data, setString];
};