Remove baseTransformer

Reviewed By: jeanlauliac

Differential Revision: D4506124

fbshipit-source-id: 642f06dffe4ea710113e8e8426915bf1b40d4611

packager/src/ModuleGraph/worker/transform-module.js

@@ -21,8 +21,8 @@ const {basename} = require('path');
 import type {
   Callback,
   TransformedFile,
-  TransformFn,
-  TransformFnResult,
+  Transformer,
+  TransformerResult,
   TransformResult,
   TransformVariants,
 } from '../types.flow';
@@ -30,7 +30,7 @@ import type {
 export type TransformOptions = {|
   filename: string,
   polyfill?: boolean,
-  transform: TransformFn,
+  transformer: Transformer,
   variants?: TransformVariants,
 |};
 
@@ -47,17 +47,23 @@ function transformModule(
     return transformJSON(code, options, callback);
   }
 
-  const {filename, transform, variants = defaultVariants} = options;
+  const {filename, transformer, variants = defaultVariants} = options;
   const tasks = {};
   Object.keys(variants).forEach(name => {
-    tasks[name] = cb => transform({
-      filename,
-      sourceCode: code,
-      options: variants[name],
-    }, cb);
+    tasks[name] = cb => {
+      try {
+        cb(null, transformer.transform(
+          code,
+          filename,
+          variants[name],
+        ));
+      } catch (error) {
+        cb(error, null);
+      }
+    };
   });
 
-  series(tasks, (error, results: {[key: string]: TransformFnResult}) => {
+  series(tasks, (error, results: {[key: string]: TransformerResult}) => {
     if (error) {
       callback(error);
       return;