text: const swc = require("../../");
  
  it("should emit _interopRequireDefault", () => {
      const out = swc.transformSync(`import foo from "foo"`, {
          module: {
              type: "commonjs"
          }
      });
      expect(out.map).toBeFalsy();
  
      expect(out.code).toContain(`function _interopRequireDefault`);
      expect(out.code).toContain(
          `var _foo = _interopRequireDefault(require("foo"))`
      );
  });
  
  it("should emit _interopRequireWildcard", () => {
      const out = swc.transformSync('import * as foo from "foo"', {
          module: {
              type: "commonjs"
          }
      });
      expect(out.map).toBeFalsy();
  
      expect(out.code).toContain(`function _interopRequireWildcard`);
      expect(out.code).toContain(
          `var foo = _interopRequireWildcard(require("foo"))`
      );
  });
  
  it("should work with amd and external helpers", () => {
      const out = swc.transformSync(
          `class Foo {}
      class Bar extends Foo {}`,
          {
              jsc: {
                  externalHelpers: true
              },
              module: {
                  type: "amd",
                  moduleId: "a"
              }
          }
      );
  
      expect(out.map).toBeFalsy();
  
      expect(out.code).toContain(`define("a",`);
      expect(out.code).toContain(`_class_call_check(this, Foo);`);
      expect(out.code).toContain(`_inherits(Bar, Foo);`);
  });
  