ant-design-vue/components/vc-cascader/utils/commonUtil.ts

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import type {
DefaultOptionType,
FieldNames,
InternalFieldNames,
SingleValueType,
} from '../Cascader';
export const VALUE_SPLIT = '__RC_CASCADER_SPLIT__';
export function toPathKey(value: SingleValueType) {
return value.join(VALUE_SPLIT);
}
export function toPathKeys(value: SingleValueType[]) {
return value.map(toPathKey);
}
export function toPathValueStr(pathKey: string) {
return pathKey.split(VALUE_SPLIT);
}
export function fillFieldNames(fieldNames?: FieldNames): InternalFieldNames {
const { label, value, children } = fieldNames || {};
const val = value || 'value';
return {
label: label || 'label',
value: val,
key: val,
children: children || 'children',
};
}
export function isLeaf(option: DefaultOptionType, fieldNames: FieldNames) {
return option.isLeaf ?? !option[fieldNames.children]?.length;
}