Simply set nextTick to the required implementation

Author: dcodeIO

dist/bcrypt.js

@@ -528,18 +528,13 @@
 
     /**
      * Continues with the callback on the next tick.
+     * @function
      * @param {function(...[*])} callback Callback to execute
      * @inner
      */
-    function nextTick(callback) {
-        if (typeof process !== 'undefined' && typeof process.nextTick === 'function') {
-            if (typeof setImmediate === 'function')
-                setImmediate(callback);
-            else
-                process.nextTick(callback);
-        } else
-            setTimeout(callback, 0);
-    }
+    var nextTick = typeof process !== 'undefined' && process && typeof process.nextTick === 'function'
+        ? (typeof setImmediate === 'function' ? setImmediate : process.nextTick)
+        : setTimeout;
 
     /**
      * Converts a JavaScript string to UTF8 bytes.

dist/bcrypt.min.js

@@ -2,18 +2,13 @@
 
 /**
  * Continues with the callback on the next tick.
+ * @function
  * @param {function(...[*])} callback Callback to execute
  * @inner
  */
-function nextTick(callback) {
-    if (typeof process !== 'undefined' && typeof process.nextTick === 'function') {
-        if (typeof setImmediate === 'function')
-            setImmediate(callback);
-        else
-            process.nextTick(callback);
-    } else
-        setTimeout(callback, 0);
-}
+var nextTick = typeof process !== 'undefined' && process && typeof process.nextTick === 'function'
+    ? (typeof setImmediate === 'function' ? setImmediate : process.nextTick)
+    : setTimeout;
 
 /**
  * Converts a JavaScript string to UTF8 bytes.