debian-mirror-gitlab/doc/development/new_fe_guide/dependencies.md

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---

# Dependencies

## Adding Dependencies

GitLab uses `yarn` to manage dependencies. These dependencies are defined in
two groups within `package.json`, `dependencies` and `devDependencies`. For
our purposes, we consider anything that is required to compile our production
assets a "production" dependency. That is, anything required to run the
`webpack` script with `NODE_ENV=production`. Tools like `eslint`, `karma`, and
various plugins and tools used in development are considered `devDependencies`.
This distinction is used by omnibus to determine which dependencies it requires
when building GitLab.

Exceptions are made for some tools that we require in the
`gitlab:assets:compile` CI job such as `webpack-bundle-analyzer` to analyze our
production assets post-compile.

To add or upgrade a dependency, run:

```shell
yarn add <your dependency here>
```

This may introduce duplicate dependencies. To de-duplicate `yarn.lock`, run:

```shell
node_modules/.bin/yarn-deduplicate --list --strategy fewer yarn.lock && yarn install
```

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> TODO: Add Dependencies