@gaonengwww/jose/dist/webapi/lib/buffer_utils.js

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

// src/lib/buffer_utils.ts
var encoder = new TextEncoder();
var decoder = new TextDecoder();
var MAX_INT32 = 2 ** 32;
function concat(...buffers) {
  const size = buffers.reduce((acc, { length }) => acc + length, 0);
  const buf = new Uint8Array(size);
  let i = 0;
  for (const buffer of buffers) {
    buf.set(buffer, i);
    i += buffer.length;
  }
  return buf;
}
function writeUInt32BE(buf, value, offset) {
  if (value < 0 || value >= MAX_INT32) {
    throw new RangeError(`value must be >= 0 and <= ${MAX_INT32 - 1}. Received ${value}`);
  }
  buf.set([value >>> 24, value >>> 16, value >>> 8, value & 255], offset);
}
function uint64be(value) {
  const high = Math.floor(value / MAX_INT32);
  const low = value % MAX_INT32;
  const buf = new Uint8Array(8);
  writeUInt32BE(buf, high, 0);
  writeUInt32BE(buf, low, 4);
  return buf;
}
function uint32be(value) {
  const buf = new Uint8Array(4);
  writeUInt32BE(buf, value);
  return buf;
}
export {
  concat,
  decoder,
  encoder,
  uint32be,
  uint64be
};