text: /*
   * Copyright 2020 Google LLC
   *
   * 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
   *
   *     https://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.
   */
  /**
   * External dependencies
   */
  import {
    dataToEditorY,
    getBox,
    DANGER_ZONE_HEIGHT,
  } from '@googleforcreators/units';
  
  function calcTopOffset(box, dangerZoneOffset) {
    const { y, height } = box;
    const toTop = dangerZoneOffset + y;
    return -Number((toTop / height) * 100.0 + 100.0).toFixed(5);
  }
  
  function calcBottomOffset(box, dangerZoneOffset) {
    const { y, height } = box;
    const toBottom = 100 - y + dangerZoneOffset;
    return Number((toBottom / height) * 100.0).toFixed(5);
  }
  
  function calcLeftOffset(box) {
    const { x, width } = box;
    return -Number((x / width) * 100.0 + 100.0).toFixed(5);
  }
  
  function calcRightOffset(box) {
    const { x, width } = box;
    const toRight = 100 - x;
    return Number((toRight / width) * 100.0).toFixed(5);
  }
  
  function getOffPageOffset(element) {
    const box = getBox(element, 100, 100);
    const dangerZoneOffset = dataToEditorY(DANGER_ZONE_HEIGHT, 100);
  
    return {
      offsetTop: calcTopOffset(box, dangerZoneOffset),
      offsetBottom: calcBottomOffset(box, dangerZoneOffset),
      offsetLeft: calcLeftOffset(box),
      offsetRight: calcRightOffset(box),
    };
  }
  
  export default getOffPageOffset;
  