/******/ (() => { // webpackBootstrap
/******/ 	"use strict";
/******/ 	var __webpack_modules__ = ({

/***/ "./src/example.js":
/*!************************!*\
  !*** ./src/example.js ***!
  \************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _masonry_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./masonry.js */ "./src/masonry.js");

document.addEventListener("DOMContentLoaded", function (event) {
  var container = document.querySelector('.tiny-masonry');
  var elements = document.querySelectorAll('.tiny-masonry__item-inner');
  var masonry = new _masonry_js__WEBPACK_IMPORTED_MODULE_0__["default"](container, elements);
});

/***/ }),

/***/ "./src/masonry.js":
/*!************************!*\
  !*** ./src/masonry.js ***!
  \************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "default": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var throttle_debounce__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! throttle-debounce */ "./node_modules/throttle-debounce/esm/index.js");
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }


/**
 *  Tiny Masonry
 *
 *  @author Björn Hase
 *  @license http://opensource.org/licenses/MIT The MIT License
 *  @link https://gitea.node001.net/tiny-components/masonry
 *
 */
var Masonry = /*#__PURE__*/function () {
  /**
   *
   *
   */
  function Masonry(container, elements) {
    var _this = this;
    _classCallCheck(this, Masonry);
    this.height = 0;

    // getting elements 
    this.elements = elements;
    this.container = container;

    // getting gap for calculate from grid 
    this.gap = parseInt(getComputedStyle(this.container, 'gap').getPropertyValue('grid-gap').split(' ')[0]);

    // adding loaded event 
    this.elements.forEach(function (element) {
      var img = element.querySelector('img');
      if (img) {
        if (img.completed) {
          _this.calculate();
        } else {
          img.addEventListener('load', function () {
            _this.calculate();
          });
        }
      }
    });
    window.addEventListener('resize', (0,throttle_debounce__WEBPACK_IMPORTED_MODULE_0__.throttle)(300, function () {
      _this.calculate();
    }), false);
    window.addEventListener('scroll', (0,throttle_debounce__WEBPACK_IMPORTED_MODULE_0__.throttle)(300, function () {
      _this.calculate(true);
    }), false);
    this.calculate();
  }

  /**
   *
   *
   */
  _createClass(Masonry, [{
    key: "calculate",
    value: function calculate() {
      var onlyVisible = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
      // getting number of columns 
      if (!onlyVisible) {
        this.columns = Math.ceil(this.container.offsetWidth / this.elements[0].parentElement.offsetWidth) - 1;
        if (this.columns === 0) {
          this.columns = 1;
        }
      }
      this.height = [];
      for (var i = 0; i < this.elements.length; i++) {
        var marginTop = 0;

        // getting row 
        var row = Math.round(i / this.columns) + 1;

        // reset margin-top for the first columns 
        if (i < this.columns) {
          this.elements[i].parentElement.dataset.offsetMarginTop = 0;
        }

        // check for parent element and getting marginTop
        if (this.elements[i - this.columns] && !onlyVisible) {
          if (this.elements[i - this.columns].parentElement.dataset.offsetMarginTop) {
            marginTop += parseInt(this.elements[i - this.columns].parentElement.dataset.offsetMarginTop);
          }
          marginTop += this.elements[i - this.columns].offsetHeight;
        } else {
          marginTop = this.elements[i].parentElement.dataset.offsetMarginTop;
        }
        if (!onlyVisible) {
          this.elements[i].parentElement.dataset.offsetMarginTop = marginTop;
        }
        if (window.pageYOffset <= marginTop + this.elements[i].offsetHeight + this.gap * row && window.pageYOffset + window.innerHeight + this.gap * row >= marginTop) {
          this.elements[i].parentElement.style.marginTop = marginTop + 'px';
          this.elements[i].parentElement.style.visibility = 'visible';
        } else {
          this.elements[i].parentElement.style.visibility = 'hidden';
        }

        // add complete height for element
        this.height.push(parseInt(marginTop) + parseInt(this.elements[i].offsetHeight) + this.gap * row);
      }

      // getting heighest height
      this.height = Math.max.apply(Math, _toConsumableArray(this.height));
      if (this.height > 0) {
        this.container.style.height = this.height + 'px';
      }
    }
  }]);
  return Masonry;
}();
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (Masonry);

/***/ }),

/***/ "./src/example.scss":
/*!**************************!*\
  !*** ./src/example.scss ***!
  \**************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

__webpack_require__.r(__webpack_exports__);
// extracted by mini-css-extract-plugin


/***/ }),

/***/ "./node_modules/throttle-debounce/esm/index.js":
/*!*****************************************************!*\
  !*** ./node_modules/throttle-debounce/esm/index.js ***!
  \*****************************************************/
/***/ ((__unused_webpack___webpack_module__, __webpack_exports__, __webpack_require__) => {

__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "debounce": () => (/* binding */ debounce),
/* harmony export */   "throttle": () => (/* binding */ throttle)
/* harmony export */ });
/* eslint-disable no-undefined,no-param-reassign,no-shadow */

