From be7e3b9a0cb81b78a744993fef2fa2fd2833fa9c Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Sun, 9 Mar 2025 14:28:01 +0900
Subject: refactor(frontend): scripts -> utility

---
 packages/frontend/src/utility/chart-legend.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 packages/frontend/src/utility/chart-legend.ts

(limited to 'packages/frontend/src/utility/chart-legend.ts')

diff --git a/packages/frontend/src/utility/chart-legend.ts b/packages/frontend/src/utility/chart-legend.ts
new file mode 100644
index 0000000000..e701d18dd2
--- /dev/null
+++ b/packages/frontend/src/utility/chart-legend.ts
@@ -0,0 +1,17 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import type { Plugin } from 'chart.js';
+import MkChartLegend from '@/components/MkChartLegend.vue';
+
+export const chartLegend = (legend: InstanceType<typeof MkChartLegend>) => ({
+	id: 'htmlLegend',
+	afterUpdate(chart, args, options) {
+		// Reuse the built-in legendItems generator
+		const items = chart.options.plugins.legend.labels.generateLabels(chart);
+
+		legend.update(chart, items);
+	},
+}) as Plugin;
-- 
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