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Karts/./wwwroot/app/src/js/keyboard-accessibility-check.js","webpack://Chaos Karts/./wwwroot/app/src/js/main-navigation.js"],"sourcesContent":["// keyboard control detection\r\n\r\nexport const keyboardControl = {\r\n    active: false\r\n}\r\n\r\nlet accessibilityTimeout = null;\r\nconst toggleAccessibilityClass = (mode) => {\r\n    clearTimeout(accessibilityTimeout);\r\n    accessibilityTimeout = setTimeout(() => {\r\n        document.body.classList.toggle('keyboard-control', mode);\r\n        keyboardControl.active = mode;\r\n    }, 100);\r\n}\r\ndocument.body.addEventListener('keydown', function(e) {\r\n    switch (e.key) {\r\n        case 'Escape':\r\n        case 'Up':\r\n        case 'ArrowUp':\r\n        case 'Down':\r\n        case 'ArrowDown':\r\n        case 'Left':\r\n        case 'ArrowLeft':\r\n        case 'Tab':\r\n        case 'Right':\r\n        case 'ArrowRight':\r\n        case 'PageUp':\r\n        case 'PageDown':\r\n        case 'Spacebar':\r\n        case ' ':\r\n        case 'Enter':\r\n        case 'Return':\r\n            toggleAccessibilityClass(true);\r\n            break;\r\n    }\r\n});\r\ndocument.body.addEventListener('mousedown', function() {\r\n    toggleAccessibilityClass(false);\r\n});\r\ndocument.body.addEventListener('touchstart', function() {\r\n    toggleAccessibilityClass(false);\r\n});","// *****************************\r\n// *****  Main Navigation  *****\r\n// *****************************\r\n\r\nimport { keyboardControl } from './keyboard-accessibility-check';\r\n\r\nexport const navigation = {\r\n    active: false\r\n}\r\n\r\nclass menu {\r\n    constructor(wrapper, toggleButton, ul) {\r\n        this.wrapper = wrapper;\r\n        this.menuToggle = toggleButton;\r\n        this.ul = ul;\r\n        this.expanded = false;\r\n        this.hideTimeout = null;\r\n        this.hideDelay = 500;\r\n        this.activeItemIndex = -1;\r\n        this.activeSubmenuItemIndex = -1;\r\n        this.activeSubmenuExpanderItemIndex = -1;\r\n        this.items = [];\r\n        [...document.querySelectorAll('#main-menu > .main-menu--inner > ul > li')].forEach(i => {\r\n            let x = this.items.length;\r\n            this.items[x] = new menuItem(x, i, 1);\r\n        });\r\n        // is there search functionality inside menu wrapper?\r\n        this.search = {\r\n            inputField : null,\r\n            submitButton : null,\r\n            form : this.wrapper.querySelector('#main-menu--search')\r\n        }\r\n        this.hasSearch = this.search.form != null;\r\n        if(this.hasSearch) {\r\n            this.search.inputField = this.search.form.querySelector('input[type=\"search\"]');\r\n            this.search.submitButton = this.search.form.querySelector('button[type=\"submit\"]');\r\n        }\r\n    }\r\n    show() {\r\n        this.expanded = true;\r\n        navigation.active = true\r\n        this.wrapper.setAttribute('aria-hidden', false);\r\n        this.menuToggle.setAttribute('aria-expanded', true);\r\n        window.requestAnimationFrame(() => {\r\n            document.querySelector('html').classList.add('menu-active');\r\n        });\r\n    }\r\n    hide() {\r\n        this.expanded = false;\r\n        navigation.active = false;\r\n        this.menuToggle.setAttribute('aria-expanded', false);\r\n        document.querySelector('html').classList.remove('menu-active');\r\n        this.wrapper.ontransitionend = () => {\r\n            this.transitionEnd();\r\n        };\r\n    }\r\n    transitionEnd() {\r\n        this.wrapper.setAttribute('aria-hidden', true);\r\n        this.wrapper.ontransitionend = null;\r\n    }\r\n    update(setFocus = false, itemIndex = -1, submenuItemIndex = -1, expanderItemIndex = -1) {\r\n        if (itemIndex > -1 && submenuItemIndex > -1 && expanderItemIndex > -1) {\r\n\r\n            // FOCUS TARGET IS SUBMENU EXPANDER MENU ITEM\r\n\r\n            if (!this.expanded) this.show();\r\n            // close old submenu without animation?