/*
 * Copyright 2017 Palantir Technologies, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * `ItemListRenderer` helper method for rendering each item in `filteredItems`,
 * with optional support for `noResults` (when filtered items is empty)
 * and `initialContent` (when query is empty).
 */
export function renderFilteredItems(props, noResults, initialContent) {
    if (props.query.length === 0 && initialContent !== undefined) {
        return initialContent;
    }
    const items = props.filteredItems.map(props.renderItem).filter(item => item != null);
    return items.length > 0 ? items : noResults;
}
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