Merged in feature/plugins-update (pull request #9)

wp plugin updates from pantheon

* wp plugin updates from pantheon

wp/wp-content/plugins/facetwp/assets/js/src/accessibility.js

@@ -0,0 +1,104 @@
+(function($) {
+    var last_checked = null;
+
+    if ('undefined' !== typeof FWP.hooks) {
+        FWP.hooks.addAction('facetwp/loaded', function() {
+
+            // checkbox, radio, fselect
+            $('.facetwp-checkbox, .facetwp-radio, .fs-option').each(function() {
+                let $el = $(this);
+                if (! $el.hasClass('disabled')) {
+                    $el.attr('role', 'checkbox');
+                    $el.attr('aria-checked', $el.hasClass('checked') ? 'true' : 'false');
+                    $el.attr('aria-label', $el.text());
+                    $el.attr('tabindex', 0);
+                }
+            });
+
+            // pager, show more, user selections, hierarchy
+            $('.facetwp-page, .facetwp-toggle, .facetwp-selection-value, .facetwp-link').each(function() {
+                let $el = $(this);
+                let label = $el.text();
+
+                if ($el.hasClass('facetwp-page')) {
+                    label = FWP_JSON.a11y.label_page + ' ' + label;
+
+                    if ($el.hasClass('next')) {
+                        label = FWP_JSON.a11y.label_page_next;
+                    }
+                    else if ($el.hasClass('prev')) {
+                        label = FWP_JSON.a11y.label_page_prev;
+                    }
+                }
+
+                $el.attr('role', 'link');
+                $el.attr('aria-label', label);
+                $el.attr('tabindex', 0);
+            });
+
+            // dropdown, sort facet, old sort feature
+            $('.facetwp-type-dropdown select, .facetwp-type-sort select, .facetwp-sort-select select').each(function() {
+                $(this).attr('aria-label', $(this).find('option:selected').text());
+            });
+
+            // search, date
+            $('.facetwp-search, .facetwp-date').each(function() {
+                $(this).attr('aria-label', $(this).attr('placeholder'));
+            });
+
+            // checkbox group
+            $('.facetwp-type-checkboxes').each(function() {
+                let facet_name = $(this).attr('data-name');
+                $(this).attr('aria-label', FWP.settings.labels[facet_name]);
+                $(this).attr('role', 'group');
+            });
+
+            // fselect
+            $('.fs-wrap').each(function() {
+                $(this).attr('role', 'button');
+                $(this).attr('aria-haspopup', 'true');
+                $(this).attr('aria-expanded', $(this).hasClass('fs-open') ? 'true' : 'false');
+            });
+
+            $('.facetwp-type-fselect .facetwp-dropdown').attr('aria-hidden', 'true');
+
+            // pager
+            $('.facetwp-pager').attr('role', 'navigation');
+            $('.facetwp-page.active').attr('aria-current', 'true');
+
+            // focus on selection
+            if (null != last_checked) {
+                var $el = $('.facetwp-facet [data-value="' + last_checked + '"]');
+                if ($el.len()) {
+                    $el.nodes[0].focus();
+                }
+                last_checked = null;
+            }
+        }, 999);
+    }
+
+    // keyboard support
+    $().on('keydown', '.facetwp-checkbox, .facetwp-radio, .facetwp-link', function(e) {
+        if (32 == e.keyCode || 13 == e.keyCode) {
+            last_checked = $(this).attr('data-value');
+            e.preventDefault();
+            this.click();
+        }
+    });
+
+    $().on('keydown', '.facetwp-page, .facetwp-toggle, .facetwp-selection-value', function(e) {
+        if (32 == e.keyCode || 13 == e.keyCode) {
+            e.preventDefault();
+            this.click();
+        }
+    });
+
+    // fselect - determine "aria-expanded"
+    function toggleExpanded(e) {
+        var $fs = $(e.detail[0]);
+        $fs.attr('aria-expanded', $fs.hasClass('fs-open') ? 'true' : 'false');
+    }
+
+    $().on('fs:opened', toggleExpanded);
