Modify setup.js: In event WinOS error installing TF-modules provides user with detailed instructions on how to get their WinOS/nodejs dependencies installed correctly to facilitate installation of tfjs-node

setup.js

@@ -2,6 +2,7 @@ const path = require("path");
 const process = require("process");
 const { exec } = require("child_process");
 const systemCheck = require('./Launch-Scripts/system-check')
+const platform = require('os').platform();  // Possible values are: 'aix', 'darwin', 'freebsd', 'linux', 'openbsd', 'sunos', and 'win32'.
 
 // Check system is set up correctly 
 systemCheck();
@@ -33,11 +34,15 @@ let nodeModulesDirs = [
     path.join( process.cwd(), "Projects", "Foundations", "TS", "Bot-Modules", "Trading-Bot", "Announcements"),
     path.join( process.cwd(), "Projects", "Foundations", "TS", "Bot-Modules", "Trading-Bot", "Low-Frequency-Trading", "APIs"),
     path.join( process.cwd(), "Projects", "Foundations", "TS", "Task-Modules"),
-    /* Aug-27-21 - TensorFlow dependency integration undergoing modifications. Should be resolved within a day or two:
     path.join( process.cwd(), "Projects", "TensorFlow", "TS", "Bot-Modules", "Learning-Bot", "Low-Frequency-Learning")
-    */
 ];
 
+// Check if WinOS because extra dependencies may be required for tfjs:
+var tfjsWinInstallFlag = false;
+if (platform === 'win32') {  // *Note: win32 == win32 || win64
+    tfjsWinInstallFlag = true;
+}
+
 console.log('');
 console.log("Installing node dependencies at the following directories:");
 console.log('');
@@ -57,9 +62,31 @@ for (let dir of nodeModulesDirs) {
                 console.log("There was an error installing some dependencies error: ");
                 console.log('');
                 console.log( error );
+                if (tfjsWinInstallFlag == true && dir == path.join(process.cwd(), "Projects", "TensorFlow", "TS", "Bot-Modules", "Learning-Bot", "Low-Frequency-Learning")) {
+                    tfjsWinInstall();
+                }
                 return;
             }
             console.log('');
             console.log( stdout );
         });
-};
+};
+
+
+/*  If WinOS && error with tfjs installation:
+ *  This is a well known and documented issue with @Tensorflow/tfjs-node installation on WinOS.
+ *  npm's windows-build-tools via: `npm install --global --production windows-build-tools` &&
+ *  `npm install -g node-gyp`  can sometimes correct the issue but not always depending on the
+ *  version and options the user defined when installing npm/nodejs.
+ *  The best reliable way to correct that I (Pluvtech) have found to work on many versions of WinOS
+ *  is to reinstall nodejs and select to install chocolatey during the installation configuration.
+ */
+function tfjsWinInstall() {
+    console.log("\n*** Note to Windows Users Regarding the Superalgos TensorFlow Project ***");
+    console.log("If you have no other errors with this setup script and do not wish to use the TensorFlow Project:\nThen all is successful with your Superalgos setup and you may proceed to use the software.");
+    console.log("\nIf you do wish to install the @Tensorflow/tfjs-node modules required for use with the Superalgos TensorFlow Project:");
+    console.log("In this case it is likely your system is missing some dependencies required to build the TensorFlow (tfjs-node) bindings and you will need to follow the below steps:");
+    console.log("\n1.) Reinstall node.js from https://nodejs.org/en/download/ @Version 14.17.5 or higher.\nDuring installation, when you arrive at the 'Tools for Native Modules' screen you need to select the box to:\n\t'Automatically install the necessary tools...Chocolatey...'");
+    console.log("Doing this will cause a pop-up script in a new window which will install many npm/node tools and dependencies for use within the WinOS ecosystem.");
+    console.log("2.) When the installations finally complete you need to navigate back to your Superalgos directory and run `node setup` again.\n");
+}