sync mode on

node_modules/sonic-boom/check.js

@@ -0,0 +1,18 @@
+'use strict'
+
+const SonicBoom = require('.')
+const sonic = new SonicBoom({ fd: process.stdout.fd })
+
+let count = 0
+function scheduleWrites () {
+  for (let i = 0; i < 1000; i++) {
+    sonic.write('hello sonic\n')
+    console.log('hello console')
+  }
+
+  if (++count < 10) {
+    setTimeout(scheduleWrites, 100)
+  }
+}
+
+scheduleWrites()