gitlab-org--gitlab-foss/spec/frontend/helpers/dom_shims
..
README.md
get_client_rects.js
get_client_rects_spec.js
index.js

README.md

Jest DOM shims

This is where we shim parts of JSDom. It is imported in our root test_setup.js.

Why do we need this?

Since JSDom mocks a real DOM environment (which is a good thing), it unfortunately does not support some jQuery matchers.

References