1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
'use strict';
var utils = require('./utils');
var formats = require('./formats');
var arrayPrefixGenerators = {
brackets: function brackets(prefix) { // eslint-disable-line func-name-matching
return prefix + '[]';
},
indices: function indices(prefix, key) { // eslint-disable-line func-name-matching
return prefix + '[' + key + ']';
},
repeat: function repeat(prefix) { // eslint-disable-line func-name-matching
return prefix;
}
};
var toISO = Date.prototype.toISOString;
var defaults = {
delimiter: '&',
encode: true,
encoder: utils.encode,
encodeValuesOnly: false,
serializeDate: function serializeDate(date) { // eslint-disable-line func-name-matching
return toISO.call(date);
},
skipNulls: false,
strictNullHandling: false
};
var stringify = function stringify( // eslint-disable-line func-name-matching
object,
prefix,
generateArrayPrefix,
strictNullHandling,
skipNulls,
encoder,
filter,
sort,
allowDots,
serializeDate,
formatter,
encodeValuesOnly
) {
var obj = object;
if (typeof filter === 'function') {
obj = filter(prefix, obj);
} else if (obj instanceof Date) {
obj = serializeDate(obj);
} else if (obj === null) {
if (strictNullHandling) {
return encoder && !encodeValuesOnly ? encoder(prefix) : prefix;
}
obj = '';
}
if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean' || utils.isBuffer(obj)) {
if (encoder) {
var keyValue = encodeValuesOnly ? prefix : encoder(prefix);
return [formatter(keyValue) + '=' + formatter(encoder(obj))];
}
return [formatter(prefix) + '=' + formatter(String(obj))];
}
var values = [];
if (typeof obj === 'undefined') {
return values;
}
var objKeys;
if (Array.isArray(filter)) {
objKeys = filter;
} else {
var keys = Object.keys(obj);
objKeys = sort ? keys.sort(sort) : keys;
}
for (var i = 0; i < objKeys.length; ++i) {
var key = objKeys[i];
if (skipNulls && obj[key] === null) {
continue;
}
if (Array.isArray(obj)) {
values = values.concat(stringify(
obj[key],
generateArrayPrefix(prefix, key),
generateArrayPrefix,
strictNullHandling,
skipNulls,
encoder,
filter,
sort,
allowDots,
serializeDate,
formatter,
encodeValuesOnly
));
} else {
values = values.concat(stringify(
obj[key],
prefix + (allowDots ? '.' + key : '[' + key + ']'),
generateArrayPrefix,
strictNullHandling,
skipNulls,
encoder,
filter,
sort,
allowDots,
serializeDate,
formatter,
encodeValuesOnly
));
}
}
return values;
};
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;
var encode = typeof options.encode === 'boolean' ? options.encode : defaults.encode;
var encoder = typeof options.encoder === 'function' ? options.encoder : defaults.encoder;
var sort = typeof options.sort === 'function' ? options.sort : null;
var allowDots = typeof options.allowDots === 'undefined' ? false : options.allowDots;
var serializeDate = typeof options.serializeDate === 'function' ? options.serializeDate : defaults.serializeDate;
var encodeValuesOnly = typeof options.encodeValuesOnly === 'boolean' ? options.encodeValuesOnly : defaults.encodeValuesOnly;
if (typeof options.format === 'undefined') {
options.format = formats.default;
} else if (!Object.prototype.hasOwnProperty.call(formats.formatters, options.format)) {
throw new TypeError('Unknown format option provided.');
}
var formatter = formats.formatters[options.format];
var objKeys;
var filter;
if (typeof options.filter === 'function') {
filter = options.filter;
obj = filter('', obj);
} else if (Array.isArray(options.filter)) {
filter = options.filter;
objKeys = filter;
}
var keys = [];
if (typeof obj !== 'object' || obj === null) {
return '';
}
var arrayFormat;
if (options.arrayFormat in arrayPrefixGenerators) {
arrayFormat = options.arrayFormat;
} else if ('indices' in options) {
arrayFormat = options.indices ? 'indices' : 'repeat';
} else {
arrayFormat = 'indices';
}
var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];
if (!objKeys) {
objKeys = Object.keys(obj);
}
if (sort) {
objKeys.sort(sort);
}
for (var i = 0; i < objKeys.length; ++i) {
var key = objKeys[i];
if (skipNulls && obj[key] === null) {
continue;
}
keys = keys.concat(stringify(
obj[key],
key,
generateArrayPrefix,
strictNullHandling,
skipNulls,
encode ? encoder : null,
filter,
sort,
allowDots,
serializeDate,
formatter,
encodeValuesOnly
));
}
return keys.join(delimiter);
};
|