Hello airbnb

hydro/lib/pwhash.js

@@ -1,26 +1,27 @@
 const crypto = require('crypto');
+
 module.exports = {
-    _b64encode: str => new Buffer(str).toString('base64'),
-    _b64decode: str => new Buffer(str, 'base64').toString(),
-    _md5: str => crypto.createHash('md5').update(str).digest('hex'),
-    _sha1: str => crypto.createHash('sha1').update(str).digest('hex'),
+    _b64encode: (str) => Buffer.from(str).toString('base64'),
+    _b64decode: (str) => Buffer.from(str, 'base64').toString(),
+    _md5: (str) => crypto.createHash('md5').update(str).digest('hex'),
+    _sha1: (str) => crypto.createHash('sha1').update(str).digest('hex'),
     /**
      * @param {string} password
      * @param {string} salt
      * @param {string} hash
      */
     check(password, salt, hash) {
-        return hash == this.hash(password, salt);
+        return hash === this.hash(password, salt);
     },
     /**
      * @param {string} password
      * @param {string} salt
      */
     hash(password, salt) {
-        let res = crypto.pbkdf2Sync(password, salt, 100000, 64, 'sha256');
+        const res = crypto.pbkdf2Sync(password, salt, 100000, 64, 'sha256');
         return res.toString('Hex');
     },
     salt() {
         return String.random();
-    }
-};
+    },
+};