Streamline size collection

alessioalex · Jul 20, 2024 · 66f2bdb · 66f2bdb
1 parent e5425d2
commit 66f2bdb
Showing 1 changed file with 6 additions and 7 deletions.
diff --git a/index.js b/index.js
@@ -13,7 +13,8 @@ getFolderSize.strict = async (itemPath, options) =>
 async function core(rootItemPath, options = {}, returnType = {}) {
  const fs = options.fs || (await import("node:fs/promises"));
 
- const fileSizes = new Map();
+ let folderSize = 0n;
+ const foundInos = new Set();
  const errors = [];
 
  await processItem(rootItemPath);
@@ -27,7 +28,10 @@ async function core(rootItemPath, options = {}, returnType = {}) {
  .lstat(itemPath, { bigint: true })
  .catch((error) => errors.push(error));
  if (typeof stats !== "object") return;
- fileSizes.set(stats.ino, stats.size);
+ if (!foundInos.has(stats.ino)) {
+ foundInos.add(stats.ino);
+ folderSize += stats.size;
+ }
 
  if (stats.isDirectory()) {
  const directoryItems = returnType.strict
@@ -44,11 +48,6 @@ async function core(rootItemPath, options = {}, returnType = {}) {
  }
  }
 
- let folderSize = Array.from(fileSizes.values()).reduce(
- (total, fileSize) => total + fileSize,
- 0n,
- );
-
  if (!options.bigint) {
  if (folderSize > BigInt(Number.MAX_SAFE_INTEGER)) {
  const error = new RangeError(