@superset-ui/core
Version:
36 lines • 1.28 kB
JavaScript
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
/**
* Remove duplicate items from a list.
*/
export function removeDuplicates(items, hash) {
if (hash) {
const seen = new Set();
return items.filter(x => {
const itemHash = hash(x);
if (seen.has(itemHash))
return false;
seen.add(itemHash);
return true;
});
}
return [...new Set(items)];
}
export default removeDuplicates;
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