+    $().on('fs:closed', toggleExpanded);
+})(fUtil);

wp/wp-content/plugins/facetwp/assets/js/src/deprecated.js

@@ -0,0 +1,10 @@
+FWP.deprecated = (old_method, new_method, ...args) => {
+    console.warn('FWP.' + old_method + '() has changed to FWP.' + new_method + '()');
+    return FWP[new_method](...args);
+};
+FWP.build_post_data = (...args) => FWP.deprecated('build_post_data', 'buildPostData', ...args);
+FWP.build_query_string = (...args) => FWP.deprecated('build_query_string', 'buildQueryString', ...args);
+FWP.fetch_data = (...args) => FWP.deprecated('fetch_data', 'fetchData', ...args);
+FWP.load_from_hash = (...args) => FWP.deprecated('load_from_hash', 'loadFromHash', ...args);
+FWP.parse_facets = (...args) => FWP.deprecated('parse_facets', 'parseFacets', ...args);
+FWP.set_hash = (...args) => FWP.deprecated('set_hash', 'setHash', ...args);

wp/wp-content/plugins/facetwp/assets/js/src/event-manager.js

@@ -0,0 +1,6 @@
+/**
+ * WP-JS-Hooks
+ * @version 1.0.0
+ * @author Carl Danley & 10up
+ */
+!function(t,n){"use strict";t.FWP=t.FWP||{},t.FWP.hooks=t.FWP.hooks||new function(){function t(t,n,r,i){var e,o,c;if(f[t][n])if(r)if(e=f[t][n],i)for(c=e.length;c--;)(o=e[c]).callback===r&&o.context===i&&e.splice(c,1);else for(c=e.length;c--;)e[c].callback===r&&e.splice(c,1);else f[t][n]=[]}function n(t,n,i,e,o){var c={callback:i,priority:e,context:o},l=f[t][n];l?(l.push(c),l=r(l)):l=[c],f[t][n]=l}function r(t){for(var n,r,i,e=1,o=t.length;e<o;e++){for(n=t[e],r=e;(i=t[r-1])&&i.priority>n.priority;)t[r]=t[r-1],--r;t[r]=n}return t}function i(t,n,r){var i,e,o=f[t][n];if(!o)return"filters"===t&&r[0];if(e=o.length,"filters"===t)for(i=0;i<e;i++)r[0]=o[i].callback.apply(o[i].context,r);else for(i=0;i<e;i++)o[i].callback.apply(o[i].context,r);return"filters"!==t||r[0]}var e=Array.prototype.slice,o={removeFilter:function(n,r){return"string"==typeof n&&t("filters",n,r),o},applyFilters:function(){var t=e.call(arguments),n=t.shift();return"string"==typeof n?i("filters",n,t):o},addFilter:function(t,r,i,e){return"string"==typeof t&&"function"==typeof r&&n("filters",t,r,i=parseInt(i||10,10),e),o},removeAction:function(n,r){return"string"==typeof n&&t("actions",n,r),o},doAction:function(){var t=e.call(arguments),n=t.shift();return"string"==typeof n&&i("actions",n,t),o},addAction:function(t,r,i,e){return"string"==typeof t&&"function"==typeof r&&n("actions",t,r,i=parseInt(i||10,10),e),o}},f={actions:{},filters:{}};return o}}(window);

wp/wp-content/plugins/facetwp/assets/js/src/front.js

@@ -0,0 +1,659 @@
+window.FWP = (($) => {
+
+    class FacetWP {
+        constructor() {
+            this.import();
+            this.bindEvents();
+        }
+
+        import() {
+            if ('undefined' !== typeof FWP) {
+                $.each(FWP, (val, key) => this[key] = val);
+            }
+        }
+
+        init() {
+            var FWP = this;
+
+            this.setDefaults();
+
+            if (0 < $('.facetwp-sort').len()) {
+                FWP.extras.sort = 'default';
+            }
+
+            if (0 < $('.facetwp-pager').len()) {
+                FWP.extras.pager = true;
+            }
+
+            if (0 < $('.facetwp-per-page').len()) {
+                FWP.extras.per_page = 'default';
+            }
+
+            if (0 < $('.facetwp-counts').len()) {
+                FWP.extras.counts = true;
+            }
+
+            if (0 < $('.facetwp-selections').len()) {
+                FWP.extras.selections = true;
+            }
+
+            // Make sure there's a template
+            var has_template = $('.facetwp-template').len() > 0;
+
+            if (! has_template) {
+                var has_loop = FWP.helper.detectLoop(document.body);
+
+                if (has_loop) {
+                    $(has_loop).addClass('facetwp-template');
+                }
+                else {
+                    return;
+                }
+            }
+
+            var $div = $('.facetwp-template').first();
+            FWP.template = $div.attr('data-name') ? $div.attr('data-name') : 'wp';
+
+            // Facets inside the template?
