bit-buffer/foobar.js

Bit-level reads and writes for ArrayBuffers

const { BitStream } = require('./bit-buffer.js');

const buffer1 = Buffer.alloc(8);
const buffer2 = Buffer.alloc(8);

buffer1.writeDoubleLE(1.0, 0);
buffer2.writeDoubleBE(1.0, 0);

const stream1 = new BitStream(buffer1.buffer, buffer1.byteOffset, buffer1.byteLength);
const stream2 = new BitStream(buffer2.buffer, buffer2.byteOffset, buffer2.byteLength);

stream1.bigEndian = false;
stream2.bigEndian = true;

console.log(stream1.readFloat64()); // 5.299808824e-315
console.log(stream2.readFloat64()); // 1