Test trailingComma

Author: fisker

tests/helpers.ts

@@ -39,6 +39,13 @@ export function massageAst(ast: any, parser: 'babel' | 'angular'): any {
       delete ast.extra.parenStart;
     }
 
+    if (
+      (ast.type === 'ArrayExpression' || ast.type === 'ObjectExpression') &&
+      typeof ast.extra?.trailingComma === 'number'
+    ) {
+      delete ast.extra.trailingComma;
+    }
+
     delete ast.loc;
   }
 

tests/transform.test.ts

@@ -208,12 +208,12 @@ const testCases: TestCase[] = [
   {
     expectedAngularType: 'LiteralArray',
     expectedEstreeType: 'ArrayExpression',
-    text: ' [ 1 ] ',
+    text: ' ( ( [ ( ( 1 ) ), ] ) ) ',
   },
   {
     expectedAngularType: 'LiteralMap',
     expectedEstreeType: 'ObjectExpression',
-    text: ' ( ( { "a" : ( ( 1 ) ) } ) )',
+    text: ' ( ( { "a" : ( ( 1 ) ), } ) )',
   },
   {
     expectedAngularType: 'LiteralMap',