[Refactor] stringify: throw faster with an invalid encoder

ljharb · Dec 17, 2016 · b041eb9 · b041eb9
1 parent 2ca339e
commit b041eb9
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/lib/stringify.js b/lib/stringify.js
@@ -119,6 +119,11 @@ var stringify = function stringify( // eslint-disable-line func-name-matching
 module.exports = function (object, opts) {
     var obj = object;
     var options = opts || {};
+
+    if (options.encoder !== null && options.encoder !== undefined && typeof options.encoder !== 'function') {
+        throw new TypeError('Encoder has to be a function.');
+    }
+
     var delimiter = typeof options.delimiter === 'undefined' ? defaults.delimiter : options.delimiter;
     var strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;
     var skipNulls = typeof options.skipNulls === 'boolean' ? options.skipNulls : defaults.skipNulls;
@@ -136,10 +141,6 @@ module.exports = function (object, opts) {
     var objKeys;
     var filter;
 
-    if (options.encoder !== null && options.encoder !== undefined && typeof options.encoder !== 'function') {
-        throw new TypeError('Encoder has to be a function.');
-    }
-
     if (typeof options.filter === 'function') {
         filter = options.filter;
         obj = filter('', obj);