fix(runtime-core/scheduler): sort postFlushCbs to ensure refs are set before lifecycle hooks (#1854)

fix #1852
2020-08-14 21:50:23 +08:00
parent 3fa5c9fdab
commit caccec3f78
4 changed files with 77 additions and 19 deletions
--- a/packages/runtime-core/tests/scheduler.spec.ts
+++ b/packages/runtime-core/tests/scheduler.spec.ts
@@ -403,6 +403,22 @@ describe('scheduler', () => {
    expect(calls).toEqual(['job3', 'job2', 'job1'])
  })

+  test('sort SchedulerCbs based on id', async () => {
+    const calls: string[] = []
+    const cb1 = () => calls.push('cb1')
+    // cb1 has no id
+    const cb2 = () => calls.push('cb2')
+    cb2.id = 2
+    const cb3 = () => calls.push('cb3')
+    cb3.id = 1
+
+    queuePostFlushCb(cb1)
+    queuePostFlushCb(cb2)
+    queuePostFlushCb(cb3)
+    await nextTick()
+    expect(calls).toEqual(['cb3', 'cb2', 'cb1'])
+  })
+
  // #1595
  test('avoid duplicate postFlushCb invocation', async () => {
    const calls: string[] = []