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feat: clone observable data instead of warning

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This commit is contained in:
Evan You 2018-10-04 16:13:02 -04:00
parent 03390f80a7
commit 3c49b30e17
1 changed files with 5 additions and 6 deletions
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11
packages/core/src/h.ts
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@ -9,7 +9,7 @@ import {
createFragment, createFragment,
createPortal createPortal
} from './vdom' } from './vdom'
import { isObservable } from '@vue/observer' import { isObservable, unwrap } from '@vue/observer'
export const Fragment = Symbol() export const Fragment = Symbol()
export const Portal = Symbol() export const Portal = Symbol()
@ -43,11 +43,10 @@ export const h = ((tag: ElementType, data?: any, children?: any): VNode => {
if (data === void 0) data = null if (data === void 0) data = null
if (children === void 0) children = null if (children === void 0) children = null
if (__DEV__ && isObservable(data)) { // if value is observable, create a clone of original
console.warn( // so that we can mutate it later on.
`Do not used observed state as VNode data - always create fresh objects.`, if (isObservable(data)) {
data data = Object.assign({}, unwrap(data))
)
} }
let key = null let key = null