types: simplify types (#104)

2019-10-05 22:09:34 +08:00
parent ca70aff860
commit 9d6783053c
12 changed files with 50 additions and 71 deletions
--- a/packages/runtime-core/src/warning.ts
+++ b/packages/runtime-core/src/warning.ts
@@ -77,7 +77,7 @@ function getComponentTrace(): ComponentTraceStack {
        recurseCount: 0
      })
    }
-    const parentInstance: ComponentInternalInstance | null = (currentVNode.component as ComponentInternalInstance)
+    const parentInstance: ComponentInternalInstance | null = currentVNode.component!
      .parent
    currentVNode = parentInstance && parentInstance.vnode
  }
@@ -107,10 +107,7 @@ function formatTraceEntry(
    recurseCount > 0 ? `... (${recurseCount} recursive calls)` : ``
  const open = padding + `<${formatComponentName(vnode)}`
  const close = `>` + postfix
-  const rootLabel =
-    (vnode.component as ComponentInternalInstance).parent == null
-      ? `(Root)`
-      : ``
+  const rootLabel = vnode.component!.parent == null ? `(Root)` : ``
  return vnode.props
    ? [open, ...formatProps(vnode.props), close, rootLabel]
    : [open + close, rootLabel]