Don't require Activity inside of DependencyResolver

Reviewed By: martinbigio

Differential Revision: D2619364

fb-gh-sync-id: 7947388c8041e5d6cbc1e20c8eb9fc7325dc46e0

packager/react-packager/src/DependencyResolver/DependencyGraph/DeprecatedAssetMap.js

@@ -8,7 +8,6 @@
  */
 'use strict';
 
-const Activity = require('../../Activity');
 const AssetModule_DEPRECATED = require('../AssetModule_DEPRECATED');
 const Fastfs = require('../fastfs');
 const debug = require('debug')('ReactNativePackager:DependencyGraph');
@@ -16,7 +15,15 @@ const path = require('path');
 const Promise = require('promise');
 
 class DeprecatedAssetMap {
-  constructor({ fsCrawl, roots, assetExts, fileWatcher, ignoreFilePath, helpers }) {
+  constructor({
+    fsCrawl,
+    roots,
+    assetExts,
+    fileWatcher,
+    ignoreFilePath,
+    helpers,
+    activity
+  }) {
     if (roots == null || roots.length === 0) {
       this._disabled = true;
       return;
@@ -29,8 +36,9 @@ class DeprecatedAssetMap {
       'Assets',
       roots,
       fileWatcher,
-      { ignore: ignoreFilePath, crawling: fsCrawl }
+      { ignore: ignoreFilePath, crawling: fsCrawl, activity }
     );
+    this._activity = activity;
 
     this._fastfs.on('change', this._processFileChange.bind(this));
   }
@@ -42,15 +50,21 @@ class DeprecatedAssetMap {
 
     return this._fastfs.build().then(
       () => {
-        const processAsset_DEPRECATEDActivity = Activity.startEvent(
+        const activity = this._activity;
+        let processAsset_DEPRECATEDActivity;
+        if (activity) {
+          processAsset_DEPRECATEDActivity = activity.startEvent(
             'Building (deprecated) Asset Map',
           );
+        }
 
         this._fastfs.findFilesByExts(this._assetExts).forEach(
           file => this._processAsset(file)
         );
 
-        Activity.endEvent(processAsset_DEPRECATEDActivity);
+        if (activity) {
+          activity.endEvent(processAsset_DEPRECATEDActivity);
+        }
       }
     );
   }

packager/react-packager/src/DependencyResolver/DependencyGraph/index.js

@@ -8,7 +8,6 @@
  */
 'use strict';
 
-const Activity = require('../../Activity');
 const Fastfs = require('../fastfs');
 const ModuleCache = require('../ModuleCache');
 const Promise = require('promise');
@@ -25,14 +24,20 @@ const HasteMap = require('./HasteMap');
 const DeprecatedAssetMap = require('./DeprecatedAssetMap');
 
 const validateOpts = declareOpts({
+  activity: {
+    type: 'object',
+    default: {
+      startEvent: () => {},
+      endEvent: () => {},
+    },
+  },
   roots: {
     type: 'array',
     required: true,
   },
   ignoreFilePath: {
     type: 'function',
-
-    default: function(){}
+    default: () => {}
   },
   fileWatcher: {
     type: 'object',
@@ -86,15 +91,16 @@ class DependencyGraph {
       return this._loading;
     }
 
-    const depGraphActivity = Activity.startEvent('Building Dependency Graph');
-    const crawlActivity = Activity.startEvent('Crawling File System');
+    const {activity} = this._opts;
+    const depGraphActivity = activity.startEvent('Building Dependency Graph');
+    const crawlActivity = activity.startEvent('Crawling File System');
     const allRoots = this._opts.roots.concat(this._opts.assetRoots_DEPRECATED);
     this._crawling = crawl(allRoots, {
       ignore: this._opts.ignoreFilePath,
       exts: ['js', 'json'].concat(this._opts.assetExts),
       fileWatcher: this._opts.fileWatcher,
     });
-    this._crawling.then((files) => Activity.endEvent(crawlActivity));
+    this._crawling.then((files) => activity.endEvent(crawlActivity));
 
     this._fastfs = new Fastfs(
       'JavaScript',
@@ -103,6 +109,7 @@ class DependencyGraph {
       {
         ignore: this._opts.ignoreFilePath,
         crawling: this._crawling,
+        activity: activity,
       }
     );
 
