init

LICENSE

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+
+The MIT License (MIT)
+
+Copyright (c) 2018 GitHub, Inc. and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+# @actions/setup-node
+
+This action sets by node environment for use in actions by:
+
+- optionally downloading and caching a version of node - npm by version spec and add to PATH
+- registering problem matchers for error output 
+- configuring authentication for npm packages 
+- configuring proxy if the runner is configured to use a proxy (coming with private runners)
+
+# Usage
+
+See [action.yml](action.yml)
+
+Basic:
+```yaml
+actions:
+- uses: actions/setup-node@latest
+  with:
+    version: 10.x 
+- run: npm install
+- run: npm test
+```
+
+Matrix Testing:
+```yaml
+workflow:
+  build:
+    strategy:
+      matrix:
+        node: [ 10, 8 ]
+    name: Node ${{ matrix.node }} sample
+    actions:
+      - name: Setup node
+        uses: actions/setup-node@latest
+        with:
+          version: ${{ matrix.node }}
+      - run: npm install
+      - run: npm test
+```
+
+# License
+
+The scripts and documentation in this project are released under the [MIT License](LICENSE)

action.yml

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+name: 'Setup Node.js for use with actions'
+description: 'Setup a Node.js environment and add it to the PATH, additionally providing proxy support'
+author: 'GitHub'
+inputs: 
+  version:
+    description: 'Version Spec of the version to use.  Examples: 10.x, 10.15.1, >=10.15.0'
+    default: '10.x'
+  checkLatest:
+    description: 'Always checks online for the latest available version that satisfies the version spec. This is typically false unless you have a specific scenario to always get latest. This will cause it to incur download costs when potentially not necessary, especially with the hosted build pool.'
+    default: 'false'
+runs:
+  using: 'node'
+  main: 'usenode.js'