move ts checker to own forked process (which automatically uses paren…

…t execPath)

packages/@dcl/sdk-commands/src/logic/bundle.ts

@@ -218,15 +218,15 @@ function runTypeChecker(components: BundleComponents, options: CompileOptions) {
   const typeCheckerFuture = future<number>()
 
   function runTsc() {
-    const args = [
-      require.resolve('typescript/lib/tsc'),
-      '-p',
-      'tsconfig.json',
-      options.emitDeclaration ? '--emitDeclarationOnly' : '--noEmit'
-    ]
+    const tsBin = require.resolve('typescript/lib/tsc')
+    const args = ['-p', 'tsconfig.json', options.emitDeclaration ? '--emitDeclarationOnly' : '--noEmit']
 
     printProgressStep(components.logger, `Running type checker`, 2, MAX_STEP)
-    const ts = child_process.spawn(process.execPath, args, { env: process.env, cwd: options.workingDirectory })
+    const ts = child_process.fork(tsBin, args, {
+      stdio: 'pipe',
+      env: process.env,
+      cwd: options.workingDirectory
+    })
 
     return new Promise<number>((resolve, reject) => {
       ts.on('close', (code) => {
@@ -238,8 +238,8 @@ function runTypeChecker(components: BundleComponents, options: CompileOptions) {
         }
       })
 
-      ts.stdout.pipe(process.stdout)
-      ts.stderr.pipe(process.stderr)
+      ts.stdout?.pipe(process.stdout)
+      ts.stderr?.pipe(process.stderr)
     })
   }