Provide a fallback when backporting font family property

Summary: See title Reviewed By: hansonw Differential Revision: D7157457 fbshipit-source-id: 59d40bcfc2556998a3fdada91dc23fb443622a39
facebookarchive · Mar 5, 2018 · 6276d7c · 6276d7c
1 parent 1f384ab
commit 6276d7c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/modules/atom-ide-ui/pkg/atom-ide-global/lib/backports/installTextEditorStyles.js b/modules/atom-ide-ui/pkg/atom-ide-global/lib/backports/installTextEditorStyles.js
@@ -16,6 +16,8 @@ import {Observable} from 'rxjs';
 import invariant from 'assert';
 import semver from 'semver';
 
+const DEFAULT_FONT_STACK = "Menlo, Consolas, 'DejaVu Sans Mono', monospace";
+
 export default function installTextEditorStyles(): IDisposable {
   if (semver.gte(atom.appVersion, '1.26.0')) {
     // this behavior is part of 1.26 and greater
@@ -46,7 +48,7 @@ export default function installTextEditorStyles(): IDisposable {
       const styleSheetSource = `
         atom-workspace {
           --editor-font-size: ${fontSize}px;
-          --editor-font-family: ${fontFamily};
+          --editor-font-family: ${fontFamily || DEFAULT_FONT_STACK};
           --editor-line-height: ${lineHeight};
         }
       `;