Merge pull request #3538 from quilljs/zh-perf-get-range

Avoid fetching selections when possible
slab · Feb 25, 2022 · 6cbebf2 · 6cbebf2
2 parents d462f80 + b212f9e
commit 6cbebf2
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/core/selection.js b/core/selection.js
@@ -194,6 +194,12 @@ class Selection {
   }
 
   getRange() {
+    const root = this.scroll.domNode;
+    if ('isConnected' in root && !root.isConnected) {
+      // document.getSelection() forces layout on Blink, so we trend to
+      // not calling it.
+      return [null, null];
+    }
     const normalized = this.getNativeRange();
     if (normalized == null) return [null, null];
     const range = this.normalizedToRange(normalized);