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1/**
2 * Copyright 2018 The Incremental DOM Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS-IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17/**
18 * The name of the HTML attribute that holds the element key
19 * (e.g. `<div key="foo">`). The attribute value, if it exists, is then used
20 * as the default key when importing an element.
21 * If null, no attribute value is used as the default key.
22 */
23let keyAttributeName: string | null = "key";
24
25function getKeyAttributeName() {
26 return keyAttributeName;
27}
28
29function setKeyAttributeName(name: string | null) {
30 keyAttributeName = name;
31}
32
33export { DEBUG } from "./debug";
34export { getKeyAttributeName, setKeyAttributeName };