Fold modulegraphs sourcemap file into metro-source-map

Reviewed By: rafeca

Differential Revision: D6711210

fbshipit-source-id: 1d91df189607c032045f604df75b119a87794ca6

packages/metro-source-map/src/source-map.js

@@ -167,7 +167,19 @@ function countLines(string) {
   return string.split('\n').length;
 }
 
+function createIndexMap(
+  file: string,
+  sections: Array<IndexMapSection>,
+): IndexMap {
+  return {
+    version: 3,
+    file,
+    sections,
+  };
+}
+
 module.exports = {
+  createIndexMap,
   fromRawMappings,
   toBabelSegments,
   toSegmentTuple,

packages/metro/src/ModuleGraph/output/plain-bundle.js

@@ -14,8 +14,8 @@
 
 const meta = require('../../shared/output/meta');
 
-const {createIndexMap} = require('./source-map');
 const {getModuleCode, concat} = require('./util');
+const {createIndexMap} = require('metro-source-map');
 
 import type {OutputFn} from '../types.flow';
 
@@ -52,7 +52,7 @@ function asPlainBundle({
   return {
     code,
     extraFiles: [[`${filename}.meta`, meta(code)]],
-    map: createIndexMap({file: filename, sections}),
+    map: createIndexMap(filename, sections),
   };
 }
 

packages/metro/src/ModuleGraph/output/source-map.js

@@ -1,28 +0,0 @@
-/**
- * Copyright (c) 2016-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- *
- * @flow
- * @format
- */
-
-'use strict';
-
-import type {FBSourceMap, IndexMap, IndexMapSection} from 'metro-source-map';
-
-export type {FBSourceMap};
-
-type CreateIndexMapOptions = {|
-  file?: string,
-  sections?: Array<IndexMapSection>,
-|};
-
-exports.createIndexMap = (opts?: CreateIndexMapOptions): IndexMap => ({
-  version: 3,
-  file: opts && opts.file,
-  sections: (opts && opts.sections) || [],
-});