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Anyone have any suggestions on how to perform arithmetic on 64bit integers in Node.js? The node-int64 package doesn't seem to support that.
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Since JavaScript does not natively support 64-bit integers, 64-bit Ids are instead represented as strings. Strings containing 64-bit Ids are distinguished from ordinary strings through use of the Id64String type alias.
32-bit integer has range from -2147483648 ( -2^31 ) to 2147483647 ( 2^31 − 1 )
A 64-bit signed integer. It has a minimum value of -9,223,372,036,854,775,808 and a maximum value of 9,223,372,036,854,775,807 (inclusive). A 64-bit unsigned integer.
Javascript does not support 64 bit integers, because the native number type is a 64-bit double, giving only 53 bits of integer range.
You can create arrays of 32-bit numbers (i.e. Uint32Array) but if there were a 64-bit version of those there'd be no way to copy values from it into standalone variables.
There are some modules around to provide 64bit integer support:
Maybe your problem can be solved using one of those libraries.
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As of v10.4.0 NodeJS supports the BigInt type natively (see MDN BigInt docs). These support arithmetic operations too.
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