+            if ($div.find('.facetwp-facet').len() > 0) {
+                console.error('Facets should not be inside the "facetwp-template" container');
+            }
+
+            FWP.hooks.doAction('facetwp/ready');
+
+            // Generate the user selections
+            if (FWP.extras.selections) {
+                FWP.hooks.addAction('facetwp/loaded', () => {
+
+                    var selections = '';
+                    var skipped = ['pager', 'reset', 'sort'];
+
+                    $.each(FWP.facets, (val, key) => {
+                        if (val.length < 1 || ! $.isset(FWP.settings.labels[key]) || skipped.includes(FWP.facet_type[key])) {
+                            return true; // skip facet
+                        }
+
+                        var choices = val;
+                        var $el = $('.facetwp-facet-' + key);
+                        var facet_type = $el.attr('data-ui') || $el.attr('data-type');
+                        choices = FWP.hooks.applyFilters('facetwp/selections/' + facet_type, choices, {
+                            'el': $el,
+                            'selected_values': choices
+                        });
+
+                        if (choices.length) {
+                            if ('string' === typeof choices) {
+                                choices = [{ value: '', label: choices }];
+                            }
+                            else if (! $.isset(choices[0].label)) {
+                                choices = [{ value: '', label: choices[0] }];
+                            }
+                        }
+
+                        var values = '';
+                        $.each(choices, (choice) => {
+                            values += '<span class="facetwp-selection-value" data-value="' + choice.value + '">' + FWP.helper.escapeHtml(choice.label) + '</span>';
+                        });
+
+                        selections += '<li data-facet="' + key + '"><span class="facetwp-selection-label">' + FWP.settings.labels[key] + ':</span> ' + values + '</li>';
+                    });
+
+                    if ('' !== selections) {
+                        selections = '<ul>' + selections + '</ul>';
+                    }
+
+                    $('.facetwp-selections').html(selections);
+                });
+            }
+
+            FWP.refresh();
+        }
+
+        setDefaults() {
+            let defaults = {
+                'facets': {},
+                'template': null,
+                'settings': {},
+                'is_reset': false,
+                'is_refresh': false,
+                'is_bfcache': false,
+                'is_hash_click': false,
+                'is_load_more': false,
+                'auto_refresh': true,
+                'soft_refresh': false,
+                'frozen_facets': {},
+                'active_facet': null,
+                'facet_type': {},
+                'loaded': false,
+                'extras': {},
+                'paged': 1
+            };
+
+            for (var prop in defaults) {
+                if (!$.isset(this[prop])) {
+                    this[prop] = defaults[prop];
+                }
+            }
+        }
+
+        refresh() {
+            FWP.is_refresh = true;
+
+            // Add the loading overlay
+            FWP.toggleOverlay('on');
+
+            // Load facet DOM values
+            if (! FWP.is_reset) {
+                FWP.parseFacets();
+            }
+
+            // Check the URL on pageload
+            if (! FWP.loaded) {
+                FWP.loadFromHash();
+            }
+
+            // Fire a notification event
+            $().trigger('facetwp-refresh');
+
+            // Trigger window.onpopstate
+            if (FWP.loaded && ! FWP.is_popstate && ! FWP.is_load_more) {
+                FWP.setHash();
+            }
+
+            // Preload?
