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