display "<1 kB" for really small files

* added parameters for humanFileSize to trigger that behaviour
* add unit tests for that

1 files changed, 9 insertions, 1 deletions

diff --git a/core/js/js.js b/core/js/js.js
index cf35d8aac6a..cbe466bf11c 100644
--- a/core/js/js.js
+++ b/core/js/js.js
@@ -1163,9 +1163,10 @@ $.fn.filterAttr = function(attr_name, attr_value) {
 /**
  * Returns a human readable file size
  * @param {number} size Size in bytes
+ * @param {boolean} skipSmallSizes return '< 1 kB' for small files
  * @return {string}
  */
-function humanFileSize(size) {
+function humanFileSize(size, skipSmallSizes) {
 	var humanList = ['B', 'kB', 'MB', 'GB', 'TB'];
 	// Calculate Log with base 1024: size = 1024 ** order
 	var order = size?Math.floor(Math.log(size) / Math.log(1024)):0;
@@ -1173,6 +1174,13 @@ function humanFileSize(size) {
 	order = Math.min(humanList.length - 1, order);
 	var readableFormat = humanList[order];
 	var relativeSize = (size / Math.pow(1024, order)).toFixed(1);
+	if(skipSmallSizes === true && order === 0) {
+		if(relativeSize !== "0.0"){
+			return '< 1 kB';
+		} else {
+			return '0 kB';
+		}
+	}
 	if(order < 2){
 		relativeSize = parseFloat(relativeSize).toFixed(0);
 	}