import { a as getWindow, g as getDocument } from './ssr-window.esm.mjs';

function classesToTokens(classes) {
  if (classes === void 0) {
    classes = '';
  }
  return classes.trim().split(' ').filter(c => !!c.trim());
}

function deleteProps(obj) {
  const object = obj;
  Object.keys(object).forEach(key => {
    try {
      object[key] = null;
    } catch (e) {
      // no getter for object
    }
    try {
      delete object[key];
    } catch (e) {
      // something got wrong
    }
  });
}
function nextTick(callback, delay) {
  if (delay === void 0) {
    delay = 0;
  }
  return setTimeout(callback, delay);
}
function now() {
  return Date.now();
}
function getComputedStyle(el) {
  const window = getWindow();
  let style;
  if (window.getComputedStyle) {
    style = window.getComputedStyle(el, null);
  }
  if (!style && el.currentStyle) {
    style = el.currentStyle;
  }
  if (!style) {
    style = el.style;
  }
  return style;
}
function getTranslate(el, axis) {
  if (axis === void 0) {
    axis = 'x';
  }
  const window = getWindow();
  let matrix;
  let curTransform;
  let transformMatrix;
  const curStyle = getComputedStyle(el);
  if (window.WebKitCSSMatrix) {
    curTransform = curStyle.transform || curStyle.webkitTransform;
    if (curTransform.split(',').length > 6) {
      curTransform = curTransform.split(', ').map(a => a.replace(',', '.')).join(', ');
    }
    // Some old versions of Webkit choke when 'none' is passed; pass
    // empty string instead in this case
    transformMatrix = new window.WebKitCSSMatrix(curTransform === 'none' ? '' : curTransform);
  } else {
    transformMatrix = curStyle.MozTransform || curStyle.OTransform || curStyle.MsTransform || curStyle.msTransform || curStyle.transform || curStyle.getPropertyValue('transform').replace('translate(', 'matrix(1, 0, 0, 1,');
    matrix = transformMatrix.toString().split(',');
  }
  if (axis === 'x') {
    // Latest Chrome and webkits Fix
    if (window.WebKitCSSMatrix) curTransform = transformMatrix.m41;
    // Crazy IE10 Matrix
    else if (matrix.length === 16) curTransform = parseFloat(matrix[12]);
    // Normal Browsers
    else curTransform = parseFloat(matrix[4]);
  }
  if (axis === 'y') {
    // Latest Chrome and webkits Fix
    if (window.WebKitCSSMatrix) curTransform = transformMatrix.m42;
    // Crazy IE10 Matrix
    else if (matrix.length === 16) curTransform = parseFloat(matrix[13]);
    // Normal Browsers
    else curTransform = parseFloat(matrix[5]);
  }
  return curTransform || 0;
}
function isObject(o) {
  return typeof o === 'object' && o !== null && o.constructor && Object.prototype.toString.call(o).slice(8, -1) === 'Object';
}
function isNode(node) {
  // eslint-disable-next-line
  if (typeof window !== 'undefined' && typeof window.HTMLElement !== 'undefined') {
    return node instanceof HTMLElement;
  }
  return node && (node.nodeType === 1 || node.nodeType === 11);
}
function extend() {
  const to = Object(arguments.length <= 0 ? undefined : arguments[0]);
  const noExtend = ['__proto__', 'constructor', 'prototype'];
  for (let i = 1; i < arguments.length; i += 1) {
    const nextSource = i < 0 || arguments.length <= i ? undefined : arguments[i];
    if (nextSource !== undefined && nextSource !== null && !isNode(nextSource)) {
      const keysArray = Object.keys(Object(nextSource)).filter(key => noExtend.indexOf(key) < 0);
      for (let nextIndex = 0, len = keysArray.length; nextIndex < len; nextIndex += 1) {
        const nextKey = keysArray[nextIndex];
        const desc = Object.getOwnPropertyDescriptor(nextSource, nextKey);
        if (desc !== undefined && desc.enumerable) {
          if (isObject(to[nextKey]) && isObject(nextSource[nextKey])) {
            if (nextSource[nextKey].__swiper__) {
              to[nextKey] = nextSource[nextKey];
            } else {
              extend(to[nextKey], nextSource[nextKey]);
            }
          } else if (!isObject(to[nextKey]) && isObject(nextSource[nextKey])) {
            to[nextKey] = {};
            if (nextSource[nextKey].__swiper__) {
              to[nextKey] = nextSource[nextKey];
            } else {
              extend(to[nextKey], nextSource[nextKey]);
            }
          } else {
            to[nextKey] = nextSource[nextKey];
          }
        }
      }
    }
  }
  return to;
}
function setCSSProperty(el, varName, varValue) {
  el.style.setProperty(varName, varValue);
}
function animateCSSModeScroll(_ref) {
  let {
    swiper,
    targetPosition,
    side
  } = _ref;
  const window = getWindow();
  const startPosition = -swiper.translate;
  let startTime = null;
  let time;
  const duration = swiper.params.speed;
  swiper.wrapperEl.style.scrollSnapType = 'none';
  window.cancelAnimationFrame(swiper.cssModeFrameID);
  const dir = targetPosition > startPosition ? 'next' : 'prev';
