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

129 lines
3.2 KiB

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