--- /dev/null
+// Load modules
+
+var Utils = require('./utils');
+
+
+// Declare internals
+
+var internals = {
+ delimiter: '&',
+ indices: true
+};
+
+
+internals.stringify = function (obj, prefix, options) {
+
+ if (Utils.isBuffer(obj)) {
+ obj = obj.toString();
+ }
+ else if (obj instanceof Date) {
+ obj = obj.toISOString();
+ }
+ else if (obj === null) {
+ obj = '';
+ }
+
+ if (typeof obj === 'string' ||
+ typeof obj === 'number' ||
+ typeof obj === 'boolean') {
+
+ return [encodeURIComponent(prefix) + '=' + encodeURIComponent(obj)];
+ }
+
+ var values = [];
+
+ if (typeof obj === 'undefined') {
+ return values;
+ }
+
+ var objKeys = Object.keys(obj);
+ for (var i = 0, il = objKeys.length; i < il; ++i) {
+ var key = objKeys[i];
+ if (!options.indices &&
+ Array.isArray(obj)) {
+
+ values = values.concat(internals.stringify(obj[key], prefix, options));
+ }
+ else {
+ values = values.concat(internals.stringify(obj[key], prefix + '[' + key + ']', options));
+ }
+ }
+
+ return values;
+};
+
+
+module.exports = function (obj, options) {
+
+ options = options || {};
+ var delimiter = typeof options.delimiter === 'undefined' ? internals.delimiter : options.delimiter;
+ options.indices = typeof options.indices === 'boolean' ? options.indices : internals.indices;
+
+ var keys = [];
+
+ if (typeof obj !== 'object' ||
+ obj === null) {
+
+ return '';
+ }
+
+ var objKeys = Object.keys(obj);
+ for (var i = 0, il = objKeys.length; i < il; ++i) {
+ var key = objKeys[i];
+ keys = keys.concat(internals.stringify(obj[key], key, options));
+ }
+
+ return keys.join(delimiter);
+};