Update Webpack to v4.

index.js

@@ -13,7 +13,7 @@ const os = require('os')
 
 const promisify = require('./promisify')
 
-const WEBPACK_EMPTY_PROJECT = 291
+const WEBPACK_EMPTY_PROJECT = 310
 
 const STATIC =
   /\.(eot|woff2?|ttf|otf|svg|png|jpe?g|gif|webp|mp4|mp3|ogg|pdf|html|ico)$/

package.json

@@ -18,7 +18,7 @@
     "bytes": "^3.0.0",
     "chalk": "^2.3.1",
     "ci-job-number": "^0.3.0",
-    "compression-webpack-plugin": "^1.1.7",
+    "compression-webpack-plugin": "^1.1.8",
     "cosmiconfig": "^4.0.0",
     "css-loader": "^0.28.10",
     "escape-string-regexp": "^1.0.5",
@@ -28,9 +28,9 @@
     "memory-fs": "^0.4.1",
     "read-pkg-up": "^3.0.0",
     "style-loader": "^0.20.2",
-    "uglifyjs-webpack-plugin": "^1.2.0",
-    "webpack": "^3.11.0",
-    "webpack-bundle-analyzer": "^2.10.0",
+    "uglifyjs-webpack-plugin": "^1.2.1",
+    "webpack": "^4.0.0-beta.2",
+    "webpack-bundle-analyzer": "^2.10.1",
     "yargs": "^11.0.0"
   },
   "devDependencies": {

test/cli.test.js

@@ -184,21 +184,21 @@ it('supports glob patterns', () => {
 
 it('supports ES2016', () => {
   return run([], { cwd: fixture('es2016') }).then(result => {
-    expect(result.out).toContain('33 B\n')
+    expect(result.out).toContain('34 B\n')
     expect(result.code).toEqual(0)
   })
 })
 
 it('supports multiple files', () => {
   return run([], { cwd: fixture('multiple') }).then(result => {
-    expect(result.out).toContain('24 B\n')
+    expect(result.out).toContain('25 B\n')
     expect(result.code).toEqual(0)
   })
 })
 
 it('checks limits', () => {
   return run([], { cwd: fixture('bad') }).then(result => {
-    expect(result.out).toContain('exceeded by 367 B')
+    expect(result.out).toContain('exceeded by 204 B')
     expect(result.code).toEqual(3)
   })
 })
@@ -246,7 +246,7 @@ it('returns size', () => {
 
 it('uses different units', () => {
   return run(['test/fixtures/bad/index.js']).then(result => {
-    expect(result.out).toContain('2.36 KB\n')
+    expect(result.out).toContain('2.2 KB\n')
     expect(result.code).toEqual(0)
   })
 })
@@ -261,7 +261,7 @@ it('supports absolute path', () => {
 
 it('ignores peerDependencies', () => {
   return run([], { cwd: fixture('peer') }).then(result => {
-    expect(result.out).toContain('93 B\n')
+    expect(result.out).toContain('97 B\n')
     expect(result.code).toEqual(0)
   })
 })
@@ -282,14 +282,14 @@ it('disables webpack by option', () => {
 
 it('disables gzip by argument', () => {
   return run(['--no-gzip', 'test/fixtures/bad/index.js']).then(result => {
-    expect(result.out).toContain('7.36 KB\n')
+    expect(result.out).toContain('6.52 KB\n')
     expect(result.code).toEqual(0)
   })
 })
 
 it('disables gzip by option', () => {
   return run([], { cwd: fixture('gzip') }).then(result => {
-    expect(result.out).toContain('249 B\n')
+    expect(result.out).toContain('296 B\n')
     expect(result.code).toEqual(0)
   })
 })
@@ -303,7 +303,7 @@ it('throws on --why with disabled webpack', () => {
 
 it('uses custom webpack', () => {
   return run([], { cwd: fixture('webpack-config') }).then(result => {
-    expect(result.out).toContain('Package size: 2.2 KB')
+    expect(result.out).toContain('Package size: 2.55 KB')
     expect(result.code).toEqual(0)
   })
 })
@@ -313,7 +313,7 @@ it('uses custom webpack when specified via --config', () => {
     '--config', fixture('webpack-config/webpack.config.js'),
     fixture('webpack-config/index.js')
   ]).then(result => {
-    expect(result.out).toContain('Package size: 2.2 KB')
+    expect(result.out).toContain('Package size: 2.72 KB')
     expect(result.code).toEqual(0)
   })
 })

test/fixtures/webpack-config/webpack.config.js

@@ -6,5 +6,6 @@ module.exports = {
   entry: path.join(__dirname, 'index.js'),
   output: {
     filename: 'out.js'
-  }
+  },
+  mode: 'development'
 }

test/index.test.js

@@ -20,13 +20,13 @@ it('returns 0 for empty project', () => {
 
 it('shows project size', () => {
   return getSize(fixture('bad/index')).then(size => {
-    expect(size).toEqual(2415)
+    expect(size).toEqual(2252)
   })
 })
 
 it('accepts array', () => {
   return getSize([fixture('bad/index'), fixture('good/index')]).then(size => {
-    expect(size).toEqual(2432)
+    expect(size).toEqual(2267)
   })
 })
 
@@ -38,25 +38,25 @@ it('returns error', () => {
 
 it('supports ES2016', () => {
   return getSize(fixture('es2016/index')).then(size => {
-    expect(size).toEqual(33)
+    expect(size).toEqual(34)
   })
 })
 
 it('support images', () => {
   return getSize(fixture('img/index')).then(size => {
-    expect(size).toEqual(52)
+    expect(size).toEqual(53)
   })
 })
 
 it('supports CSS', () => {
   return getSize(fixture('css/index')).then(size => {
-    expect(trim(size)).toEqual(2340)
+    expect(trim(size)).toEqual(2320)
   })
 })
 
 it('supports CSS modules', () => {
   return getSize(fixture('cssmodules/index')).then(size => {
-    expect(trim(size)).toEqual(2370)
+    expect(trim(size)).toEqual(2360)
   })
 })
 
@@ -68,7 +68,7 @@ it('removes non-production code', () => {
 
 it('ignores dependencies on request', () => {
   return getSize(fixture('peer/index'), { ignore: ['redux'] }).then(size => {
-    expect(size).toEqual(93)
+    expect(size).toEqual(97)
   })
 })
 
@@ -82,7 +82,7 @@ it('disables webpack on request', () => {
 
 it('disables gzip on request', () => {
   return getSize([fixture('bad/index')], { gzip: false }).then(size => {
-    expect(size).toEqual(7541)
+    expect(size).toEqual(6674)
   })
 })
 
@@ -98,6 +98,6 @@ it('uses custom webpack config', () => {
   return getSize(fixture('webpack-config/index'), {
     config: fixture('webpack-config/webpack.config')
   }).then(size => {
-    expect(size).toEqual(2254)
+    expect(size).toEqual(2790)
   })
 })