22 lines
609 B
TypeScript
22 lines
609 B
TypeScript
import { isPlainObject } from '@vue/shared'
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import { ComponentInternalInstance } from '../component'
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import { DeprecationTypes, warnDeprecation } from './compatConfig'
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export function deepMergeData(
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to: any,
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from: any,
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instance: ComponentInternalInstance
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) {
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for (const key in from) {
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const toVal = to[key]
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const fromVal = from[key]
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if (key in to && isPlainObject(toVal) && isPlainObject(fromVal)) {
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__DEV__ &&
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warnDeprecation(DeprecationTypes.OPTIONS_DATA_MERGE, instance, key)
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deepMergeData(toVal, fromVal, instance)
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} else {
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to[key] = fromVal
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}
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}
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}
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