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[react-packager] Cache BundlesLayout

This commit is contained in:
Martín Bigio 2015-08-31 07:25:28 -07:00
parent 53fc5624e4
commit 7fed668841
8 changed files with 485 additions and 262 deletions
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12
packager/react-packager/src/Bundler/index.js vendored
View File

@ -13,6 +13,7 @@ const fs = require('fs');
const path = require('path');
const Promise = require('promise');
const ProgressBar = require('progress');
const BundlesLayout = require('../BundlesLayout');
const Cache = require('../Cache');
const Transformer = require('../JSTransformer');
const DependencyResolver = require('../DependencyResolver');
@ -104,6 +105,13 @@ class Bundler {
cache: this._cache,
});
this._bundlesLayout = new BundlesLayout({
dependencyResolver: this._resolver,
resetCache: opts.resetCache,
cacheVersion: opts.cacheVersion,
projectRoots: opts.projectRoots,
});
this._transformer = new Transformer({
projectRoots: opts.projectRoots,
blacklistRE: opts.blacklistRE,
@ -120,6 +128,10 @@ class Bundler {
return this._cache.end();
}
getLayout(main, isDev) {
return this._bundlesLayout.generateLayout(main, isDev);
}
bundle(main, runModule, sourceMapUrl, isDev, platform) {
const bundle = new Bundle(sourceMapUrl);
const findEventId = Activity.startEvent('find dependencies');

479
packager/react-packager/src/BundlesLayout/__tests__/BundlesLayout-test.js vendored
View File

