Minor lint fixes

Reviewed By: jeanlauliac

Differential Revision: D5111517

fbshipit-source-id: 5cf8884334b881fb9a2b1b490972faf45c0c569b

packages/metro-bundler/src/Bundler/Bundle.js

@@ -231,7 +231,7 @@ class Bundle extends BundleBase {
 
       result.sections.push({
         offset: {line, column: 0},
-        map: map,
+        map,
       });
       line += module.code.split('\n').length;
     });

packages/metro-bundler/src/Bundler/index.js

@@ -198,7 +198,7 @@ class Bundler {
       }
     );
 
-    const getTransformCacheKey = (options) => {
+    const getTransformCacheKey = options => {
       return transformCacheKey + getCacheKey(options);
     };
 
@@ -810,7 +810,7 @@ class Bundler {
           inlineRequires: transform.inlineRequires || false,
           platform,
           projectRoot: options.projectRoots[0],
-        }
+        },
       },
       preloadedModules: extraOptions.preloadedModules,
       ramGroups: extraOptions.ramGroups,

packages/metro-bundler/src/Bundler/util.js

@@ -72,5 +72,5 @@ function filterObject(object, blacklist) {
 module.exports = {
   generateAssetCodeFileAst,
   generateAssetTransformResult,
-  isAssetTypeAnImage
+  isAssetTypeAnImage,
 };

packages/metro-bundler/src/JSTransformer/worker/minify.js

@@ -18,14 +18,15 @@ const {UGLIFY_JS_OUTPUT_OPTIONS} = require('./JsMinification');
 import type {MappingsMap} from '../../lib/SourceMap';
 
 function minify(filename: string, inputCode: string, sourceMap: ?MappingsMap) {
-  let {code, map} = uglify.minify(inputCode, {
+  const result = uglify.minify(inputCode, {
     fromString: true,
     inSourceMap: sourceMap,
     outSourceMap: true,
     output: UGLIFY_JS_OUTPUT_OPTIONS,
   });
 
-  map = JSON.parse(map);
+  const code = result.code;
+  const map = JSON.parse(result.map);
   map.sources = [filename];
   return {code, map};
 }

packages/metro-bundler/src/lib/GlobalTransformCache.js

@@ -386,7 +386,7 @@ class OptionsHasher {
   hashTransformOptions(hash: crypto$Hash, options: TransformOptionsStrict): crypto$Hash {
     const {
       generateSourceMaps, dev, hot, inlineRequires, platform, projectRoot,
-      ...unknowns,
+      ...unknowns
     } = options;
     const unknownKeys = Object.keys(unknowns);
     if (unknownKeys.length > 0) {

packages/metro-bundler/src/node-haste/lib/AssetPaths.js

@@ -61,7 +61,7 @@ function tryParse(
     assetName: path.join(dirPath, `${rootName}.${extension}`),
     name: rootName,
     platform,
-    resolution: resolution,
+    resolution,
     type: extension,
   };
 }

packages/metro-bundler/transformer.js

@@ -134,7 +134,7 @@ function transform({filename, options, src}: Params) {
         ast: null,
         code: src,
         filename,
-        map: null
+        map: null,
       };
     } else {
       const result = generate(ast, {