Move DeltaBundler flow types to a single file

Reviewed By: mjesun

Differential Revision: D7895075

fbshipit-source-id: 0b9754b4b2a8210e6a8f3d74b0eae83bf6472b52

packages/metro/src/Bundler.js

@@ -21,7 +21,7 @@ const toLocalPath = require('./node-haste/lib/toLocalPath');
 
 const {Cache, stableHash} = require('metro-cache');
 
-import type {TransformResult} from './DeltaBundler/traverseDependencies';
+import type {TransformResult} from './DeltaBundler';
 import type {
   JsOutput,
   WorkerOptions,

packages/metro/src/DeltaBundler.js

@@ -13,9 +13,15 @@
 const DeltaCalculator = require('./DeltaBundler/DeltaCalculator');
 
 import type Bundler from './Bundler';
-import type {DeltaResult, Graph, Options} from './DeltaBundler/DeltaCalculator';
+import type {DeltaResult, Graph, Options} from './DeltaBundler/types.flow';
 
-export type {DeltaResult, Graph} from './DeltaBundler/DeltaCalculator';
+export type {
+  DeltaResult,
+  Graph,
+  Module,
+  TransformFn,
+  TransformResult,
+} from './DeltaBundler/types.flow';
 
 /**
  * `DeltaBundler` uses the `DeltaTransformer` to build bundle deltas. This

packages/metro/src/DeltaBundler/DeltaCalculator.js

@@ -18,15 +18,7 @@ const {
 const {EventEmitter} = require('events');
 
 import type DependencyGraph from '../node-haste/DependencyGraph';
-import type {Graph, Module, Options} from './traverseDependencies';
-
-export type DeltaResult<T> = {|
-  +modified: Map<string, Module<T>>,
-  +deleted: Set<string>,
-  +reset: boolean,
-|};
-
-export type {Graph, Options} from './traverseDependencies';
+import type {DeltaResult, Graph, Options} from './types.flow';
 
 /**
  * This class is in charge of calculating the delta of changed modules that

packages/metro/src/DeltaBundler/Serializers/deltaJSBundle.js

@@ -15,10 +15,8 @@ const getAppendScripts = require('../../lib/getAppendScripts');
 const {wrapModule} = require('./helpers/js');
 const {getJsOutput, isJsModule} = require('./helpers/js');
 
-import type {DeltaResult} from '../../DeltaBundler/DeltaCalculator';
-import type {Graph} from '../../DeltaBundler';
 import type {JsOutput} from '../../JSTransformer/worker';
-import type {Module} from '../traverseDependencies';
+import type {DeltaResult, Graph, Module} from '../types.flow';
 
 type Options = {|
   +createModuleId: string => number | string,

packages/metro/src/DeltaBundler/Serializers/getAllFiles.js

@@ -14,8 +14,7 @@ const {getAssetFiles} = require('../../Assets');
 const {getJsOutput, isJsModule} = require('./helpers/js');
 
 import type {JsOutput} from '../../JSTransformer/worker';
-import type {Graph} from '../DeltaCalculator';
-import type {Module} from '../traverseDependencies';
+import type {Graph, Module} from '../types.flow';
 
 type Options = {|
   platform: ?string,

packages/metro/src/DeltaBundler/Serializers/getAssets.js

@@ -17,7 +17,7 @@ const {getJsOutput, isJsModule} = require('./helpers/js');
 
 import type {AssetData} from '../../Assets';
 import type {JsOutput} from '../../JSTransformer/worker';
-import type {Graph} from '../DeltaCalculator';
+import type {Graph} from '../types.flow';
 
 type Options = {|
   assetPlugins: $ReadOnlyArray<string>,

packages/metro/src/DeltaBundler/Serializers/getRamBundleInfo.js

@@ -22,8 +22,7 @@ const {isJsModule, wrapModule} = require('./helpers/js');
 import type {GetTransformOptions} from '../../Bundler';
 import type {JsOutput} from '../../JSTransformer/worker';
 import type {ModuleTransportLike} from '../../shared/types.flow';
-import type {Graph} from '../DeltaCalculator';
-import type {Module} from '../traverseDependencies';
+import type {Graph, Module} from '../types.flow';
 
 type Options = {|
   +createModuleId: string => number,

packages/metro/src/DeltaBundler/Serializers/helpers/getTransitiveDependencies.js

@@ -10,7 +10,7 @@
 
 'use strict';
 
