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    2.4.0 • Public • Published

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    The "Countdown" template displays a countdown until your presentation starts.

    It could be handy, for example when you organize a meetup, to display a countdown until the event start.

    Table of contents


    This template could be added to your presentation using the following methods.

    From a CDN

    It's recommended to use unpkg if you want to use this template from a CDN. To do so, add the following include script in the main HTML file of your project:

    <script type="module" src=""></script>

    From NPM

    To install this template in your project from npm run the following command:

    npm install @deckdeckgo/slide-countdown

    Framework integration

    The Stencil documentation provide examples of framework integration for Angular, React, Vue and Ember.

    That being said, commonly, you might either import or load it:


    import '@deckdeckgo/slide-countdown';


    import { defineCustomElements as deckDeckGoSlideElement } from '@deckdeckgo/slide-countdown/dist/loader';


    The "Countdown" slide's Web Component could be integrated using the tag <deckgo-slide-countdown/>.


        <deckgo-slide-countdown until="2019-08-05T23:25:59.000+02:00">
            <h1 slot="title">My presentation starts at</h1>
            <p slot="days">Days</p>
            <p slot="hours">Hours</p>
            <p slot="minutes">Minutes</p>
            <p slot="seconds">Seconds</p>


    The slots title as well as days, hours, minutes and seconds are optional.


    The time until your presentation should be provided to render the countdown. This value could be either passed through attributes days, hours, minutes and seconds or as a particular date using until.

    This component exposes the following attributes:

    Attribute Type Default Description
    days number 0 The amount of days before your presentations (max. 99 will be displayed)
    hours number 0 The amount of hours before your presentations (max. 23)
    minutes number 0 The amount of minutes before your presentations (max. 59)
    seconds number 0 The amount of seconds before your presentations (max. 59)
    until string A specific date and time until when your presentation will start
    custom-background boolean false If you would provide a background for the all deck and a specific one for this slide, set this option to true
    custom-actions boolean false If you would provide actions for the all deck and a specific one for this slide, set this option to true

    If you provide a date using until, note that the format should be provided as a valid and parsable date. See Date.parse() for more information about the format.

    Example without any slots

      <deckgo-slide-countdown hours="0" minutes="10" seconds="45">


    The following theming options will affect this component if set on its host or parent.

    CSS4 variable Default Note
    --slide-padding-top 16px Padding top of the all slide
    --slide-padding-end 32px Padding right of the all slide
    --slide-padding-bottom 16px Padding bottom of the all slide
    --slide-padding-start 32px Padding left of the all slide
    --slide-countdown-container-padding-bottom 8% The bottom padding of the displayed time container
    --slide-countdown-digits-max-width 36em The max width of the container containing all digits
    --slide-countdown-digits-minmax-width 12em The grid minmax value of one of the three columns of digits
    --slide-countdown-digits-width 4em The width of one of the (two) digits
    --slide-countdown-digits-height 4m The height of the (two) digits
    --slide-countdown-digits-background The background color of the (two) digits
    --slide-countdown-digits-border-radius The border-radius of the (two) digits
    --slide-countdown-digits-box-shadow 0 3px 4px 0 rgba(0, 0, 0, .2), inset 2px 4px 0 0 rgba(255, 255, 255, .08) The box-shadow of the (two) digits
    --slide-countdown-digit-margin-right 0.625em The space between two digits
    --slide-countdown-digits-font-size 3em The border-radius of the (two) digits
    --slide-countdown-digits-font-weight The font-weight of the (two) digits
    --slide-countdown-digits-color The color of the (two) digits


    To develop and run this Web Component locally, proceed as following:

    git clone
    cd countdown
    npm install
    npm run start


    MIT © David Dal Busco, Nicolas Mattia & Gaurav Mahto


    npm i @deckdeckgo/slide-countdown

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