commit f7864a513d528e9c1cd750d5015d5f19d7a6df44
author Randall Leeds <randall@apache.org> Sat Sep 28 16:29:42 2019 -0700
committer Randall Leeds <randall@apache.org> Sat Sep 28 16:29:42 2019 -0700
tree d5d4899ee6ed9d96663804b1f5f5653cd4cf7c28
parent 9909c266db0de34ff360f5706d967b0107b8e9f2

Allow the demo to describe non-visible selections

Some selections may have no visible text, but still contain valid ranges
of text content. So long as the implementation works on text content
rather than the inner text algorithm, allow describing these selections.

demo/index.js

diff --git a/demo/index.js b/demo/index.js
index 7996023..06f3e4d 100644
--- a/demo/index.js
+++ b/demo/index.js
@@ -117,9 +117,11 @@
 
 async function describeSelection() {
   const selection = document.getSelection();
-  if (selection.isCollapsed) return;
+  if (selection.type !== 'Range') return;
 
   const range = selection.getRangeAt(0);
+  if (range.collapsed) return;
+
   const scope = document.createRange();
   scope.selectNodeContents(selectable);