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Rename README.md to README.h
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ExalayanMari
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# setup-node
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[](https://github.com/actions/setup-node/actions/workflows/basic-validation.yml)
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[](https://github.com/actions/setup-node/actions/workflows/versions.yml)
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[](https://github.com/actions/setup-node/actions/workflows/e2e-cache.yml)
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[](https://github.com/actions/setup-node/actions/workflows/proxy.yml)
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This action provides the following functionality for GitHub Actions users:
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- Optionally downloading and caching distribution of the requested Node.js version, and adding it to the PATH
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- Optionally caching npm/yarn/pnpm dependencies
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- Registering problem matchers for error output
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- Configuring authentication for GPR or npm
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## Usage
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See [action.yml](action.yml)
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<!-- start usage -->
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```yaml
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- uses: actions/setup-node@v4
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with:
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# Version Spec of the version to use in SemVer notation.
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# It also admits such aliases as lts/*, latest, nightly and canary builds
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# Examples: 12.x, 10.15.1, >=10.15.0, lts/Hydrogen, 16-nightly, latest, node
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node-version: ''
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# File containing the version Spec of the version to use. Examples: package.json, .nvmrc, .node-version, .tool-versions.
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# If node-version and node-version-file are both provided the action will use version from node-version.
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node-version-file: ''
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# Set this option if you want the action to check for the latest available version
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# that satisfies the version spec.
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# It will only get affect for lts Nodejs versions (12.x, >=10.15.0, lts/Hydrogen).
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# Default: false
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check-latest: false
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# Target architecture for Node to use. Examples: x86, x64. Will use system architecture by default.
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# Default: ''. The action use system architecture by default
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architecture: ''
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# Used to pull node distributions from https://github.com/actions/node-versions.
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# Since there's a default, this is typically not supplied by the user.
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# When running this action on github.com, the default value is sufficient.
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# When running on GHES, you can pass a personal access token for github.com if you are experiencing rate limiting.
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#
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# We recommend using a service account with the least permissions necessary. Also
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# when generating a new PAT, select the least scopes necessary.
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#
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# [Learn more about creating and using encrypted secrets](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets)
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#
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# Default: ${{ github.server_url == 'https://github.com' && github.token || '' }}
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token: ''
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# Used to specify a package manager for caching in the default directory. Supported values: npm, yarn, pnpm.
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# Package manager should be pre-installed
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# Default: ''
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cache: ''
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# Used to specify the path to a dependency file: package-lock.json, yarn.lock, etc.
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# It will generate hash from the target file for primary key. It works only If cache is specified.
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# Supports wildcards or a list of file names for caching multiple dependencies.
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# Default: ''
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cache-dependency-path: ''
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# Optional registry to set up for auth. Will set the registry in a project level .npmrc and .yarnrc file,
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# and set up auth to read in from env.NODE_AUTH_TOKEN.
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# Default: ''
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registry-url: ''
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# Optional scope for authenticating against scoped registries.
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# Will fall back to the repository owner when using the GitHub Packages registry (https://npm.pkg.github.com/).
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# Default: ''
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scope: ''
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# Set always-auth option in npmrc file.
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# Default: ''
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always-auth: ''
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# Optional mirror to download binaries from.
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# Artifacts need to match the official Node.js
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# Example:
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# V8 Canaray Build: <mirror_url>/download/v8-canary
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# RC Build: <mirror_url>/download/rc
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# Official: Build <mirror_url>/dist
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# Nightly build: <mirror_url>/download/nightly
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# Default: ''
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mirror: ''
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# Optional mirror token.
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# The token will be used as a bearer token in the Authorization header
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# Default: ''
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mirror-token: ''
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```
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<!-- end usage -->
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**Basic:**
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```yaml
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steps:
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- uses: actions/checkout@v4
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- uses: actions/setup-node@v4
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with:
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node-version: 18
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- run: npm ci
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- run: npm test
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```
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The `node-version` input is optional. If not supplied, the node version from PATH will be used. However, it is recommended to always specify Node.js version and don't rely on the system one.
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The action will first check the local cache for a semver match. If unable to find a specific version in the cache, the action will attempt to download a version of Node.js. It will pull LTS versions from [node-versions releases](https://github.com/actions/node-versions/releases) and on miss or failure will fall back to the previous behavior of downloading directly from [node dist](https://nodejs.org/dist/).
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For information regarding locally cached versions of Node.js on GitHub hosted runners, check out [GitHub Actions Runner Images](https://github.com/actions/runner-images).
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### Supported version syntax
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The `node-version` input supports the Semantic Versioning Specification, for more detailed examples please refer to [the semver package documentation](https://github.com/npm/node-semver).
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Examples:
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- Major versions: `18`, `20`
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- More specific versions: `10.15`, `16.15.1` , `18.4.0`
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- NVM LTS syntax: `lts/erbium`, `lts/fermium`, `lts/*`, `lts/-n`
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- Latest release: `*` or `latest`/`current`/`node`
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**Note:** Like the other values, `*` will get the latest [locally-cached Node.js version](https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2204-Readme.md#nodejs), or the latest version from [actions/node-versions](https://github.com/actions/node-versions/blob/main/versions-manifest.json), depending on the [`check-latest`](docs/advanced-usage.md#check-latest-version) input.
