Release Archive Tools 0.2.0

src/archive/checksums.ts

@@ -1,25 +1,17 @@
-const table = (() => {
-  const values = new Uint32Array(256);
-  for (let index = 0; index < values.length; index += 1) {
-    let value = index;
-    for (let bit = 0; bit < 8; bit += 1)
-      value = value & 1 ? 0xedb88320 ^ (value >>> 1) : value >>> 1;
-    values[index] = value >>> 0;
-  }
-  return values;
-})();
+import {
+  crc32 as sharedCrc32,
+  formatChecksum,
+} from "@add-ideas/toolbox-helpers";
+import { ARCHIVE_LIMITS } from "./limits";
 
 export function crc32(bytes: Uint8Array): number {
-  let value = 0xffffffff;
-  for (const byte of bytes)
-    value = table[(value ^ byte) & 0xff]! ^ (value >>> 8);
-  return (value ^ 0xffffffff) >>> 0;
+  return sharedCrc32(bytes, ARCHIVE_LIMITS.maxExpandedBytes);
 }
 
 export function crc32Hex(bytes: Uint8Array): string {
-  return crc32(bytes).toString(16).padStart(8, "0");
+  return formatChecksum(crc32(bytes));
 }
 
 export function uint32Hex(value: number): string {
-  return (value >>> 0).toString(16).padStart(8, "0");
+  return formatChecksum(value >>> 0);
 }