Fix react-native function call arity errors

Reviewed By: zertosh

Differential Revision: D5081816

fbshipit-source-id: 5978770c30a69fb287d03aa7511999ce30f856a1

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

@@ -14,6 +14,7 @@
 const assert = require('assert');
 const crypto = require('crypto');
 const debug = require('debug')('RNP:Bundler');
+const emptyFunction = require('fbjs/lib/emptyFunction');
 const fs = require('fs');
 const Transformer = require('../JSTransformer');
 const Resolver = require('../Resolver');
@@ -89,8 +90,6 @@ export type ExtendedAssetDescriptor = AssetDescriptor & {
 
 const sizeOf = denodeify(imageSize);
 
-const noop = () => {};
-
 const {
   createActionStartEntry,
   createActionEndEntry,
@@ -173,7 +172,7 @@ class Bundler {
 
     this._getModuleId = createModuleIdFactory();
 
-    let getCacheKey = () => '';
+    let getCacheKey = (options: mixed) => '';
     if (opts.transformModulePath) {
       /* $FlowFixMe: dynamic requires prevent static typing :'(  */
       const transformer = require(opts.transformModulePath);
@@ -283,7 +282,7 @@ class Bundler {
     const matchingRoot = this._projectRoots.find(root => filePath.startsWith(root));
 
     if (!matchingRoot) {
-      throw new Error('No matching project root for ', filePath);
+      throw new Error('No matching project root for ' + filePath);
     }
 
     // Replaces '\' with '/' for Windows paths.
@@ -422,10 +421,10 @@ class Bundler {
     isolateModuleIDs,
     generateSourceMaps,
     assetPlugins,
-    onResolutionResponse = noop,
-    onModuleTransformed = noop,
-    finalizeBundle = noop,
-    onProgress = noop,
+    onResolutionResponse = emptyFunction,
+    onModuleTransformed = emptyFunction,
+    finalizeBundle = emptyFunction,
+    onProgress = emptyFunction,
   }: *) {
     const transformingFilesLogEntry =
       log(createActionStartEntry({
@@ -641,7 +640,7 @@ class Bundler {
     bundle: Bundle,
     entryFilePath: string,
     options: BundlingOptions,
-    getModuleId: () => number,
+    getModuleId: (module: Module) => number,
     dependencyPairs: Array<[string, Module]>,
     assetPlugins: Array<string>,
   }): Promise<ModuleTransport> {

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

@@ -166,11 +166,11 @@ function TransformError() {
 }
 util.inherits(TransformError, SyntaxError);
 
-function formatError(err, filename, source) {
+function formatError(err, filename) {
   if (err.loc) {
-    return formatBabelError(err, filename, source);
+    return formatBabelError(err, filename);
   } else {
-    return formatGenericError(err, filename, source);
+    return formatGenericError(err, filename);
   }
 }
 

packages/metro-bundler/src/ModuleGraph/Graph.js

@@ -10,6 +10,7 @@
  */
 'use strict';
 
+const emptyFunction = require('fbjs/lib/emptyFunction');
 const invariant = require('fbjs/lib/invariant');
 const memoize = require('async/memoize');
 const nullthrows = require('fbjs/lib/nullthrows');
@@ -51,11 +52,10 @@ type LoadQueue =
 const createParentModule =
   () => ({file: {code: '', type: 'script', path: ''}, dependencies: []});
 
-const noop = () => {};
 const NO_OPTIONS = {};
 
 exports.create = function create(resolve: ResolveFn, load: LoadFn): GraphFn {
-  function Graph(entryPoints, platform, options, callback = noop) {
+  function Graph(entryPoints, platform, options, callback = emptyFunction) {
     const {
       log = (console: any),
       optimize = false,
@@ -80,7 +80,7 @@ exports.create = function create(resolve: ResolveFn, load: LoadFn): GraphFn {
       callback(null, collect());
     };
     loadQueue.error = error => {
-      loadQueue.error = noop;
+      loadQueue.error = emptyFunction;
       loadQueue.kill();
       callback(error);
     };

