automation wip

lib/util.js

@@ -0,0 +1,49 @@
+// Converts seconds to human-readable time
+String.prototype.toHHMMSS = function () {
+  let sec_num = parseInt(this, 10); // don't forget the second param
+  let hours   = Math.floor(sec_num / 3600);
+  let minutes = Math.floor((sec_num - (hours * 3600)) / 60);
+  let seconds = sec_num - (hours * 3600) - (minutes * 60);
+
+  if (hours   < 10) {hours   = "0"+hours;}
+  if (minutes < 10) {minutes = "0"+minutes;}
+  if (seconds < 10) {seconds = "0"+seconds;}
+  return hours+':'+minutes+':'+seconds;
+};
+
+var exports = module.exports = {};
+
+exports.asyncForEach = async function(array, callback) {
+  for (let index = 0; index < array.length; index++) {
+    await callback(array[index], index, array)
+  }
+};
+
+exports.range = function(start,stop) {
+  var result=[];
+  for (var idx=start.charCodeAt(0),end=stop.charCodeAt(0); idx <=end; ++idx){
+    result.push(String.fromCharCode(idx));
+  }
+  return result;
+};
+
+exports.randElement = function(arr) {
+	return arr[Math.floor(Math.random() * arr.length)];
+};
+
+exports.sum = function(e) {
+  let sum = 0;
+  for (let i = 0; i < e.length; i++) {
+    sum += parseInt(e[i], 10);
+  }
+
+  return sum;
+};
+
+exports.average = function(e) {
+  let sum = exports.sum(e);
+
+  let avg = sum / e.length;
+
+  return avg;
+};