merge upstream

packages/frontend/src/utility/check-animated-mfm.ts

@@ -0,0 +1,36 @@
+/*
+ * SPDX-FileCopyrightText: marie and other Sharkey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import * as mfm from '@transfem-org/sfm-js';
+
+export function checkAnimationFromMfm(nodes: mfm.MfmNode[]): boolean {
+	const animatedNodes = mfm.extract(nodes, (node) => {
+		if (node.type === 'fn') {
+			if (node.props.name === 'tada' ||
+			node.props.name === 'jelly' ||
+			node.props.name === 'twitch' ||
+			node.props.name === 'shake' ||
+			node.props.name === 'spin' ||
+			node.props.name === 'jump' ||
+			node.props.name === 'bounce' ||
+			node.props.name === 'rainbow' ||
+			node.props.name === 'sparkle' ||
+			node.props.name === 'fade' ||
+			node.props.name === 'followmouse') {
+				return true;
+			} else {
+				return false;
+			}
+		} else {
+			return false;
+		}
+	});
+
+	if (animatedNodes.length > 0) {
+		return true;
+	} else {
+		return false;
+	}
+}