[Fix] Mark ChainExpression as a noop

Co-authored-by: J. Renée Beach <[email protected]>
Co-authored-by: Jordan Harband <[email protected]>
Co-authored-by: Josh Goldberg <[email protected]>

Author: 3 people

__tests__/src/getPropLiteralValue-babelparser-test.js

@@ -168,6 +168,17 @@ describe('getLiteralPropValue', () => {
     });
   });
 
+  describeIfNotBabylon('Chain Expression', () => {
+    it('should return null', () => {
+      const prop = extractProp('<div foo={abc?.def} />');
+
+      const expected = null;
+      const actual = getLiteralPropValue(prop);
+
+      assert.equal(actual, expected);
+    });
+  });
+
   describe('Template literal', () => {
     it('should return template literal with vars wrapped in curly braces', () => {
       const prop = extractProp('<div foo={`bar ${baz}`} />');

src/values/expressions/index.js

@@ -156,6 +156,7 @@ const LITERAL_TYPES = {
   TSAsExpression: noop,
   TypeCastExpression: noop,
   SequenceExpression: noop,
+  ChainExpression: noop,
 };
 
 /**