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5a45276565
* feat: add useMultipleSelect hooks * docs: update README * chore: update size limit * refactor: prevSelectedIndex ref to state、initial value * refactor: useMultipleSelect * refactor: reset last select key after deselect * chore: useMultipleSelect params type * refactor: should params key be in useMultipleSelect hooks * feat: getKey must be required * chore: useless code * refactor: remove useless code * feat: onItemSelect params event must be required * feat: remove params event * chore: remove onItemSelect params event; refactor transfer listBody onClick fnName * revert(modal): revert modal demo dark * refactor: props onItemSelect * refactor: onItemSelect fn name * refactor: transfer children type * refactor: renderList props * test: add test case * chore: args -> arguments * test(transfer): add test case --------- Signed-off-by: kyriewen <64134946+zbw-zbw@users.noreply.github.com> Co-authored-by: zbw01218944 <zbw01218944@alibaba-inc.com>
48 lines
1.5 KiB
TypeScript
48 lines
1.5 KiB
TypeScript
import { useCallback, useState } from 'react';
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export type PrevSelectedIndex = null | number;
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/**
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* @title multipleSelect hooks
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* @description multipleSelect by hold down shift key
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*/
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export default function useMultipleSelect<T, K>(getKey: (item: T) => K) {
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const [prevSelectedIndex, setPrevSelectedIndex] = useState<PrevSelectedIndex>(null);
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const multipleSelect = useCallback(
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(currentSelectedIndex: number, data: T[], selectedKeys: Set<K>) => {
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const configPrevSelectedIndex = prevSelectedIndex ?? currentSelectedIndex;
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// add/delete the selected range
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const startIndex = Math.min(configPrevSelectedIndex || 0, currentSelectedIndex);
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const endIndex = Math.max(configPrevSelectedIndex || 0, currentSelectedIndex);
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const rangeKeys = data.slice(startIndex, endIndex + 1).map((item) => getKey(item));
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const shouldSelected = rangeKeys.some((rangeKey) => !selectedKeys.has(rangeKey));
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const changedKeys: K[] = [];
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rangeKeys.forEach((item) => {
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if (shouldSelected) {
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if (!selectedKeys.has(item)) {
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changedKeys.push(item);
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}
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selectedKeys.add(item);
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} else {
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selectedKeys.delete(item);
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changedKeys.push(item);
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}
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});
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setPrevSelectedIndex(shouldSelected ? endIndex : null);
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return changedKeys;
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},
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[prevSelectedIndex],
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);
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const updatePrevSelectedIndex = (val: PrevSelectedIndex) => {
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setPrevSelectedIndex(val);
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};
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return [multipleSelect, updatePrevSelectedIndex] as const;
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}
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