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129 lines
3.2 KiB
129 lines
3.2 KiB
import type { BaseOptionType, DefaultOptionType, RawValueType, FieldNames } from '../Select';
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import { warning } from '../../vc-util/warning';
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import type { FlattenOptionData } from '../interface';
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function getKey(data: BaseOptionType, index: number) {
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const { key } = data;
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let value: RawValueType;
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if ('value' in data) {
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({ value } = data);
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}
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if (key !== null && key !== undefined) {
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return key;
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}
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if (value !== undefined) {
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return value;
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}
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return `rc-index-key-${index}`;
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}
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export function fillFieldNames(fieldNames: FieldNames | undefined, childrenAsData: boolean) {
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const { label, value, options } = fieldNames || {};
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return {
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label: label || (childrenAsData ? 'children' : 'label'),
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value: value || 'value',
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options: options || 'options',
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};
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}
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/**
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* Flat options into flatten list.
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* We use `optionOnly` here is aim to avoid user use nested option group.
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* Here is simply set `key` to the index if not provided.
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*/
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export function flattenOptions<OptionType extends BaseOptionType = DefaultOptionType>(
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options: OptionType[],
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{ fieldNames, childrenAsData }: { fieldNames?: FieldNames; childrenAsData?: boolean } = {},
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): FlattenOptionData<OptionType>[] {
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const flattenList: FlattenOptionData<OptionType>[] = [];
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const {
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label: fieldLabel,
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value: fieldValue,
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options: fieldOptions,
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} = fillFieldNames(fieldNames, false);
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function dig(list: OptionType[], isGroupOption: boolean) {
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list.forEach(data => {
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const label = data[fieldLabel];
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if (isGroupOption || !(fieldOptions in data)) {
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const value = data[fieldValue];
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// Option
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flattenList.push({
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key: getKey(data, flattenList.length),
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groupOption: isGroupOption,
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data,
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label,
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value,
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});
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} else {
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let grpLabel = label;
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if (grpLabel === undefined && childrenAsData) {
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grpLabel = data.label;
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}
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// Option Group
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flattenList.push({
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key: getKey(data, flattenList.length),
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group: true,
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data,
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label: grpLabel,
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});
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dig(data[fieldOptions], true);
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}
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});
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}
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dig(options, false);
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return flattenList;
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}
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/**
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* Inject `props` into `option` for legacy usage
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*/
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export function injectPropsWithOption<T>(option: T): T {
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const newOption = { ...option };
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if (!('props' in newOption)) {
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Object.defineProperty(newOption, 'props', {
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get() {
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warning(
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false,
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'Return type is option instead of Option instance. Please read value directly instead of reading from `props`.',
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);
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return newOption;
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},
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});
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}
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return newOption;
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}
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export function getSeparatedContent(text: string, tokens: string[]): string[] {
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if (!tokens || !tokens.length) {
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return null;
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}
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let match = false;
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function separate(str: string, [token, ...restTokens]: string[]) {
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if (!token) {
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return [str];
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}
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const list = str.split(token);
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match = match || list.length > 1;
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return list
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.reduce((prevList, unitStr) => [...prevList, ...separate(unitStr, restTokens)], [])
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.filter(unit => unit);
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}
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const list = separate(text, tokens);
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return match ? list : null;
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}
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