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README.md
setup-node
This action provides the following functionality for GitHub Actions users:
- Optionally downloading and caching distribution of the requested Node.js version, and adding it to the PATH
- Optionally caching npm/yarn/pnpm dependencies
- Registering problem matchers for error output
- Configuring authentication for GPR or npm
Usage
See action.yml
Basic:
steps:
- uses: actions/checkout@v2
- uses: actions/setup-node@v2
with:
node-version: '14'
- run: npm install
- run: npm test
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.
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 and on miss or failure will fall back to the previous behavior of downloading directly from node dist.
For information regarding locally cached versions of Node.js on GitHub hosted runners, check out GitHub Actions Virtual Environments.
Supported version syntax
The node-version input supports the following syntax:
major versions: 12, 14, 16
more specific versions: 10.15, 14.2.0, 16.3.0
nvm lts syntax: lts/erbium, lts/fermium, lts/*
Caching packages dependencies
The action has a built-in functionality for caching and restoring dependencies. It uses actions/cache under hood for caching dependencies 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.
The action defaults to search for the dependency file (package-lock.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.
See the examples of using cache for yarn / pnpm and cache-dependency-path input in the Advanced usage guide.
Caching npm dependencies:
steps:
- uses: actions/checkout@v2
- uses: actions/setup-node@v2
with:
node-version: '14'
cache: 'npm'
- run: npm install
- run: npm test
Caching npm dependencies in monorepos:
steps:
- uses: actions/checkout@v2
- uses: actions/setup-node@v2
with:
node-version: '14'
cache: 'npm'
cache-dependency-path: subdir/package-lock.json
- run: npm install
- run: npm test
Matrix Testing:
jobs:
build:
runs-on: ubuntu-latest
strategy:
matrix:
node: [ '12', '14', '16' ]
name: Node ${{ matrix.node }} sample
steps:
- uses: actions/checkout@v2
- name: Setup node
uses: actions/setup-node@v2
with:
node-version: ${{ matrix.node }}
- run: npm install
- run: npm test
Advanced usage
- Check latest version
- Using different architectures
- Caching packages dependencies
- Using multiple operating systems and architectures
- Publishing to npmjs and GPR with npm
- Publishing to npmjs and GPR with yarn
- Using private packages
License
The scripts and documentation in this project are released under the MIT License
Contributions
Contributions are welcome! See Contributor's Guide
Code of Conduct
👋 Be nice. See our code of conduct