ui: add constant to error page

packages/ui-default/handler.ts

@@ -76,14 +76,16 @@ async function constant(args: ConstantArgs) {
   return version;
 }
 
-bus.on('handler/after', async (that) => {
-  if (that.response.template) {
+const versionHandler = async (that) => {
+  if (that.response.template && !that.UiContext.constantVersion) {
     that.UiContext.constantVersion = await constant({
       domainId: that.domainId,
       lang: that.session.viewLang || that.user.viewLang,
     });
   }
-});
+};
+bus.on('handler/after', versionHandler);
+bus.on('handler/error', versionHandler);
 
 class WikiHelpHandler extends Handler {
   noCheckPermView = true;

packages/ui-default/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.26.10",
+  "version": "4.26.11",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",