fix: open modrinth project links in the app (#6072)

packages/api-client/src/modules/labrinth/projects/v2.ts

@@ -26,6 +26,23 @@ export class LabrinthProjectsV2Module extends AbstractModule {
 		})
 	}
 
+	/**
+	 * Check that a project slug or ID exists and return its canonical project ID.
+	 *
+	 * @param idOrSlug - Project ID or slug (e.g. `sodium` or `AANobbMI`)
+	 */
+	public async check(idOrSlug: string): Promise<Labrinth.Projects.v2.ProjectCheckResponse> {
+		const encoded = encodeURIComponent(idOrSlug)
+		return this.client.request<Labrinth.Projects.v2.ProjectCheckResponse>(
+			`/project/${encoded}/check`,
+			{
+				api: 'labrinth',
+				version: 2,
+				method: 'GET',
+			},
+		)
+	}
+
 	/**
 	 * Get multiple projects by IDs
 	 *

packages/api-client/src/modules/labrinth/types.ts

@@ -468,6 +468,10 @@ export namespace Labrinth {
 				monetization_status: MonetizationStatus
 			}
 
+			export type ProjectCheckResponse = {
+				id: string
+			}
+
 			export type SearchResultHit = {
 				project_id: string
 				project_type: ProjectType