\r\n            if (this.activeItemIndex > -1 && itemIndex != this.activeItemIndex && this.items[this.activeItemIndex].submenu.expanded) this.items[this.activeItemIndex].submenu.hide(false);\r\n            // open new submenu\r\n            if (!this.items[itemIndex].submenu.expanded) this.items[itemIndex].submenu.show(this.activeItemIndex == -1);\r\n            // close old expander?\r\n            if (this.activeSubmenuExpanderItemIndex > -1) {\r\n                let prevSubmenuExpander = this.items[this.activeItemIndex].submenu.items[this.activeSubmenuItemIndex].submenu;\r\n                if (itemIndex != this.activeItemIndex || submenuItemIndex != this.activeSubmenuItemIndex) {\r\n                    if (prevSubmenuExpander.expanded) prevSubmenuExpander.hide(false);\r\n                }\r\n            }\r\n            let newSubmenuExpander = this.items[itemIndex].submenu.items[submenuItemIndex].submenu;\r\n            if (!newSubmenuExpander.expanded) newSubmenuExpander.show(true);\r\n            // focus on item\r\n            if (keyboardControl.active && setFocus) this.items[itemIndex].submenu.items[submenuItemIndex].submenu.items[expanderItemIndex].link.focus();\r\n\r\n        } else if (itemIndex > -1 && submenuItemIndex > -1) {\r\n\r\n            // FOCUS TARGET IS SUBMENU MENU ITEM\r\n\r\n            if (!this.expanded) this.show();\r\n\r\n            // close expander?\r\n            if (this.activeSubmenuExpanderItemIndex > -1) {\r\n                let prevSubmenuExpander = this.items[this.activeItemIndex].submenu.items[this.activeSubmenuItemIndex].submenu;\r\n                if (itemIndex != this.activeItemIndex) {\r\n                    if (prevSubmenuExpander.expanded) prevSubmenuExpander.hide(false);\r\n                } else {\r\n                    if (prevSubmenuExpander.expanded) prevSubmenuExpander.hide(true);\r\n                }\r\n            }\r\n            // close old submenu without animation?\r\n            if (this.activeItemIndex > -1 && this.activeSubmenuItemIndex > -1 && itemIndex != this.activeItemIndex && this.items[this.activeItemIndex].submenu.expanded) this.items[this.activeItemIndex].submenu.hide(false);\r\n            // open new submenu\r\n            if (!this.items[itemIndex].submenu.expanded) this.items[itemIndex].submenu.show(this.activeSubmenuItemIndex == -1);\r\n            // focus on item\r\n            if (keyboardControl.active && setFocus) {\r\n                if (this.items[itemIndex].submenu.items[submenuItemIndex].hasSubmenu) {\r\n                    this.items[itemIndex].submenu.items[submenuItemIndex].submenu.toggle.focus();\r\n                } else {\r\n                    this.items[itemIndex].submenu.items[submenuItemIndex].link.focus();\r\n                }\r\n            }\r\n\r\n        } else if (itemIndex > -1) {\r\n\r\n            // FOCUS TARGET IS TOP-LEVEL MENU ITEM\r\n\r\n            if (!this.expanded) this.show();\r\n\r\n            // close expander?\r\n            if (this.activeSubmenuExpanderItemIndex > -1) {\r\n                let prevSubmenuExpander = this.items[this.activeItemIndex].submenu.items[this.activeSubmenuItemIndex].submenu;\r\n                if (itemIndex != this.activeItemIndex) {\r\n                    if (prevSubmenuExpander.expanded) prevSubmenuExpander.hide(false);\r\n                } else {\r\n                    if (prevSubmenuExpander.expanded) prevSubmenuExpander.hide(true);\r\n                }\r\n            }\r\n            // close old submenu with animation?