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fix(warning): always check for component instance presence when formatting traces

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This commit is contained in:
Evan You 2020-04-29 14:41:06 -04:00
parent 5f89674790
commit a0e2c12874
1 changed files with 3 additions and 3 deletions
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6
packages/runtime-core/src/warning.ts
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@ -89,8 +89,8 @@ function getComponentTrace(): ComponentTraceStack {
recurseCount: 0
})
}
const parentInstance: ComponentInternalInstance | null = currentVNode.component!
.parent
const parentInstance: ComponentInternalInstance | null =
currentVNode.component && currentVNode.component.parent
currentVNode = parentInstance && parentInstance.vnode
}
@ -108,7 +108,7 @@ function formatTrace(trace: ComponentTraceStack): any[] {
function formatTraceEntry({ vnode, recurseCount }: TraceEntry): any[] {
const postfix =
recurseCount > 0 ? `... (${recurseCount} recursive calls)` : ``
const isRoot = vnode.component!.parent == null
const isRoot = vnode.component ? vnode.component.parent == null : false
const open = ` at <${formatComponentName(vnode.type, isRoot)}`
const close = `>` + postfix
return vnode.props