81 lines
2.5 KiB
Plaintext
81 lines
2.5 KiB
Plaintext
/*
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* Copyright 2020 Adobe. All rights reserved.
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* This file is licensed to you under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License. You may obtain a copy
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* of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under
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* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
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* OF ANY KIND, either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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import {ItemElement, ItemProps} from '@react-types/shared';
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import {PartialNode} from './types';
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import React, {JSX, ReactElement} from 'react';
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function Item<T>(props: ItemProps<T>): ReactElement | null { // eslint-disable-line @typescript-eslint/no-unused-vars
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return null;
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}
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Item.getCollectionNode = function* getCollectionNode<T>(props: ItemProps<T>, context: any): Generator<PartialNode<T>> {
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let {childItems, title, children} = props;
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let rendered = props.title || props.children;
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let textValue = props.textValue || (typeof rendered === 'string' ? rendered : '') || props['aria-label'] || '';
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// suppressTextValueWarning is used in components like Tabs, which don't have type to select support.
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if (!textValue && !context?.suppressTextValueWarning) {
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console.warn('<Item> with non-plain text contents is unsupported by type to select for accessibility. Please add a `textValue` prop.');
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}
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yield {
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type: 'item',
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props: props,
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rendered,
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textValue,
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'aria-label': props['aria-label'],
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hasChildNodes: hasChildItems(props),
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*childNodes() {
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if (childItems) {
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for (let child of childItems) {
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yield {
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type: 'item',
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value: child
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};
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}
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} else if (title) {
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let items: PartialNode<T>[] = [];
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React.Children.forEach(children, child => {
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items.push({
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type: 'item',
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element: child as ItemElement<T>
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});
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});
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yield* items;
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}
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}
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};
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};
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function hasChildItems<T>(props: ItemProps<T>) {
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if (props.hasChildItems != null) {
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return props.hasChildItems;
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}
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if (props.childItems) {
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return true;
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}
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if (props.title && React.Children.count(props.children) > 0) {
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return true;
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}
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return false;
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}
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// We don't want getCollectionNode to show up in the type definition
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let _Item = Item as <T>(props: ItemProps<T>) => JSX.Element;
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export {_Item as Item};
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