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masonry/example/example.js

476 lines
20 KiB

/******/ (() => { // 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 masonry = new _masonry_js__WEBPACK_IMPORTED_MODULE_0__["default"]();
});
/***/ }),
/***/ "./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 _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() {
var _this = this;
_classCallCheck(this, Masonry);
// getting elements
this.elements = document.querySelectorAll('.tiny-masonry__item-inner');
this.container = document.querySelector('.tiny-masonry');
// getting gap for calculate from grid
this.gap = parseInt(getComputedStyle(this.container, 'gap').getPropertyValue('grid-gap').split(' ')[0]);
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);
}
/**
*
*
*/
_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;
}
}
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';
}
}
}
}]);
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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;