/**
 * Throttle execution of a function. Especially useful for rate limiting
 * execution of handlers on events like resize and scroll.
 *
 * @param {number} delay -                  A zero-or-greater delay in milliseconds. For event callbacks, values around 100 or 250 (or even higher)
 *                                            are most useful.
 * @param {Function} callback -               A function to be executed after delay milliseconds. The `this` context and all arguments are passed through,
 *                                            as-is, to `callback` when the throttled-function is executed.
 * @param {object} [options] -              An object to configure options.
 * @param {boolean} [options.noTrailing] -   Optional, defaults to false. If noTrailing is true, callback will only execute every `delay` milliseconds
 *                                            while the throttled-function is being called. If noTrailing is false or unspecified, callback will be executed
 *                                            one final time after the last throttled-function call. (After the throttled-function has not been called for
 *                                            `delay` milliseconds, the internal counter is reset).
 * @param {boolean} [options.noLeading] -   Optional, defaults to false. If noLeading is false, the first throttled-function call will execute callback
 *                                            immediately. If noLeading is true, the first the callback execution will be skipped. It should be noted that
 *                                            callback will never executed if both noLeading = true and noTrailing = true.
 * @param {boolean} [options.debounceMode] - If `debounceMode` is true (at begin), schedule `clear` to execute after `delay` ms. If `debounceMode` is
 *                                            false (at end), schedule `callback` to execute after `delay` ms.
 *
 * @returns {Function} A new, throttled, function.
 */
function throttle (delay, callback, options) {
  var _ref = options || {},
      _ref$noTrailing = _ref.noTrailing,
      noTrailing = _ref$noTrailing === void 0 ? false : _ref$noTrailing,
      _ref$noLeading = _ref.noLeading,
      noLeading = _ref$noLeading === void 0 ? false : _ref$noLeading,
      _ref$debounceMode = _ref.debounceMode,
      debounceMode = _ref$debounceMode === void 0 ? undefined : _ref$debounceMode;
  /*
   * After wrapper has stopped being called, this timeout ensures that
   * `callback` is executed at the proper times in `throttle` and `end`
   * debounce modes.
   */


  var timeoutID;
  var cancelled = false; // Keep track of the last time `callback` was executed.

  var lastExec = 0; // Function to clear existing timeout

  function clearExistingTimeout() {
    if (timeoutID) {
      clearTimeout(timeoutID);
    }
  } // Function to cancel next exec


  function cancel(options) {
    var _ref2 = options || {},
        _ref2$upcomingOnly = _ref2.upcomingOnly,
        upcomingOnly = _ref2$upcomingOnly === void 0 ? false : _ref2$upcomingOnly;

    clearExistingTimeout();
    cancelled = !upcomingOnly;
  }
  /*
   * The `wrapper` function encapsulates all of the throttling / debouncing
   * functionality and when executed will limit the rate at which `callback`
   * is executed.
   */


  function wrapper() {
    for (var _len = arguments.length, arguments_ = new Array(_len), _key = 0; _key < _len; _key++) {
      arguments_[_key] = arguments[_key];
    }

    var self = this;
    var elapsed = Date.now() - lastExec;

    if (cancelled) {
      return;
    } // Execute `callback` and update the `lastExec` timestamp.


    function exec() {
      lastExec = Date.now();
      callback.apply(self, arguments_);
    }
    /*
     * If `debounceMode` is true (at begin) this is used to clear the flag
     * to allow future `callback` executions.
     */


    function clear() {
      timeoutID = undefined;
    }

    if (!noLeading && debounceMode && !timeoutID) {
      /*
       * Since `wrapper` is being called for the first time and
       * `debounceMode` is true (at begin), execute `callback`
       * and noLeading != true.
       */
      exec();
    }

    clearExistingTimeout();

    if (debounceMode === undefined && elapsed > delay) {
      if (noLeading) {
        /*
         * In throttle mode with noLeading, if `delay` time has
         * been exceeded, update `lastExec` and schedule `callback`
         * to execute after `delay` ms.
         */
        lastExec = Date.now();

        if (!noTrailing) {
          timeoutID = setTimeout(debounceMode ? clear : exec, delay);
        }
      } else {
        /*
         * In throttle mode without noLeading, if `delay` time has been exceeded, execute
         * `callback`.
         */
        exec();
      }
    } else if (noTrailing !== true) {
      /*
       * In trailing throttle mode, since `delay` time has not been
       * exceeded, schedule `callback` to execute `delay` ms after most
       * recent execution.
       *
       * If `debounceMode` is true (at begin), schedule `clear` to execute
       * after `delay` ms.
       *
       * If `debounceMode` is false (at end), schedule `callback` to
       * execute after `delay` ms.
       */
      timeoutID = setTimeout(debounceMode ? clear : exec, debounceMode === undefined ? delay - elapsed : delay);
    }
  }

  wrapper.cancel = cancel; // Return the wrapper function.

  return wrapper;
}

/* eslint-disable no-undefined */
/**
 * Debounce execution of a function. Debouncing, unlike throttling,
 * guarantees that a function is only executed a single time, either at the
 * very beginning of a series of calls, or at the very end.
 *
 * @param {number} delay -               A zero-or-greater delay in milliseconds. For event callbacks, values around 100 or 250 (or even higher) are most useful.
 * @param {Function} callback -          A function to be executed after delay milliseconds. The `this` context and all arguments are passed through, as-is,
 *                                        to `callback` when the debounced-function is executed.
 * @param {object} [options] -           An object to configure options.
 * @param {boolean} [options.atBegin] -  Optional, defaults to false. If atBegin is false or unspecified, callback will only be executed `delay` milliseconds
 *                                        after the last debounced-function call. If atBegin is true, callback will be executed only at the first debounced-function call.
 *                                        (After the throttled-function has not been called for `delay` milliseconds, the internal counter is reset).
 *
 * @returns {Function} A new, debounced function.
 */

function debounce (delay, callback, options) {
  var _ref = options || {},
      _ref$atBegin = _ref.atBegin,
      atBegin = _ref$atBegin === void 0 ? false : _ref$atBegin;

  return throttle(delay, callback, {
    debounceMode: atBegin !== false
  });
}


//# sourceMappingURL=index.js.map


/***/ })

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