superset createHiddenSvgNode 源码

2022-10-20
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superset createHiddenSvgNode 代码

文件路径：/superset-frontend/packages/superset-ui-core/src/dimension/svg/createHiddenSvgNode.ts

/*
 * 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.
 */

import { SVG_NS } from './constants';

export default function createHiddenSvgNode() {
  const svgNode = document.createElementNS(SVG_NS, 'svg');
  svgNode.style.position = 'absolute'; // so it won't disrupt page layout
  svgNode.style.top = '-100%';
  svgNode.style.left = '-100%';
  svgNode.style.width = '0'; // no dimensions
  svgNode.style.height = '0';
  svgNode.style.opacity = '0'; // not visible
  svgNode.style.pointerEvents = 'none'; // won't capture mouse events

  return svgNode;
}

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