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{ addClasses, removeClasses } from \"../../helpers/DOMHelpers\";\r\nimport { createCountdownColonElement, createCountdownTimeUnitElement } from \"../../libs/markUpCreator\";\r\n\r\nconst moduleSelector = '[data-module=\"Countdown\"]';\r\n\r\nenum TimeUnits {\r\n    weeks = \"weeks\",\r\n    days = \"days\",\r\n    hours = \"hours\",\r\n    minutes = \"minutes\",\r\n    seconds = \"seconds\"\r\n}\r\n\r\nenum CountdownFormats {\r\n    days = \"days\",\r\n    weeks = \"weeks\",\r\n    hoursMinutesSeconds = \"hoursMinutesSeconds\"\r\n}\r\n\r\nexport default class Countdown {\r\n    targetDateTime: Date;\r\n\r\n    weeksToTarget: number;\r\n    daysToTarget: number;\r\n    hoursToTarget: number;\r\n    minutesToTarget: number;\r\n    secondsToTarget: number;\r\n\r\n    currentCountdownFormat: CountdownFormats;\r\n\r\n    static setup(selector: string = moduleSelector): void {\r\n        Array.from(document.querySelectorAll(selector)).filter((node: HTMLElement) => !node.dataset.moduleInitialized).forEach((element: HTMLElement) => {\r\n            new Countdown(element);\r\n            element.dataset.moduleInitialized = 'true';\r\n        });\r\n    }\r\n\r\n    constructor(public element: HTMLElement) {\r\n        this.init();\r\n    }\r\n\r\n    private init() {\r\n        this.targetDateTime = this.getTargetDateTime();\r\n        if (!this.targetDateTime) return;\r\n\r\n        this.initTimeToTarget()\r\n        this.initCountdownFormat();\r\n        this.createTimeElements();\r\n\r\n        this.startCountdown();\r\n    }\r\n\r\n    private getTargetDateTime() {\r\n        let utcTime = this.element.getAttribute(\"data-target-datetime\");\r\n        if (!utcTime) return;\r\n\r\n        const localDateTime = new Date(utcTime);\r\n        return localDateTime;\r\n    }\r\n\r\n    private initTimeToTarget() {\r\n        this.updateWeeksToTarget();\r\n        this.updateDaysToTarget();\r\n        this.updateHoursMinutesSecondsToTarget();\r\n    }\r\n\r\n    private initCountdownFormat() {\r\n        const format = this.element.getAttribute('data-format');\r\n        this.currentCountdownFormat = CountdownFormats[format] ? CountdownFormats[format] : CountdownFormats.hoursMinutesSeconds;\r\n        this.updateCurrentCountdownFormat();\r\n    }\r\n\r\n    private createTimeElements() {\r\n        if (this.currentCountdownFormat == CountdownFormats.weeks && this.weeksToTarget > 0) {\r\n            this.createWeeksElement();\r\n            return;\r\n        }\r\n        if (this.currentCountdownFormat == CountdownFormats.days && this.daysToTarget > 0) {\r\n            this.createDaysElement();\r\n            return;\r\n        }\r\n        this.createHoursMinutesSecondsElement();\r\n    }\r\n\r\n    private startCountdown() {\r\n        const interval = setInterval(() => {\r\n            this.countdown(interval);\r\n        }, 1000);\r\n    }\r\n\r\n    private getMsToTarget() {\r\n        const now = new Date();\r\n        return this.targetDateTime.getTime() - now.getTime();\r\n    }\r\n\r\n    private updateDaysToTarget() {\r\n        this.daysToTarget = this.getTimeToTargetIn(TimeUnits.days);\r\n    }\r\n\r\n    private updateWeeksToTarget() {\r\n        this.weeksToTarget = this.getTimeToTargetIn(TimeUnits.weeks);\r\n    }\r\n\r\n    private updateHoursMinutesSecondsToTarget() {\r\n        this.hoursToTarget = this.getTimeToTargetIn(TimeUnits.hours);\r\n        this.minutesToTarget = this.getTimeToTargetIn(TimeUnits.minutes);\r\n        this.secondsToTarget = this.getTimeToTargetIn(TimeUnits.seconds);\r\n    }\r\n\r\n    private updateCurrentCountdownFormat() {\r\n        if (this.currentCountdownFormat == CountdownFormats.weeks && this.weeksToTarget < 1) {\r\n            this.currentCountdownFormat = CountdownFormats.days;\r\n            this.removeCountdownTimeUnitElement(TimeUnits.weeks);\r\n            this.createDaysElement();\r\n        }\r\n        if (this.currentCountdownFormat == CountdownFormats.days && this.daysToTarget < 1) {\r\n            this.currentCountdownFormat = CountdownFormats.hoursMinutesSeconds;\r\n            this.removeCountdownTimeUnitElement(TimeUnits.days);\r\n            this.createHoursMinutesSecondsElement();\r\n        }\r\n    }\r\n\r\n    private removeCountdownTimeUnitElement(unit: TimeUnits) {\r\n        const timeUnitElement = this.element.querySelector(\".nx-countdown__time-unit-\" + unit);\r\n        if (timeUnitElement) {\r\n            const parent = timeUnitElement.closest(\".nx-countdown__time\");\r\n            parent?.remove();\r\n        }\r\n    }\r\n\r\n    private createHoursMinutesSecondsElement() {\r\n        this.createHoursElement();\r\n        this.createMinutesElement();\r\n        this.createSecondsElement();\r\n    }\r\n\r\n    private createWeeksElement() {\r\n        const weeksElement = createCountdownTimeUnitElement(TimeUnits.weeks, this.weeksToTarget.toString(), this.element.getAttribute('data-weeks-label'));\r\n        const parent = this.element.querySelector(\".nx-countdown__time-container\");\r\n        parent?.appendChild(weeksElement);\r\n    }\r\n\r\n    private createDaysElement() {\r\n        const element = this.element.querySelector(\".nx-countdown__time-unit-\" + TimeUnits.days);\r\n        if (!element) {\r\n            const daysElement = createCountdownTimeUnitElement(TimeUnits.days, this.daysToTarget.toString(), this.element.getAttribute('data-days-label'));\r\n            this.element.querySelector(\".nx-countdown__time-container\")?.appendChild(daysElement);\r\n        }\r\n    }\r\n\r\n    private createHoursElement() {\r\n        const hoursElement = this.element.querySelector(\".nx-countdown__time-unit-\" + TimeUnits.hours);\r\n        if (!hoursElement) {\r\n            const parent = this.element.querySelector(\".nx-countdown__time-container\");\r\n            parent?.appendChild(createCountdownTimeUnitElement(TimeUnits.hours, this.getTimeStringWithPreZero(this.hoursToTarget), this.element.getAttribute('data-hours-label')));\r\n            parent?.appendChild(createCountdownColonElement(TimeUnits.hours));\r\n        }\r\n    }\r\n\r\n    private createMinutesElement() {\r\n        const minutesElement = this.element.querySelector(\".nx-countdown__time-unit-\" + TimeUnits.minutes);\r\n        if (!minutesElement) {\r\n            const parent = this.element.querySelector(\".nx-countdown__time-container\");\r\n            parent?.appendChild(createCountdownTimeUnitElement(TimeUnits.minutes, this.getTimeStringWithPreZero(this.minutesToTarget), this.element.getAttribute('data-minutes-label')));\r\n            parent?.appendChild(createCountdownColonElement(TimeUnits.minutes));\r\n        }\r\n    }\r\n\r\n    private createSecondsElement() {\r\n        const secondsElement = this.element.querySelector(\".nx-countdown__time-unit-\" + TimeUnits.seconds);\r\n        if (!secondsElement) {\r\n            const parent = this.element.querySelector(\".nx-countdown__time-container\");\r\n            parent?.appendChild(createCountdownTimeUnitElement(TimeUnits.seconds, this.getTimeStringWithPreZero(this.secondsToTarget), this.element.getAttribute('data-seconds-label')));\r\n        }\r\n    }\r\n\r\n    private getTimeToTargetIn(unit: TimeUnits) {\r\n        const msToTarget = this.getMsToTarget();\r\n\r\n        switch (unit) {\r\n            case TimeUnits.weeks: {\r\n                const weeks = Math.floor(msToTarget / (1000 * 60 * 60 * 24 * 7));\r\n                return weeks >= 0 ? weeks : 0;\r\n            }\r\n            case TimeUnits.days: {\r\n                const days = Math.floor(msToTarget / (1000 * 60 * 60 * 24));\r\n                return days >= 0 ? days : 0;\r\n            }\r\n            case TimeUnits.hours: {\r\n                const hours = Math.floor((msToTarget / (1000 * 60 * 60)));\r\n                return hours >= 0 ? hours : 0;\r\n            }\r\n            case TimeUnits.minutes: {\r\n                const minutes = Math.floor((msToTarget % (1000 * 60 * 60)) / (1000 * 60));\r\n                return minutes >= 0 ? minutes : 0;\r\n            }\r\n            case TimeUnits.seconds: {\r\n                const seconds = Math.floor((msToTarget % (1000 * 60)) / 1000);\r\n                return seconds >= 0 ? seconds : 0;\r\n            }\r\n            default: {\r\n                return;\r\n            }\r\n        }\r\n    }\r\n\r\n    private countdown(interval: NodeJS.Timer) {\r\n        if (this.currentCountdownFormat == CountdownFormats.weeks) {\r\n            const weeksBeforeUpdate = this.weeksToTarget;\r\n            this.updateWeeksToTarget();\r\n            this.updateCurrentCountdownFormat();\r\n            if (weeksBeforeUpdate != this.weeksToTarget) {\r\n                this.updateWeeksElement();\r\n            }\r\n        }\r\n\r\n        if (this.currentCountdownFormat == CountdownFormats.days) {\r\n            const daysBeforeUpdate = this.daysToTarget;\r\n            this.updateDaysToTarget();\r\n            this.updateCurrentCountdownFormat();\r\n            if (daysBeforeUpdate != this.daysToTarget) {\r\n                this.updateDaysElement();\r\n            }\r\n        }\r\n\r\n        if (this.currentCountdownFormat == CountdownFormats.hoursMinutesSeconds) {\r\n            const hours = this.hoursToTarget;\r\n            const minutes = this.minutesToTarget;\r\n\r\n            this.updateHoursMinutesSecondsToTarget();\r\n            this.updateCurrentCountdownFormat();\r\n\r\n            if (hours != this.hoursToTarget) {\r\n                this.updateHoursElement();\r\n            }\r\n            if (minutes != this.minutesToTarget) {\r\n                this.updateMinuteElement();\r\n            }\r\n            this.updateSecondsElement();\r\n        }\r\n\r\n        if (this.getMsToTarget() < 0) {\r\n            this.stopCountdown(interval);\r\n        }\r\n    }\r\n\r\n    private updateWeeksElement() {\r\n        const unitSubElements = this.element.querySelectorAll<HTMLElement>(\".nx-countdown__time-unit-\" + TimeUnits.weeks);\r\n        this.updateUnitSubElements(unitSubElements, this.weeksToTarget, false);\r\n    }\r\n\r\n    private updateDaysElement() {\r\n        const unitSubElements = this.element.querySelectorAll<HTMLElement>(\".nx-countdown__time-unit-\" + TimeUnits.days);\r\n        this.updateUnitSubElements(unitSubElements, this.daysToTarget, false);\r\n    }\r\n\r\n    private updateHoursElement() {\r\n        const unitSubElements = this.element.querySelectorAll<HTMLElement>(\".nx-countdown__time-unit-\" + TimeUnits.hours);\r\n        this.updateUnitSubElements(unitSubElements, this.hoursToTarget, true);\r\n    }\r\n\r\n    private updateMinuteElement() {\r\n        const unitSubElements = this.element.querySelectorAll<HTMLElement>(\".nx-countdown__time-unit-\" + TimeUnits.minutes);\r\n        this.updateUnitSubElements(unitSubElements, this.minutesToTarget, true);\r\n    }\r\n\r\n    private updateSecondsElement() {\r\n        const unitSubElements = this.element.querySelectorAll<HTMLElement>(\".nx-countdown__time-unit-\" + TimeUnits.seconds);\r\n        this.updateUnitSubElements(unitSubElements, this.secondsToTarget, true);\r\n    }\r\n\r\n    private updateUnitSubElements(unitElements: NodeListOf<HTMLElement>, timeToTarget: number, prependWithZero: boolean) {\r\n        if (unitElements.length > 1) {\r\n            unitElements.forEach(element => {\r\n                if (element.classList.contains(\"nx-countdown__time-unit-a\")) {\r\n                    removeClasses(element, \"nx-countdown__time-unit--fade-in\", \"nx-countdown__time-unit-a\");\r\n                    addClasses(element, \"nx-countdown__time-unit--fade-out\", \"nx-countdown__time-unit-b\");\r\n                    element.offsetHeight; // force recalc layout\r\n                } else if (element.classList.contains(\"nx-countdown__time-unit-b\")) {\r\n                    element.innerHTML = prependWithZero ? this.getTimeStringWithPreZero(timeToTarget) : timeToTarget.toString();\r\n                    removeClasses(element, \"nx-countdown__time-unit--fade-out\", \"nx-countdown__time-unit-b\");\r\n                    addClasses(element, \"nx-countdown__time-unit--fade-in\", \"nx-countdown__time-unit-a\");\r\n                    element.offsetHeight; // force recalc layout\r\n                }\r\n            });\r\n        }\r\n    }\r\n\r\n    private getTimeStringWithPreZero(time: number) {\r\n        let timeStr = time.toString();\r\n        if (time < 10) {\r\n            timeStr = \"0\".concat(timeStr);\r\n        }\r\n        return timeStr;\r\n    }\r\n\r\n    private stopCountdown(interval) {\r\n        clearInterval(interval);\r\n        // celebrate finished countdown now\r\n    }\r\n}\r\n\r\n// Hot Module Replacement\r\nif (module.hot) {\r\n    let nodesCache: HMRNodes[] = Array.from(document.querySelectorAll(moduleSelector)).map((element: Node) => ({ nodeToReplace: element, nodeOrigin: element.cloneNode(true) }));\r\n\r\n    Countdown.setup(moduleSelector);\r\n\r\n    module.hot.accept(() => {\r\n        Countdown.setup(moduleSelector);\r\n    });\r\n    module.hot.dispose(() => {\r\n        nodesCache.forEach(({ nodeToReplace, nodeOrigin }) => { nodeToReplace = nodeToReplace.parentElement.replaceChild(nodeOrigin.cloneNode(true), nodeToReplace) });\r\n    });\r\n} else {\r\n    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