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23 lines
458 B
23 lines
458 B
var MAX_UINT32 = Math.pow(2, 32);
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var getUint64 = function getUint64(uint8) {
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var dv = new DataView(uint8.buffer, uint8.byteOffset, uint8.byteLength);
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var value;
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if (dv.getBigUint64) {
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value = dv.getBigUint64(0);
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if (value < Number.MAX_SAFE_INTEGER) {
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return Number(value);
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}
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return value;
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}
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return dv.getUint32(0) * MAX_UINT32 + dv.getUint32(4);
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};
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module.exports = {
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getUint64: getUint64,
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MAX_UINT32: MAX_UINT32
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}; |