@ -8,249 +8,320 @@
*/
'use strict';
jest
.dontMock('../index');
jest.dontMock('../index');
jest.mock('fs');
const Promise = require('promise');
describe('BundlesLayout', () => {
var BundlesLayout;
var DependencyResolver;
let BundlesLayout;
let DependencyResolver;
let loadCacheSync;
beforeEach(() => {
BundlesLayout = require('../index');
DependencyResolver = require('../../DependencyResolver');
loadCacheSync = require('../../lib/loadCacheSync');
});
describe('generate', () => {
function newBundlesLayout() {
return new BundlesLayout({
dependencyResolver: new DependencyResolver(),
});
}
function newBundlesLayout(options) {
return new BundlesLayout(Object.assign({
projectRoots: ['/root'],
dependencyResolver: new DependencyResolver(),
}, options));
}
describe('layout', () => {
function isPolyfill() {
return false;
}
function dep(path) {
return {
path: path,
isPolyfill: isPolyfill,
};
}
describe('getLayout', () => {
function dep(path) {
return {
path: path,
isPolyfill: isPolyfill,
};
}
pit('should bundle sync dependencies', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js'), dep('/root/a.js')],
asyncDependencies: [],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
pit('should bundle sync dependencies', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js'), dep('/root/a.js')],
asyncDependencies: [],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
});
return newBundlesLayout({resetCache: true})
.getLayout('/root/index.js')
.then(bundles =>
expect(bundles).toEqual({
id: 'bundle.0',
modules: ['/root/index.js', '/root/a.js'],
children: [],
})
);
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
expect(bundles).toEqual({
id: 'bundle.0',
modules: ['/root/index.js', '/root/a.js'],
children: [],
})
);
});
pit('should separate async dependencies into different bundle', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js')],
asyncDependencies: [['/root/a.js']],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
});
pit('should separate async dependencies into different bundle', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js')],
asyncDependencies: [['/root/a.js']],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
expect(bundles).toEqual({
id: 'bundle.0',
modules: ['/root/index.js'],
children: [{
id:'bundle.0.1',
modules: ['/root/a.js'],
children: [],
}],
})
);
});
pit('separate async dependencies of async dependencies', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js')],
asyncDependencies: [['/root/a.js']],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js')],
asyncDependencies: [['/root/b.js']],
});
case '/root/b.js':
return Promise.resolve({
dependencies: [dep('/root/b.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
expect(bundles).toEqual({
id: 'bundle.0',
modules: ['/root/index.js'],
children: [{
id: 'bundle.0.1',
modules: ['/root/a.js'],
return newBundlesLayout({resetCache: true})
.getLayout('/root/index.js')
.then(bundles =>
expect(bundles).toEqual({
id: 'bundle.0',
modules: ['/root/index.js'],
children: [{
id: 'bundle.0.1.2',
id:'bundle.0.1',
modules: ['/root/a.js'],
children: [],
}],
})
);
});
pit('separate async dependencies of async dependencies', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js')],
asyncDependencies: [['/root/a.js']],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js')],
asyncDependencies: [['/root/b.js']],
});
case '/root/b.js':
return Promise.resolve({
dependencies: [dep('/root/b.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
});
return newBundlesLayout({resetCache: true})
.getLayout('/root/index.js')
.then(bundles =>
expect(bundles).toEqual({
id: 'bundle.0',
modules: ['/root/index.js'],
children: [{
id: 'bundle.0.1',
modules: ['/root/a.js'],
children: [{
id: 'bundle.0.1.2',
modules: ['/root/b.js'],
children: [],
}],
}],
})
);
});
pit('separate bundle sync dependencies of async ones on same bundle', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js')],
asyncDependencies: [['/root/a.js']],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js'), dep('/root/b.js')],
asyncDependencies: [],
});
case '/root/b.js':
return Promise.resolve({
dependencies: [dep('/root/b.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
});
return newBundlesLayout({resetCache: true})
.getLayout('/root/index.js')
.then(bundles =>
expect(bundles).toEqual({
id: 'bundle.0',
modules: ['/root/index.js'],
children: [{
id: 'bundle.0.1',
modules: ['/root/a.js', '/root/b.js'],
children: [],
}],
})
);
});
pit('separate cache in which bundle is each dependency', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js'), dep('/root/a.js')],
asyncDependencies: [],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js')],
asyncDependencies: [['/root/b.js']],
});
case '/root/b.js':
return Promise.resolve({
dependencies: [dep('/root/b.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
