Add importer to options for backwards-compat work

Author: phated

bin/react-docgen.js

@@ -103,7 +103,7 @@ if (argv.resolver) {
 }
 
 function parse(source, filename) {
-  return parser.parse(source, resolver, null, null, {
+  return parser.parse(source, resolver, null, {
     filename,
   });
 }

src/__tests__/main-test.js

@@ -226,7 +226,7 @@ describe('main', () => {
       it(`processes component "${fileNames[i]}" without errors`, () => {
         let result;
         expect(() => {
-          result = parse(fileContent, null, null, null, {
+          result = parse(fileContent, null, null, {
             filename: filePath,
             babelrc: false,
           });

src/main.js

@@ -48,18 +48,17 @@ function defaultParse(
   src: string | Buffer,
   resolver?: ?Resolver,
   handlers?: ?Array<Handler>,
-  importer?: ?Importer,
-  options?: Options = {},
+  // Used for backwards compatibility of this method
+  options?: Options & { importer?: Importer } = {},
 ): Array<DocumentationObject> | DocumentationObject {
   if (!resolver) {
     resolver = defaultResolver;
   }
   if (!handlers) {
     handlers = defaultHandlers;
   }
-  if (!importer) {
-    importer = defaultImporter;
-  }
+
+  const { importer = defaultImporter } = options;
 
   return parse(String(src), resolver, handlers, importer, options);
 }