fix(web): require user intent to cancel initial scroll (#1291)

* fix(web): require user intent to cancel initial scroll * fix(web): snapshot scroll intent before consumption
2026-08-05 06:24:37 +00:00 · 2026-08-02 09:27:37 +08:00
parent 545af9b4e0
commit f213bc348c
2 changed files with 31 additions and 6 deletions
@@ -200,7 +200,18 @@ describe('scroll anchor helpers', () => {
            distanceFromBottom: 182,
            isScrollingUp: true
        })
-        expect(shouldCancelInitialScrollSettling(intent)).toBe(true)
+        expect(shouldCancelInitialScrollSettling(intent, true)).toBe(true)
+    })
+
+    it('keeps initial scroll settling for programmatic upward movement', () => {
+        const intent = getScrollIntent({
+            scrollTop: 0,
+            previousScrollTop: 700,
+            scrollHeight: 1232,
+            clientHeight: 530
+        })
+
+        expect(shouldCancelInitialScrollSettling(intent, false)).toBe(false)
    })

    it('keeps initial scroll settling for negligible movement at the bottom', () => {
@@ -215,7 +226,7 @@ describe('scroll anchor helpers', () => {
            distanceFromBottom: 0,
            isScrollingUp: false
        })
-        expect(shouldCancelInitialScrollSettling(intent)).toBe(false)
+        expect(shouldCancelInitialScrollSettling(intent, false)).toBe(false)
    })

    it('restores the captured message to the same viewport offset', () => {