ng serve ERROR in angular cli 1.7.0-rc.0

[almasmaris]

Versions

Angular CLI: 1.7.0-rc.0
Node: 8.9.4
OS: win32 x64
Angular: 5.2.4
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router, service-worker

@angular/cli: 1.7.0-rc.0
@angular-devkit/build-optimizer: 0.3.1
@angular-devkit/core: 0.3.1
@angular-devkit/schematics: 0.3.1
@ngtools/json-schema: 1.2.0
@ngtools/webpack: 1.10.0-rc.0
@schematics/angular: 0.3.1
@schematics/package-update: 0.3.1
typescript: 2.5.3
webpack: 3.10.0

Repro steps

• ng new angularpwa --serviceworker
• ng serve

Observed behavior

** NG Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
Date: 2018-02-08T11:49:35.211Z
Hash: bb3f8db673f235155f44
Time: 9395ms
chunk {inline} inline.bundle.js (inline) 5.79 kB [entry] [rendered]
chunk {main} main.bundle.js (main) 18.8 kB [initial] [rendered]
chunk {polyfills} polyfills.bundle.js (polyfills) 549 kB [initial] [rendered]
chunk {styles} styles.bundle.js (styles) 41.8 kB [initial] [rendered]
chunk {vendor} vendor.bundle.js (vendor) 7.74 MB [initial] [rendered]

ERROR in Cannot read property 'then' of undefined

webpack: Failed to compile.

Chrome Console

[alan-agius4]

Thanks for reporting this issue. This issue is now obsolete due to changes in the recent releases. Please update to the most recent Angular CLI version.

If the problem persists after upgrading, please open a new issue, provide a simple repository reproducing the problem, and describe the difference between the expected and current behavior.

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