fix(tsc-wrapped): resolve short-hand literal values to locals (#16873)

Fixes: #16872

tools/@angular/tsc-wrapped/src/evaluator.ts

@@ -233,6 +233,15 @@ export class Evaluator {
       return !t.options.verboseInvalidExpression && isMetadataError(value);
     }
 
+    const resolveName = (name: string): MetadataValue => {
+      const reference = this.symbols.resolve(name);
+      if (reference === undefined) {
+        // Encode as a global reference. StaticReflector will check the reference.
+        return recordEntry({__symbolic: 'reference', name}, node);
+      }
+      return reference;
+    };
+
     switch (node.kind) {
       case ts.SyntaxKind.ObjectLiteralExpression:
         let obj: {[name: string]: any} = {};
@@ -253,7 +262,7 @@ export class Evaluator {
               }
               const propertyValue = isPropertyAssignment(assignment) ?
                   this.evaluateNode(assignment.initializer) :
-                  {__symbolic: 'reference', name: propertyName};
+                  resolveName(propertyName);
               if (isFoldableError(propertyValue)) {
                 error = propertyValue;
                 return true;  // Stop the forEachChild.
@@ -384,12 +393,7 @@ export class Evaluator {
       case ts.SyntaxKind.Identifier:
         const identifier = <ts.Identifier>node;
         const name = identifier.text;
-        const reference = this.symbols.resolve(name);
-        if (reference === undefined) {
-          // Encode as a global reference. StaticReflector will check the reference.
-          return recordEntry({__symbolic: 'reference', name}, node);
-        }
-        return reference;
+        return resolveName(name);
       case ts.SyntaxKind.TypeReference:
         const typeReferenceNode = <ts.TypeReferenceNode>node;
         const typeNameNode = typeReferenceNode.typeName;

tools/@angular/tsc-wrapped/test/collector.spec.ts

@@ -721,6 +721,21 @@ describe('Collector', () => {
     });
   });
 
+  describe('regerssion', () => {
+    it('should be able to collect a short-hand property value', () => {
+      const source = ts.createSourceFile(
+          '', `
+        const children = { f1: 1 };
+        export const r = [
+          {path: ':locale', children}
+        ];
+      `,
+          ts.ScriptTarget.Latest, true);
+      const metadata = collector.getMetadata(source);
+      expect(metadata.metadata).toEqual({r: [{path: ':locale', children: {f1: 1}}]});
+    });
+  });
+
   function override(fileName: string, content: string) {
     host.overrideFile(fileName, content);
     host.addFile(fileName);