{"version":3,"file":"Src_Scripts_components_top-navigation_js.e3631b6ce9dc75d9bfc3.js","mappings":";;;;;;;;;;;;;;;;AAAA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAGA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AAEA;AAEA;AACA;AACA;AAEA;AACA;;AA1CA","sources":["webpack://FirstChairGroup.V2/./Src/Scripts/components/top-navigation.js"],"sourcesContent":["export default class TopNavigation {\r\n    constructor(elm) {\r\n        this.didScroll = false;\r\n        this.lastScrollTop = 0;\r\n        this.delta = 5;\r\n        this.header = elm;\r\n        this.offset = this.header.offsetHeight;\r\n\r\n        window.onscroll = () => {\r\n            this.didScroll = true;\r\n        };\r\n\r\n        setInterval(() => {\r\n            if (this.didScroll) {\r\n                this.hasScrolled();\r\n                this.didScroll = false;\r\n            }\r\n        }, 250);\r\n\r\n        // The below code only applies to mobile view\r\n        const burgerMenu = document.querySelector('.header-mobile__burger-menu');\r\n        const mobileMenu = document.querySelector('.header-mobile');\r\n\r\n        if (burgerMenu) {\r\n            document.querySelector('.header-mobile__burger-menu').addEventListener('click', e => {\r\n                e.preventDefault();\r\n                mobileMenu.classList.toggle('mobile-menu-open');\r\n            });\r\n        }\r\n        // The above code only applies to mobile view\r\n    }\r\n\r\n    hasScrolled() {\r\n        const st = (window.scrollY !== undefined) ? window.scrollY : (document.documentElement || document.body.parentNode || document.body).scrollTop;\r\n\r\n        if (Math.abs(this.lastScrollTop - st) <= this.delta) return;\r\n\r\n        this.header.classList.toggle('scrolled', st > this.offset);\r\n        this.header.classList.toggle('nav-down', (st > this.lastScrollTop && st));\r\n        this.header.classList.toggle('nav-up', (st > this.lastScrollTop && st));\r\n\r\n        this.lastScrollTop = st;\r\n    }\r\n}\r\n"],"names":[],"sourceRoot":""}