feat: Add JavaScript action template

https://github.com/actions/javascript-action

.eslintrc.json

@@ -0,0 +1,17 @@
+{
+    "env": {
+        "commonjs": true,
+        "es6": true,
+        "node": true
+    },
+    "extends": "eslint:recommended",
+    "globals": {
+        "Atomics": "readonly",
+        "SharedArrayBuffer": "readonly"
+    },
+    "parserOptions": {
+        "ecmaVersion": 2018
+    },
+    "rules": {
+    }
+}

.github/workflows/test.yml

@@ -0,0 +1,17 @@
+name: "Run JavaScript Action"
+on:
+  push:
+    branches:    
+      - 'releases/*'   # only run in release distribution branches
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+
+    - run: npm ci
+    - run: npm test
+    - uses: actions/javascript-action@releases/v1
+      with: 
+        milliseconds: 1000

.gitignore

@@ -0,0 +1,61 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next

action.yml

@@ -1,9 +1,14 @@
 name: 'Hugo build action'
 description: 'GitHub Actions for Hugo extended and Hugo Modules'
 author: 'peaceiris'
+inputs:
+  milliseconds:  # id of input
+    description: 'number of milliseconds to wait'
+    required: true
+    default: '1000'
+outputs:
+  time: # output will be available to future steps
+    description: 'The message to output'
 runs:
-  using: 'docker'
-  image: 'Dockerfile'
-branding:
-  icon: 'package'
-  color: 'yellow'
+  using: 'node12'
+  main: 'index.js'

index.js

@@ -0,0 +1,22 @@
+const core = require('@actions/core');
+const wait = require('./wait');
+
+
+// most @actions toolkit packages have async methods
+async function run() {
+  try { 
+    const ms = core.getInput('milliseconds');
+    console.log(`Waiting ${ms} milliseconds ...`)
+
+    core.debug((new Date()).toTimeString())
+    wait(parseInt(ms));
+    core.debug((new Date()).toTimeString())
+
+    core.setOutput('time', new Date().toTimeString());
+  } 
+  catch (error) {
+    core.setFailed(error.message);
+  }
+}
+
+run()

index.test.js

@@ -0,0 +1,23 @@
+const wait = require('./wait');
+const process = require('process');
+const cp = require('child_process');
+const path = require('path');
+
+test('throws invalid number', async() => {
+    await expect(wait('foo')).rejects.toThrow('milleseconds not a number');
+});
+
+test('wait 500 ms', async() => {
+    const start = new Date();
+    await wait(500);
+    const end = new Date();
+    var delta = Math.abs(end - start);
+    expect(delta).toBeGreaterThan(450);
+});
+
+// shows how the runner will run a javascript action with env / stdout protocol
+test('test runs', () => {
+    process.env['INPUT_MILLISECONDS'] = 500;
+    const ip = path.join(__dirname, 'index.js');
+    console.log(cp.execSync(`node ${ip}`).toString());
+})

package.json

@@ -0,0 +1,32 @@
+{
+  "name": "javascript-action",
+  "version": "1.0.0",
+  "description": "JavaScript Action Template",
+  "main": "index.js",
+  "scripts": {
+    "lint": "eslint index.js",
+    "test": "eslint index.js && jest"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/actions/javascript-action.git"
+  },
+  "keywords": [
+    "GitHub",
+    "Actions",
+    "JavaScript"
+  ],
+  "author": "GitHub",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/actions/javascript-action/issues"
+  },
+  "homepage": "https://github.com/actions/javascript-action#readme",
+  "dependencies": {
+    "@actions/core": "^1.1.0"
+  },
+  "devDependencies": {
+    "eslint": "^6.3.0",
+    "jest": "^24.9.0"
+  }
+}

wait.js

@@ -0,0 +1,11 @@
+let wait = function(milliseconds) {
+  return new Promise((resolve, reject) => {
+    if (typeof(milliseconds) !== 'number') { 
+      throw new Error('milleseconds not a number'); 
+    }
+
+    setTimeout(() => resolve("done!"), milliseconds)
+  });
+}
+
+module.exports = wait;