A better way to print prettified json syntax error msg

vendor/github.com/olekukonko/ts/ts_x.go

@@ -0,0 +1,46 @@
+// +build !windows
+
+// Copyright 2014 Oleku Konko All rights reserved.
+// Use of this source code is governed by a MIT
+// license that can be found in the LICENSE file.
+
+// This module is a Terminal API for the Go Programming Language.
+// The protocols were written in pure Go and works on windows and unix systems
+
+package ts
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+// Get Windows Size
+func GetSize() (ws Size, err error) {
+	_, _, ec := syscall.Syscall(syscall.SYS_IOCTL,
+		uintptr(syscall.Stdout),
+		uintptr(TIOCGWINSZ),
+		uintptr(unsafe.Pointer(&ws)))
+
+	err = getError(ec)
+
+	if TIOCGWINSZ == 0 && err != nil {
+		ws = Size{80, 25, 0, 0}
+	}
+	return ws, err
+}
+
+func getError(ec interface{}) (err error) {
+	switch v := ec.(type) {
+
+	case syscall.Errno: // Some implementation return syscall.Errno number
+		if v != 0 {
+			err = syscall.Errno(v)
+		}
+
+	case error: // Some implementation return error
+		err = ec.(error)
+	default:
+		err = nil
+	}
+	return
+}