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48 lines
1.2 KiB
48 lines
1.2 KiB
2 years ago
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var isArr = require('./isArr');
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var keys = require('./keys');
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var isBuffer = require('./isBuffer');
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var isNull = require('./isNull');
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var strSize = 2;
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var boolSize = 4;
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var numSize = 8;
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exports = function(obj) {
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return sizeof(obj, {
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values: []
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});
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};
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function sizeof(obj, _ref) {
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var values = _ref.values;
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var t = typeof obj;
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if (t === 'string') return obj.length * strSize;
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if (t === 'number') return numSize;
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if (t === 'boolean') return boolSize;
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var size = 0;
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if (t === 'object' && !isNull(obj)) {
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if (values.indexOf(obj) > -1) {
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return 0;
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}
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values.push(obj);
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if (isArr(obj)) {
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for (var i = 0, len = obj.length; i < len; i++) {
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size += sizeof(obj[i], {
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values: values
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});
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}
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} else {
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var _keys = keys(obj);
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for (var _i = 0, _len = _keys.length; _i < _len; _i++) {
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var key = _keys[_i];
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size += key.length * strSize;
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size += sizeof(obj[key], {
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values: values
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});
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}
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}
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}
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if (isBuffer(obj)) return obj.length;
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return size;
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}
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module.exports = exports;
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