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* WINDOW SCROLL MODULE\n *\n * This module scrolls the window to a target via a click on an element with a [data-window-scroll] property.\n *\n * @param {[Object]} data-window-scroll\n * [\n *  target: [Required] HTML Element. Element to scroll to.\n *  offset: [Optional] Number | HTML Element. If parameter is a number, then the number will used for offset. If it is a HTML Element, than the offsetHeight of the element will be used.\n *  duration: [Optional] Number. Duration of the scroll.\n *  callback: [Optional] Function. This is called once the scroll is complete.\n * ]\n */\n\nimport { callbackOnElements, scrollToPosition } from '@borngroup/born-utilities';\nimport { breakpointRanges } from '../helpers/utilities';\n\nexport default class WindowScroll {\n    constructor( query ) {\n        callbackOnElements(query, this.setupWindowScroll.bind(this));\n\n        this.breakpoints = breakpointRanges;\n    }\n\n    static setupScroll(destination, duration = 350, manualOffset = 0, callback, containerEl) {\n        let scrollContainer = typeof containerEl === 'string' ? document.querySelector(containerEl) : containerEl,\n            scrollOptions = {\n                easings: {\n                    easeOutCubic(t) {\n                        return (--t) * t * t + 1;\n                    }\n                },\n                startPosition: WindowScroll.getScrollPosition(scrollContainer),\n                startTime: 'now' in window.performance ? performance.now() : new Date().getTime(),\n                duration: duration,\n                destinationPosition: scrollToPosition(destination, manualOffset, scrollContainer),\n                callback: callback || function() {\n                    return true;\n                }\n            };\n\n        if ('requestAnimationFrame' in window === false) {\n            (scrollContainer || window).scroll(0, scrollOptions.destinationPosition);\n\n            if (typeof callback === 'function') {\n                callback(scrollOptions);\n            }\n\n            return;\n        }\n\n        WindowScroll.easeScroll(scrollContainer, scrollOptions);\n    }\n\n    static getScrollPosition(scrollContainer) {\n        return scrollContainer ? scrollContainer.scrollTop : window.pageYOffset;\n    }\n\n    static easeScroll(scrollContainer, scrollOptions) {\n        let now = 'now' in window.performance ? performance.now() : new Date().getTime(),\n            elapsedTime = now - scrollOptions.startTime,\n            time = Math.min(1, (elapsedTime / scrollOptions.duration)),\n            timeFunction = scrollOptions.easings['easeOutCubic'](time),\n            currentScrollPos;\n\n        (scrollContainer || window).scroll(0, Math.ceil((timeFunction * (scrollOptions.destinationPosition - scrollOptions.startPosition)) + scrollOptions.startPosition));\n\n        currentScrollPos = WindowScroll.getScrollPosition(scrollContainer);\n\n        //Check for both the elapsed time and the current position.\n        //If either matches, stop the scrolling function.\n        if (currentScrollPos === scrollOptions.destinationPosition || elapsedTime >= scrollOptions.duration) {\n            scrollOptions.callback();\n\n            return;\n        }\n\n        window.requestAnimationFrame(WindowScroll.easeScroll.bind(this, scrollContainer, scrollOptions));\n    }\n\n    isEnabled(breakpointName) {\n        let matchedBreakpoint = this.breakpoints[breakpointName];\n\n        return matchedBreakpoint && (!matchedBreakpoint.min || document.body.offsetWidth >= matchedBreakpoint.min) && (!matchedBreakpoint.max || document.body.offsetWidth <= matchedBreakpoint.max);\n    }\n\n    getOffsetValue(offsetMatch) {\n        return offsetMatch instanceof HTMLElement ? offsetMatch.getBoundingClientRect().height : (offsetMatch || 0);\n    }\n\n    bindEvents(el) {\n        let settings = JSON.parse( el.getAttribute( 'data-window-scroll' ) );\n\n        el.addEventListener('click', function() {\n            let enabled = settings.hasOwnProperty('enabled') ? this.isEnabled.call(this, settings.enabled) : true,\n                delay = settings.delay || 0;\n\n            window.setTimeout(function() {\n                if (enabled && !(el.disabled || el.classList.contains('disabled'))) {\n                    WindowScroll.setupScroll(settings.target, settings.duration, settings.offset, null, settings.scrollContainer);\n                }\n            }, delay);\n        }.bind(this));\n\n        el.removeAttribute('data-window-scroll');\n    }\n\n    setupWindowScroll(el) {\n        this.bindEvents(el);\n    }\n}\n"],"sourceRoot":""}