+            if (! FWP.loaded && ! FWP.is_bfcache && $.isset(FWP_JSON.preload_data)) {
+                FWP.render(FWP_JSON.preload_data);
+            }
+            else {
+                FWP.fetchData();
+            }
+
+            // Unfreeze any soft-frozen facets
+            $.each(FWP.frozen_facets, (type, name) => {
+                if ('hard' !== type) {
+                    delete FWP.frozen_facets[name];
+                }
+            });
+
+            // Cleanup
+            FWP.paged = 1;
+            FWP.soft_refresh = false;
+            FWP.is_refresh = false;
+            FWP.is_reset = false;
+        }
+
+        autoload() {
+            if (FWP.auto_refresh && ! FWP.is_refresh) {
+                FWP.refresh();
+            }
+        }
+
+        parseFacets() {
+            FWP.facets = {};
+
+            $('.facetwp-facet').each(function() {
+                var $this = $(this);
+                var facet_name = $this.attr('data-name');
+                var facet_type = $this.attr('data-type');
+                var is_ignored = $this.hasClass('facetwp-ignore');
+
+                if (null !== $this.attr('data-ui')) {
+                    facet_type = $this.attr('data-ui');
+                }
+
+                // Store the facet type
+                FWP.facet_type[facet_name] = facet_type;
+
+                // Plugin hook
+                if (! is_ignored) {
+                    FWP.hooks.doAction('facetwp/refresh/' + facet_type, $this, facet_name);
+                }
+            });
+        }
+
+        buildQueryString() {
+            var query_string = '';
+
+            // Non-FacetWP URL variables
+            var hash = [];
+            var get_str = window.location.search.replace('?', '').split('&');
+            $.each(get_str, (val) => {
+                var param_name = val.split('=')[0];
+                if (0 !== param_name.indexOf(FWP_JSON.prefix)) {
+                    hash.push(val);
+                }
+            });
+            hash = hash.join('&');
+
+            // FacetWP URL variables
+            var fwp_vars = Object.assign({}, FWP.facets);
+
+            // Add pagination to the URL hash
+            if (1 < FWP.paged) {
+                fwp_vars['paged'] = FWP.paged;
+            }
+
+            // Add "per page" to the URL hash
+            if (FWP.extras.per_page && 'default' !== FWP.extras.per_page) {
+                fwp_vars['per_page'] = FWP.extras.per_page;
+            }
+
+            // Add sorting to the URL hash
+            if (FWP.extras.sort && 'default' !== FWP.extras.sort) {
+                fwp_vars['sort'] = FWP.extras.sort;
+            }
+
+            fwp_vars = FWP.helper.serialize(fwp_vars, FWP_JSON.prefix);
+
+            if ('' !== hash) {
+                query_string += hash;
+            }
+            if ('' !== fwp_vars) {
+                query_string += ('' !== hash ? '&' : '') + fwp_vars;
+            }
+
+            return query_string;
+        }
+
+        setHash() {
+            var query_string = FWP.buildQueryString();
+
+            if ('' !== query_string) {
+                query_string = '?' + query_string;
+            }
+
+            if (history.pushState) {
+                history.pushState(null, null, window.location.pathname + query_string);
+            }
+
+            // Update FWP_HTTP.get
+            FWP_HTTP.get = {};
+            window.location.search.replace('?', '').split('&').forEach((el) => {
+                var item = el.split('=');
+
+                if ('' != item[0]) {
+                    FWP_HTTP.get[item[0]] = item[1];
+                }
+            });
+        }
+
+        loadFromHash() {
+            var hash = [];
+            var get_str = window.location.search.replace('?', '').split('&');
+            $.each(get_str, (val) => {
+                var param_name = val.split('=')[0];
+                if (0 === param_name.indexOf(FWP_JSON.prefix)) {
+                    hash.push(val.replace(FWP_JSON.prefix, ''));
+                }
+            });
+            hash = hash.join('&');
+
+            // Reset facet values
+            $.each(FWP.facets, (val, key) => {
+                FWP.facets[key] = [];
+            });
+
+            FWP.paged = 1;
+            FWP.extras.sort = 'default';
+
+            if ('' !== hash) {
+                hash = hash.split('&');
+                $.each(hash, (chunk) => {
+                    var obj = chunk.split('=')[0];
+                    var val = chunk.split('=')[1];
+
+                    if ('paged' === obj) {
+                        FWP.paged = val;
+                    }
+                    else if ('per_page' === obj || 'sort' === obj) {
+                        FWP.extras[obj] = val;
+                    }
+                    else if ('' !== val) {
+                        var type = $.isset(FWP.facet_type[obj]) ? FWP.facet_type[obj] : '';
+                        if ('search' === type || 'autocomplete' === type) {
+                            FWP.facets[obj] = decodeURIComponent(val);
+                        }
+                        else {
+                            FWP.facets[obj] = decodeURIComponent(val).split(',');
+                        }
+                    }
+                });
