1 files changed, 7 insertions, 0 deletions
diff --git a/packages/frontend/src/aiscript/common.ts b/packages/frontend/src/aiscript/common.ts
index ba5dfb8368..806a9b5965 100644
--- a/packages/frontend/src/aiscript/common.ts
+++ b/packages/frontend/src/aiscript/common.ts
@@ -6,6 +6,13 @@
 import { errors, utils } from '@syuilo/aiscript';
 import type { values } from '@syuilo/aiscript';
 
+const extractVersionIdentifier = /^\/\/\/\s*@\s*(\d+)\.(\d+)\.\d+$/m;
+
+export function getAiScriptVersion(script: string): { major: number; minor: number } | undefined {
+	const match = extractVersionIdentifier.exec(script);
+	return match ? { major: Number(match[1]), minor: Number(match[2]) } : undefined;
+}
+
 export function assertStringAndIsIn<A extends readonly string[]>(value: values.Value | undefined, expects: A): asserts value is values.VStr & { value: A[number] } {
 	utils.assertString(value);
 	const str = value.value;