fix+mention on tsconfig.json lib vs node version

Author: ducin

workshops/introduction_to_event_sourcing/README.md

@@ -42,7 +42,8 @@ Follow the instructions in exercises folders.
 
 1. Install git - https://git-scm.com/downloads.
 2. Clone this repository.
-3. Install Node.js 20.10 - https://Node.js.org/en/download/ (Or better using NVM).
+3. Install Node.js 20.10 - https://Node.js.org/en/download/ (or better using NVM).
+   - if you're using Node.js higher than v20, you can update `tsconfig.json`'s `compilerOptions.lib|target` in order to use newer JavaScript standard APIs, e.g. `Array.fromAsync`
 4. Install VSCode, WebStorm or other prefered IDE.
 5. Install docker - https://docs.docker.com/engine/install/.
 6. Open the current folder in IDE.

workshops/introduction_to_event_sourcing/tsconfig.json

@@ -5,11 +5,11 @@
 
     /* Basic Options */
     // "incremental": true,                         /* Enable incremental compilation */
-    "target": "ESNext" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
+    "target": "ES2022" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
     "verbatimModuleSyntax": true,
     "module": "ESNext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
     "lib": [
-      "ESNext"
+      "ES2023"
     ] /* Specify library files to be included in the compilation. */,
     "useDefineForClassFields": true,
     //"allowJs": true /* Allow javascript files to be compiled. */,