vue-cesium/es/utils/private/scroll.mjs.map

Vue 3.x components for CesiumJS.

{"version":3,"file":"scroll.mjs","sources":["../../../../../packages/utils/private/scroll.ts"],"sourcesContent":["import { css, getElement } from './dom'\n\nconst scrollTargets = [null, document, document.body, document.scrollingElement, document.documentElement]\n\nexport function getScrollTarget(el, targetEl) {\n  let target = getElement(targetEl)\n\n  if (target === void 0) {\n    if (el === void 0 || el === null) {\n      return window\n    }\n\n    target = el.closest('.scroll,.scroll-y,.overflow-auto')\n  }\n\n  return scrollTargets.includes(target) ? window : target\n}\n\nexport function getScrollHeight(el) {\n  return (el === window ? document.body : el).scrollHeight\n}\n\nexport function getScrollWidth(el) {\n  return (el === window ? document.body : el).scrollWidth\n}\n\nexport function getVerticalScrollPosition(scrollTarget) {\n  return scrollTarget === window ? window.pageYOffset || window.scrollY || document.body.scrollTop || 0 : scrollTarget.scrollTop\n}\n\nexport function getHorizontalScrollPosition(scrollTarget) {\n  return scrollTarget === window ? window.pageXOffset || window.scrollX || document.body.scrollLeft || 0 : scrollTarget.scrollLeft\n}\n\nexport function animVerticalScrollTo(el, to, duration = 0, prevTime?) {\n  prevTime = prevTime || performance.now()\n  const pos = getVerticalScrollPosition(el)\n\n  if (duration <= 0) {\n    if (pos !== to) {\n      setScroll(el, to)\n    }\n    return\n  }\n\n  requestAnimationFrame(nowTime => {\n    const frameTime = nowTime - prevTime\n    const newPos = pos + ((to - pos) / Math.max(frameTime, duration)) * frameTime\n    setScroll(el, newPos)\n    if (newPos !== to) {\n      animVerticalScrollTo(el, to, duration - frameTime, nowTime)\n    }\n  })\n}\n\nexport function animHorizontalScrollTo(el, to, duration = 0, prevTime?) {\n  prevTime = prevTime || performance.now()\n  const pos = getHorizontalScrollPosition(el)\n\n  if (duration <= 0) {\n    if (pos !== to) {\n      setHorizontalScroll(el, to)\n    }\n    return\n  }\n\n  requestAnimationFrame(nowTime => {\n    const frameTime = nowTime - prevTime\n    const newPos = pos + ((to - pos) / Math.max(frameTime, duration)) * frameTime\n    setHorizontalScroll(el, newPos)\n    if (newPos !== to) {\n      animHorizontalScrollTo(el, to, duration - frameTime, nowTime)\n    }\n  })\n}\n\nfunction setScroll(scrollTarget, offset) {\n  if (scrollTarget === window) {\n    window.scrollTo(window.pageXOffset || window.scrollX || document.body.scrollLeft || 0, offset)\n    return\n  }\n  scrollTarget.scrollTop = offset\n}\n\nfunction setHorizontalScroll(scrollTarget, offset) {\n  if (scrollTarget === window) {\n    window.scrollTo(offset, window.pageYOffset || window.scrollY || document.body.scrollTop || 0)\n    return\n  }\n  scrollTarget.scrollLeft = offset\n}\n\nexport function setVerticalScrollPosition(scrollTarget, offset, duration) {\n  if (duration) {\n    animVerticalScrollTo(scrollTarget, offset, duration)\n    return\n  }\n  setScroll(scrollTarget, offset)\n}\n\nexport function setHorizontalScrollPosition(scrollTarget, offset, duration) {\n  if (duration) {\n    animHorizontalScrollTo(scrollTarget, offset, duration)\n    return\n  }\n  setHorizontalScroll(scrollTarget, offset)\n}\n\nlet size\nexport function getScrollbarWidth() {\n  if (size !== undefined) {\n    return size\n  }\n\n  const inner = document.createElement('p'),\n    outer = document.createElement('div')\n\n  css(inner, {\n    width: '100%',\n    height: '200px'\n  })\n  css(outer, {\n    position: 'absolute',\n    top: '0px',\n    left: '0px',\n    visibility: 'hidden',\n    width: '200px',\n    height: '150px',\n    overflow: 'hidden'\n  })\n\n  outer.appendChild(inner)\n\n  document.body.appendChild(outer)\n\n  const w1 = inner.offsetWidth\n  outer.style.overflow = 'scroll'\n  let w2 = inner.offsetWidth\n\n  if (w1 === w2) {\n    w2 = outer.clientWidth\n  }\n\n  outer.remove()\n  size = w1 - w2\n\n  return size\n}\n\nexport function hasScrollbar(el, onY = true) {\n  if (!el || el.nodeType !== Node.ELEMENT_NODE) {\n    return false\n  }\n\n  return onY\n    ? el.scrollHeight > el.clientHeight &&\n        (el.classList.contains('scroll') ||\n          el.classList.contains('overflow-auto') ||\n          ['auto', 'scroll'].includes(window.getComputedStyle(el)['overflow-y']))\n    : el.scrollWidth > el.clientWidth &&\n        (el.classList.contains('scroll') ||\n          el.classList.contains('overflow-auto') ||\n          ['auto', 'scroll'].includes(window.getComputedStyle(el)['overflow-x']))\n}\n\nexport default {\n  getScrollTarget,\n\n  getScrollHeight,\n  getScrollWidth,\n\n  getVerticalScrollPosition,\n  getHorizontalScrollPosition,\n\n  animVerticalScrollTo,\n  animHorizontalScrollTo,\n\n  setVerticalScrollPosition,\n  setHorizontalScrollPosition,\n\n  getScrollbarWidth,\n  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