});
return newBundlesLayout({resetCache: true})
.getLayout('/root/index.js')
.then(bundles =>
expect(bundles).toEqual({
id: 'bundle.0',
modules: ['/root/index.js', '/root/a.js'],
children: [{
id: 'bundle.0.1',
modules: ['/root/b.js'],
children: [],
}],
}],
})
);
});
pit('separate bundle sync dependencies of async ones on same bundle', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js')],
asyncDependencies: [['/root/a.js']],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js'), dep('/root/b.js')],
asyncDependencies: [],
});
case '/root/b.js':
return Promise.resolve({
dependencies: [dep('/root/b.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
})
);
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
expect(bundles).toEqual({
pit('separate cache in which bundle is each dependency', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js'), dep('/root/a.js')],
asyncDependencies: [['/root/b.js'], ['/root/c.js']],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js')],
asyncDependencies: [],
});
case '/root/b.js':
return Promise.resolve({
dependencies: [dep('/root/b.js')],
asyncDependencies: [['/root/d.js']],
});
case '/root/c.js':
return Promise.resolve({
dependencies: [dep('/root/c.js')],
asyncDependencies: [],
});
case '/root/d.js':
return Promise.resolve({
dependencies: [dep('/root/d.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
});
var layout = newBundlesLayout({resetCache: true});
return layout.getLayout('/root/index.js').then(() => {
expect(layout.getBundleIDForModule('/root/index.js')).toBe('bundle.0');
expect(layout.getBundleIDForModule('/root/a.js')).toBe('bundle.0');
expect(layout.getBundleIDForModule('/root/b.js')).toBe('bundle.0.1');
expect(layout.getBundleIDForModule('/root/c.js')).toBe('bundle.0.2');
expect(layout.getBundleIDForModule('/root/d.js')).toBe('bundle.0.1.3');
});
});
});
});
describe('cache', () => {
beforeEach(() => {
loadCacheSync.mockReturnValue({
'/root/index.js': {
id: 'bundle.0',
modules: ['/root/index.js'],
children: [{
id: 'bundle.0.1',
modules: ['/root/a.js', '/root/b.js'],
modules: ['/root/a.js'],
children: [],
}],
})
);
},
'/root/b.js': {
id: 'bundle.2',
modules: ['/root/b.js'],
children: [],
},
});
});
pit('separate cache in which bundle is each dependency', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js'), dep('/root/a.js')],
asyncDependencies: [],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js')],
asyncDependencies: [['/root/b.js']],
});
case '/root/b.js':
return Promise.resolve({
dependencies: [dep('/root/b.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
});
pit('should load layouts', () => {
const layout = newBundlesLayout({ resetCache: false });
return newBundlesLayout().generateLayout(['/root/index.js']).then(
bundles => expect(bundles).toEqual({
id: 'bundle.0',
modules: ['/root/index.js', '/root/a.js'],
children: [{
id: 'bundle.0.1',
return Promise
.all([
layout.getLayout('/root/index.js'),
layout.getLayout('/root/b.js'),
])
.then(([layoutIndex, layoutB]) => {
expect(layoutIndex).toEqual({
id: 'bundle.0',
modules: ['/root/index.js'],
children: [{
id: 'bundle.0.1',
modules: ['/root/a.js'],
children: [],
}],
});
expect(layoutB).toEqual({
id: 'bundle.2',
modules: ['/root/b.js'],
children: [],
}],
})
);
});
});
});
pit('separate cache in which bundle is each dependency', () => {
DependencyResolver.prototype.getDependencies.mockImpl((path) => {
switch (path) {
case '/root/index.js':
return Promise.resolve({
dependencies: [dep('/root/index.js'), dep('/root/a.js')],
asyncDependencies: [['/root/b.js'], ['/root/c.js']],
});
case '/root/a.js':
return Promise.resolve({
dependencies: [dep('/root/a.js')],
asyncDependencies: [],
});
case '/root/b.js':
return Promise.resolve({
dependencies: [dep('/root/b.js')],
asyncDependencies: [['/root/d.js']],
});
case '/root/c.js':
return Promise.resolve({
dependencies: [dep('/root/c.js')],
asyncDependencies: [],
});
case '/root/d.js':
return Promise.resolve({
dependencies: [dep('/root/d.js')],
asyncDependencies: [],
});
default:
throw 'Undefined path: ' + path;
}
});
it('should load moduleToBundle map', () => {
const layout = newBundlesLayout({ resetCache: false });
var layout = newBundlesLayout();
return layout.generateLayout(['/root/index.js']).then(() => {
expect(layout.getBundleIDForModule('/root/index.js')).toBe('bundle.0');
expect(layout.getBundleIDForModule('/root/a.js')).toBe('bundle.0');
expect(layout.getBundleIDForModule('/root/b.js')).toBe('bundle.0.1');
expect(layout.getBundleIDForModule('/root/c.js')).toBe('bundle.0.2');
expect(layout.getBundleIDForModule('/root/d.js')).toBe('bundle.0.1.3');
});
expect(layout.getBundleIDForModule('/root/index.js')).toBe('bundle.0');
expect(layout.getBundleIDForModule('/root/a.js')).toBe('bundle.0.1');
expect(layout.getBundleIDForModule('/root/b.js')).toBe('bundle.2');
});
});
});

