Refactor abortable package structure

- Extract abortable implementation to separate module
- Update index to re-export from dedicated modules
- Rename test file for consistency with source module name

Signed-off-by: Vladislav Polyakov <polRk@ydb.tech>

Author: polRk

packages/abortable/src/index.test.ts packages/abortable/src/abortable.test.tspackages/abortable/src/index.test.ts renamed to packages/abortable/src/abortable.test.ts

@@ -0,0 +1,15 @@
+export async function abortable<T>(signal: AbortSignal, promise: Promise<T>): Promise<T> {
+	signal.throwIfAborted()
+
+	let abortHandler: () => void
+	let abortPromise = new Promise<T>((_, reject) => {
+		abortHandler = () => reject(signal.reason)
+		signal.addEventListener('abort', abortHandler, { once: true })
+	})
+
+	try {
+		return await Promise.race<T>([promise, abortPromise])
+	} finally {
+		if (abortHandler!) signal.removeEventListener('abort', abortHandler)
+	}
+}

packages/abortable/src/abortable.ts

@@ -1,15 +1,2 @@
-export async function abortable<T>(signal: AbortSignal, promise: Promise<T>): Promise<T> {
-	signal.throwIfAborted()
-
-	let abortHandler: () => void
-	let abortPromise = new Promise<T>((_, reject) => {
-		abortHandler = () => reject(signal.reason)
-		signal.addEventListener('abort', abortHandler, { once: true })
-	})
-
-	try {
-		return await Promise.race<T>([promise, abortPromise])
-	} finally {
-		if (abortHandler!) signal.removeEventListener('abort', abortHandler)
-	}
-}
+export * from './abortable.js'
+export * from './signals.js'