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ant-design-vue/components/vc-select/utils/legacyUtil.ts

62 lines
1.8 KiB

import { flattenChildren, isValidElement } from '../../_util/props-util';
import type { VNode } from 'vue';
import type { BaseOptionType, DefaultOptionType } from '../Select';
import type { VueNode } from '../../_util/type';
function convertNodeToOption<OptionType extends BaseOptionType = DefaultOptionType>(
node: VNode,
): OptionType {
const {
key,
children,
props: { value, disabled, ...restProps },
} = node as Omit<VNode, 'key'> & {
children: { default?: () => any };
key: string | number;
};
const child = children?.default;
return {
key,
value: value !== undefined ? value : key,
children: child,
disabled: disabled || disabled === '', // support <a-select-option disabled />
...(restProps as any),
};
}
export function convertChildrenToData<OptionType extends BaseOptionType = DefaultOptionType>(
nodes: VueNode[],
optionOnly = false,
): OptionType[] {
const dd = flattenChildren(nodes as [])
.map((node: VNode, index: number): OptionType | null => {
if (!isValidElement(node) || !node.type) {
return null;
}
const {
type: { isSelectOptGroup },
key,
children,
props,
} = node as VNode & {
type: { isSelectOptGroup?: boolean };
children: { default?: () => any; label?: () => any };
};
if (optionOnly || !isSelectOptGroup) {
return convertNodeToOption(node);
}
const child = children && children.default ? children.default() : undefined;
const label = props?.label || children.label?.() || key;
return {
key: `__RC_SELECT_GRP__${key === null ? index : String(key)}__`,
...props,
label,
options: convertChildrenToData(child || []),
} as any;
})
.filter(data => data);
return dd;
}