1 files changed, 17 insertions, 0 deletions
diff --git a/src/services/file_size_format/file_size_format.js b/src/services/file_size_format/file_size_format.js
new file mode 100644
index 00000000..add56ee0
--- /dev/null
+++ b/src/services/file_size_format/file_size_format.js
@@ -0,0 +1,17 @@
+const fileSizeFormat = (num) => {
+  var exponent
+  var unit
+  var units = ['B', 'KiB', 'MiB', 'GiB', 'TiB']
+  if (num < 1) {
+    return num + ' ' + units[0]
+  }
+
+  exponent = Math.min(Math.floor(Math.log(num) / Math.log(1024)), units.length - 1)
+  num = (num / Math.pow(1024, exponent)).toFixed(2) * 1
+  unit = units[exponent]
+  return {num: num, unit: unit}
+}
+const fileSizeFormatService = {
+  fileSizeFormat
+}
+export default fileSizeFormatService