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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | 84x 84x 2x 2x 2x 2x 2x 2x 14x 8x 6x 6x 6x 12x | import { ShapeFlags } from '@vue/shared/src'
import { ComponentInternalInstance } from '../component'
import { ComponentPublicInstance } from '../componentPublicInstance'
import { VNode } from '../vnode'
import { assertCompatEnabled, DeprecationTypes } from './compatConfig'
export function getCompatChildren(
instance: ComponentInternalInstance
): ComponentPublicInstance[] {
assertCompatEnabled(DeprecationTypes.INSTANCE_CHILDREN, instance)
const root = instance.subTree
const children: ComponentPublicInstance[] = []
if (root) {
walk(root, children)
}
return children
}
function walk(vnode: VNode, children: ComponentPublicInstance[]) {
if (vnode.component) {
children.push(vnode.component.proxy!)
} else if (vnode.shapeFlag & ShapeFlags.ARRAY_CHILDREN) {
const vnodes = vnode.children as VNode[]
for (let i = 0; i < vnodes.length; i++) {
walk(vnodes[i], children)
}
}
}
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