3 var Utils = require('./utils');
10 arrayPrefixGenerators: {
11 brackets: function (prefix, key) {
15 indices: function (prefix, key) {
17 return prefix + '[' + key + ']';
19 repeat: function (prefix, key) {
24 strictNullHandling: false,
30 internals.stringify = function (obj, prefix, generateArrayPrefix, strictNullHandling, skipNulls, encode, filter, sort) {
32 if (typeof filter === 'function') {
33 obj = filter(prefix, obj);
35 else if (Utils.isBuffer(obj)) {
38 else if (obj instanceof Date) {
39 obj = obj.toISOString();
41 else if (obj === null) {
42 if (strictNullHandling) {
43 return encode ? Utils.encode(prefix) : prefix;
49 if (typeof obj === 'string' ||
50 typeof obj === 'number' ||
51 typeof obj === 'boolean') {
54 return [Utils.encode(prefix) + '=' + Utils.encode(obj)];
56 return [prefix + '=' + obj];
61 if (typeof obj === 'undefined') {
66 if (Array.isArray(filter)) {
69 var keys = Object.keys(obj);
70 objKeys = sort ? keys.sort(sort) : keys;
73 for (var i = 0, il = objKeys.length; i < il; ++i) {
82 if (Array.isArray(obj)) {
83 values = values.concat(internals.stringify(obj[key], generateArrayPrefix(prefix, key), generateArrayPrefix, strictNullHandling, skipNulls, encode, filter));
86 values = values.concat(internals.stringify(obj[key], prefix + '[' + key + ']', generateArrayPrefix, strictNullHandling, skipNulls, encode, filter));
94 module.exports = function (obj, options) {
96 options = options || {};
97 var delimiter = typeof options.delimiter === 'undefined' ? internals.delimiter : options.delimiter;
98 var strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : internals.strictNullHandling;
99 var skipNulls = typeof options.skipNulls === 'boolean' ? options.skipNulls : internals.skipNulls;
100 var encode = typeof options.encode === 'boolean' ? options.encode : internals.encode;
101 var sort = typeof options.sort === 'function' ? options.sort : null;
104 if (typeof options.filter === 'function') {
105 filter = options.filter;
106 obj = filter('', obj);
108 else if (Array.isArray(options.filter)) {
109 objKeys = filter = options.filter;
114 if (typeof obj !== 'object' ||
121 if (options.arrayFormat in internals.arrayPrefixGenerators) {
122 arrayFormat = options.arrayFormat;
124 else if ('indices' in options) {
125 arrayFormat = options.indices ? 'indices' : 'repeat';
128 arrayFormat = 'indices';
131 var generateArrayPrefix = internals.arrayPrefixGenerators[arrayFormat];
134 objKeys = Object.keys(obj);
141 for (var i = 0, il = objKeys.length; i < il; ++i) {
142 var key = objKeys[i];
150 keys = keys.concat(internals.stringify(obj[key], key, generateArrayPrefix, strictNullHandling, skipNulls, encode, filter, sort));
153 return keys.join(delimiter);