webpack: Failed to compile with two warinings and one error

[liyangda]

hi eddyerburgh. @eddyerburgh
I have pull code and intergrate to my project . After

 npm install
 npm run test

There are two warnings and one error . and

webpack: Failed to compile.

log as follow:

WARNING in ./node_modules/_vue-server-renderer@2.5.16@vue-server-renderer/build.js
8330:15-8333:9 Critical dependency: the request of a dependency is an expression
@ ./node_modules/_vue-server-renderer@2.5.16@vue-server-renderer/build.js
@ ./node_modules/_vue-server-renderer@2.5.16@vue-server-renderer/index.js
@ ./node_modules/@vue/test-utils/dist/vue-test-utils.js
@ ./test/Counter.spec.js

WARNING in ./node_modules/_vue-server-renderer@2.5.16@vue-server-renderer/build.js
8335:15-28 Critical dependency: the request of a dependency is an expression
@ ./node_modules/_vue-server-renderer@2.5.16@vue-server-renderer/build.js
@ ./node_modules/_vue-server-renderer@2.5.16@vue-server-renderer/index.js
@ ./node_modules/@vue/test-utils/dist/vue-test-utils.js
@ ./test/Counter.spec.js

ERROR in ./node_modules/_vue-server-renderer@2.5.16@vue-server-renderer/build.js
Module not found: Error: Can't resolve 'module' in 'E:\vue\vue-test-utils-karma-example\node_modules_vue-server-renderer@2.5.16@vue-server-renderer'
@ ./node_modules/_vue-server-renderer@2.5.16@vue-server-renderer/build.js 8276:19-36
@ ./node_modules/_vue-server-renderer@2.5.16@vue-server-renderer/index.js
@ ./node_modules/@vue/test-utils/dist/vue-test-utils.js
@ ./test/Counter.spec.js

Although webpack failed to compile, Karma still work.

22 03 2018 19:48:16.897:INFO [karma]: Front-end scripts not present. Compiling...
22 03 2018 19:48:20.331:INFO [karma]: Karma v2.0.0 server started at http://0.0.0.0:9876/
22 03 2018 19:48:20.332:INFO [launcher]: Launching browser Chrome with unlimited concurrency
22 03 2018 19:48:20.344:INFO [launcher]: Starting browser Chrome
22 03 2018 19:48:23.181:INFO [Chrome 64.0.3282 (Windows 7.0.0)]: Connected on socket YtU4azNnotfeG8rTAAAA with id 90404201

Counter.vue
√ increments count when button is clicked

Chrome 64.0.3282 (Windows 7.0.0): Executed 1 of 1 SUCCESS (0.109 secs / 0.018 secs)
TOTAL: 1 SUCCESS

Coverage summary
Statements : 100% ( 2/2 )
Branches : 100% ( 0/0 )
Functions : 100% ( 0/0 )
Lines : 100% ( 2/2 )

so why webpack fail to compile and how to solve it? Thanks!

[eddyerburgh]

This is related to this issue—vuejs/vue-test-utils#440

The fix will be in the next vue-test-utils release.

[liyangda]

Thanks! @eddyerburgh