| 1 | // Copyright 2016 Luca-SAS, licensed under the Apache License 2.0
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| 2 |
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| 3 | ;
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| 4 |
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| 5 | module.exports = function sizeof(obj) {
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| 6 | var size = 0;
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| 7 |
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| 8 | function sizeOf(obj) {
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| 9 | var i;
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| 10 | if (obj === undefined || obj === null) return size;
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| 11 | switch (typeof obj) {
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| 12 | case 'number':
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| 13 | size += 8;
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| 14 | break;
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| 15 | case 'string':
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| 16 | size += obj.length * 2;
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| 17 | break;
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| 18 | case 'boolean':
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| 19 | size += 4;
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| 20 | break;
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| 21 | case 'object':
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| 22 | if (obj instanceof Array) {
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| 23 | size += 8 * obj.length;
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| 24 | for (i = 0; i < obj.length; i++) sizeOf(obj[i]);
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| 25 | } else {
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| 26 | for (i in obj) {
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| 27 | size += i.length * 2;
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| 28 | sizeOf(obj[i]);
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| 29 | }
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| 30 | }
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| 31 | break;
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| 32 | }
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| 33 | return size;
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| 34 | }
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| 35 | return sizeOf(obj);
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| 36 | };
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