first commit

2024-11-07 18:38:48 +05:00
commit 7ab166fd23
102 changed files with 10284 additions and 0 deletions
@@ -0,0 +1,60 @@
+(function ($) {
+    'use strict';
+
+    let defaults = {
+        activeClass: 'active',
+        fixed: true
+    };
+
+    let container,
+        target,
+        activeClass,
+        fixed,
+        collection = [];
+
+    let init = function (params) {
+        let options = $.extend({}, defaults, params);
+
+        container = this;
+        target = options.target;
+        activeClass = options.activeClass;
+        fixed = options.fixed;
+
+        let hash = null, element = null;
+        $.each(target, function () {
+            (hash = this.href.split('#')[1]) !== undefined
+                ? (element = container.find(`[id="${hash}"]`)).length > 0 ? collection.push({
+                    link: $(this),
+                    element: element
+                }) : null : null;
+        });
+        this.unbind('scroll', eventListener).bind('scroll', eventListener);
+        return this;
+    };
+
+    let eventListener = function () {
+        let relativeOffsetTop = collection.length > 0 ? collection[0].element.offset().top + container.scrollTop() : 0;
+        $.each(collection, function () {
+            let _ot = Math.floor(this.element.offset().top + container.scrollTop() - relativeOffsetTop);
+            let _st = Math.ceil(container.scrollTop());
+            if (_ot <= _st && _st < _ot + Math.floor(this.element.outerHeight())) {
+                if (!this.link.hasClass(activeClass)) {
+                    target.removeClass(activeClass);
+                    this.link.addClass(activeClass);
+                }
+                return false;
+            } else if (fixed) {
+                this.link.removeClass('active');
+            }
+        });
+    };
+
+    $.fn.scrollSpy = function (options) {
+        if (typeof options === 'object' && typeof options.target != "undefined") {
+            return init.apply(this, arguments);
+        } else {
+            $.error('You should use plugin with required options...');
+        }
+    };
+
+})(jQuery);