Add left bottom popover positioning

demo/scripts/demo.js

@@ -8,21 +8,21 @@ document.addEventListener('DOMContentLoaded', function () {
         title: 'Before we start',
         description: 'This is just one use-case, make sure to check out the rest of the docs below.',
         nextBtnText: 'Okay, Start!',
-        position: 'left-center'
+        position: 'left-bottom'
       },
     }, {
       element: '#logo_img',
       popover: {
         title: 'Focus Anything',
         description: 'You can use it to highlight literally anything, images, text, div, span, li etc.',
-        position: 'left-center',
+        position: 'left-bottom',
       },
     }, {
       element: '#name_driver',
       popover: {
         title: 'Why Driver?',
         description: 'Because it lets you drive the user across the page',
-        position: 'left-center'
+        position: 'left-bottom'
       }
     }, {
       element: '#driver-demo-head',

src/core/popover.js

@@ -132,6 +132,9 @@ export default class Popover extends Element {
       case 'left-center':
         this.positionOnLeftCenter(position);
         break;
+      case 'left-bottom':
+        this.positionOnLeftBottom(position);
+        break;
       case 'right':
         this.positionOnRight(position);
         break;
@@ -203,6 +206,25 @@ export default class Popover extends Element {
     this.tipNode.classList.add('right');
   }
 
+  /**
+   * Shows the popover on the left of the given position
+   * @param {Position} elementPosition
+   * @private
+   */
+  positionOnLeftBottom(elementPosition) {
+    const popoverDimensions = this.getSize();
+
+    const popoverWidth = popoverDimensions.width;
+    const popoverMargin = this.options.padding + 10;  // adding 10 to give it a little distance from the element
+
+    this.node.style.left = `${elementPosition.left - popoverWidth - popoverMargin}px`;
+    this.node.style.top = `${(elementPosition.bottom + this.options.padding) - popoverDimensions.height}px`;
+    this.node.style.bottom = '';
+    this.node.style.right = '';
+
+    this.tipNode.classList.add('right', 'position-bottom');
+  }
+
   /**
    * Shows the popover on the left center of the given position
    * @param {Position} elementPosition
@@ -303,13 +325,10 @@ export default class Popover extends Element {
    * @private
    */
   positionOnBottomRight(elementPosition) {
-    // const popoverWidth = this.getSize().width / 2;
-    // const nodeCenter = elementPosition.left + ((elementPosition.right - elementPosition.left) / 2);
     const popoverMargin = this.options.padding + 10;  // adding 10 to give it a little distance from the element
 
     this.node.style.top = `${elementPosition.bottom + popoverMargin}px`;
     this.node.style.right = `${elementPosition.left - this.options.padding}px`;
-    // this.node.style.left = `${nodeCenter - popoverWidth - this.options.padding}px`;
     this.node.style.left = '';
     this.node.style.bottom = '';
 

src/driver.scss

@@ -62,6 +62,7 @@ div#driver-popover-item {
       }
 
       &.position-bottom {
+        top: auto;
         bottom: 20px;
       }
     }