// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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var stringifyPrimitive = function(v) {
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switch (typeof v) {
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case 'string':
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return v;
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case 'boolean':
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return v ? 'true' : 'false';
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case 'number':
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return isFinite(v) ? v : '';
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default:
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return '';
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}
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};
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module.exports = function(obj, sep, eq, name) {
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sep = sep || '&';
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eq = eq || '=';
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if (obj === null) {
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obj = undefined;
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}
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if (typeof obj === 'object') {
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return map(objectKeys(obj), function(k) {
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var ks = encodeURIComponent(stringifyPrimitive(k)) + eq;
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if (isArray(obj[k])) {
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return map(obj[k], function(v) {
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return ks + encodeURIComponent(stringifyPrimitive(v));
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}).join(sep);
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} else {
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return ks + encodeURIComponent(stringifyPrimitive(obj[k]));
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}
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}).join(sep);
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}
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if (!name) return '';
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return encodeURIComponent(stringifyPrimitive(name)) + eq +
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encodeURIComponent(stringifyPrimitive(obj));
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};
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var isArray = Array.isArray || function (xs) {
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return Object.prototype.toString.call(xs) === '[object Array]';
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};
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function map (xs, f) {
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if (xs.map) return xs.map(f);
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var res = [];
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for (var i = 0; i < xs.length; i++) {
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res.push(f(xs[i], i));
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}
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return res;
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}
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var objectKeys = Object.keys || function (obj) {
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var res = [];
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for (var key in obj) {
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if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key);
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}
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return res;
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};
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