fix(type): infer parent as this on nextTick function (#3608)

fix #3599
2021-07-15 21:28:20 +01:00
parent 08f504c1b7
commit 18911abb91
2 changed files with 22 additions and 4 deletions
--- a/test-dts/defineComponent.test-d.tsx
+++ b/test-dts/defineComponent.test-d.tsx
@@ -905,6 +905,25 @@ describe('emits', () => {
      expectError(this.$emit('input'))
      //  @ts-expect-error
      expectError(this.$emit('input', 1))
+    },
+    mounted() {
+      // #3599
+      this.$nextTick(function() {
+        // this should be bound to this instance
+
+        this.$emit('click', 1)
+        this.$emit('input', 'foo')
+        //  @ts-expect-error
+        expectError(this.$emit('nope'))
+        //  @ts-expect-error
+        expectError(this.$emit('click'))
+        //  @ts-expect-error
+        expectError(this.$emit('click', 'foo'))
+        //  @ts-expect-error
+        expectError(this.$emit('input'))
+        //  @ts-expect-error
+        expectError(this.$emit('input', 1))
+      })
    }
  })