chore(deps-dev): bump vite from 7.3.6 to 8.2.1 in the vite group across 1 directory

build/dts-js-resolve-plugin.ts

@@ -0,0 +1,55 @@
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: CC0-1.0
+ */
+
+import type { Plugin } from 'vite'
+
+import { existsSync } from 'node:fs'
+import { dirname, resolve } from 'node:path'
+
+const RE_DTS = /\.d\.[cm]?ts$/
+const RE_JS = /\.([cm]?)js$/
+
+const sourceRoot = resolve(import.meta.dirname, '../src')
+
+/**
+ * Link declarations of plain JavaScript sources.
+ *
+ * `rolldown-plugin-dts` only rewrites an import to the declaration of its target
+ * if that target is a Typescript, JSON or Vue file. For a plain `.js` source it
+ * bails out, so the import is resolved by Rolldown instead and the emitted
+ * declaration ends up importing the *JavaScript* chunk - which has no types.
+ *
+ * As long as `src/` contains Javascript files this plugin closes that gap by
+ * resolving such imports to the declaration the plugin generated for them.
+ *
+ * @see https://github.com/sxzz/rolldown-plugin-dts/blob/main/src/resolver.ts
+ */
+export default function dtsJavascriptResolvePlugin(): Plugin {
+	return {
+		name: 'nextcloud-dts-javascript-resolve',
+		enforce: 'pre',
+
+		async resolveId(source, importer) {
+			// Only imports within generated declarations are affected
+			if (!importer || !RE_DTS.test(importer) || !RE_JS.test(source)) {
+				return
+			}
+			// Only relative imports can point to our own sources
+			if (!source.startsWith('.')) {
+				return
+			}
+
+			// Only our own sources have generated declarations, dependencies ship theirs
+			const target = resolve(dirname(importer), source)
+			if (!target.startsWith(`${sourceRoot}/`) || !existsSync(target)) {
+				return
+			}
+
+			// Make sure the declaration was generated for the Javascript source
+			await this.load({ id: target })
+			return target.replace(RE_JS, '.d.$1ts')
+		},
+	}
+}