+            }
+        }
+
+        buildPostData() {
+            return {
+                'facets': FWP.facets,
+                'frozen_facets': FWP.frozen_facets,
+                'http_params': FWP_HTTP,
+                'template': FWP.template,
+                'extras': FWP.extras,
+                'soft_refresh': FWP.soft_refresh ? 1 : 0,
+                'is_bfcache': FWP.is_bfcache ? 1 : 0,
+                'first_load': FWP.loaded ? 0 : 1,
+                'paged': FWP.paged
+            };
+        }
+
+        fetchData() {
+            var endpoint = ('wp' === FWP.template) ? document.URL : FWP_JSON.ajaxurl;
+            var data = {
+                action: 'facetwp_refresh',
+                data: FWP.buildPostData()
+            };
+
+            var settings = {
+                dataType: 'text', // better JSON error handling
+                done: (resp) => {
+                    try {
+                        var json = JSON.parse(resp);
+                        FWP.render(json);
+                    }
+                    catch(e) {
+                        var pos = resp.indexOf('{"facets');
+                        if (-1 < pos) {
+                            var json = JSON.parse(resp.substr(pos));
+                            FWP.render(json);
+                        }
+                        else {
+                            $('.facetwp-template').text('FacetWP was unable to auto-detect the post listing');
+                            console.log(resp);
+                        }
+                    }
+                },
+                fail: (err) => {
+                    console.log(err);
+                }
+            };
+
+            settings = FWP.hooks.applyFilters('facetwp/ajax_settings', settings);
+
+            $.post(endpoint, data, settings);
+        }
+
+        render(response) {
+            FWP.response = response;
+
+            // Don't render CSS-based (or empty) templates on pageload
+            // The template has already been pre-loaded
+            if (('wp' === FWP.template || '' === response.template) && ! FWP.loaded && ! FWP.is_bfcache) {
+                var inject = false;
+            }
+            else {
+                var inject = response.template;
+
+                if ('wp' === FWP.template) {
+                    var obj = $(response.template);
+                    var $tpl = obj.find('.facetwp-template');
+
+                    if ($tpl.len() < 1) {
+                        var loop = FWP.helper.detectLoop(obj.nodes[0]);
+
+                        if (loop) {
+                            $tpl = $(loop).addClass('facetwp-template');
+                        }
+                    }
+
+                    if ($tpl.len() > 0) {
+                        var inject = $tpl.html();
+                    }
+                    else {
+                        // Fallback until "loop_no_results" action is added to WP core
+                        var inject = FWP_JSON['no_results_text'];
+                    }
+                }
+            }
+
+            if (false !== inject) {
+                if (! FWP.hooks.applyFilters('facetwp/template_html', false, { 'response': response, 'html': inject })) {
+                    $('.facetwp-template').html(inject);
+                }
+            }
+
+            // Populate each facet box
+            $.each(response.facets, (val, name) => {
+                $('.facetwp-facet-' + name).html(val);
+            });
+
+            // Populate the counts
+            if ($.isset(response.counts)) {
+                $('.facetwp-counts').html(response.counts);
+            }
+
+            // Populate the pager
+            if ($.isset(response.pager)) {
+                $('.facetwp-pager').html(response.pager);
+            }
+
+            // Populate the "per page" box
+            if ($.isset(response.per_page)) {
+                $('.facetwp-per-page').html(response.per_page);
+                if ('default' !== FWP.extras.per_page) {
+                    $('.facetwp-per-page-select').val(FWP.extras.per_page);
+                }
+            }
+
+            // Populate the sort box
+            if ($.isset(response.sort)) {
+                $('.facetwp-sort').html(response.sort);
+                $('.facetwp-sort-select').val(FWP.extras.sort);
+            }
+
+            // Populate the settings object (iterate to preserve static facet settings)
+            $.each(response.settings, (val, key) => {
+                FWP.settings[key] = val;
+            });
+
+            // WP Playlist support
+            if ('function' === typeof WPPlaylistView) {
+                $('.facetwp-template .wp-playlist').each((item) => {
+                    return new WPPlaylistView({ el: item });
+                });
+            }
+
+            // Fire a notification event
+            $().trigger('facetwp-loaded');
+
+            // Allow final actions
+            FWP.hooks.doAction('facetwp/loaded');
+
+            // Remove the loading overlay
+            FWP.toggleOverlay('off');
+
+            // Clear the active facet
+            FWP.active_facet = null;
+
+            // Detect "back-forward" cache
+            FWP.is_bfcache = true;
+
+            // Done loading?
