index.ts
1.33 KB
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import type {
ComponentInternalInstance,
VNode,
VNodeChild,
VNodeNormalizedChildren,
} from 'vue';
import { isVNode } from 'vue';
type VNodeChildAtom = Exclude<VNodeChild, Array<any>>;
type RawSlots = Exclude<VNodeNormalizedChildren, Array<any> | null | string>;
type FlattenVNodes = Array<RawSlots | VNodeChildAtom>;
/**
* @zh_CN Find the parent component upward
* @param instance
* @param parentNames
*/
function findComponentUpward(
instance: ComponentInternalInstance,
parentNames: string[],
) {
let parent = instance.parent;
while (parent && !parentNames.includes(parent?.type?.name ?? '')) {
parent = parent.parent;
}
return parent;
}
const flattedChildren = (
children: FlattenVNodes | VNode | VNodeNormalizedChildren,
): FlattenVNodes => {
const vNodes = Array.isArray(children) ? children : [children];
const result: FlattenVNodes = [];
vNodes.forEach((child) => {
if (Array.isArray(child)) {
result.push(...flattedChildren(child));
} else if (isVNode(child) && Array.isArray(child.children)) {
result.push(...flattedChildren(child.children));
} else {
result.push(child);
if (isVNode(child) && child.component?.subTree) {
result.push(...flattedChildren(child.component.subTree));
}
}
});
return result;
};
export { findComponentUpward, flattedChildren };