fix: use stat instead of statSync (#14)

.github/workflows/nodejs.yml

@@ -8,10 +8,12 @@ on:
     branches:
       - main
       - master
+      - 1.x
   pull_request:
     branches:
       - main
       - master
+      - 1.x
 
 jobs:
   build:

.github/workflows/release.yml

@@ -2,7 +2,7 @@ name: Release
 
 on:
   push:
-    branches: [ master ]
+    branches: [ master, 1.x ]
 
 jobs:
   release:

lib/object.js

@@ -1,4 +1,5 @@
 const fs = require('fs');
+const { stat } = require('fs/promises');
 const is = require('is-type-of');
 const copy = require('copy-to');
 const path = require('path');
@@ -59,12 +60,12 @@ proto.put = async function put(name, file, options) {
   if (Buffer.isBuffer(file)) {
     content = file;
   } else if (is.string(file)) {
-    const stats = fs.statSync(file);
+    const stats = await stat(file);
     if (!stats.isFile()) {
       throw new Error(`${file} is not file`);
     }
     options.mime = options.mime || mime.getType(path.extname(file));
-    options.contentLength = await this._getFileSize(file);
+    options.contentLength = stats.size;
     const getStream = () => fs.createReadStream(file);
     const putStreamStb = (objectName, makeStream, configOption) => {
       return this.putStream(objectName, makeStream(), configOption);