Bug 1465014 - Prevent showing sliders for defined axes with bad data. r=pbro

MozReview-Commit-ID: B5kuecrzue

--HG--
extra : rebase_source : e24a6b36cb12731ae4b1c710cb317aecb9de5e0a

devtools/client/inspector/fonts/components/FontPropertyValue.js

@@ -44,6 +44,11 @@ class FontPropertyValue extends PureComponent {
   }
 
   render() {
+    // Guard against bad axis data.
+    if (this.props.min === this.props.max) {
+      return null;
+    }
+
     const defaults = {
       min: this.props.min,
       max: this.props.max,