Move format_filesize to the visualize.js

The only user of format_filesize is visualize.js, move the code there to
reduce archewb.js which is loaded on multiple pages.

1 files changed, 16 insertions, 0 deletions

diff --git a/visualize/static/visualize.js b/visualize/static/visualize.js
index 5254c26b..47d75f6e 100644
--- a/visualize/static/visualize.js
+++ b/visualize/static/visualize.js
@@ -1,3 +1,19 @@
+function format_filesize(size, decimals) {
+    /*var labels = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];*/
+    var labels = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
+        label = 0;
+
+    while (size > 2048.0 && label < labels.length - 1) {
+        label++;
+        size /= 1024.0;
+    }
+    if (decimals === undefined) {
+        decimals = 2;
+    }
+
+    return size.toFixed(decimals) + ' ' + labels[label];
+}
+
 function packages_treemap(chart_id, orderings, default_order) {
     var jq_div = jQuery(chart_id),
         color = d3.scale.category20();