@bare-ts/lib/dist/codec/u8-array.js

TypeScript library for BARE, a compact and simple binary-serialization format

"use strict";
import { check, reserve } from "../core/byte-cursor.js";
import { DEV, assert } from "../util/assert.js";
import { isU32 } from "../util/validator.js";
import { readUintSafe32, writeUintSafe32 } from "./primitive.js";
export function readU8Array(bc) {
  return readU8FixedArray(bc, readUintSafe32(bc));
}
export function writeU8Array(bc, x) {
  writeUintSafe32(bc, x.length);
  writeU8FixedArray(bc, x);
}
export function readU8FixedArray(bc, len) {
  return readUnsafeU8FixedArray(bc, len).slice();
}
export function writeU8FixedArray(bc, x) {
  const len = x.length;
  if (len !== 0) {
    reserve(bc, len);
    bc.bytes.set(x, bc.offset);
    bc.offset += len;
  }
}
export function readUnsafeU8FixedArray(bc, len) {
  if (DEV) {
    assert(isU32(len));
  }
  check(bc, len);
  const offset = bc.offset;
  bc.offset += len;
  return bc.bytes.subarray(offset, offset + len);
}