4. Installing dependencies

4. Installing dependencies

If you have just checked out a package from version control, you will need to install those dependencies.

If you are adding dependencies for your project, then those dependencies are automatically installed during that process.

Installing Dependencies

yarn install is used to install all dependencies for a project. The dependencies are retrieved from your project’s package.json file, and stored in the yarn.lock file.

When developing a package, installing dependencies is most commonly done after:

1. You have just checked out code for a project that needs these
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