darktable_to_lightgallery/res/plugins/hash/lg-hash.umd.js

/*!
 * lightgallery | 2.4.0-beta.0 | December 12th 2021
 * http://www.lightgalleryjs.com/
 * Copyright (c) 2020 Sachin Neravath;
 * @license GPLv3
 */

(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.lgHash = factory());
}(this, (function () { 'use strict';

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */

    var __assign = function() {
        __assign = Object.assign || function __assign(t) {
            for (var s, i = 1, n = arguments.length; i < n; i++) {
                s = arguments[i];
                for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
            }
            return t;
        };
        return __assign.apply(this, arguments);
    };

    /**
     * List of lightGallery events
     * All events should be documented here
     * Below interfaces are used to build the website documentations
     * */
    var lGEvents = {
        afterAppendSlide: 'lgAfterAppendSlide',
        init: 'lgInit',
        hasVideo: 'lgHasVideo',
        containerResize: 'lgContainerResize',
        updateSlides: 'lgUpdateSlides',
        afterAppendSubHtml: 'lgAfterAppendSubHtml',
        beforeOpen: 'lgBeforeOpen',
        afterOpen: 'lgAfterOpen',
        slideItemLoad: 'lgSlideItemLoad',
        beforeSlide: 'lgBeforeSlide',
        afterSlide: 'lgAfterSlide',
        posterClick: 'lgPosterClick',
        dragStart: 'lgDragStart',
        dragMove: 'lgDragMove',
        dragEnd: 'lgDragEnd',
        beforeNextSlide: 'lgBeforeNextSlide',
        beforePrevSlide: 'lgBeforePrevSlide',
        beforeClose: 'lgBeforeClose',
        afterClose: 'lgAfterClose',
        rotateLeft: 'lgRotateLeft',
        rotateRight: 'lgRotateRight',
        flipHorizontal: 'lgFlipHorizontal',
        flipVertical: 'lgFlipVertical',
        autoplay: 'lgAutoplay',
        autoplayStart: 'lgAutoplayStart',
        autoplayStop: 'lgAutoplayStop',
    };

    var hashSettings = {
        hash: true,
        galleryId: '1',
        customSlideName: false,
    };

    var Hash = /** @class */ (function () {
        function Hash(instance, $LG) {
            // get lightGallery core plugin instance
            this.core = instance;
            this.$LG = $LG;
            // extend module default settings with lightGallery core settings
            this.settings = __assign(__assign({}, hashSettings), this.core.settings);
            return this;
        }
        Hash.prototype.init = function () {
            var _this = this;
            if (!this.settings.hash) {
                return;
            }
            this.oldHash = window.location.hash;
            setTimeout(function () {
                _this.buildFromHash();
            }, 100);
            // Change hash value on after each slide transition
            this.core.LGel.on(lGEvents.afterSlide + ".hash", this.onAfterSlide.bind(this));
            this.core.LGel.on(lGEvents.afterClose + ".hash", this.onCloseAfter.bind(this));
            // Listen hash change and change the slide according to slide value
            this.$LG(window).on("hashchange.lg.hash.global" + this.core.lgId, this.onHashchange.bind(this));
        };
        Hash.prototype.onAfterSlide = function (event) {
            var slideName = this.core.galleryItems[event.detail.index].slideName;
            slideName = this.settings.customSlideName
                ? slideName || event.detail.index
                : event.detail.index;
            if (history.replaceState) {
                history.replaceState(null, '', window.location.pathname +
                    window.location.search +
                    '#lg=' +
                    this.settings.galleryId +
                    '&slide=' +
                    slideName);
            }
            else {
                window.location.hash =
                    'lg=' + this.settings.galleryId + '&slide=' + slideName;
            }
        };
        /**
         * Get index of the slide from custom slideName. Has to be a public method. Used in hash plugin
         * @param {String} hash
         * @returns {Number} Index of the slide.
         */
        Hash.prototype.getIndexFromUrl = function (hash) {
            if (hash === void 0) { hash = window.location.hash; }
            var slideName = hash.split('&slide=')[1];
            var _idx = 0;
            if (this.settings.customSlideName) {
                for (var index = 0; index < this.core.galleryItems.length; index++) {
                    var dynamicEl = this.core.galleryItems[index];
                    if (dynamicEl.slideName === slideName) {
                        _idx = index;
                        break;
                    }
                }
            }
            else {
                _idx = parseInt(slideName, 10);
            }
            return isNaN(_idx) ? 0 : _idx;
        };
        // Build Gallery if gallery id exist in the URL
        Hash.prototype.buildFromHash = function () {
            // if dynamic option is enabled execute immediately
            var _hash = window.location.hash;
            if (_hash.indexOf('lg=' + this.settings.galleryId) > 0) {
                // This class is used to remove the initial animation if galleryId present in the URL
                this.$LG(document.body).addClass('lg-from-hash');
                var index = this.getIndexFromUrl(_hash);
                this.core.openGallery(index);
                return true;
            }
        };
        Hash.prototype.onCloseAfter = function () {
            // Reset to old hash value
            if (this.oldHash &&
                this.oldHash.indexOf('lg=' + this.settings.galleryId) < 0) {
                if (history.replaceState) {
                    history.replaceState(null, '', this.oldHash);
                }
                else {
                    window.location.hash = this.oldHash;
                }
            }
            else {
                if (history.replaceState) {
                    history.replaceState(null, document.title, window.location.pathname + window.location.search);
                }
                else {
                    window.location.hash = '';
                }
            }
        };
        Hash.prototype.onHashchange = function () {
            if (!this.core.lgOpened)
                return;
            var _hash = window.location.hash;
            var index = this.getIndexFromUrl(_hash);
            // it galleryId doesn't exist in the url close the gallery
            if (_hash.indexOf('lg=' + this.settings.galleryId) > -1) {
                this.core.slide(index, false, false);
            }
            else if (this.core.lGalleryOn) {
                this.core.closeGallery();
            }
        };
        Hash.prototype.closeGallery = function () {
            if (this.settings.hash) {
                this.$LG(document.body).removeClass('lg-from-hash');
            }
        };
        Hash.prototype.destroy = function () {
            this.core.LGel.off('.lg.hash');
            this.core.LGel.off('.hash');
            this.$LG(window).off("hashchange.lg.hash.global" + this.core.lgId);
        };
        return Hash;
    }());

    return Hash;

})));
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