@@ -124,17 +131,18 @@ class DependencyGraph {
       fileWatcher: this._opts.fileWatcher,
       ignoreFilePath: this._opts.ignoreFilePath,
       assetExts: this._opts.assetExts,
+      activity: this._opts.activity,
     });
 
     this._loading = Promise.all([
       this._fastfs.build()
         .then(() => {
-          const hasteActivity = Activity.startEvent('Building Haste Map');
-          return this._hasteMap.build().then(() => Activity.endEvent(hasteActivity));
+          const hasteActivity = activity.startEvent('Building Haste Map');
+          return this._hasteMap.build().then(() => activity.endEvent(hasteActivity));
         }),
       this._deprecatedAssetMap.build(),
     ]).then(() =>
-      Activity.endEvent(depGraphActivity)
+      activity.endEvent(depGraphActivity)
     );
 
     return this._loading;

packager/react-packager/src/DependencyResolver/fastfs.js

@@ -1,6 +1,5 @@
 'use strict';
 
-const Activity = require('../Activity');
 const Promise = require('promise');
 const {EventEmitter} = require('events');
 
@@ -15,7 +14,7 @@ const hasOwn = Object.prototype.hasOwnProperty;
 const NOT_FOUND_IN_ROOTS = 'NotFoundInRootsError';
 
 class Fastfs extends EventEmitter {
-  constructor(name, roots, fileWatcher, {ignore, crawling}) {
+  constructor(name, roots, fileWatcher, {ignore, crawling, activity}) {
     super();
     this._name = name;
     this._fileWatcher = fileWatcher;
@@ -23,6 +22,7 @@ class Fastfs extends EventEmitter {
     this._roots = roots.map(root => new File(root, { isDir: true }));
     this._fastPaths = Object.create(null);
     this._crawling = crawling;
+    this._activity = activity;
   }
 
   build() {
@@ -31,7 +31,11 @@ class Fastfs extends EventEmitter {
     );
 
     return this._crawling.then(files => {
-      const fastfsActivity = Activity.startEvent('Building in-memory fs for ' + this._name);
+      let fastfsActivity;
+      const activity = this._activity;
+      if (activity) {
+        fastfsActivity = activity.startEvent('Building in-memory fs for ' + this._name);
+      }
       files.forEach(filePath => {
         if (filePath.match(rootsPattern)) {
           const newFile = new File(filePath, { isDir: false });
@@ -48,7 +52,9 @@ class Fastfs extends EventEmitter {
           }
         }
       });
-      Activity.endEvent(fastfsActivity);
+      if (activity) {
+        activity.endEvent(fastfsActivity);
+      }
       this._fileWatcher.on('all', this._processFileChange.bind(this));
     });
   }

packager/react-packager/src/Resolver/index.js

@@ -8,14 +8,16 @@
  */
 'use strict';
 
-var path = require('path');
-var DependencyGraph = require('../DependencyResolver/DependencyGraph');
-var replacePatterns = require('../DependencyResolver/replacePatterns');
-var Polyfill = require('../DependencyResolver/Polyfill');
-var declareOpts = require('../lib/declareOpts');
-var Promise = require('promise');
 
-var validateOpts = declareOpts({
+const path = require('path');
+const Activity = require('../Activity');
+const DependencyGraph = require('../DependencyResolver/DependencyGraph');
+const replacePatterns = require('../DependencyResolver/replacePatterns');
+const Polyfill = require('../DependencyResolver/Polyfill');
+const declareOpts = require('../lib/declareOpts');
+const Promise = require('promise');
+
+const validateOpts = declareOpts({
   projectRoots: {
     type: 'array',
     required: true,
@@ -49,7 +51,7 @@ var validateOpts = declareOpts({
   },
 });
 
-var getDependenciesValidateOpts = declareOpts({
+const getDependenciesValidateOpts = declareOpts({
   dev: {
     type: 'boolean',
     default: true,
@@ -63,9 +65,10 @@ var getDependenciesValidateOpts = declareOpts({
 class Resolver {
 
   constructor(options) {
-    var opts = validateOpts(options);
+    const opts = validateOpts(options);
 
     this._depGraph = new DependencyGraph({
+      activity: Activity,
       roots: opts.projectRoots,
       assetRoots_DEPRECATED: opts.assetRoots,
       assetExts: opts.assetExts,
@@ -81,7 +84,7 @@ class Resolver {
   }
 
   getDependencies(main, options) {
-    var opts = getDependenciesValidateOpts(options);
+    const opts = getDependenciesValidateOpts(options);
 
     return this._depGraph.getDependencies(main, opts.platform).then(
       resolutionResponse => {
@@ -95,7 +98,7 @@ class Resolver {
   }
 
   _getPolyfillDependencies(isDev) {
-    var polyfillModuleNames = [
+    const polyfillModuleNames = [
      isDev
         ? path.join(__dirname, 'polyfills/prelude_dev.js')
         : path.join(__dirname, 'polyfills/prelude.js'),