Merge remote-tracking branch 'origin/develop' into scrolltotop

* origin/develop: (59 commits)
  a11y
  Use dedicated indicator for non-ascii domain names
  add a favorites "timeline" shortcut
  refactor navigation-entry and use them in other nav items
  Update dependency sinon-chai to v3
  Update dependency semver to v7
  Update dependency vue-router to v4.1.5
  Update dependency eslint to v8.23.0
  Update dependency vue-template-compiler to v2.7.10
  Update dependency @vue/babel-helper-vue-jsx-merge-props to v1.4.0
  Update dependency eslint-plugin-promise to v6.0.1
  fix lists edit page
  change ugly checkbox to a list element that doesn't look too much out of place
  a11y
  squeeze/stretch pinned items as long as there's enough space for it, hide items that won't fitc
  Remove isparta
  lint
  fix being unable to edit timeline pins on mobile
  aria
  fix mobile side drawer causing issues
  ...

1 files changed, 23 insertions, 2 deletions

diff --git a/src/components/popover/popover.js b/src/components/popover/popover.js
index d2af59fe..dd332c35 100644
--- a/src/components/popover/popover.js
+++ b/src/components/popover/popover.js
@@ -4,7 +4,7 @@ const Popover = {
     // Action to trigger popover: either 'hover' or 'click'
     trigger: String,
 
-    // Either 'top' or 'bottom'
+    // 'top', 'bottom', 'left', 'right'
     placement: String,
 
     // Takes object with properties 'x' and 'y', values of these can be
@@ -84,6 +84,8 @@ const Popover = {
       const anchorStyle = getComputedStyle(anchorEl)
       const topPadding = parseFloat(anchorStyle.paddingTop)
       const bottomPadding = parseFloat(anchorStyle.paddingBottom)
+      const rightPadding = parseFloat(anchorStyle.paddingRight)
+      const leftPadding = parseFloat(anchorStyle.paddingLeft)
 
       // Screen position of the origin point for popover = center of the anchor
       const origin = {
@@ -170,7 +172,7 @@ const Popover = {
       if (overlayCenter) {
         translateX = origin.x + horizOffset
         translateY = origin.y + vertOffset
-      } else {
+      } else if (this.placement !== 'right' && this.placement !== 'left') {
         // Default to whatever user wished with placement prop
         let usingTop = this.placement !== 'bottom'
 
@@ -189,6 +191,25 @@ const Popover = {
 
         const xOffset = (this.offset && this.offset.x) || 0
         translateX = origin.x + horizOffset + xOffset
+      } else {
+        // Default to whatever user wished with placement prop
+        let usingRight = this.placement !== 'left'
+
+        // Handle special cases, first force to displaying on top if there's not space on bottom,
+        // regardless of what placement value was. Then check if there's not space on top, and
+        // force to bottom, again regardless of what placement value was.
+        const rightBoundary = origin.x - anchorWidth * 0.5 + (this.removePadding ? rightPadding : 0)
+        const leftBoundary = origin.x + anchorWidth * 0.5 - (this.removePadding ? leftPadding : 0)
+        if (leftBoundary + content.offsetWidth > xBounds.max) usingRight = true
+        if (rightBoundary - content.offsetWidth < xBounds.min) usingRight = false
+
+        const xOffset = (this.offset && this.offset.x) || 0
+        translateX = usingRight
+          ? rightBoundary - xOffset - content.offsetWidth
+          : leftBoundary + xOffset
+
+        const yOffset = (this.offset && this.offset.y) || 0
+        translateY = origin.y + vertOffset + yOffset
       }
 
       this.styles = {