fix(chart): support wheel zoom out

2026-07-31 12:07:08 +08:00
parent 979b698156
commit f98c264562
9 changed files with 200 additions and 16 deletions
--- a/src/components/waveformChartCases/viewportBoxAndPan.test.ts
+++ b/src/components/waveformChartCases/viewportBoxAndPan.test.ts
@@ -38,6 +38,21 @@ describe('WaveformChart', () => {
    expect(domain[1]).toBeLessThanOrEqual(1)
    expect(endpoints()[0]).not.toBe(initialEndpoints[0])
    expect(endpoints()[1]).toBe(initialEndpoints[1])
+
+    overlays[0].element.dispatchEvent(
+      new WheelEvent('wheel', {
+        deltaY: 4_000,
+        clientX: firstWidth - 1,
+        clientY: 130,
+        bubbles: true,
+        cancelable: true,
+      }),
+    )
+    flushAnimationFrames()
+    await flushPromises()
+
+    expect(endpoints()[0]).toBe(initialEndpoints[0])
+    expect(endpoints()[1]).toBe(initialEndpoints[1])
  })

  it('emits one zoom-end payload after a shared zoom gesture completes', async () => {