+            FWP.loaded = true;
+        }
+
+        reset(facets) {
+            FWP.parseFacets();
+
+            var opts = {};
+
+            if ('string' === typeof facets) {
+                opts[facets] = '';
+            }
+            else if (Array.isArray(facets)) {
+                $.each(facets, (facet_name) => {
+                    opts[facet_name] = '';
+                });
+            }
+            else if ('object' === typeof facets && !! facets) {
+                opts = facets;
+            }
+
+            var reset_all = Object.keys(opts).length < 1;
+
+            $.each(FWP.facets, (vals, facet_name) => {
+                var has_reset = $.isset(opts[facet_name]);
+                var selected_vals = Array.isArray(vals) ? vals : [vals];
+
+                if (has_reset && -1 < selected_vals.indexOf(opts[facet_name])) {
+                    var pos = selected_vals.indexOf(opts[facet_name]);
+                    selected_vals.splice(pos, 1); // splice() is mutable!
+                    FWP.facets[facet_name] = selected_vals;
+                }
+
+                if (has_reset && (selected_vals.length < 1 || '' === opts[facet_name])) {
+                    delete FWP.frozen_facets[facet_name];
+                }
+
+                if (reset_all || (has_reset && '' === opts[facet_name])) {
+                    FWP.facets[facet_name] = [];
+                }
+            });
+
+            if (reset_all) {
+                FWP.extras.per_page = 'default';
+                FWP.extras.sort = 'default';
+                FWP.frozen_facets = {};
+            }
+
+            FWP.hooks.doAction('facetwp/reset');
+            FWP.is_reset = true;
+            FWP.refresh();
+        }
+
+        toggleOverlay(which) {
+            var method = ('on' === which) ? 'addClass' : 'removeClass';
+            $('.facetwp-facet')[method]('is-loading');
+        }
+
+        bindEvents() {
+            window.addEventListener('popstate', () => {
+
+                // Detect browser "back-foward" cache
+                if (FWP.is_bfcache) {
+                    FWP.loaded = false;
+                }
+
+                if ((FWP.loaded || FWP.is_bfcache) && ! FWP.is_refresh && ! FWP.is_hash_click) {
+                    FWP.is_popstate = true;
+                    FWP.refresh();
+                    FWP.is_popstate = false;
+                }
+
+                FWP.is_hash_click = false;
+            });
+
+            // Prevent hash clicks from triggering a refresh
+            $().on('click', 'a[href^="#"]', () => {
+                FWP.is_hash_click = true;
+            });
+
+            // Click on a user selection
+            $().on('click', '.facetwp-selections .facetwp-selection-value', function() {
+                if (FWP.is_refresh) {
+                    return;
+                }
+
+                var facet_name = $(this).closest('li').attr('data-facet');
+                var facet_value = $(this).attr('data-value');
+
+                if ('' != facet_value) {
+                    var obj = {};
+                    obj[facet_name] = facet_value;
+                    FWP.reset(obj);
+                }
+                else {
+                    FWP.reset(facet_name);
+                }
+            });
+
+            // Pagination
+            $().on('click', '.facetwp-page[data-page]', function() {
+                $('.facetwp-page').removeClass('active');
+                $(this).addClass('active');
+
+                FWP.paged = $(this).attr('data-page');
+                FWP.soft_refresh = true;
+                FWP.refresh();
+            });
+
+            // Use jQuery if available for select2
+            var $f = ('function' === typeof jQuery) ? jQuery : fUtil;
+
+            // Per page
+            $f(document).on('change', '.facetwp-per-page-select', function() {
+                FWP.extras.per_page = $(this).val();
+                FWP.soft_refresh = true;
+                FWP.autoload();
+            });
+
+            // Sorting
+            $f(document).on('change', '.facetwp-sort-select', function() {
+                FWP.extras.sort = $(this).val();
+                FWP.soft_refresh = true;
+                FWP.autoload();
+            });
+
+            $f(() => {
+                this.init();
+            });