34
packager/react-packager/src/BundlesLayout/__tests__/BundlesLayoutIntegration-test.js vendored
View File

@ -75,7 +75,11 @@ describe('BundlesLayout', () => {
assetRoots: ['/root'],
});
return new BundlesLayout({dependencyResolver: resolver});
return new BundlesLayout({
dependencyResolver: resolver,
resetCache: true,
projectRoots: ['/root', '/' + __dirname.split('/')[1]],
});
}
function stripPolyfills(bundle) {
@ -114,7 +118,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -140,7 +144,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -166,7 +170,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -201,7 +205,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -242,7 +246,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -282,7 +286,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -323,7 +327,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -370,7 +374,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -408,7 +412,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -446,7 +450,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -480,7 +484,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -512,7 +516,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -539,7 +543,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',
@ -576,7 +580,7 @@ describe('BundlesLayout', () => {
}
});
return newBundlesLayout().generateLayout(['/root/index.js']).then(bundles =>
return newBundlesLayout().getLayout('/root/index.js').then(bundles =>
stripPolyfills(bundles).then(resolvedBundles =>
expect(resolvedBundles).toEqual({
id: 'bundle.0',

106
packager/react-packager/src/BundlesLayout/index.js vendored
View File

@ -8,14 +8,33 @@
*/
'use strict';
const Activity = require('../Activity');
const _ = require('underscore');
const declareOpts = require('../lib/declareOpts');
const fs = require('fs');
const getCacheFilePath = require('../lib/getCacheFilePath');
const loadCacheSync = require('../lib/loadCacheSync');
const version = require('../../../../package.json').version;
const path = require('path');
const validateOpts = declareOpts({
dependencyResolver: {
type: 'object',
required: true,
},
resetCache: {
type: 'boolean',
default: false,
},
cacheVersion: {
type: 'string',
default: '1.0',
},
projectRoots: {
type: 'array',
required: true,
},
});
const BUNDLE_PREFIX = 'bundle';
@ -29,19 +48,37 @@ class BundlesLayout {
const opts = validateOpts(options);
this._resolver = opts.dependencyResolver;
// Cache in which bundle is each module.
this._moduleToBundle = Object.create(null);
// Cache the bundles layouts for each entry point. This entries
// are not evicted unless the user explicitly specifies so as
// computing them is pretty expensive
this._layouts = Object.create(null);
// TODO: watch for file creations and removals to update this caches
this._cacheFilePath = this._getCacheFilePath(opts);
if (!opts.resetCache) {
this._loadCacheSync(this._cacheFilePath);
} else {
this._persistCacheEventually();
}
}
generateLayout(entryPaths, isDev) {
getLayout(entryPath, isDev) {
if (this._layouts[entryPath]) {
return this._layouts[entryPath];
}
var currentBundleID = 0;
const rootBundle = {
id: BUNDLE_PREFIX + '.' + currentBundleID++,
modules: [],
children: [],
};
var pending = [{paths: entryPaths, bundle: rootBundle}];
var pending = [{paths: [entryPath], bundle: rootBundle}];
return promiseWhile(
this._layouts[entryPath] = promiseWhile(
() => pending.length > 0,
() => rootBundle,
() => {
@ -62,6 +99,9 @@ class BundlesLayout {
if (dependencies.length > 0) {
bundle.modules = dependencies;
}
// persist changes to layouts
this._persistCacheEventually();
},
index => {
const pendingSyncDep = pendingSyncDeps.shift();
@ -90,11 +130,71 @@ class BundlesLayout {
);
},
);
return this._layouts[entryPath];
}
getBundleIDForModule(path) {
return this._moduleToBundle[path];
}
_loadCacheSync(cachePath) {
const loadCacheId = Activity.startEvent('Loading bundles layout');
const cacheOnDisk = loadCacheSync(cachePath);
// TODO: create single-module bundles for unexistent modules
// TODO: remove modules that no longer exist
Object.keys(cacheOnDisk).forEach(entryPath => {
this._layouts[entryPath] = Promise.resolve(cacheOnDisk[entryPath]);
this._fillModuleToBundleMap(cacheOnDisk[entryPath]);
});
Activity.endEvent(loadCacheId);
}
_fillModuleToBundleMap(bundle) {
bundle.modules.forEach(module => this._moduleToBundle[module] = bundle.id);
bundle.children.forEach(child => this._fillModuleToBundleMap(child));
}
_persistCacheEventually() {
_.debounce(
this._persistCache.bind(this),
2000,
);
}
_persistCache() {
if (this._persisting !== null) {
return this._persisting;
}
this._persisting = Promise
.all(_.values(this._layouts))
.then(bundlesLayout => {
var json = Object.create(null);
Object.keys(this._layouts).forEach((p, i) =>
json[p] = bundlesLayout[i]
);
return Promise.denodeify(fs.writeFile)(
this._cacheFilepath,
JSON.stringify(json),
);
})
.then(() => this._persisting = null);
return this._persisting;
}
_getCacheFilePath(options) {
return getCacheFilePath(
'react-packager-bundles-cache-',
version,
options.projectRoots.join(',').split(path.sep).join('-'),
options.cacheVersion || '0',
);
}
}
// Runs the body Promise meanwhile the condition callback is satisfied.

