fix(progress): clamp computed percentage

Author: sunnylqm

src/__tests__/utils.test.ts

@@ -85,6 +85,14 @@ describe('computeProgress', () => {
     expect(computeProgress(1000, 1000)).toBe(100);
   });
 
+  test('caps progress at 100 when received exceeds total', () => {
+    expect(computeProgress(1200, 1000)).toBe(100);
+  });
+
+  test('floors progress at 0 when received is negative', () => {
+    expect(computeProgress(-100, 1000)).toBe(0);
+  });
+
   test('returns 50 for half progress', () => {
     expect(computeProgress(500, 1000)).toBe(50);
   });

src/utils.ts

@@ -109,7 +109,9 @@ export const assertWeb = () => {
 };
 
 export const computeProgress = (received: number, total: number): number =>
-  total > 0 ? Math.floor((received / total) * 100) : 0;
+  total > 0
+    ? Math.min(100, Math.max(0, Math.floor((received / total) * 100)))
+    : 0;
 
 export const fetchWithTimeout = (
   url: string,