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- 'use strict';
- var stringifyPrimitive = function(v) {
- switch (typeof v) {
- case 'string':
- return v;
- case 'boolean':
- return v ? 'true' : 'false';
- case 'number':
- return isFinite(v) ? v : '';
- default:
- return '';
- }
- };
- module.exports = function(obj, sep, eq, name) {
- sep = sep || '&';
- eq = eq || '=';
- if (obj === null) {
- obj = undefined;
- }
- if (typeof obj === 'object') {
- return map(objectKeys(obj), function(k) {
- var ks = encodeURIComponent(stringifyPrimitive(k)) + eq;
- if (isArray(obj[k])) {
- return map(obj[k], function(v) {
- return ks + encodeURIComponent(stringifyPrimitive(v));
- }).join(sep);
- } else {
- return ks + encodeURIComponent(stringifyPrimitive(obj[k]));
- }
- }).join(sep);
- }
- if (!name) return '';
- return encodeURIComponent(stringifyPrimitive(name)) + eq +
- encodeURIComponent(stringifyPrimitive(obj));
- };
- var isArray = Array.isArray || function (xs) {
- return Object.prototype.toString.call(xs) === '[object Array]';
- };
- function map (xs, f) {
- if (xs.map) return xs.map(f);
- var res = [];
- for (var i = 0; i < xs.length; i++) {
- res.push(f(xs[i], i));
- }
- return res;
- }
- var objectKeys = Object.keys || function (obj) {
- var res = [];
- for (var key in obj) {
- if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key);
- }
- return res;
- };
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