-import type {Graph} from '../../DeltaCalculator';
+import type {Graph} from '../../types.flow';
 
 function getTransitiveDependencies<T>(
   path: string,

packages/metro/src/DeltaBundler/Serializers/helpers/js.js

@@ -15,7 +15,7 @@ const invariant = require('fbjs/lib/invariant');
 const path = require('path');
 
 import type {JsOutput} from '../../../JSTransformer/worker';
-import type {Module} from '../../traverseDependencies';
+import type {Module} from '../../types.flow';
 
 export type Options = {
   +createModuleId: string => number | string,

packages/metro/src/DeltaBundler/Serializers/hmrJSBundle.js

@@ -14,10 +14,8 @@ const addParamsToDefineCall = require('../../lib/addParamsToDefineCall');
 
 const {isJsModule, wrapModule} = require('./helpers/js');
 
-import type {DeltaResult} from '../../DeltaBundler/DeltaCalculator';
-import type {Graph} from '../../DeltaBundler';
 import type {JsOutput} from '../../JSTransformer/worker';
-import type {Module} from '../traverseDependencies';
+import type {DeltaResult, Graph, Module} from '../types.flow';
 
 type Options = {
   createModuleId: string => number,

packages/metro/src/DeltaBundler/Serializers/plainJSBundle.js

@@ -15,8 +15,7 @@ const getAppendScripts = require('../../lib/getAppendScripts');
 const {isJsModule, wrapModule} = require('./helpers/js');
 
 import type {JsOutput} from '../../JSTransformer/worker';
-import type {Graph} from '../DeltaCalculator';
-import type {Module} from '../traverseDependencies';
+import type {Graph, Module} from '../types.flow';
 
 type Options = {|
   +createModuleId: string => number | string,

packages/metro/src/DeltaBundler/Serializers/sourceMapObject.js

@@ -14,8 +14,7 @@ const {isJsModule, getJsOutput} = require('./helpers/js');
 const {fromRawMappings} = require('metro-source-map');
 
 import type {JsOutput} from '../../JSTransformer/worker';
-import type {Graph} from '../DeltaCalculator';
-import type {Module} from '../traverseDependencies';
+import type {Graph, Module} from '../types.flow';
 import type {BabelSourceMap} from '@babel/core';
 
 function fullSourceMapObject(

packages/metro/src/DeltaBundler/Serializers/sourceMapString.js

@@ -14,8 +14,7 @@ const {isJsModule, getJsOutput} = require('./helpers/js');
 const {fromRawMappings} = require('metro-source-map');
 
 import type {JsOutput} from '../../JSTransformer/worker';
-import type {Graph} from '../DeltaCalculator';
-import type {Module} from '../traverseDependencies';
+import type {Graph, Module} from '../types.flow';
 
 function fullSourceMap(
   pre: $ReadOnlyArray<Module<JsOutput>>,

packages/metro/src/DeltaBundler/traverseDependencies.js

@@ -11,24 +11,7 @@
 'use strict';
 
 import type {TransformResultDependency} from '../ModuleGraph/types.flow';
-
-export type Dependency = {|
-  absolutePath: string,
-  data: TransformResultDependency,
-|};
-
-export type Module<T> = {|
-  dependencies: Map<string, Dependency>,
-  inverseDependencies: Set<string>,
-  output: $ReadOnlyArray<T>,
-  path: string,
-  getSource: () => string,
-|};
-
-export type Graph<T> = {|
-  dependencies: Map<string, Module<T>>,
-  entryPoints: $ReadOnlyArray<string>,
-|};
+import type {Dependency, Graph, Module, Options} from './types.flow';
 
 type Result<T> = {added: Map<string, Module<T>>, deleted: Set<string>};
 
@@ -44,20 +27,6 @@ type Delta<T> = {
   deleted: Set<string>,
 };
 
