add Stock module

src/index.ts

@@ -1,15 +1,19 @@
 #!/usr/bin/env node
 
 const program = require('commander');
+import * as Stock from './stock';
 
 program
     .version('0.0.1')
     .description("Stock CLI for getting stock information")
     .arguments('get <stock> [otherStocks...]', 'get one or more stocks price')
-    .action((cmd: string, stocks?: string[]) => {
-        console.log("Instruction: %s", cmd);
-        if (stocks){
-            console.log("And other stocks: %s", stocks.join("-"));
+    .action((cmd: string, stocks: string[] = []) => {
+        switch(cmd) {
+            case "get":
+                Stock.get(stocks);
+                break;
+            default:
+                console.log(`No "${cmd}" method.`)
         }
     });
 

src/stock.ts

@@ -0,0 +1,9 @@
+
+const get = (args: string[]): void => {
+    console.log(`You want to fetch ${args}`);
+    return;
+}
+
+export {
+    get
+}