@@ -58,7 +58,7 @@ which could arise (especially with testing against browser specific features).
### Differences to Karma
- Jest runs in a Node.js environment, not in a browser. Support for running Jest tests in a browser [is planned](https://gitlab.com/gitlab-org/gitlab-foss/issues/58205).
- Jest runs in a Node.js environment, not in a browser. Support for running Jest tests in a browser [is planned](https://gitlab.com/gitlab-org/gitlab/-/issues/26982).
- Because Jest runs in a Node.js environment, it uses [jsdom](https://github.com/jsdom/jsdom) by default. See also its [limitations](#limitations-of-jsdom) below.
- Jest does not have access to Webpack loaders or aliases.
The aliases used by Jest are defined in its [own config](https://gitlab.com/gitlab-org/gitlab/blob/master/jest.config.js).
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@@ -81,7 +81,7 @@ This comes with a number of limitations, namely:
-[No element sizes or positions](https://github.com/jsdom/jsdom/blob/15.1.1/lib/jsdom/living/nodes/Element-impl.js#L334-L371)
-[No layout engine](https://github.com/jsdom/jsdom/issues/1322) in general
See also the issue for [support running Jest tests in browsers](https://gitlab.com/gitlab-org/gitlab-foss/issues/58205).
See also the issue for [support running Jest tests in browsers](https://gitlab.com/gitlab-org/gitlab/-/issues/26982).
