change rangeProvider signal to done getter

Author: rwv

src/get/manager/DownloadManger.ts

@@ -49,10 +49,8 @@ export class DownloadManger {
   }
 
   async assignWorkToWorker (worker: DownloadWorker, workerIndex: number): Promise<void> {
-    const doneSignal = this.rangeProvider.doneSignal
-
     while (true) {
-      if (doneSignal.aborted) {
+      if (this.rangeProvider.done) {
         return
       }
 

src/get/range/rangeProvider.ts

@@ -10,8 +10,6 @@ export class RangeProvider {
   private readonly segmentStrategy = defaultSegmentStrategy
   private readonly selectRangeStrategy = defaultSelectRangeStrategy
 
-  private readonly doneController = new AbortController()
-
   constructor (
     contentLength: number,
     segmentStrategy?: (contentLength: number) => Range[],
@@ -47,9 +45,6 @@ export class RangeProvider {
     controller.abort()
 
     this.downloaderCounter.delete(rangeIndex)
-    if (this.downloaderCounter.size === 0) {
-      this.rangesDone()
-    }
   }
 
   getRange (): {
@@ -80,15 +75,11 @@ export class RangeProvider {
     return controller
   }
 
-  private rangesDone (): void {
-    this.doneController.abort()
-  }
-
-  get doneSignal (): AbortSignal {
-    return this.doneController.signal
-  }
-
   get maxRangeIndex (): RangeIndex {
     return this.ranges.length - 1
   }
+
+  get done (): boolean {
+    return this.downloaderCounter.size === 0
+  }
 }