Update action.yml

action.yml

@@ -1,6 +1,7 @@
 name: 'Test file system'
 description: 'Test the existence of set of files in the filesystem'
 author: 'BorjaOuterelo'
+icon:
 inputs:
   path:              # change this
     description: 'Working dir to use'
@@ -10,3 +11,6 @@ inputs:
 runs:
   using: 'node12'
   main: 'lib/testfs.js'
+branding:
+  icon: 'check'  
+  color: 'green'

lib/testfs.js

@@ -0,0 +1,56 @@
+"use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+    result["default"] = mod;
+    return result;
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const core = __importStar(require("@actions/core"));
+const fs_1 = __importDefault(require("fs"));
+const path = __importStar(require("path"));
+function check_fs(files, base_path = "./") {
+    let result = true;
+    let full_path = "";
+    for (let test_file of files) {
+        full_path = path.join(base_path, test_file);
+        console.log("Testing ....: ", full_path);
+        console.log((result =
+            result && fs_1.default.existsSync(full_path) && fs_1.default.statSync(full_path).isFile()));
+        if (result == false) {
+            return result;
+        }
+    }
+    return result;
+}
+exports.check_fs = check_fs;
+function run() {
+    return __awaiter(this, void 0, void 0, function* () {
+        try {
+            const base_path = core.getInput("path");
+            const raw_file_list = core.getInput("files");
+            const files = raw_file_list.split(",");
+            console.log("Testing existence of ", files, " with working dir = ", base_path);
+            if (!check_fs(files, base_path)) {
+                core.setFailed("Missing output files");
+            }
+        }
+        catch (error) {
+            core.setFailed(error.message);
+        }
+    });
+}
+run();