29 lines
917 B
TypeScript
29 lines
917 B
TypeScript
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import { ShapeFlags } from '@vue/shared/src'
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import { ComponentInternalInstance } from '../component'
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import { ComponentPublicInstance } from '../componentPublicInstance'
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import { VNode } from '../vnode'
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import { DeprecationTypes, warnDeprecation } from './deprecations'
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export function getInstanceChildren(
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instance: ComponentInternalInstance
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): ComponentPublicInstance[] {
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__DEV__ && warnDeprecation(DeprecationTypes.INSTANCE_CHILDREN)
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const root = instance.subTree
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const children: ComponentPublicInstance[] = []
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if (root) {
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walk(root, children)
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}
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return children
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}
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function walk(vnode: VNode, children: ComponentPublicInstance[]) {
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if (vnode.component) {
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children.push(vnode.component.proxy!)
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} else if (vnode.shapeFlag & ShapeFlags.ARRAY_CHILDREN) {
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const vnodes = vnode.children as VNode[]
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for (let i = 0; i < vnodes.length; i++) {
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walk(vnodes[i], children)
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}
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}
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}
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