How to specify local registry in yarn?

node.js nexus yarnpkg
Lynob picture Lynob · Apr 18, 2018 · Viewed 31.6k times · Source

I have a local nexus server, I'd like yarn to look through it before going online, basically prefer-offline

yarn install --prefer-offline --cache-folder C:\folder\yarn-cache --preferred-cache-folder C:\folder\yarn-cache --non-interactive --no-lockfile --registry http://server/repository/npm-group

Yarn fails to find a dependency offline then fails to go online. I don't know if that can be fixed.

Answer

Dawid Sawa picture Dawid Sawa · Apr 23, 2018
  • Create an npm (hosted) repository to use as your private registry. I believe you have already done this.
  • Create an npm (proxy) repository pointing to your external repository of choice (https://registry.yarnpkg.com or https://registry.npmjs.org/).
  • Create an npm (group) with your private registry on first position and the proxy registry on second position.
  • Point yarn to your group repository: yarn config set registry http://nexus.local/repository/npm-group/. If required by your Nexus configuration, authenticate yarn: yarn login.

Also be wary of yarn using any npm config you might have over it's own: https://github.com/yarnpkg/yarn/issues/4862

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