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feat(runtime-core): warn incorrect root props value (close #375)

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This commit is contained in:
Evan You 2019-12-09 14:06:21 -05:00
parent 83428fb844
commit c53fae987d
1 changed files with 7 additions and 2 deletions
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9
packages/runtime-core/src/apiApp.ts
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@ -4,7 +4,7 @@ import { ComponentPublicInstance } from './componentProxy'
import { Directive, validateDirectiveName } from './directives' import { Directive, validateDirectiveName } from './directives'
import { RootRenderFunction } from './renderer' import { RootRenderFunction } from './renderer'
import { InjectionKey } from './apiInject' import { InjectionKey } from './apiInject'
import { isFunction, NO } from '@vue/shared' import { isFunction, NO, isObject } from '@vue/shared'
import { warn } from './warning' import { warn } from './warning'
import { createVNode } from './vnode' import { createVNode } from './vnode'
@ -163,9 +163,14 @@ export function createAppAPI<HostNode, HostElement>(
mount( mount(
rootComponent: Component, rootComponent: Component,
rootContainer: HostElement, rootContainer: HostElement,
rootProps?: Data rootProps?: Data | null
): any { ): any {
if (!isMounted) { if (!isMounted) {
if (!isObject(rootProps)) {
__DEV__ &&
warn(`root props passed to app.mount() must be an object.`)
rootProps = null
}
const vnode = createVNode(rootComponent, rootProps) const vnode = createVNode(rootComponent, rootProps)
// store app context on the root VNode. // store app context on the root VNode.
// this will be set on the root instance on initial mount. // this will be set on the root instance on initial mount.