-export type TransformResult<T> = {|
-  dependencies: $ReadOnlyArray<TransformResultDependency>,
-  output: $ReadOnlyArray<T>,
-  +getSource: () => string,
-|};
-
-export type TransformFn<T> = string => Promise<TransformResult<T>>;
-
-export type Options<T> = {|
-  resolve: (from: string, to: string) => string,
-  transform: TransformFn<T>,
-  onProgress: ?(numProcessed: number, total: number) => mixed,
-|};
-
 /**
  * Dependency Traversal logic for the Delta Bundler. This method calculates
  * the modules that should be included in the bundle by traversing the

packages/metro/src/DeltaBundler/types.flow.js

@@ -0,0 +1,51 @@
+/**
+ * Copyright (c) 2018-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ * @format
+ */
+
+'use strict';
+
+import type {TransformResultDependency} from '../ModuleGraph/types.flow';
+
+export type Dependency = {|
+  +absolutePath: string,
+  +data: TransformResultDependency,
+|};
+
+export type Module<T> = {|
+  dependencies: Map<string, Dependency>,
+  inverseDependencies: Set<string>,
+  output: $ReadOnlyArray<T>,
+  path: string,
+  getSource: () => string,
+|};
+
+export type Graph<T> = {|
+  dependencies: Map<string, Module<T>>,
+  entryPoints: $ReadOnlyArray<string>,
+|};
+
+export type TransformResult<T> = {|
+  dependencies: $ReadOnlyArray<TransformResultDependency>,
+  output: $ReadOnlyArray<T>,
+  +getSource: () => string,
+|};
+
+export type TransformFn<T> = string => Promise<TransformResult<T>>;
+
+export type Options<T> = {|
+  resolve: (from: string, to: string) => string,
+  transform: TransformFn<T>,
+  onProgress: ?(numProcessed: number, total: number) => mixed,
+|};
+
+export type DeltaResult<T> = {|
+  +modified: Map<string, Module<T>>,
+  +deleted: Set<string>,
+  +reset: boolean,
+|};

packages/metro/src/Server.js

@@ -42,7 +42,7 @@ const {getAsset} = require('./Assets');
 const resolveSync: ResolveSync = require('resolve').sync;
 
 import type {CustomError} from './lib/formatBundlingError';
-import type {Module} from './DeltaBundler/traverseDependencies';
+import type {DeltaResult, Graph, Module} from './DeltaBundler';
 import type {IncomingMessage, ServerResponse} from 'http';
 import type {Reporter} from './lib/reporting';
 import type {RamBundleInfo} from './DeltaBundler/Serializers/getRamBundleInfo';
@@ -53,8 +53,6 @@ import type {
   PostProcessBundleSourcemap,
 } from './Bundler';
 import type {CacheStore} from 'metro-cache';
-import type {Graph} from './DeltaBundler';
-import type {DeltaResult} from './DeltaBundler/DeltaCalculator';
 import type {CustomResolver} from 'metro-resolver';
 import type {MetroSourceMap} from 'metro-source-map';
 import type {Symbolicate} from './Server/symbolicate/symbolicate';

packages/metro/src/lib/getAppendScripts.js

@@ -10,8 +10,7 @@
 
 'use strict';
 
-import type {Graph} from '../DeltaBundler/DeltaCalculator';
-import type {Module} from '../DeltaBundler/traverseDependencies';
+import type {Graph, Module} from '../DeltaBundler';
 import type {JsOutput} from '../JSTransformer/worker';
 
 type Options<T: number | string> = {

packages/metro/src/lib/getPrependedScripts.js

@@ -15,8 +15,7 @@ const getPreludeCode = require('./getPreludeCode');
 const transformHelpers = require('./transformHelpers');
 
 import type Bundler from '../Bundler';
-import type {Module} from '../DeltaBundler/traverseDependencies';
-import type DeltaBundler from '../DeltaBundler';
+import type DeltaBundler, {Module} from '../DeltaBundler';
 import type {CustomTransformOptions, JsOutput} from '../JSTransformer/worker';
 
 type Options = {

packages/metro/src/lib/transformHelpers.js

@@ -11,8 +11,7 @@
 'use strict';
 
 import type Bundler from '../Bundler';
-import type {TransformFn} from '../DeltaBundler/traverseDependencies';
-import type DeltaBundler from '../DeltaBundler';
+import type DeltaBundler, {TransformFn} from '../DeltaBundler';
 import type {JsOutput, WorkerOptions} from '../JSTransformer/worker';
 import type {BuildGraphOptions} from '../Server';