human readable RATE and ETA

lib/node-progress.js

@@ -142,10 +142,9 @@ ProgressBar.prototype.render = function (tokens, force) {
     .replace(':current', this.curr)
     .replace(':total', this.total)
     .replace(':elapsed', isNaN(elapsed) ? '0.0' : (elapsed / 1000).toFixed(1))
-    .replace(':eta', (isNaN(eta) || !isFinite(eta)) ? '0.0' : (eta / 1000)
-      .toFixed(1))
+    .replace(':eta', this.humanETA(eta))
     .replace(':percent', percent.toFixed(0) + '%')
-    .replace(':rate', Math.round(rate));
+    .replace(':rate', this.humanFileSize(rate));
 
   /* compute the available space (non-zero) for the bar */
   var availableSpace = Math.max(0, this.stream.columns - str.replace(':bar', '').length);
@@ -234,3 +233,31 @@ ProgressBar.prototype.terminate = function () {
     this.stream.write('\n');
   }
 };
+
+ProgressBar.prototype.humanFileSize = function(size) {
+  var i = size == 0 ? 0 : Math.floor( Math.log(size) / Math.log(1024) );
+  return ( size / Math.pow(1024, i) ).toFixed(2) + ' ' + ['B', 'kB', 'MB', 'GB', 'TB'][i] + '/s';
+}
+
+ProgressBar.prototype.humanETA = function(ms) {
+  if(!isFinite(ms)) return 0+'ms'
+  if (ms < 0) ms = -ms;
+  if(ms===0) return 'done'
+  if(ms<1000) return parseInt(ms)+'ms'
+  const time = {
+    day: Math.floor(ms / 86400000),
+    hour: Math.floor(ms / 3600000) % 24,
+    minute: Math.floor(ms / 60000) % 60,
+    s: Math.floor(ms / 1000) % 60
+  };
+  return Object.entries(time)
+    .filter(val => val[1] !== 0)
+    .map(val => {
+      if(val[0] !== 's') {
+        return val[1] + ' ' + (val[1] !== 1 ? val[0] + 's' : val[0])
+      } else {
+        return val[1] + 's'
+      }
+    })
+    .join(' ');
+  };