test: move ignores to node patching for abstract class

Author: JamesHenry

tests/ast-alignment/fixtures-to-test.ts

@@ -314,16 +314,6 @@ tester.addFixturePatternConfig('typescript/basics', {
      * TODO: remove me in next babel > 7.2.3
      */
     'arrow-function-with-type-parameters',
-    /**
-     * Babel: ClassDeclaration + abstract: true
-     * ts-estree: TSAbstractClassDeclaration
-     */
-    'abstract-class-with-abstract-properties',
-    /**
-     * Babel: ClassProperty + abstract: true
-     * ts-estree: TSAbstractClassProperty
-     */
-    'abstract-class-with-abstract-readonly-property',
     /**
      * Babel: TSExpressionWithTypeArguments
      * ts-estree: ClassImplements
@@ -465,21 +455,7 @@ tester.addFixturePatternConfig('typescript/types', {
 });
 
 tester.addFixturePatternConfig('typescript/declare', {
-  fileType: 'ts',
-  ignore: [
-    /**
-     * AST difference
-     * ts-estree: heritage = []
-     * babel: heritage = undefined
-     */
-    'interface',
-    /**
-     * AST difference
-     * ts-estree: TSAbstractClassDeclaration
-     * babel: ClassDeclaration[abstract=true]
-     */
-    'abstract-class'
-  ]
+  fileType: 'ts'
 });
 
 tester.addFixturePatternConfig('typescript/namespaces-and-modules', {

tests/ast-alignment/utils.ts

@@ -231,6 +231,26 @@ export function preprocessBabylonAST(ast: any): any {
             type: AST_NODE_TYPES.Identifier
           };
         }
+      },
+      /**
+       * Babel: ClassDeclaration + abstract: true
+       * ts-estree: TSAbstractClassDeclaration
+       */
+      ClassDeclaration(node: any) {
+        if (node.abstract) {
+          node.type = 'TSAbstractClassDeclaration';
+          delete node.abstract;
+        }
+      },
+      /**
+       * Babel: ClassProperty + abstract: true
+       * ts-estree: TSAbstractClassProperty
+       */
+      ClassProperty(node: any, parent: any) {
+        if (node.abstract) {
+          node.type = 'TSAbstractClassProperty';
+          delete node.abstract;
+        }
       }
     }
   );