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packager: DependencyGraph: @Format

Reviewed By: davidaurelio

Differential Revision: D5103697

fbshipit-source-id: 43e2adc9bfd5902a95ad85333da1df323bddf755
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jeanlauliac authored and facebook-github-bot committed May 22, 2017
1 parent 9aeed39 commit 0040b0246965c3d6a14106ffba7ec7a83d5c8388
Showing with 44 additions and 34 deletions.
  1. +44 −34 packager/src/node-haste/DependencyGraph.js
@@ -7,6 +7,7 @@
* of patent rights can be found in the PATENTS file in the same directory.
*
* @flow
* @format
*/
'use strict';
@@ -34,15 +35,14 @@ const {
} = require('../Logger');
const {EventEmitter} = require('events');
import type {Options as JSTransformerOptions} from '../JSTransformer/worker/worker';
import type {
Options as JSTransformerOptions,
} from '../JSTransformer/worker/worker';
import type {GlobalTransformCache} from '../lib/GlobalTransformCache';
import type {GetTransformCacheKey} from '../lib/TransformCache';
import type {Reporter} from '../lib/reporting';
import type {ModuleMap} from './DependencyGraph/ResolutionRequest';
import type {
Options as ModuleOptions,
TransformCode,
} from './Module';
import type {Options as ModuleOptions, TransformCode} from './Module';
import type {HasteFS} from './types';
type Options = {|
@@ -70,15 +70,14 @@ type Options = {|
const JEST_HASTE_MAP_CACHE_BREAKER = 1;
class DependencyGraph extends EventEmitter {
_assetResolutionCache: AssetResolutionCache;
_opts: Options;
_filesByDirNameIndex: FilesByDirNameIndex;
_haste: JestHasteMap;
_hasteFS: HasteFS;
_helpers: DependencyGraphHelpers;
_moduleCache: ModuleCache;
_hasteFS: HasteFS;
_moduleMap: ModuleMap;
_opts: Options;
constructor(config: {|
+opts: Options,
@@ -87,9 +86,14 @@ class DependencyGraph extends EventEmitter {
+initialModuleMap: ModuleMap,
|}) {
super();
invariant(config.opts.maxWorkerCount >= 1, 'worker count must be greater or equal to 1');
invariant(
config.opts.maxWorkerCount >= 1,
'worker count must be greater or equal to 1',
);
this._opts = config.opts;
this._filesByDirNameIndex = new FilesByDirNameIndex(config.initialHasteFS.getAllFiles());
this._filesByDirNameIndex = new FilesByDirNameIndex(
config.initialHasteFS.getAllFiles(),
);
this._assetResolutionCache = new AssetResolutionCache({
assetExtensions: new Set(config.opts.assetExts),
getDirFiles: dirPath => this._filesByDirNameIndex.getAllFiles(dirPath),
@@ -122,18 +126,19 @@ class DependencyGraph extends EventEmitter {
}
static async load(opts: Options): Promise<DependencyGraph> {
const initializingPackagerLogEntry =
log(createActionStartEntry('Initializing Packager'));
const initializingPackagerLogEntry = log(
createActionStartEntry('Initializing Packager'),
);
opts.reporter.update({type: 'dep_graph_loading'});
const haste = DependencyGraph._createHaste(opts);
const {hasteFS, moduleMap} = await haste.build();
log(createActionEndEntry(initializingPackagerLogEntry));
opts.reporter.update({type: 'dep_graph_loaded'});
return new DependencyGraph({
opts,
haste,
initialHasteFS: hasteFS,
initialModuleMap: moduleMap,
opts,
});
}
@@ -157,24 +162,27 @@ class DependencyGraph extends EventEmitter {
this._assetResolutionCache.clear();
this._moduleMap = moduleMap;
eventsQueue.forEach(({type, filePath}) =>
this._moduleCache.processFileChange(type, filePath)
this._moduleCache.processFileChange(type, filePath),
);
this.emit('change');
}
_createModuleCache() {
const {_opts} = this;
return new ModuleCache({
assetDependencies: _opts.assetDependencies,
depGraphHelpers: this._helpers,
getClosestPackage: this._getClosestPackage.bind(this),
getTransformCacheKey: _opts.getTransformCacheKey,
globalTransformCache: _opts.globalTransformCache,
moduleOptions: _opts.moduleOptions,
reporter: _opts.reporter,
roots: _opts.roots,
transformCode: _opts.transformCode,
}, _opts.platforms);
return new ModuleCache(
{
assetDependencies: _opts.assetDependencies,
depGraphHelpers: this._helpers,
getClosestPackage: this._getClosestPackage.bind(this),
getTransformCacheKey: _opts.getTransformCacheKey,
globalTransformCache: _opts.globalTransformCache,
moduleOptions: _opts.moduleOptions,
reporter: _opts.reporter,
roots: _opts.roots,
transformCode: _opts.transformCode,
},
_opts.platforms,
);
}
/**
@@ -243,12 +251,14 @@ class DependencyGraph extends EventEmitter {
const response = new ResolutionResponse(options);
return req.getOrderedDependencies({
response,
transformOptions: options.transformer,
onProgress,
recursive,
}).then(() => response);
return req
.getOrderedDependencies({
response,
transformOptions: options.transformer,
onProgress,
recursive,
})
.then(() => response);
}
matchFilesByPattern(pattern: RegExp) {
@@ -257,7 +267,8 @@ class DependencyGraph extends EventEmitter {
_getRequestPlatform(entryPath: string, platform: ?string): ?string {
if (platform == null) {
platform = parsePlatformFilePath(entryPath, this._opts.platforms).platform;
platform = parsePlatformFilePath(entryPath, this._opts.platforms)
.platform;
} else if (!this._opts.platforms.has(platform)) {
throw new Error('Unrecognized platform: ' + platform);
}
@@ -280,14 +291,13 @@ class DependencyGraph extends EventEmitter {
throw new NotFoundError(
'Cannot find entry file %s in any of the roots: %j',
filePath,
this._opts.roots
this._opts.roots,
);
}
createPolyfill(options: {file: string}) {
return this._moduleCache.createPolyfill(options);
}
}
function NotFoundError(...args) {

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