1 files changed, 31 insertions, 0 deletions
diff --git a/node_modules/workbox-build/src/lib/get-file-size.js b/node_modules/workbox-build/src/lib/get-file-size.js
new file mode 100644
index 00000000..2b73cb09
--- /dev/null
+++ b/node_modules/workbox-build/src/lib/get-file-size.js
@@ -0,0 +1,31 @@
+/*
+  Copyright 2017 Google Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+const fs = require('fs');
+
+const errors = require('./errors');
+
+module.exports = (file) => {
+  try {
+    const stat = fs.statSync(file);
+    if (!stat.isFile()) {
+      return null;
+    }
+    return stat.size;
+  } catch (err) {
+    throw new Error(errors['unable-to-get-file-size'] + ` '${err.message}'`);
+  }
+};