Add API for propagating cursor locations (#61)

frontend/sync-client/src/utils/create-client-id.ts

@@ -0,0 +1,15 @@
+import { v4 as uuidv4 } from "uuid";
+
+export function createClientId(): string {
+	// @ts-expect-error, injected by webpack
+	const packageVersion = __CURRENT_VERSION__; // eslint-disable-line
+
+	const platform =
+		typeof navigator !== "undefined"
+			? navigator.platform // eslint-disable-line @typescript-eslint/no-deprecated
+			: typeof process !== "undefined"
+				? process.platform
+				: "unknown";
+
+	return `vault-link/${packageVersion} (${uuidv4()}; ${platform})`;
+}

frontend/sync-client/src/utils/create-promise.ts

@@ -1,3 +1,7 @@
+/**
+ * A type-safe utility function to create a Promise with resolve and reject functions.
+ * @returns A tuple containing a Promise, a resolve function, and a reject function.
+ */
 export function createPromise<T = void>(): [
 	Promise<T>,
 	(value: T) => void,

frontend/sync-client/src/utils/locks.ts

@@ -5,7 +5,7 @@ import type { Logger } from "../tracing/logger";
 // Locks are granted in a first-in-first-out order.
 export class Locks<T> {
 	private readonly locked = new Set<T>();
-	private readonly waiters = new Map<T, (() => void)[]>();
+	private readonly waiters = new Map<T, (() => unknown)[]>();
 
 	public constructor(private readonly logger: Logger) {}