merge upstream

packages/frontend/src/utility/extract-mentions.ts

@@ -0,0 +1,16 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+// test is located in test/extract-mentions
+
+import * as mfm from '@transfem-org/sfm-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;
+}