unable to get local issuer certificate error with yarn install from a private npm repository (such as JFrog), you can try running this command: yarn config set “strict-ssl” false yarn install Error message example error An unexpected error occurred: “https://npco.jfrog.io/artifactory/api/npm/npm-mdh/@mdh/my-library/-/@mdh/my-library-3.21.0.tgz: unable to get local issuer certificate”.

When you develop a react library locally, you can use yarn link to link the repo for the react module to the react app. In this way, the react app will use the local version of the module. 1. Go to the module source repo. 1yarn link 2. Go to …