loaderContext.importModule() returns {} for asset/resource instead of its URL #22863

Have you used AI?

Yes

Which part of webpack is affected?

loaders

Bug Description

A custom loader calls this.importModule() with a request explicitly typed as asset/resource. With webpack 5.112.0, the resource file is emitted, but the call resolves to an empty object ({}) instead of its URL string.

Link to Minimal Reproduction and steps to reproduce

https://github.com/malash/webpack-issue-22863

Switch between bad-case and good-case branches to reproduce the issue.

Expected Behavior

Return resource's URL

Actual Behavior

Return an empty object {}

Environment

Webpack 5.112.0

Is this a regression?

Yes (please specify version below)

Last Working Version

v5.95.0

Additional Context

Commits that might be related to this bug:

485f3d6
737c16c