Use node-version instead of version (#28)

* Use node-version instead of version

* Add deprecation date

README.md

@@ -19,7 +19,7 @@ steps:
 - uses: actions/checkout@master
 - uses: actions/setup-node@v1
   with:
-    version: '10.x'
+    node-version: '10.x'
 - run: npm install
 - run: npm test
 ```
@@ -38,7 +38,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v1
         with:
-          version: ${{ matrix.node }}
+          node-version: ${{ matrix.node }}
       - run: npm install
       - run: npm test
 ```
@@ -49,7 +49,7 @@ steps:
 - uses: actions/checkout@master
 - uses: actions/setup-node@v1
   with:
-    version: '10.x'
+    node-version: '10.x'
     registry-url: 'https://registry.npmjs.org'
 - run: npm install
 - run: npm publish
@@ -69,7 +69,7 @@ steps:
 - uses: actions/checkout@master
 - uses: actions/setup-node@v1
   with:
-    version: '10.x'
+    node-version: '10.x'
     registry-url: <registry url>
 - run: npm install -g yarn
 - run: yarn install

action.yml

@@ -1,14 +1,17 @@
 name: 'Setup Node.js environment'
 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, lts'
+inputs:
+  node-version:
+    description: 'Version Spec of the version to use.  Examples: 10.x, 10.15.1, >=10.15.0'
     default: '10.x'
   registry-url:
     description: 'Optional registry to set up for auth. Will set the registry in a project level .npmrc and .yarnrc file, and set up auth to read in from env.NODE_AUTH_TOKEN'
   scope:
     description: 'Optional scope for authenticating against scoped registries'
+# Deprecated option, do not use. Will not be supported after October 1, 2019
+  version:
+    description: 'Deprecated. Use node-version instead. Will not be supported after October 1, 2019'
 runs:
   using: 'node12'
   main: 'lib/setup-node.js'

lib/setup-node.js

@@ -26,7 +26,10 @@ function run() {
             // Version is optional.  If supplied, install / use from the tool cache
             // If not supplied then task is still used to setup proxy, auth, etc...
             //
-            const version = core.getInput('version');
+            let version = core.getInput('version');
+            if (!version) {
+                version = core.getInput('node-version');
+            }
             if (version) {
                 // TODO: installer doesn't support proxy
                 yield installer.getNode(version);

src/setup-node.ts

@@ -9,7 +9,10 @@ async function run() {
     // Version is optional.  If supplied, install / use from the tool cache
     // If not supplied then task is still used to setup proxy, auth, etc...
     //
-    const version = core.getInput('version');
+    let version = core.getInput('version');
+    if (!version) {
+      version = core.getInput('node-version');
+    }
     if (version) {
       // TODO: installer doesn't support proxy
       await installer.getNode(version);