diff --git a/scripts/furni-diagnose-now.ts b/scripts/furni-diagnose-now.ts
index 9232e38b..43402953 100644
--- a/scripts/furni-diagnose-now.ts
+++ b/scripts/furni-diagnose-now.ts
@@ -97,7 +97,7 @@ async function main(): Promise<void> {
 	const dbByClass = new Map(baseRows.map((r) => [r.itemName, r.id]));
 	const dbById = new Map(baseRows.map((r) => [r.id, r.itemName]));
 	let fdWrongId = 0;
-	let fdIdConflict = 0; // id belongs to a different classname in DB
+	let _fdIdConflict = 0; // id belongs to a different classname in DB
 	let fdMissingInDb = 0;
 	const fdExamplesWrong: string[] = [];
 	for (const e of entries) {
@@ -114,7 +114,7 @@ async function main(): Promise<void> {
 				);
 			continue;
 		}
-		if (dbById.get(e.id) !== e.classname) fdIdConflict++;
+		if (dbById.get(e.id) !== e.classname) _fdIdConflict++;
 	}
 	console.log(
 		`    furnidata entries whose id != items_base.id for same classname: ${fdWrongId}`,
diff --git a/scripts/sync-nitro-urls.cjs b/scripts/sync-nitro-urls.cjs
index 539d00b6..1b98cb4b 100644
--- a/scripts/sync-nitro-urls.cjs
+++ b/scripts/sync-nitro-urls.cjs
@@ -24,9 +24,7 @@ const FILES = [
 ];
 
 function env(name) {
-	return process.env[name] && process.env[name].length
-		? process.env[name]
-		: null;
+	return process.env[name]?.length ? process.env[name] : null;
 }
 
 function applyOverrides(data) {
diff --git a/src/lib/services/swf/conversion-worker.ts b/src/lib/services/swf/conversion-worker.ts
index 4188b170..cdd1edef 100644
--- a/src/lib/services/swf/conversion-worker.ts
+++ b/src/lib/services/swf/conversion-worker.ts
@@ -31,21 +31,21 @@ if (parentPort) {
 		try {
 			if (msg.type === "convert") {
 				const result = convertSwfToNitro(msg.buffer, msg.classname);
-				parentPort!.postMessage({
+				parentPort?.postMessage({
 					id: msg.id,
 					ok: true,
 					result,
 				} satisfies WorkerResponse);
 			} else {
 				const icon = extractIconFromSwf(msg.buffer, msg.classname);
-				parentPort!.postMessage({
+				parentPort?.postMessage({
 					id: msg.id,
 					ok: true,
 					icon: icon ?? null,
 				} satisfies WorkerResponse);
 			}
 		} catch (err) {
-			parentPort!.postMessage({
+			parentPort?.postMessage({
 				id: msg.id,
 				ok: false,
 				error: (err as Error).message,
diff --git a/src/lib/utils/runtime-path.ts b/src/lib/utils/runtime-path.ts
index 2871b97f..3a95e090 100644
--- a/src/lib/utils/runtime-path.ts
+++ b/src/lib/utils/runtime-path.ts
@@ -1,4 +1,4 @@
-import path from "path";
+import path from "node:path";
 
 export function getRuntimePath(...segments: string[]): string {
 	const resolvePath = new Function("p", "segs", "return p.join(...segs)");