chore(v2): Implement a simple E2E testing mechanism for docusausus start
#2950
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Motivation
Implement a simple mechanism to E2E test
docusausus start
, so that we can catch no-prod only issues at diff time (avoid things like #2944). It uses thedone
webpack compiler hook to ensure that webpack can compile without errors. In this way, we can completely rule out disasters like #2883.Have you read the Contributing Guidelines on pull requests?
Yes
Test Plan
Run
E2E_TEST yarn start --no-open
on the following scanarios:Related PRs
(If this PR adds or changes functionality, please take some time to update the docs at https://github.com/facebook/docusaurus, and link to your PR here.)