Reject webpack-related issues

[ranyitz]

The Problem

If there is a webpack-related issue, you won't be able to see it, and instead, you'll see the following error:

Which does not help with finding the solution to the problem.

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The err object will not include compilation errors and those must be handled separately using stats.hasErrors() which will be covered in detail in Error Handling section of this guide. The err object will only contain webpack-related issues, such as misconfiguration, etc.

From webpack docs

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The Solution

When there is an error, reject it instead of the stats.

[igor-dv]

Thanks

[codecov]

Codecov Report

Merging #4883 into next will decrease coverage by 0.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##             next    #4883      +/-   ##
==========================================
- Coverage   35.22%   35.21%   -0.02%     
==========================================
  Files         564      564              
  Lines        6929     6931       +2     
  Branches      930      931       +1     
==========================================
  Hits         2441     2441              
- Misses       3995     3996       +1     
- Partials      493      494       +1

Impacted Files	Coverage Δ
lib/core/src/server/build-static.js	0% <0%> (ø)	⬆️

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