prevent segmentation fault error by directly communicating with process

ts/early.child.ts

@@ -1,46 +1,47 @@
-import "typings-global";
-import chalk = require("chalk");
-import readline = require("readline");
+import 'typings-global'
+import chalk = require('chalk')
+import readline = require('readline')
 let rl = readline.createInterface({
     input: process.stdin,
     output: process.stdout
-});
+})
 
-let moduleName: string;
-let loaderLength: number;
-let frameCounter: number = 0;
+let moduleName: string
+let loaderLength: number
+let frameCounter: number = 0
 
 let makeFrame = (): string => {
-    let resultString: string = `[${chalk.green("/".repeat(frameCounter))}${" ".repeat(loaderLength - frameCounter)}] starting ${moduleName}`;
-    if (frameCounter == loaderLength) {
-        frameCounter = 0;
+    let resultString: string = `[${chalk.green('/'.repeat(frameCounter))}${' '.repeat(loaderLength - frameCounter)}] starting ${moduleName}`
+    if (frameCounter === loaderLength) {
+        frameCounter = 0
     } else {
-        frameCounter++;
+        frameCounter++
     }
-    return resultString;
-};
+    return resultString
+}
 
-let logEarlyAbort = false;
+let logEarlyAbort = false
 let logEarly = () => {
     if (!logEarlyAbort) {
-        rl.write(null, { ctrl: true, name: 'u' });
-        rl.write(makeFrame());
+        rl.write(null, { ctrl: true, name: 'u' })
+        rl.write(makeFrame())
         setTimeout(function () {
-            logEarly();
-        }, 80);
+            logEarly()
+        }, 80)
+    } else {
+        readline.clearLine(process.stdout,0)
+        process.exit(0)
     }
-};
+}
 
-let start = function (moduleNameArg: string = "", loaderLengthArg: string = "10") {
-    moduleName = moduleNameArg;
-    loaderLength = parseInt(loaderLengthArg);
-    logEarly();
-};
-
-start(process.env.moduleNameArg, process.env.loaderLengthArg);
+let start = function (moduleNameArg: string = '', loaderLengthArg: string = '10') {
+    moduleName = moduleNameArg
+    loaderLength = parseInt(loaderLengthArg)
+    logEarly()
+}
 
 process.on('SIGINT', () => {
-    logEarlyAbort = true;
-    rl.write(null, { ctrl: true, name: 'u' });
-    process.exit(0);
-});
+    logEarlyAbort = true
+})
+
+start()