1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12
13. 13
14. 14
15. 15
16. 16
17. 17
18. 18
19. 19
20. 20
21. 21
22. 22
23. 23
24. 24
25. 25
26. 26
27. 27
28. 28
29. 29
30. 30
31. 31
32. 32
33. 33
34. 34
35. 35
36. 36
37. 37
38. 38
39. 39
40. 40
41. 41
42. 42
43. 43

// SPDX-FileCopyrightText: 2024 Shota FUJI <pockawoooh@gmail.com>
//
// SPDX-License-Identifier: Apache-2.0

import type { JSONCanvas, Node } from "./types.ts";

export function mapNode<A, B = A>(
	tree: JSONCanvas<A>,
	f: (node: Node<A>) => Node<B>,
): JSONCanvas<B> {
	if (!tree.nodes?.map?.length) {
		// No nodes = no text nodes = Markdown type does not matter.
		return tree as unknown as JSONCanvas<B>;
	}

	const nodes = tree.nodes.map<Node<B>>((node) => {
		return f(node);
	});

	return {
		...tree,
		nodes,
	};
}

export async function mapNodeAsync<A, B = A>(
	tree: JSONCanvas<A>,
	f: (node: Node<A>) => Promise<Node<B>>,
): Promise<JSONCanvas<B>> {
	if (!tree.nodes?.map?.length) {
		// No nodes = no text nodes = Markdown type does not matter.
		return tree as unknown as JSONCanvas<B>;
	}

	const nodes = await Promise.all(tree.nodes.map<Promise<Node<B>>>((node) => {
		return f(node);
	}));

	return {
		...tree,
		nodes,
	};
}