4
packager/react-packager/src/Cache/__tests__/Cache-test.js vendored
View File

@ -11,7 +11,9 @@
jest
.dontMock('underscore')
.dontMock('absolute-path')
.dontMock('../');
.dontMock('../')
.dontMock('../../lib/loadCacheSync')
.dontMock('../../lib/getCacheFilePath');
jest
.mock('os')

57
packager/react-packager/src/Cache/index.js vendored
View File

@ -8,17 +8,17 @@
*/
'use strict';
var _ = require('underscore');
var crypto = require('crypto');
var declareOpts = require('../lib/declareOpts');
var fs = require('fs');
var isAbsolutePath = require('absolute-path');
var path = require('path');
var Promise = require('promise');
var tmpdir = require('os').tmpDir();
var version = require('../../../../package.json').version;
const Promise = require('promise');
const _ = require('underscore');
const declareOpts = require('../lib/declareOpts');
const fs = require('fs');
const getCacheFilePath = require('../lib/getCacheFilePath');
const isAbsolutePath = require('absolute-path');
const loadCacheSync = require('../lib/loadCacheSync');
const path = require('path');
const version = require('../../../../package.json').version;
var validateOpts = declareOpts({
const validateOpts = declareOpts({
resetCache: {
type: 'boolean',
default: false,
@ -164,21 +164,7 @@ class Cache {
_loadCacheSync(cachePath) {
var ret = Object.create(null);
if (!fs.existsSync(cachePath)) {
return ret;
}
var cacheOnDisk;
try {
cacheOnDisk = JSON.parse(fs.readFileSync(cachePath));
} catch (e) {
if (e instanceof SyntaxError) {
console.warn('Unable to parse cache file. Will clear and continue.');
fs.unlinkSync(cachePath);
return ret;
}
throw e;
}
var cacheOnDisk = loadCacheSync(cachePath);
// Filter outdated cache and convert to promises.
Object.keys(cacheOnDisk).forEach(key => {
@ -203,20 +189,13 @@ class Cache {
}
_getCacheFilePath(options) {
var hash = crypto.createHash('md5');
hash.update(version);
var roots = options.projectRoots.join(',').split(path.sep).join('-');
hash.update(roots);
var cacheVersion = options.cacheVersion || '0';
hash.update(cacheVersion);
hash.update(options.transformModulePath);
var name = 'react-packager-cache-' + hash.digest('hex');
return path.join(tmpdir, name);
return getCacheFilePath(
'react-packager-cache-',
version,
options.projectRoots.join(',').split(path.sep).join('-'),
options.cacheVersion || '0',
options.transformModulePath,
);
}
}

25
packager/react-packager/src/lib/getCacheFilePath.js vendored Normal file
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@ -0,0 +1,25 @@
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
const crypto = require('crypto');
const path = require('path');
const tmpdir = require('os').tmpDir();
function getCacheFilePath(args) {
args = Array.prototype.slice.call(args);
const prefix = args.shift();
let hash = crypto.createHash('md5');
args.forEach(arg => hash.update(arg));
return path.join(tmpdir, prefix + hash.digest('hex'));
}
module.exports = getCacheFilePath;

30
packager/react-packager/src/lib/loadCacheSync.js vendored Normal file
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@ -0,0 +1,30 @@
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
const fs = require('fs');
function loadCacheSync(cachePath) {
if (!fs.existsSync(cachePath)) {
return Object.create(null);
}
try {
return JSON.parse(fs.readFileSync(cachePath));
} catch (e) {
if (e instanceof SyntaxError) {
console.warn('Unable to parse cache file. Will clear and continue.');
fs.unlinkSync(cachePath);
return Object.create(null);
}
throw e;
}
}
module.exports = loadCacheSync;