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`current`/`latest`/`node` always resolve to the latest [dist version](https://nodejs.org/dist/index.json).
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That version is then downloaded from actions/node-versions if possible, or directly from Node.js if not.
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Since it will not be cached always, there is possibility of hitting rate limit when downloading from dist
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### Checking in lockfiles
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It's **always** recommended to commit the lockfile of your package manager for security and performance reasons. For more information consult the "Working with lockfiles" section of the [Advanced usage](docs/advanced-usage.md#working-with-lockfiles) guide.
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## Caching global packages data
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The action has a built-in functionality for caching and restoring dependencies. It uses [actions/cache](https://github.com/actions/cache) under the hood for caching global packages data but requires less configuration settings. Supported package managers are `npm`, `yarn`, `pnpm` (v6.10+). The `cache` input is optional, and caching is turned off by default.
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The action defaults to search for the dependency file (`package-lock.json`, `npm-shrinkwrap.json` or `yarn.lock`) in the repository root, and uses its hash as a part of the cache key. Use `cache-dependency-path` for cases when multiple dependency files are used, or they are located in different subdirectories.
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**Note:** The action does not cache `node_modules`
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See the examples of using cache for `yarn`/`pnpm` and `cache-dependency-path` input in the [Advanced usage](docs/advanced-usage.md#caching-packages-data) guide.
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**Caching npm dependencies:**
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```yaml
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steps:
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- uses: actions/checkout@v4
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- uses: actions/setup-node@v4
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with:
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node-version: 20
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cache: 'npm'
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- run: npm ci
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- run: npm test
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```
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**Caching npm dependencies in monorepos:**
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```yaml
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steps:
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- uses: actions/checkout@v4
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- uses: actions/setup-node@v4
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with:
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node-version: 20
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cache: 'npm'
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cache-dependency-path: subdir/package-lock.json
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- run: npm ci
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- run: npm test
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```
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## Matrix Testing
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```yaml
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jobs:
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build:
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runs-on: ubuntu-latest
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strategy:
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matrix:
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node: [ 14, 16, 18 ]
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name: Node ${{ matrix.node }} sample
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steps:
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- uses: actions/checkout@v4
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- name: Setup node
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uses: actions/setup-node@v4
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with:
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node-version: ${{ matrix.node }}
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- run: npm ci
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- run: npm test
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```
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## Using `setup-node` on GHES
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`setup-node` comes pre-installed on the appliance with GHES if Actions is enabled. When dynamically downloading Nodejs distributions, `setup-node` downloads distributions from [`actions/node-versions`](https://github.com/actions/node-versions) on github.com (outside of the appliance). These calls to `actions/node-versions` are made via unauthenticated requests, which are limited to [60 requests per hour per IP](https://docs.github.com/en/rest/overview/resources-in-the-rest-api#rate-limiting). If more requests are made within the time frame, then you will start to see rate-limit errors during downloading that looks like: `##[error]API rate limit exceeded for...`. After that error the action will try to download versions directly from the official site, but it also can have rate limit so it's better to put token.
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To get a higher rate limit, you can [generate a personal access token on github.com](https://github.com/settings/tokens/new) and pass it as the `token` input for the action:
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```yaml
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uses: actions/setup-node@v4
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with:
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token: ${{ secrets.GH_DOTCOM_TOKEN }}
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node-version: 20
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```
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If the runner is not able to access github.com, any Nodejs versions requested during a workflow run must come from the runner's tool cache. See "[Setting up the tool cache on self-hosted runners without internet access](https://docs.github.com/en/enterprise-server@3.2/admin/github-actions/managing-access-to-actions-from-githubcom/setting-up-the-tool-cache-on-self-hosted-runners-without-internet-access)" for more information.
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## Advanced usage
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- [Check latest version](docs/advanced-usage.md#check-latest-version)
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- [Using a node version file](docs/advanced-usage.md#node-version-file)
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- [Using different architectures](docs/advanced-usage.md#architecture)
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- [Using v8 canary versions](docs/advanced-usage.md#v8-canary-versions)
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- [Using nightly versions](docs/advanced-usage.md#nightly-versions)
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- [Using rc versions](docs/advanced-usage.md#rc-versions)
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- [Caching packages data](docs/advanced-usage.md#caching-packages-data)
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- [Using multiple operating systems and architectures](docs/advanced-usage.md#multiple-operating-systems-and-architectures)
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- [Publishing to npmjs and GPR with npm](docs/advanced-usage.md#publish-to-npmjs-and-gpr-with-npm)
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- [Publishing to npmjs and GPR with yarn](docs/advanced-usage.md#publish-to-npmjs-and-gpr-with-yarn)
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- [Using private packages](docs/advanced-usage.md#use-private-packages)
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## Recommended permissions
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When using the `setup-node` action in your GitHub Actions workflow, it is recommended to set the following permissions to ensure proper functionality:
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```yaml
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permissions:
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contents: read # access to check out code and install dependencies
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```
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## License
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The scripts and documentation in this project are released under the [MIT License](LICENSE)
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## Contributions
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Contributions are welcome! See [Contributor's Guide](docs/contributors.md)
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## Code of Conduct
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:wave: Be nice. See [our code of conduct](CODE_OF_CONDUCT.md)
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