ayanova/src/api/locale.js

@@ -228,5 +228,34 @@ export default {
     return new Intl.NumberFormat(languageName, {
       minimumFractionDigits: 2
     }).format(value);
+  },
+  ///////////////////////////////////////////
+  // Turn a file / memory size number into a local
+  // decimal format display and in reasonable human readable range
+  //
+  humanFileSize(bytes, languageName, si = false, dp = 1) {
+    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;
+    const r = 10 ** dp;
+
+    do {
+      bytes /= thresh;
+      ++u;
+    } while (
+      Math.round(Math.abs(bytes) * r) / r >= thresh &&
+      u < units.length - 1
+    );
+
+    return (
+      this.decimalLocalized(bytes.toFixed(dp), languageName) + " " + units[u]
+    );
   }
 };