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57 lines
1.6 KiB
57 lines
1.6 KiB
import { flattenChildren, isValidElement } from '../../_util/props-util';
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import { VNode, VNodeChild } from 'vue';
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import { OptionData, OptionGroupData, OptionsType } from '../interface';
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function convertNodeToOption(node: VNode): OptionData {
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const {
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key,
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children,
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props: { value, disabled, ...restProps },
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} = node as VNode & {
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children: { default?: () => any };
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};
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const child = children && children.default ? children.default() : undefined;
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return {
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key,
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value: value !== undefined ? value : key,
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children: child,
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disabled: disabled || disabled === '', // support <a-select-option disabled />
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...restProps,
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};
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}
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export function convertChildrenToData(
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nodes: VNodeChild | JSX.Element,
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optionOnly = false,
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): OptionsType {
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const dd = flattenChildren(nodes as [])
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.map((node: VNode, index: number): OptionData | OptionGroupData | null => {
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if (!isValidElement(node) || !node.type) {
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return null;
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}
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const {
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type: { isSelectOptGroup },
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key,
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children,
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props,
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} = node as VNode & {
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type: { isSelectOptGroup?: boolean };
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children: { default?: () => any };
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};
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if (optionOnly || !isSelectOptGroup) {
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return convertNodeToOption(node);
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}
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const child = children && children.default ? children.default() : undefined;
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return {
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key: `__RC_SELECT_GRP__${key === null ? index : key}__`,
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label: key,
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...props,
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options: convertChildrenToData(child || []),
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} as any;
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})
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.filter(data => data);
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return dd;
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}
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