firefish/packages/backend/src/misc/extract-mentions.ts

// test is located in test/extract-mentions

import * as mfm from "mfm-js";

export function extractMentions(
	nodes: mfm.MfmNode[],
): mfm.MfmMention["props"][] {
	// TODO: 重複を削除
	const mentionNodes = mfm.extract(nodes, (node) => node.type === "mention");
	const mentions = mentionNodes.map((x) => x.props);

	return mentions;
}