const PIXEL_PATTERN = /margin|padding|width|height|max|min|offset/;
const removePixel = {
  left: true,
  top: true
};
const floatMap = {
  cssFloat: 1,
  styleFloat: 1,
  float: 1
};
function getComputedStyle(node) {
  return node.nodeType === 1 ? node.ownerDocument.defaultView.getComputedStyle(node, null) : {};
}
function getStyleValue(node, type, value) {
  type = type.toLowerCase();
  if (value === "auto") {
    if (type === "height")
      return node.offsetHeight;
    if (type === "width")
      return node.offsetWidth;
  }
  if (!(type in removePixel))
    removePixel[type] = PIXEL_PATTERN.test(type);
  return removePixel[type] ? parseFloat(value) || 0 : value;
}
function get(node, name) {
  const length = arguments.length;
  const style = getComputedStyle(node);
  name = floatMap[name] ? "cssFloat" in node.style ? "cssFloat" : "styleFloat" : name;
  return length === 1 ? style : getStyleValue(node, name, style[name] || node.style[name]);
}
function set(node, name, value) {
  const length = arguments.length;
  name = floatMap[name] ? "cssFloat" in node.style ? "cssFloat" : "styleFloat" : name;
  if (length === 3) {
    if (typeof value === "number" && PIXEL_PATTERN.test(name))
      value = `${value}px`;
    node.style[name] = value;
    return value;
  }
  for (const x in name) {
    if (name.hasOwnProperty(x))
      set(node, x, name[x]);
  }
  return getComputedStyle(node);
}
function getOuterWidth(el) {
  if (el === document.body)
    return document.documentElement.clientWidth;
  return el.offsetWidth;
}
function getOuterHeight(el) {
  if (el === document.body)
    return window.innerHeight || document.documentElement.clientHeight;
  return el.offsetHeight;
}
function getDocSize() {
  const width = Math.max(document.documentElement.scrollWidth, document.body.scrollWidth);
  const height = Math.max(document.documentElement.scrollHeight, document.body.scrollHeight);
  return {
    width,
    height
  };
}
function getClientSize() {
  const width = document.documentElement.clientWidth;
  const height = window.innerHeight || document.documentElement.clientHeight;
  return {
    width,
    height
  };
}
function getScroll() {
  return {
    scrollLeft: Math.max(document.documentElement.scrollLeft, document.body.scrollLeft),
    scrollTop: Math.max(document.documentElement.scrollTop, document.body.scrollTop)
  };
}
function getOffset(node) {
  const box = node.getBoundingClientRect();
  const docElem = document.documentElement;
  return {
    left: box.left + (window.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || document.body.clientLeft || 0),
    top: box.top + (window.pageYOffset || docElem.scrollTop) - (docElem.clientTop || document.body.clientTop || 0)
  };
}

export { get, getClientSize, getDocSize, getOffset, getOuterHeight, getOuterWidth, getScroll, set };
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