Log npm & yarn versions

Author: Andarist

lib/setup-node.js

@@ -16,6 +16,7 @@ var __importStar = (this && this.__importStar) || function (mod) {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(require("@actions/core"));
+const exec_1 = require("@actions/exec");
 const installer = __importStar(require("./installer"));
 const auth = __importStar(require("./authutil"));
 const path = __importStar(require("path"));
@@ -44,6 +45,8 @@ function run() {
             console.log(`##[add-matcher]${path.join(matchersPath, 'tsc.json')}`);
             console.log(`##[add-matcher]${path.join(matchersPath, 'eslint-stylish.json')}`);
             console.log(`##[add-matcher]${path.join(matchersPath, 'eslint-compact.json')}`);
+            yield exec_1.exec('npm --version');
+            yield exec_1.exec('yarn --version');
         }
         catch (error) {
             core.setFailed(error.message);

node_modules/@actions/exec/README.md

@@ -23,11 +23,12 @@
   "license": "MIT",
   "dependencies": {
     "@actions/core": "^1.0.0",
+    "@actions/exec": "^1.0.1",
     "@actions/github": "^1.0.0",
     "@actions/io": "^1.0.0",
     "@actions/tool-cache": "^1.0.0",
-    "typed-rest-client": "^1.5.0",
-    "semver": "^6.1.1"
+    "semver": "^6.1.1",
+    "typed-rest-client": "^1.5.0"
   },
   "devDependencies": {
     "@types/jest": "^24.0.13",

node_modules/@actions/exec/lib/exec.js

@@ -1,4 +1,5 @@
 import * as core from '@actions/core';
+import {exec} from '@actions/exec';
 import * as installer from './installer';
 import * as auth from './authutil';
 import * as path from 'path';
@@ -33,6 +34,8 @@ async function run() {
     console.log(
       `##[add-matcher]${path.join(matchersPath, 'eslint-compact.json')}`
     );
+    await exec('npm --version');
+    await exec('yarn --version');
   } catch (error) {
     core.setFailed(error.message);
   }