7820380e
 “wangming”
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// based on the qs module, but handles null objects as expected
// fixes by Tomas Pollak.
var toString = Object.prototype.toString;
function stringify(obj, prefix) {
if (prefix && (obj === null || typeof obj == 'undefined')) {
return prefix + '=';
} else if (toString.call(obj) == '[object Array]') {
return stringifyArray(obj, prefix);
} else if (toString.call(obj) == '[object Object]') {
return stringifyObject(obj, prefix);
} else if (toString.call(obj) == '[object Date]') {
return obj.toISOString();
} else if (prefix) { // string inside array or hash
return prefix + '=' + encodeURIComponent(String(obj));
} else if (String(obj).indexOf('=') !== -1) { // string with equal sign
return String(obj);
} else {
throw new TypeError('Cannot build a querystring out of: ' + obj);
}
};
function stringifyArray(arr, prefix) {
var ret = [];
for (var i = 0, len = arr.length; i < len; i++) {
if (prefix)
ret.push(stringify(arr[i], prefix + '[]'));
else
ret.push(stringify(arr[i]));
}
return ret.join('&');
}
function stringifyObject(obj, prefix) {
var ret = [];
Object.keys(obj).forEach(function(key) {
ret.push(stringify(obj[key], prefix
? prefix + '[' + encodeURIComponent(key) + ']'
: encodeURIComponent(key)));
})
return ret.join('&');
}
exports.build = stringify;
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