1 files changed, 108 insertions, 0 deletions
diff --git a/src/bun.js/fs_promises.exports.js b/src/bun.js/fs_promises.exports.js
new file mode 100644
index 000000000..c1dce2291
--- /dev/null
+++ b/src/bun.js/fs_promises.exports.js
@@ -0,0 +1,108 @@
+var fs = Bun.fs();
+
+// note: this is not quite the same as how node does it
+// in some cases, node swaps around arguments or makes small tweaks to the return type
+// this is just better than nothing.
+function promisify(fsFunction) {
+  // TODO: remove variadic arguments
+  // we can use new Function() here instead
+  // based on fsFucntion.length
+  var obj = {
+    [fsFunction.name]: function (resolve, reject, args) {
+      var result;
+      try {
+        result = fsFunction.apply(fs, args);
+        args = undefined;
+      } catch (err) {
+        args = undefined;
+        reject(err);
+        return;
+      }
+
+      resolve(result);
+    },
+  };
+
+  var func = obj[fsFunction.name];
+
+  // TODO: consider @createPromiseCapabiilty intrinsic
+  return (...args) => {
+    return new Promise((resolve, reject) => {
+      func(resolve, reject, args);
+    });
+  };
+}
+
+export var access = promisify(fs.accessSync);
+export var appendFile = promisify(fs.appendFileSync);
+export var close = promisify(fs.closeSync);
+export var copyFile = promisify(fs.copyFileSync);
+export var exists = promisify(fs.existsSync);
+export var chown = promisify(fs.chownSync);
+export var chmod = promisify(fs.chmodSync);
+export var fchmod = promisify(fs.fchmodSync);
+export var fchown = promisify(fs.fchownSync);
+export var fstat = promisify(fs.fstatSync);
+export var fsync = promisify(fs.fsyncSync);
+export var ftruncate = promisify(fs.ftruncateSync);
+export var futimes = promisify(fs.futimesSync);
+export var lchmod = promisify(fs.lchmodSync);
+export var lchown = promisify(fs.lchownSync);
+export var link = promisify(fs.linkSync);
+export var lstat = promisify(fs.lstatSync);
+export var mkdir = promisify(fs.mkdirSync);
+export var mkdtemp = promisify(fs.mkdtempSync);
+export var open = promisify(fs.openSync);
+export var read = promisify(fs.readSync);
+export var write = promisify(fs.writeSync);
+export var readdir = promisify(fs.readdirSync);
+export var readFile = promisify(fs.readFileSync);
+export var readfile = readFile;
+export var writeFile = promisify(fs.writeFileSync);
+export var readlink = promisify(fs.readlinkSync);
+export var realpath = promisify(fs.realpathSync);
+export var rename = promisify(fs.renameSync);
+export var stat = promisify(fs.statSync);
+export var symlink = promisify(fs.symlinkSync);
+export var truncate = promisify(fs.truncateSync);
+export var unlink = promisify(fs.unlinkSync);
+export var utimes = promisify(fs.utimesSync);
+export var lutimes = promisify(fs.lutimesSync);
+
+export default {
+  access,
+  appendFile,
+  close,
+  copyFile,
+  exists,
+  chown,
+  chmod,
+  fchmod,
+  fchown,
+  fstat,
+  readfile,
+  fsync,
+  ftruncate,
+  futimes,
+  lchmod,
+  lchown,
+  link,
+  lstat,
+  mkdir,
+  mkdtemp,
+  open,
+  read,
+  write,
+  readdir,
+  readFile,
+  writeFile,
+  readlink,
+  realpath,
+  rename,
+  stat,
+  symlink,
+  truncate,
+  unlink,
+  utimes,
+  lutimes,
+};