Create Popup

create-popup.markdown

Create Popup

A Pen by Malcolm Rodrigues on CodePen.

License.

index.html

<button class="popup-btn1">Popup</button>

<div class="popup-wrapper" id="popup1">
   <div class="popup-overlay popup-dismiss"></div>
   <div class="popup-container">
      <button class="popup-close popup-dismiss">&times;</button>
      <div class="popup-content"> </div>
   </div>
</div>

<button class="popup-btn2">Popup sidemenu</button>

<div class="popup-wrapper popup-slide-in" id="popup2">
   <div class="popup-overlay popup-dismiss"></div>
   <div class="popup-container" style="max-width: 350px;">
      <button class="popup-close popup-dismiss">&times;</button>
      <h3 class="popup-title">Popup</h3>
      <div class="popup-content"> </div>
   </div>
</div>

<button class="popup-btn3">Popup new</button>

<script>
   document.addEventListener("DOMContentLoaded", function() {
      var popup1 = setUpPopup(document.querySelector("#popup1"), ".popup-btn1");
      var popup2 = setUpPopup(document.querySelector("#popup2"), ".popup-btn2");
      let newPopup = createPopup({
         id: "test",
         trigger: ".popup-btn3",
         slideIn: true,
      });
   });
</script>

script.js

/**
 * @param {HTMLElement} popup Popup container
 * @param {String} trigger Open popup trigger selector
 * @param {Number} autoOpen Auto Open delay
 * @returns {{
 * 	popup: HTMLElement,
 * 	openPopup: Function,
 * 	dismissPopup: Function,
 * 	on: {
 * 		open: Function,
 * 		close: Function
 * 	}
 * }}
 */
function setUpPopup(popup, trigger = "", autoOpen = false) {
   if (!popup) return;
   if (autoOpen)
      setTimeout(() => {
         openPopup();
      }, parseInt(autoOpen));

   let on = {
      open: function (obj = null) {},
      close: function (obj = null) {}
   };

   popup.querySelectorAll(".popup-dismiss").forEach((dismiss) => {
      dismiss.addEventListener("click", dismissPopup);
   });

   if (trigger) {
      document.querySelectorAll(trigger).forEach((triggerElement) => {
         triggerElement.addEventListener("click", openPopup);
      });
   }

   /**
    * @param {MouseEvent} e
    */
   function dismissPopup(e = null) {
      popup.classList.add("popup-closing");
      setTimeout(() => {
         popup.classList.remove("popup-active", "popup-closing");
      }, 500);
      document.documentElement.classList.remove("popup-open");
      on.close();
      window.activePopup = null;
   }

   /**
    * @param {MouseEvent} e
    */
   function openPopup(e = null) {
      if (e) e.preventDefault();
      let scrollbarWidth = window.innerWidth - document.body.clientWidth + "px";
      document.documentElement.setAttribute(
         "style",
         "--scrollbar-width: " + scrollbarWidth
      );
      if (window.activePopup && window.activePopup.dismissPopup) {
         window.activePopup.dismissPopup();
      }
      popup.classList.add("popup-active");
      document.documentElement.classList.add("popup-open");
      on.open(e);
      window.activePopup = popup;
   }

   var popupWrapper = {
      popup,
      openPopup,
      dismissPopup,
      on
   };

   popup.openPopup = openPopup;
   popup.dismissPopup = dismissPopup;

   return popupWrapper;
}

/**
 * Create HTMLElement from HTML string
 * @param {String} htmlString
 * @returns {HTMLElement}
 */
function createElementFromHTML(htmlString) {
   var div = document.createElement("div");
   div.innerHTML = htmlString.trim();
   return div.firstChild;
}