  const isOutOfBound = (current, target) => {
    return dir === 'next' && current >= target || dir === 'prev' && current <= target;
  };
  const animate = () => {
    time = new Date().getTime();
    if (startTime === null) {
      startTime = time;
    }
    const progress = Math.max(Math.min((time - startTime) / duration, 1), 0);
    const easeProgress = 0.5 - Math.cos(progress * Math.PI) / 2;
    let currentPosition = startPosition + easeProgress * (targetPosition - startPosition);
    if (isOutOfBound(currentPosition, targetPosition)) {
      currentPosition = targetPosition;
    }
    swiper.wrapperEl.scrollTo({
      [side]: currentPosition
    });
    if (isOutOfBound(currentPosition, targetPosition)) {
      swiper.wrapperEl.style.overflow = 'hidden';
      swiper.wrapperEl.style.scrollSnapType = '';
      setTimeout(() => {
        swiper.wrapperEl.style.overflow = '';
        swiper.wrapperEl.scrollTo({
          [side]: currentPosition
        });
      });
      window.cancelAnimationFrame(swiper.cssModeFrameID);
      return;
    }
    swiper.cssModeFrameID = window.requestAnimationFrame(animate);
  };
  animate();
}
function getSlideTransformEl(slideEl) {
  return slideEl.querySelector('.swiper-slide-transform') || slideEl.shadowRoot && slideEl.shadowRoot.querySelector('.swiper-slide-transform') || slideEl;
}
function elementChildren(element, selector) {
  if (selector === void 0) {
    selector = '';
  }
  return [...element.children].filter(el => el.matches(selector));
}
function showWarning(text) {
  try {
    console.warn(text);
    return;
  } catch (err) {
    // err
  }
}
function createElement(tag, classes) {
  if (classes === void 0) {
    classes = [];
  }
  const el = document.createElement(tag);
  el.classList.add(...(Array.isArray(classes) ? classes : classesToTokens(classes)));
  return el;
}
function elementOffset(el) {
  const window = getWindow();
  const document = getDocument();
  const box = el.getBoundingClientRect();
  const body = document.body;
  const clientTop = el.clientTop || body.clientTop || 0;
  const clientLeft = el.clientLeft || body.clientLeft || 0;
  const scrollTop = el === window ? window.scrollY : el.scrollTop;
  const scrollLeft = el === window ? window.scrollX : el.scrollLeft;
  return {
    top: box.top + scrollTop - clientTop,
    left: box.left + scrollLeft - clientLeft
  };
}
function elementPrevAll(el, selector) {
  const prevEls = [];
  while (el.previousElementSibling) {
    const prev = el.previousElementSibling; // eslint-disable-line
    if (selector) {
      if (prev.matches(selector)) prevEls.push(prev);
    } else prevEls.push(prev);
    el = prev;
  }
  return prevEls;
}
function elementNextAll(el, selector) {
  const nextEls = [];
  while (el.nextElementSibling) {
    const next = el.nextElementSibling; // eslint-disable-line
    if (selector) {
      if (next.matches(selector)) nextEls.push(next);
    } else nextEls.push(next);
    el = next;
  }
  return nextEls;
}
function elementStyle(el, prop) {
  const window = getWindow();
  return window.getComputedStyle(el, null).getPropertyValue(prop);
}
function elementIndex(el) {
  let child = el;
  let i;
  if (child) {
    i = 0;
    // eslint-disable-next-line
    while ((child = child.previousSibling) !== null) {
      if (child.nodeType === 1) i += 1;
    }
    return i;
  }
  return undefined;
}
function elementParents(el, selector) {
  const parents = []; // eslint-disable-line
  let parent = el.parentElement; // eslint-disable-line
  while (parent) {
    if (selector) {
      if (parent.matches(selector)) parents.push(parent);
    } else {
      parents.push(parent);
    }
    parent = parent.parentElement;
  }
  return parents;
}
function elementTransitionEnd(el, callback) {
  function fireCallBack(e) {
    if (e.target !== el) return;
    callback.call(el, e);
    el.removeEventListener('transitionend', fireCallBack);
  }
  if (callback) {
    el.addEventListener('transitionend', fireCallBack);
  }
}
function elementOuterSize(el, size, includeMargins) {
  const window = getWindow();
  if (includeMargins) {
    return el[size === 'width' ? 'offsetWidth' : 'offsetHeight'] + parseFloat(window.getComputedStyle(el, null).getPropertyValue(size === 'width' ? 'margin-right' : 'margin-top')) + parseFloat(window.getComputedStyle(el, null).getPropertyValue(size === 'width' ? 'margin-left' : 'margin-bottom'));
  }
  return el.offsetWidth;
}

export { elementParents as a, elementOffset as b, createElement as c, now as d, elementChildren as e, elementOuterSize as f, elementIndex as g, classesToTokens as h, getTranslate as i, elementTransitionEnd as j, isObject as k, getSlideTransformEl as l, elementStyle as m, nextTick as n, elementNextAll as o, elementPrevAll as p, animateCSSModeScroll as q, showWarning as r, setCSSProperty as s, extend as t, deleteProps as u };