Make debug lazy in system-checker

Author: aminya

lib/system-checker.js

@@ -2,7 +2,6 @@ let instance;
 const spellchecker = require('spellchecker');
 const pathspec = require('atom-pathspec');
 const env = require('./checker-env');
-const debug = require('debug');
 
 // Initialize the global spell checker which can take some time. We also force
 // the use of the system or operating system library instead of Hunspell.
@@ -24,7 +23,12 @@ if (env.isSystemSupported()) {
 // due to some memory bug.
 class SystemChecker {
     constructor() {
-        this.log = debug('spell-check:system-checker');
+        if (atom.config.get("spell-check.enableDebug")) {
+            debug = require('debug');
+            this.log = debug('spell-check:system-checker');
+        } else {
+            this.log = console.log
+        }
         this.log('enabled', this.isEnabled(), this.getStatus());
     }