"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
// https://github.com/feross/buffer/blob/master/index.js#L1127
function verifuint(value, max) {
    if (typeof value !== 'number')
        throw new Error('cannot write a non-number as a number');
    if (value < 0)
        throw new Error('specified a negative value for writing an unsigned value');
    if (value > max)
        throw new Error('RangeError: value out of range');
    if (Math.floor(value) !== value)
        throw new Error('value has a fractional component');
}
function readUInt64LE(buffer, offset) {
    const a = buffer.readUInt32LE(offset);
    let b = buffer.readUInt32LE(offset + 4);
    b *= 0x100000000;
    verifuint(b + a, 0x001fffffffffffff);
    return b + a;
}
exports.readUInt64LE = readUInt64LE;
function writeUInt64LE(buffer, value, offset) {
    verifuint(value, 0x001fffffffffffff);
    buffer.writeInt32LE(value & -1, offset);
    buffer.writeUInt32LE(Math.floor(value / 0x100000000), offset + 4);
    return offset + 8;
}
exports.writeUInt64LE = writeUInt64LE;
function reverseBuffer(buffer) {
    if (buffer.length < 1)
        return buffer;
    let j = buffer.length - 1;
    let tmp = 0;
    for (let i = 0; i < buffer.length / 2; i++) {
        tmp = buffer[i];
        buffer[i] = buffer[j];
        buffer[j] = tmp;
        j--;
    }
    return buffer;
}
exports.reverseBuffer = reverseBuffer;