\r\n            if (this.activeItemIndex > -1 && this.items[this.activeItemIndex].hasSubmenu) {\r\n                if (this.items[this.activeItemIndex].submenu.expanded) this.items[this.activeItemIndex].submenu.hide(true);\r\n            }\r\n            // focus on item\r\n            if (keyboardControl.active && setFocus) {\r\n                if (this.items[itemIndex].hasSubmenu) {\r\n                    this.items[itemIndex].submenu.toggle.focus();\r\n                } else {\r\n                    this.items[itemIndex].link.focus();\r\n                }\r\n            }\r\n\r\n        } else {\r\n            if (this.activeItemIndex > -1 && this.activeSubmenuItemIndex > -1 && this.activeSubmenuExpanderItemIndex > -1 && this.items[this.activeItemIndex].submenu.items[this.activeSubmenuItemIndex].submenu.expanded) this.items[this.activeItemIndex].submenu.items[this.activeSubmenuItemIndex].submenu.hide(false);\r\n            if (this.activeItemIndex > -1 && this.activeSubmenuItemIndex > -1 && this.items[this.activeItemIndex].submenu.expanded) this.items[this.activeItemIndex].submenu.hide(false);\r\n            if (this.expanded) {\r\n                this.hide();\r\n                if (keyboardControl.active && setFocus) this.menuToggle.focus();\r\n            }\r\n        }\r\n        // update tabIndex setting\r\n        if (this.activeItemIndex != itemIndex) {\r\n            if (this.activeItemIndex > -1) {\r\n                if (this.items[this.activeItemIndex].hasSubmenu) {\r\n                    this.items[this.activeItemIndex].submenu.toggle.setAttribute('tabindex', '-1');\r\n                } else {\r\n                    this.items[this.activeItemIndex].link.setAttribute('tabindex', '-1');\r\n                }\r\n            }\r\n            let nextTabIndex = itemIndex;\r\n            if (nextTabIndex > -1) {\r\n                if (this.items[nextTabIndex].hasSubmenu) {\r\n                    this.items[nextTabIndex].submenu.toggle.setAttribute('tabindex', '0');\r\n                } else {\r\n                    this.items[nextTabIndex].link.setAttribute('tabindex', '0');\r\n                }\r\n            }\r\n        }\r\n        // store new values\r\n        this.activeItemIndex = itemIndex;\r\n        this.activeSubmenuItemIndex = submenuItemIndex;\r\n        this.activeSubmenuExpanderItemIndex = expanderItemIndex;\r\n    }\r\n}\r\n\r\nclass menuItem {\r\n    constructor(itemIndex, obj, level) {\r\n        this.level = level;\r\n        this.index = itemIndex;\r\n        this.li = obj;\r\n        let button = obj.querySelector(level == 1 ? 'button.submenu--toggle' : 'button.submenu-expander--toggle');\r\n        let sub = obj.querySelector(level == 1 ? 'div.submenu' : 'div.submenu-expander');\r\n        if (button && sub) {\r\n            this.hasSubmenu = true;\r\n            this.submenu = new subMenu(sub, button, level);\r\n        } else {\r\n            this.hasSubmenu = false;\r\n            this.link = obj.querySelector('a');\r\n        }\r\n    }\r\n}\r\nclass subMenu {\r\n    constructor(sub, button, level) {\r\n        this.expanded = false;\r\n        this.toggle = button;\r\n        this.wrapper = sub;\r\n        this.level = level;\r\n        this.inner = this.wrapper.querySelector(level == 1 ? 'ul.submenu--items' : 'ul.submenu-expander--items');\r\n        this.items = [];\r\n        let query = level == 1 ? 'ul.submenu--items > li' : 'ul.submenu-expander--items > li';\r\n        [...this.wrapper.querySelectorAll(query)].forEach(i => {\r\n            let x = this.items.length;\r\n            this.items[x] = new menuItem(x, i, (level + 1));\r\n        });\r\n    }\r\n    show(animate) {\r\n        this.expanded = true;\r\n        this.wrapper.style.maxHeight = this.inner.offsetHeight + 'px';\r\n        if (animate) {\r\n            this.wrapper.classList.add('animate');\r\n            this.wrapper.ontransitionend = () => {\r\n                this.wrapper.classList.remove('animate');\r\n                this.wrapper.style.maxHeight = 'none';\r\n                this.wrapper.ontransitionend = null;\r\n            };\r\n        } else {\r\n            this.wrapper.style.maxHeight = 'none';\r\n        }\r\n        this.wrapper.setAttribute('aria-hidden', false);\r\n        this.toggle.setAttribute('aria-expanded', true);\r\n    }\r\n    hide(animate) {\r\n        this.expanded = false;\r\n        this.wrapper.style.maxHeight = this.inner.offsetHeight + 'px';\r\n        window.requestAnimationFrame(() => {\r\n            this.wrapper.style.maxHeight = 0;\r\n        });\r\n        if (animate) {\r\n            