tweak(frontend): improve Nuxt build state generation logging and caching (#4133)

apps/docs/src/content/docs/contributing/labrinth.md

@@ -67,8 +67,8 @@ During development, you might notice that changes made directly to entities in t
 `SITE_URL`: The main URL to be used for CORS  
 `CDN_URL`: The publicly accessible base URL for files uploaded to the CDN  
 `MODERATION_DISCORD_WEBHOOK`: The URL for a Discord webhook where projects pending approval will be sent  
-`CLOUDFLARE_INTEGRATION`: Whether Labrinth should integrate with Cloudflare's spam protection
-`DATABASE_URL`: The URL for the PostgreSQL database, including its username, password, host, port, and database name
+`CLOUDFLARE_INTEGRATION`: Whether labrinth should integrate with Cloudflare's spam protection  
+`DATABASE_URL`: The URL for the PostgreSQL database  
 `DATABASE_MIN_CONNECTIONS`: The minimum number of concurrent connections allowed to the database at the same time  
 `DATABASE_MAX_CONNECTIONS`: The maximum number of concurrent connections allowed to the database at the same time  
 `MEILISEARCH_ADDR`: The URL for the MeiliSearch instance used for search  
@@ -114,7 +114,7 @@ If you're prepared to contribute by submitting a pull request, ensure you have m
 - `cargo check` has been run.
 - `cargo sqlx prepare` has been run.
 
-> Note: If you encounter issues with `sqlx` saying 'no queries found' after running `cargo sqlx prepare`, you may need to ensure the installed version of `sqlx-cli` matches the current version of `sqlx` used [in Labrinth](https://github.com/modrinth/labrinth/blob/master/Cargo.toml).
+> Note: If you encounter issues with `sqlx` saying 'no queries found' after running `cargo sqlx prepare`, you may need to ensure the installed version of `sqlx-cli` matches the current version of `sqlx` used [in labrinth](https://github.com/modrinth/labrinth/blob/master/Cargo.toml).
 
 [Discord]: https://discord.modrinth.com
 [GitHub]: https://github.com/modrinth

apps/frontend/nuxt.config.ts

@@ -143,8 +143,13 @@ export default defineNuxtConfig({
         state.lastGenerated &&
         new Date(state.lastGenerated).getTime() + TTL > new Date().getTime() &&
         // ...but only if the API URL is the same
-        state.apiUrl === API_URL
+        state.apiUrl === API_URL &&
+        // ...and if no errors were caught during the last generation
+        (state.errors ?? []).length === 0
       ) {
+        console.log(
+          "Tags already recently generated. Delete apps/frontend/generated/state.json to force regeneration.",
+        );
         return;
       }