using optional chaining

.babelrc

@@ -6,6 +6,7 @@
             "useBuiltIns": true
         }],
         "@babel/plugin-proposal-optional-catch-binding",
+        "@babel/plugin-proposal-optional-chaining",
         "@babel/plugin-external-helpers"
     ]
 }

app/scripts/auto-type/auto-type-runner.js

@@ -204,7 +204,7 @@ AutoTypeRunner.prototype.resolveOp = function(op) {
         }
         return;
     }
-    if (this.context && this.context.resolved && this.context.resolved[lowerValue]) {
+    if (this.context?.resolved?.[lowerValue]) {
         op.type = 'text';
         op.value = this.context.resolved[lowerValue];
         return;

package.json

@@ -13,6 +13,7 @@
         "@babel/core": "^7.9.6",
         "@babel/plugin-external-helpers": "^7.8.3",
         "@babel/plugin-proposal-class-properties": "^7.8.3",
+        "@babel/plugin-proposal-optional-chaining": "^7.9.0",
         "@babel/preset-env": "^7.9.6",
         "@keeweb/keeweb-native-modules": "https://github.com/keeweb/keeweb-native-modules/releases/download/0.1.6/keeweb-native-modules.tgz",
         "adm-zip": "^0.4.14",