Update util.js

lib/util.js

@@ -2,6 +2,7 @@
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.suppressSensitiveInformation = exports.hasRequiredParameters = exports.generateRepositoryPath = exports.generateTokenType = exports.isNullOrUndefined = void 0;
 const core_1 = require("@actions/core");
+const fs_1 = require("fs");
 /* Utility function that checks to see if a value is undefined or not. */
 exports.isNullOrUndefined = (value) => typeof value === 'undefined' || value === null || value === '';
 /* Generates a token type used for the action. */
@@ -34,6 +35,9 @@ exports.hasRequiredParameters = (action) => {
     if (action.folder.startsWith('/') || action.folder.startsWith('./')) {
         throw new Error("Incorrectly formatted build folder. The deployment folder cannot be prefixed with '/' or './'. Instead reference the folder name directly.");
     }
+    if (!fs_1.existsSync(action.folder) && action.folder !== action.root) {
+        throw new Error(`The ${action.folder} directory you're trying to deploy doesn't exist. ❗`);
+    }
 };
 /* Suppresses sensitive information from being exposed in error messages. */
 exports.suppressSensitiveInformation = (str, action) => {