Add function humanFileSize

packages/common/i18next.js

@@ -28,6 +28,22 @@ export function numberFormat(i18n, number, options) {
     return new Intl.NumberFormat(i18n.languages, options).format(number);
 }
 
+export function humanFileSize(bytes, si) {
+    const thresh = si ? 1000 : 1024;
+    if(Math.abs(bytes) < thresh) {
+        return bytes + ' B';
+    }
+    const units = si
+        ? ['kB','MB','GB','TB','PB','EB','ZB','YB']
+        : ['KiB','MiB','GiB','TiB','PiB','EiB','ZiB','YiB'];
+    let u = -1;
+    do {
+        bytes /= thresh;
+        ++u;
+    } while(Math.abs(bytes) >= thresh && u < units.length - 1);
+    return bytes.toFixed(1)+' '+units[u];
+}
+
 /**
  * Creates a new i18next instance that is fully initialized.
  *