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

@@ -16,6 +16,7 @@ const Bundler = require('../Bundler');
 const MultipartResponse = require('./MultipartResponse');
 
 const defaults = require('../../defaults');
+const emptyFunction = require('fbjs/lib/emptyFunction');
 const mime = require('mime-types');
 const parsePlatformFilePath = require('../node-haste/lib/parsePlatformFilePath');
 const path = require('path');
@@ -26,7 +27,6 @@ const url = require('url');
 const debug = require('debug')('RNP:Server');
 
 import type Module, {HasteImpl} from '../node-haste/Module';
-import type {Stats} from 'fs';
 import type {IncomingMessage, ServerResponse} from 'http';
 import type ResolutionResponse from '../node-haste/DependencyGraph/ResolutionResponse';
 import type Bundle from '../Bundler/Bundle';
@@ -175,7 +175,7 @@ class Server {
       watch: options.watch || false,
     };
     const processFileChange =
-      ({type, filePath, stat}) => this.onFileChange(type, filePath, stat);
+      ({type, filePath}) => this.onFileChange(type, filePath);
 
     this._reporter = options.reporter;
     this._projectRoots = this._opts.projectRoots;
@@ -316,8 +316,8 @@ class Server {
     });
   }
 
-  onFileChange(type: string, filePath: string, stat: Stats) {
-    this._assetServer.onFileChange(type, filePath, stat);
+  onFileChange(type: string, filePath: string) {
+    this._assetServer.onFileChange(type, filePath);
 
     // If Hot Loading is enabled avoid rebuilding bundles and sending live
     // updates. Instead, send the HMR updates right away and clear the bundles
@@ -653,7 +653,7 @@ class Server {
         entry_point: options.entryFile,
       }));
 
-    let reportProgress = () => {};
+    let reportProgress = emptyFunction;
     if (!this._opts.silent) {
       reportProgress = (transformedFileCount, totalFileCount) => {
         this._reporter.update({

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

@@ -90,14 +90,16 @@ class TransformCache {
    * close to each others, one of the workers is going to loose its results no
    * matter what.
    */
-  writeSync(props: {
+  writeSync(
+    props: {
       filePath: string,
       sourceCode: string,
       getTransformCacheKey: GetTransformCacheKey,
       transformOptions: WorkerOptions,
       transformOptionsKey: string,
       result: CachedResult,
-  }): void {
+    },
+  ): void {
     const cacheFilePath = this._getCacheFilePaths(props);
     mkdirp.sync(path.dirname(cacheFilePath.transformedCode));
     const {result} = props;
@@ -233,7 +235,7 @@ class TransformCache {
     mkdirp.sync(cacheDirPath);
     const cacheCollectionFilePath = path.join(cacheDirPath, 'last_collected');
     const lastCollected = Number.parseInt(
-      tryReadFileSync(cacheCollectionFilePath, 'utf8'),
+      tryReadFileSync(cacheCollectionFilePath),
       10,
     );
     if (
@@ -253,10 +255,12 @@ class TransformCache {
    * account because it would generate lots of file during development. (The
    * source hash is stored in the metadata instead).
    */
-  _getCacheFilePaths(props: {
+  _getCacheFilePaths(
+    props: {
       filePath: string,
       transformOptionsKey: string,
-  }): CacheFilePaths {
+    },
+  ): CacheFilePaths {
     const hasher = crypto
       .createHash('sha1')
       .update(props.filePath)
@@ -384,13 +388,15 @@ function tryParseJSON(str: string): any {
   }
 }
 
-function hashSourceCode(props: {
+function hashSourceCode(
+  props: {
     filePath: string,
     sourceCode: string,
     getTransformCacheKey: GetTransformCacheKey,
     transformOptions: WorkerOptions,
     transformOptionsKey: string,
-}): string {
+  },
+): string {
   return crypto
     .createHash('sha1')
     .update(props.getTransformCacheKey(props.transformOptions))

packages/metro-bundler/src/node-haste/DependencyGraph.js

@@ -156,8 +156,8 @@ class DependencyGraph extends EventEmitter {
     this._filesByDirNameIndex = new FilesByDirNameIndex(hasteFS.getAllFiles());
     this._assetResolutionCache.clear();
     this._moduleMap = moduleMap;
-    eventsQueue.forEach(({type, filePath, stat}) =>
-      this._moduleCache.processFileChange(type, filePath, stat)
+    eventsQueue.forEach(({type, filePath}) =>
+      this._moduleCache.processFileChange(type, filePath)
     );
     this.emit('change');
   }
@@ -290,11 +290,11 @@ class DependencyGraph extends EventEmitter {
 
 }
 
-function NotFoundError() {
+function NotFoundError(...args) {
   /* $FlowFixMe: monkey-patching */
   Error.call(this);
   Error.captureStackTrace(this, this.constructor);
-  var msg = util.format.apply(util, arguments);
+  var msg = util.format.apply(util, args);
   this.message = msg;
   this.type = this.name = 'NotFoundError';
   this.status = 404;