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Fix support for haste packages 

Summary: Fixes support for haste packages in `ModuleGraph`. As `HasteMap` is no longer used for anything else, we can probably strip it down completely.

Reviewed By: cpojer

Differential Revision: D4967367

fbshipit-source-id: d40cbe46c1e8b05690c0a2c71955479c28607c01
This commit is contained in:
David Aurelio 2017-04-28 16:53:10 -07:00 committed by Facebook Github Bot
parent 054b5aa4ce
commit ee0fc30814
2 changed files with 20 additions and 10 deletions
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4
packages/metro-bundler/src/ModuleGraph/node-haste/node-haste.js
View File

@ -51,8 +51,8 @@ function getFakeModuleMap(hasteMap: HasteMap) {
return module && module.type === 'Module' ? module.path : null;
},
getPackage(name: string, platform: ?string): ?string {
const module = hasteMap.getModule(name, platform);
return module && module.type === 'Package' ? module.path : null;
const pkg = hasteMap.getPackage(name);
return pkg && pkg.path;
},
};
}

26
packages/metro-bundler/src/node-haste/DependencyGraph/HasteMap.js
View File

@ -41,6 +41,7 @@ class HasteMap extends EventEmitter {
build() {
this._map = Object.create(null);
this._packages = Object.create(null);
const promises = [];
this._files.forEach(filePath => {
if (!this._helpers.isNodeModulesDir(filePath)) {
@ -116,6 +117,10 @@ class HasteMap extends EventEmitter {
return module;
}
getPackage(name): Package {
return this._packages[name];
}
_processHasteModule(file, previousName) {
const module = this._moduleCache.getModule(file);
return module.isHaste().then(
@ -151,13 +156,20 @@ class HasteMap extends EventEmitter {
}
_updateHasteMap(name, mod) {
if (this._map[name] == null) {
this._map[name] = Object.create(null);
}
let existingModule;
const moduleMap = this._map[name];
const modulePlatform = getPlatformExtension(mod.path, this._platforms) || GENERIC_PLATFORM;
const existingModule = moduleMap[modulePlatform];
if (mod.type === 'Package') {
existingModule = this._packages[name];
this._packages[name] = mod;
} else {
if (this._map[name] == null) {
this._map[name] = Object.create(null);
}
const moduleMap = this._map[name];
const modulePlatform = getPlatformExtension(mod.path, this._platforms) || GENERIC_PLATFORM;
existingModule = moduleMap[modulePlatform];
moduleMap[modulePlatform] = mod;
}
if (existingModule && existingModule.path !== mod.path) {
throw new Error(
@ -168,8 +180,6 @@ class HasteMap extends EventEmitter {
'with the same name across two different files.'
);
}
moduleMap[modulePlatform] = mod;
}
}