this.wrapper.classList.add('animate');\r\n            this.wrapper.ontransitionend = () => {\r\n                this.wrapper.classList.remove('animate');\r\n            };\r\n        }\r\n        this.wrapper.setAttribute('aria-hidden', true);\r\n        this.toggle.setAttribute('aria-expanded', false);\r\n    }\r\n}\r\n\r\n// create instance of menu\r\n\r\nconst m = new menu(document.querySelector('#main-menu'), document.querySelector('.main-header--menu-toggle'), document.querySelector('#main-menu > .main-menu--inner > ul'));\r\n\r\n\r\n// menu toggle functionality\r\n\r\nm.menuToggle.addEventListener('click', () => {\r\n    if (m.expanded) {\r\n        // close\r\n        m.update(true);\r\n    } else {\r\n        // open\r\n        m.update(true, 0);\r\n    }\r\n});\r\n\r\n// add menu item listeners\r\n\r\nfor (let x = 0, l = m.items.length; x < l; x++) {\r\n    let o = m.items[x];\r\n    if (o.hasSubmenu) {\r\n\r\n        o.submenu.toggle.addEventListener('click', () => {\r\n            if (o.submenu.expanded) {\r\n                m.update(true, o.index);\r\n            } else {\r\n                m.update(true, o.index, 0);\r\n            }\r\n        });\r\n\r\n        o.submenu.toggle.addEventListener('focus', () => {\r\n            if (m.expanded && m.activeItemIndex != o.index) {\r\n                m.update(true, o.index);\r\n            }\r\n        });\r\n\r\n        // add submenu expander listeners if required\r\n\r\n        for (let xx = 0, ll = o.submenu.items.length; xx < ll; xx++) {\r\n            let oo = o.submenu.items[xx];\r\n            if (oo.hasSubmenu) {\r\n                oo.submenu.toggle.addEventListener('click', () => {\r\n                    if (oo.submenu.expanded) {\r\n                        m.update(true, o.index, oo.index);\r\n                    } else {\r\n                        m.update(true, o.index, oo.index, 0);\r\n                    }\r\n                });\r\n            }\r\n        }\r\n    }\r\n}\r\n\r\n// add keyboard accessibility\r\nm.ul.addEventListener('keydown', (e) => {\r\n    switch (e.key) {\r\n        // ESCAPE jumps out a level\r\n        case 'Escape':\r\n            e.preventDefault();\r\n            if (m.activeSubmenuExpanderItemIndex > -1) {\r\n                m.update(true, m.activeItemIndex, m.activeSubmenuItemIndex);\r\n            } else if (m.activeSubmenuItemIndex > -1) {\r\n                m.update(true, m.activeItemIndex);\r\n            } else {\r\n                m.update(true);\r\n            }\r\n            break;\r\n        // DOWN / RIGHT to move through items at current level\r\n        case 'Down':\r\n        case 'ArrowDown':\r\n        case 'Right':\r\n        case 'ArrowRight':\r\n            e.preventDefault();\r\n            if (m.activeSubmenuExpanderItemIndex > -1) {\r\n                let next = m.activeSubmenuExpanderItemIndex + 1,\r\n                    list = m.items[m.activeItemIndex].submenu.items[m.activeSubmenuItemIndex].submenu.items;\r\n                if (next >= list.length) next = 0;\r\n                m.update(true, m.activeItemIndex, m.activeSubmenuItemIndex, next);\r\n            } else if (m.activeSubmenuItemIndex > -1) {\r\n                let next = m.activeSubmenuItemIndex + 1,\r\n                    list = m.items[m.activeItemIndex].submenu.items;\r\n                if (next >= list.length) next = 0;\r\n                m.update(true, m.activeItemIndex, next);\r\n            } else {\r\n                let next = m.activeItemIndex + 1,\r\n                    list = m.items;\r\n                if (next >= list.length) next = 0;\r\n                m.update(true, next);\r\n            }\r\n            break;\r\n        // UP / LEFT to move backwards through items at current level\r\n        case 'Up':\r\n        case 'ArrowUp':\r\n        case 'Left':\r\n        case 'ArrowLeft':\r\n            e.preventDefault();\r\n            if (m.activeSubmenuExpanderItemIndex > -1) {\r\n                let next = m.activeSubmenuExpanderItemIndex - 1,\r\n                    list = m.items[m.activeItemIndex].submenu.items[m.activeSubmenuItemIndex].submenu.items;\r\n                if (next < 0) next = list.length - 1;\r\n                m.update(true, m.activeItemIndex, m.activeSubmenuItemIndex, next);\r\n            } else if (m.activeSubmenuItemIndex > -1) {\r\n                let next = m.activeSubmenuItemIndex - 1,\r\n                    list = m.items[m.activeItemIndex].submenu.items;\r\n                if (next < 0) next = list.length - 1;\r\n                m.update(true, m.activeItemIndex, next);\r\n            } else {\r\n                let next = m.activeItemIndex - 1,\r\n                    list = m.items;\r\n                if (next < 0) next = list.length - 1;\r\n                m.update(true, next);\r\n            }\r\n            break;\r\n        // TAB close menu (if open) and move to next tab element\r\n        case 'Tab':\r\n            if (!m.hasSearch && m.activeItemIndex > -1) {\r\n                m.hide();\r\n            }\r\n            break;\r\n        // SPACE/ENTER/RETURN to click a item\r\n        case 'Spacebar':\r\n        case ' ':\r\n        case 'Enter':\r\n        case 'Return':\r\n            e.preventDefault();\r\n            if (m.activeSubmenuExpanderItemIndex > -1) {\r\n                m.items[m.activeItemIndex].submenu.items[m.activeSubmenuItemIndex].submenu.items[m.activeSubmenuExpanderItemIndex].link.click();\r\n            } else if (m.activeSubmenuItemIndex > -1) {\r\n                if (m.items[m.activeItemIndex].submenu.items[m.activeSubmenuItemIndex].hasSubmenu) {\r\n                    m.items[m.activeItemIndex].submenu.items[m.activeSubmenuItemIndex].submenu.toggle.click();\r\n                } else {\r\n                    m.items[m.activeItemIndex].submenu.items[m.activeSubmenuItemIndex].link.click();\r\n                }\r\n            } else {\r\n                if (m.items[m.activeItemIndex].hasSubmenu) {\r\n                    m.items[m.activeItemIndex].submenu.toggle.click();\r\n                } else {\r\n                    m.items[m.activeItemIndex].link.click();\r\n                }\r\n            }\r\n            break;\r\n    }\r\n});\r\n// search form keyboard accessibility\r\nif(m.hasSearch) {\r\n    m.search.inputField.addEventListener('keydown', (e) => {\r\n        switch (e.key) {\r\n            // ESCAPE closes mobile menu if input field is empty\r\n            case 'Escape':\r\n                if(m.search.inputField.value == '') {\r\n                    e.preventDefault();\r\n                    m.update(true);\r\n                }\r\n                break;\r\n        }\r\n    });\r\n    m.search.submitButton.addEventListener('keydown', (e) => {\r\n        switch (e.key) {\r\n            // TAB on mobile - goes to start of menu\r\n            case 'Tab':\r\n                e.preventDefault();\r\n                m.update(true, 0);\r\n                break;\r\n            // ESCAPE jumps out a level\r\n            case 'Escape':\r\n                e.preventDefault();\r\n                m.update(true);\r\n                break;\r\n        }\r\n    });\r\n}\r\n"],"names":["keyboardControl","active","accessibilityTimeout","toggleAccessibilityClass","mode","clearTimeout","setTimeout","document","body","classList","toggle","addEventListener","e","key","navigation","menuItem","constructor","itemIndex","obj","level","this","index","li","button","querySelector","sub","hasSubmenu","submenu","subMenu","link","expanded","wrapper","inner","items","query","querySelectorAll","forEach","i","x","length","show","animate","style","maxHeight","offsetHeight","add","ontransitionend","remove","setAttribute","hide","window","requestAnimationFrame","m","toggleButton","ul","menuToggle","hideTimeout","hideDelay","activeItemIndex","activeSubmenuItemIndex","activeSubmenuExpanderItemIndex","search","inputField","submitButton","form","hasSearch","transitionEnd","update","setFocus","submenuItemIndex","expanderItemIndex","prevSubmenuExpander","newSubmenuExpander","focus","nextTabIndex","l","o","xx","ll","oo","preventDefault","next","list","click","value"],"sourceRoot":""}