/**
 * @param {{
 * 	id: String,
 * 	trigger: String|null,
 * 	autoOpen: number|null,
 * 	slideIn: Boolean,
 * 	slideFromLeft: Boolean|null,
 * 	title: String|null,
 * 	popupHTML: String | HTMLElement | null
 * }} options
 */
function createPopup(options) {
   if (options.popupHTML instanceof Element) {
      options.popupHTML = options.popupHTML.outerHTML;
   }
   let popupTemplate = `<div class="popup-wrapper ${
      options.slideIn ? "popup-slide-in" : ""
   }"  data-slide-dir="${
      options.slideIn && options.slideFromLeft ? "left" : "right"
   }" id="${
      options.id
   }"><div class="popup-overlay popup-dismiss"></div><div class="popup-container"><button class="popup-close popup-dismiss">&times;</button>${
      options.title ? `<h3 class="popup-title">${options.title}</h3>` : ``
   }<div class="popup-content">${
      options.popupHTML ? options.popupHTML : ""
   }</div></div></div>`;
   let popupElement = createElementFromHTML(popupTemplate);
   document.body.appendChild(popupElement);
   let popup = setUpPopup(popupElement, options.trigger, options.autoOpen);
   return popup;
}

style.css

:root {
   --scrollbar-width: 1rem;
}

html.popup-open {
   overflow: hidden;
   padding-right: var(--scrollbar-width);
}

.popup-wrapper {
   position: fixed;
   top: 0;
   left: 0;
   bottom: 0;
   right: 0;
   /* display: none; */
   visibility: hidden;
   z-index: 50;
   opacity: 0;
   transition: ease-in-out 0.25s opacity;
}

.popup-wrapper.popup-closing,
.popup-wrapper.popup-active {
   /* display: block; */
   visibility: visible;
   opacity: 1;
}

.popup-wrapper .popup-overlay {
   position: absolute;
   width: 100%;
   height: 100%;
   background-color: #000;
   opacity: 0.6;
   transition: ease 0.3s opacity;
   transition-delay: 0.3s;
}

.popup-wrapper.popup-active .popup-overlay {
   opacity: 0.8;
   transition-delay: 0s;
}

.popup-container {
   position: absolute;
   top: 50%;
   left: 50%;
   width: 550px;
   height: 400px;
   max-width: calc(100% - 20px);
   max-height: calc(100% - 40px);
   transform: translate(-50%, -20%);
   padding: 20px;
   background-color: #fff;
   border-radius: 5px;
   box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.15);
   transition: ease 0.25s transform 0.2s, ease 0.3s opacity 0s;
   opacity: 0;
}

.popup-slide-in .popup-container {
   top: 0;
   right: 0;
   height: 100%;
   max-height: none;
   border-radius: 0;
   left: auto;
   transform: translate(100%, 0);
   padding-top: 15px;
   display: grid;
   grid-template-rows: 2rem 1fr;
}

.popup-slide-in[data-slide-dir="left"] .popup-container {
   left: 0;
   right: auto;
   transform: translateX(-100%);
}

.popup-wrapper.popup-active .popup-container {
   transform: translate(-50%, -50%);
   transition-delay: 0s, 0s;
   opacity: 1;
}

.popup-slide-in.popup-active .popup-container {
   transform: translate(0, 0);
}

.popup-wrapper.popup-closing .popup-overlay {
   opacity: 0;
   transition: ease 0.3s opacity;
}

.popup-wrapper.popup-closing .popup-container {
   opacity: 0;
   transform: translate(-50%, -30%);
   transition: ease 0.25s transform 0s, ease 0.3s opacity 0s;
}

.popup-slide-in.popup-closing .popup-container {
   transform: translate(100%, 0);
}

.popup-slide-in.popup-closing[data-slide-dir="left"] .popup-container {
   transform: translateX(-100%);
}

.popup-container .popup-close {
   position: absolute;
   top: 20px;
   right: 20px;
   display: flex;
   justify-content: center;
   align-items: center;
   padding: 0;
   width: 25px;
   height: 25px;
   background-color: #fff;
   /* border: 1px solid #aaa; */
   border: none;
   color: #999;
   font-size: 26px;
   font-weight: 600;
   border-radius: 50px;
   transform: translate(45%, -45%);
   cursor: pointer;
}

.popup-content {
   height: 100%;
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: space-evenly;
   overflow: auto;
   padding: 20px 0;
}

.popup-slide-in .popup-content {
   align-items: stretch;
   justify-content: flex-start;
   padding-bottom: 10px;
}

.popup-title {
   font-weight: 600;
   font-size: 18px;
}

styles

<link href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css" rel="stylesheet" />