npm run build chrome - WebpackOptionsValidationError:

[vlagorce]

After running successfully

yo web-extension

I got the folowing error when running

npm run build chrome

wallext@0.0.1 build /home/XXX/XXX/chrome/wallext
 webextension-toolbox build "chrome"

/home/XXX/XXX/chrome/wallext/node_modules/webpack/lib/webpack.js:19
		throw new WebpackOptionsValidationError(webpackOptionsValidationErrors);
		^

WebpackOptionsValidationError: Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema.
 - configuration.entry should be one of these:
   object { <key>: non-empty string | [non-empty string] } | non-empty string | [non-empty string] | function
   -> The entry point(s) of the compilation.
   Details:
    * configuration.entry should not be empty.
      -> Multiple entry bundles are created. The key is the chunk name. The value can be a string or an array.
    * configuration.entry should be a string.
      -> An entry point without name. The string is resolved to a module which is loaded upon startup.
    * configuration.entry should be an array:
      [non-empty string]
    * configuration.entry should be an instance of function
      -> A Function returning an entry object, an entry string, an entry array or a promise to these things.
    at webpack (/home/XXX/XXX/chrome/wallext/node_modules/webpack/lib/webpack.js:19:9)
    at compile (/home/XXX/XXX/chrome/wallext/node_modules/webextension-toolbox/src/index.js:188:10)
    at Command.build (/home/XXX/XXX/chrome/wallext/node_modules/webextension-toolbox/bin/webextension-toolbox:43:5)
    at Command.listener (/home/XXX/XXX/chrome/wallext/node_modules/commander/index.js:315:8)
    at emitTwo (events.js:126:13)
    at Command.emit (events.js:214:7)
    at Command.parseArgs (/home/XXX/XXX/chrome/wallext/node_modules/commander/index.js:653:12)
    at Command.parse (/home/XXX/XXX/chrome/wallext/node_modules/commander/index.js:475:21)
    at Object.<anonymous> (/home/XXX/XXX/chrome/wallext/node_modules/webextension-toolbox/bin/webextension-toolbox:54:9)
    at Module._compile (module.js:643:30)
    at Object.Module._extensions..js (module.js:654:10)
    at Module.load (module.js:556:32)
    at tryModuleLoad (module.js:499:12)
    at Function.Module._load (module.js:491:3)
    at Function.Module.runMain (module.js:684:10)
    at startup (bootstrap_node.js:187:16)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! wallext@0.0.1 build: `webextension-toolbox build "chrome"`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the wallext@0.0.1 build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/XXX/.npm/_logs/2018-01-11T11_43_41_207Z-debug.log

[HaNdTriX]

Thanks a lot for reporting this!

We fixed this issue in the latest version (v0.0.8) of https://github.com/HaNdTriX/webextension-toolbox.
Just run npm update webextension-toolbox and the issue should be gone.