now forking a seperate process to work when node is busy

ts/early.child.ts

@@ -0,0 +1,52 @@
+/// <reference path="./typings/index.d.ts" />
+let colors = require("colors");
+import readline = require("readline");
+let rl; 
+let initReadline = () => {
+    rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+    });
+};
+
+let moduleName:string;
+let loaderLength:number;
+let frameCounter:number = 0;
+
+let makeFrame = ():string => {
+    let resultString:string = "["
+        + "/".green.repeat(frameCounter)
+        + " ".repeat(loaderLength - frameCounter)
+        + "]"
+        + " starting "
+        + moduleName.cyan;
+
+    if(frameCounter == loaderLength){
+        frameCounter = 0;
+    } else {
+        frameCounter++;
+    }
+    return resultString;
+};
+
+let logEarly = () => {
+    rl.write(null, {ctrl: true, name: 'u'});
+    rl.write(makeFrame());
+    setTimeout(function(){
+        logEarly();
+    },200);
+};
+
+let start = function(moduleNameArg:string = "",loaderLengthArg:string = "10"){
+    console.log(moduleNameArg);
+    moduleName = moduleNameArg;
+    loaderLength = parseInt(loaderLengthArg);
+    if (!process.env.CI){
+        initReadline();
+        logEarly();
+    } else {
+        console.log("**** starting " + moduleName.cyan + " ****");
+    };
+};
+
+start(process.env.moduleNameArg,process.env.loaderLengthArg);

ts/index.ts

@@ -2,64 +2,19 @@
 let colors = require("colors");
 let readline = require("readline");
 
-let rl; 
-let initReadline = () => {
-    rl = readline.createInterface({
-    input: process.stdin,
-    output: process.stdout
+import childProcess = require("child_process");
+let earlyChild;
+// exports
+export let start = function(moduleNameArg:string = "",loaderLengthArg:string = "10"){
+    earlyChild = childProcess.fork("./dist/early.child.js",[],{
+        env: {
+            moduleNameArg:moduleNameArg,
+            loaderLengthArg:loaderLengthArg
+        }
     });
 };
 
-let moduleName:string;
-let loaderLength:number;
-let frameCounter:number = 0;
-
-let makeFrame = ():string => {
-    let resultString:string = "["
-        + "/".green.repeat(frameCounter)
-        + " ".repeat(loaderLength - frameCounter)
-        + "]"
-        + " starting "
-        + moduleName.cyan;
-
-    if(frameCounter == loaderLength){
-        frameCounter = 0;
-    } else {
-        frameCounter++;
-    }
-    return resultString;
-};
-
-let abort:boolean = true;
-let logEarly = () => {
-    rl.write(null, {ctrl: true, name: 'u'});
-    rl.write(makeFrame());
-    setTimeout(function(){
-        if(!abort){
-            logEarly();
-        }
-    },200);
-};
-
-
-// exports
-export let start = function(moduleNameArg:string = "",loaderLengthArg:number = 10){
-    abort = false;
-    moduleName = moduleNameArg;
-    loaderLength = loaderLengthArg;
-    if (!process.env.CI){
-        initReadline();
-        logEarly();
-    } else {
-        console.log("**** starting " + moduleName.cyan + " ****");
-    };
-};
-
 export let stop = function(){
-    abort = true;
-    if (!process.env.CI){
-        rl.write(null, {ctrl: true, name: 'u'});
-        rl.close();
-    }
+    earlyChild.kill();
 };