refactor

1 files changed, 16 insertions, 9 deletions

diff --git a/packages/frontend/src/theme.ts b/packages/frontend/src/theme.ts
index b715426917..4d03b1d0e9 100644
--- a/packages/frontend/src/theme.ts
+++ b/packages/frontend/src/theme.ts
@@ -3,6 +3,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+// TODO: (可能な部分を)sharedに抽出して frontend-embed と共通化
+
 import { ref, nextTick } from 'vue';
 import tinycolor from 'tinycolor2';
 import lightTheme from '@@/themes/_light.json5';
@@ -166,16 +168,21 @@ export function compile(theme: Theme): Record<string, string> {
 			return getColor(theme.props[val]);
 		} else if (val[0] === ':') { // func
 			const parts = val.split('<');
-			const func = parts.shift().substring(1);
-			const arg = parseFloat(parts.shift());
-			const color = getColor(parts.join('<'));
+			const funcTxt = parts.shift();
+			const argTxt = parts.shift();
+
+			if (funcTxt && argTxt) {
+				const func = funcTxt.substring(1);
+				const arg = parseFloat(argTxt);
+				const color = getColor(parts.join('<'));
 
-			switch (func) {
-				case 'darken': return color.darken(arg);
-				case 'lighten': return color.lighten(arg);
-				case 'alpha': return color.setAlpha(arg);
-				case 'hue': return color.spin(arg);
-				case 'saturate': return color.saturate(arg);
+				switch (func) {
+					case 'darken': return color.darken(arg);
+					case 'lighten': return color.lighten(arg);
+					case 'alpha': return color.setAlpha(arg);
+					case 'hue': return color.spin(arg);
+					case 'saturate': return color.saturate(arg);
+				}
 			}
 		}