fix typescript errors in dependencies

Author: WebFreak001

package-lock.json

@@ -1517,7 +1517,7 @@
 		"mocha": "^11.7.4",
 		"prettier": "3.7.4",
 		"source-map-support": "^0.5.21",
-		"typescript": "5.9",
+		"typescript": "5.3",
 		"typescript-eslint": "^8.50.0",
 		"vscode-oniguruma": "^2.0.1",
 		"vscode-test": "^1.6.1",

package.json

@@ -105,15 +105,15 @@ export function registerClientCommands(context: vscode.ExtensionContext, client:
 			client.sendRequest<string>("served/getCompiler").then(
 				() => {
 					const settingCompiler = config(null).get("dubCompiler", undefined);
-					const extra: (vscode.QuickPickItem & { value: string })[] = settingCompiler
+					const extra: (vscode.QuickPickItem & { value: string; custom?: true })[] = settingCompiler
 						? [{ label: settingCompiler, value: settingCompiler, description: "(from User Settings)" }]
 						: [];
 					showQuickPickWithInput(
 						listCompilers().then((compilers) =>
 							extra.concat(
 								compilers
 									.filter((a) => a.has && a.path)
-									.map<vscode.QuickPickItem & { value: string; custom?: true }>((c) => ({
+									.map<(typeof extra)[0]>((c) => ({
 										label: c.has + "",
 										value: c.path ?? c.has + "",
 										description: makeCompilerDescription(c),

src/commands.ts

@@ -43,7 +43,7 @@ export function getInstallOutput(): vscode.OutputChannel {
 export function downloadFileInteractive(url: string, title: string, aborted: () => void): Thenable<Readable> {
 	let progress: vscode.Progress<{ message: string; increment: number }> | undefined;
 	let cancel: vscode.CancellationToken | undefined;
-	let done: () => void | false | undefined;
+	let done: (() => void) | false | undefined;
 
 	const stream = reqType("stream")
 		.get<Readable>(url)
@@ -93,8 +93,8 @@ export function downloadFileInteractive(url: string, title: string, aborted: ()
 		(_progress, _cancel) => {
 			progress = _progress;
 			cancel = _cancel;
-			return new Promise((resolve) => {
-				if (done === false) return resolve(undefined);
+			return new Promise<void>((resolve) => {
+				if (done === false) return resolve();
 				done = resolve;
 			});
 		},

src/installer.ts

@@ -8,5 +8,5 @@
 		"rootDir": "src",
 		"strict": true
 	},
-	"exclude": ["node_modules", ".vscode-test"]
+	"exclude": ["node_modules", ".vscode-test", "eslint.config.mts"]
 }