Initial commit

README.md

@@ -1,12 +1,12 @@
-# Hello world JavaScript action
+# Get npm version action
 
-This action prints "Hello World" or "Hello" + the name of a person to greet to the log. To learn how this action was built, see "[Creating a JavaScript action](https://help.github.com/en/articles/creating-a-javascript-action)" in the GitHub Help documentation.
+This action extracts the version string from the package.json file.
 
 ## Inputs
 
-### `who-to-greet`
+### `file`
 
-**Required** The name of the person to greet. Default `"World"`.
+**Optional** The package.json file. Default `"package.json"`.
 
 ## Outputs
 
@@ -17,7 +17,5 @@ The time we greeted you.
 ## Example usage
 
 ```yaml
-uses: actions/hello-world-javascript-action@master
-with:
-  who-to-greet: 'Mona the Octocat'
+uses: action-get-npm-version@master
 ```

action.yml

@@ -1,13 +1,13 @@
-name: 'Hello World'
-description: 'Greet someone and record the time'
+name: 'Gte npm version action'
+description: 'Extracts the version string from the package.json file'
 inputs:
-  who-to-greet:  # id of input
-    description: 'Who to greet'
-    required: true
-    default: 'World'
+  file:
+    description: 'package.json file'
+    required: false
+    default: 'package.json'
 outputs:
-  time: # id of output
-    description: 'The time we we greeted you'
+  version:
+    description: 'The version string from the package.json file'
 runs:
   using: 'node12'
   main: 'index.js'

index.js

@@ -1,15 +1,12 @@
+const fs = require('fs');
 const core = require('@actions/core');
-const github = require('@actions/github');
 
 try {
-  // `who-to-greet` input defined in action metadata file
-  const nameToGreet = core.getInput('who-to-greet');
-  console.log(`Hello ${nameToGreet}!`);
-  const time = (new Date()).toTimeString();
-  core.setOutput("time", time);
-  // Get the JSON webhook payload for the event that triggered the workflow
-  const payload = JSON.stringify(github.context.payload, undefined, 2)
-  console.log(`The event payload: ${payload}`);
+  const file = core.getInput('file') || 'package.json';
+  console.log(`Using ${file}`);
+  const version = JSON.parse(fs.readFileSync(file)).version;
+  console.log(version);
+  core.setOutput("version", version);
 } catch (error) {
   core.setFailed(error.message);
 }