+        }
+    }
+
+    FacetWP.prototype.helper = {
+        getUrlVar: (name) => {
+            var name = FWP_JSON.prefix + name;
+            var url_vars = window.location.search.replace('?', '').split('&');
+            for (var i = 0; i < url_vars.length; i++) {
+                var item = url_vars[i].split('=');
+                if (item[0] === name) {
+                    return item[1];
+                }
+            }
+            return false;
+        },
+        debounce: (func, wait) => {
+            var timeout;
+            return function(...args) {
+                var boundFunc = func.bind(this, ...args);
+                clearTimeout(timeout);
+                timeout = setTimeout(boundFunc, wait);
+            };
+        },
+        serialize: (obj, prefix) => {
+            var str = [];
+            var prefix = $.isset(prefix) ? prefix : '';
+            for (var p in obj) {
+                if ('' != obj[p]) { // Needs to be "!=" instead of "!=="
+                    str.push(prefix + encodeURIComponent(p) + '=' + encodeURIComponent(obj[p]));
+                }
+            }
+            return str.join('&');
+        },
+        escapeHtml: (text) => {
+            var map = {
+                '&': '&amp;',
+                '<': '&lt;',
+                '>': '&gt;',
+                '"': '&quot;',
+                "'": '&#039;'
+            };
+            return text.replace(/[&<>"']/g,(m) => map[m]).trim();
+        },
+        detectLoop: (node) => {
+            var curNode = null;
+            var iterator = document.createNodeIterator(node, NodeFilter.SHOW_COMMENT, () => {
+                return NodeFilter.FILTER_ACCEPT; /* IE expects a function */
+            }, false);
+
+            while (curNode = iterator.nextNode()) {
+                if (8 === curNode.nodeType && 'fwp-loop' === curNode.nodeValue) {
+                    return curNode.parentNode;
+                }
+            }
+
+            return false;
+        }
+    };
+
+    return new FacetWP();
+
+})(fUtil);

wp/wp-content/plugins/facetwp/assets/js/src/sample.json

@@ -0,0 +1 @@
+{"facets":[{"name":"categories","label":"Categories","type":"checkboxes","source":"tax/category","parent_term":"","hierarchical":"no","show_expanded":"no","ghosts":"no","preserve_ghosts":"no","operator":"and","orderby":"count","count":"10","soft_limit":"5"}],"templates":[{"name":"blog_posts","label":"Blog posts","query":"","template":"","layout":{"items":[{"type":"row","items":[{"type":"col","items":[{"type":"item","source":"post_title","settings":{"link":{"type":"post","href":"","target":""},"prefix":"","suffix":"","border":{"style":"none","color":"","width":{"unit":"px","top":0,"right":0,"bottom":0,"left":0}},"background_color":"","padding":{"unit":"px","top":0,"right":0,"bottom":0,"left":0},"text_color":"","text_style":{"align":"","bold":false,"italic":false},"font_size":{"unit":"px","size":0},"name":"el-fz703r","css_class":"","is_hidden":""}}],"settings":{"border":{"style":"none","color":"","width":{"unit":"px","top":0,"right":0,"bottom":0,"left":0}},"background_color":"","padding":{"unit":"px","top":0,"right":0,"bottom":0,"left":0},"text_color":"","text_style":{"align":"","bold":false,"italic":false},"font_size":{"unit":"px","size":0},"name":"el-1tvcxf","css_class":""}}],"settings":{"grid_template_columns":"1fr","border":{"style":"none","color":"","width":{"unit":"px","top":0,"right":0,"bottom":0,"left":0}},"background_color":"","padding":{"unit":"px","top":0,"right":0,"bottom":0,"left":0},"text_color":"","text_style":{"align":"","bold":false,"italic":false},"font_size":{"unit":"px","size":0},"name":"el-8cjrpw","css_class":""}}],"settings":{"num_columns":1,"grid_gap":10,"border":{"style":"none","color":"","width":{"unit":"px","top":0,"right":0,"bottom":0,"left":0}},"background_color":"","padding":{"unit":"px","top":0,"right":0,"bottom":0,"left":0},"text_color":"","text_style":{"align":"","bold":false,"italic":false},"font_size":{"unit":"px","size":0},"name":"el-hkhimk","css_class":"","custom_css":""}},"query_obj":{"post_type":[{"label":"Posts","value":"post"}],"posts_per_page":10,"orderby":[{"key":"date","order":"DESC","type":"CHAR"}],"filters":[]},"modes":{"display":"visual","query":"visual"}}],"settings":{"thousands_separator":",","decimal_separator":".","prefix":"_"}}