fix: display file name in overlay

[githoniel]

• This is a bugfix
• This is a feature
• This is a code refactor
• This is a test update
• This is a docs update
• This is a metadata update

For Bugs and Features; did you add new tests?

since there is no test for overlayer yet, so I did not add test for it

Motivation / Use-Case

we are not display filename in webpack5 for error now

compare to error ovelay in webpack-dev-server V3

Breaking Changes

no

Additional Info

add filename for error

[linux-foundation-easycla]

The committers are authorized under a signed CLA.

• ✅ Githoniel (b2c7b7b)

[alexander-akait]

Please update tests

[githoniel]

Please update tests

should I add test for it or just fix the lint?

[snitin315]

Please update tests

should I add test for it or just fix the lint?

Both, CI should be all green.

[codecov]

Codecov Report

Merging #3867 (a3d5b61) into master (22fa60b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3867   +/-   ##
=======================================
  Coverage   92.72%   92.72%           
=======================================
  Files          14       14           
  Lines        1334     1334           
  Branches      467      467           
=======================================
  Hits         1237     1237           
  Misses         89       89           
  Partials        8        8           

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[snitin315]

I think we should add a test case for this in https://github.com/webpack/webpack-dev-server/blob/master/test/e2e/overlay.test.js

[alexander-akait]

@snitin315 Yep, I think we can merge it, I will send test cases today, maybe we need more fields here