@opensig/opendesign/lib/_utils/dom.js

<p align="center"><img src="../docs/public/opendesign-logo-light.png"/></p> <h1 align="center">opendesign</h1> <p align="center">一个 Vue 3 组件库</p> <p align="center"><b>皮肤可定制，使用 TypeScript</b></p>

"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const easing = require("./easing.js");
const helper = require("./helper.js");
const is = require("./is.js");
function isDocument(val) {
  return val instanceof Document || (val == null ? void 0 : val.constructor.name) === "HTMLDocument";
}
function isHtmlElement(el) {
  if (typeof HTMLElement === "object") {
    return el instanceof HTMLElement;
  } else if (el && typeof el === "object") {
    const ele = el;
    return (ele.nodeType === 1 || ele.nodeType === 9) && typeof ele.nodeName === "string";
  }
  return false;
}
function getOffsetElement(el) {
  const offsetEl = el.offsetParent;
  if (offsetEl && offsetEl.tagName === "BODY") {
    const stylePosition = window.getComputedStyle(document.body).getPropertyValue("position");
    if (stylePosition === "static") {
      return document.documentElement;
    }
  }
  return offsetEl;
}
function getScroll(el) {
  const rlt = {
    scrollLeft: 0,
    scrollTop: 0
  };
  if (!el) {
    return rlt;
  }
  if (is.isWindow(el)) {
    rlt.scrollLeft = window.scrollX;
    rlt.scrollTop = window.scrollY;
  } else if (isDocument(el)) {
    rlt.scrollLeft = el.documentElement.scrollLeft;
    rlt.scrollTop = el.documentElement.scrollTop;
  } else {
    rlt.scrollLeft = el.scrollLeft;
    rlt.scrollTop = el.scrollTop;
  }
  return rlt;
}
function getScrollParents(el) {
  const parents = [];
  let ele = el;
  while (ele && ele !== document.documentElement) {
    const { offsetHeight, offsetWidth, scrollHeight, scrollWidth } = ele;
    if (offsetHeight < scrollHeight || offsetWidth < scrollWidth) {
      parents.push(ele);
    }
    ele = ele.parentElement;
  }
  return parents;
}
function getElementSize(el) {
  return {
    width: el.innerWidth || el.clientWidth,
    height: el.innerHeight || el.clientHeight,
    offsetWidth: el.innerWidth || el.offsetWidth,
    offsetHeight: el.innerHeight || el.offsetHeight
  };
}
function getElementBorder(el, dir) {
  const style = window.getComputedStyle(el);
  let d = [];
  {
    d = is.isArray(dir) ? dir : ["left", "right", "bottom", "top"];
  }
  const rlt = {};
  d.forEach((k) => {
    rlt[k] = parseFloat(style.getPropertyValue(`border-${k}-width`));
  });
  return rlt;
}
function supportTouch() {
  return "ontouchstart" in window;
}
function mergeClass(...classList) {
  let rlt = [];
  classList.forEach((item) => {
    if (is.isArray(item)) {
      rlt = rlt.concat(item);
    } else {
      rlt.push(item);
    }
  });
  return rlt;
}
let cancelScrollRAF = null;
function scrollTo(y, opts) {
  const { container = window, duration = 450 } = opts;
  const { scrollTop } = getScroll(container);
  const startTime = Date.now();
  if (is.isFunction(cancelScrollRAF)) {
    cancelScrollRAF();
    cancelScrollRAF = null;
  }
  return new Promise((resolve) => {
    const frameFn = () => {
      const timeStamp = Date.now();
      const time = timeStamp - startTime;
      const nextScrollTop = easing.easeInOutCubic(time > duration ? duration : time, scrollTop, y, duration);
      if (is.isWindow(container)) {
        window.scrollTo({
          left: window.scrollX,
          top: nextScrollTop,
          behavior: "instant"
        });
      } else if (isDocument(container)) {
        container.documentElement.scrollTop = nextScrollTop;
      } else {
        container.scrollTop = nextScrollTop;
      }
      if (time < duration) {
        const fn = helper.throttleRAF(frameFn);
        cancelScrollRAF = fn.cancel;
        fn();
      } else {
        helper.throttleRAF(resolve)();
      }
    };
    helper.throttleRAF(frameFn)();
  });
}
function isOverflown(element) {
  if (!element) {
    return false;
  }
  return element.scrollWidth > element.clientWidth || element.scrollHeight > element.clientHeight;
}
exports.getElementBorder = getElementBorder;
exports.getElementSize = getElementSize;
exports.getOffsetElement = getOffsetElement;
exports.getScroll = getScroll;
exports.getScrollParents = getScrollParents;
exports.isDocument = isDocument;
exports.isHtmlElement = isHtmlElement;
exports.isOverflown = isOverflown;
exports.mergeClass = mergeClass;
exports.scrollTo = scrollTo;
exports.supportTouch = supportTouch;