Utilisation Misc.data

module/misc.js

@@ -18,6 +18,24 @@ export class Misc {
     return isPositiveNumber ? "+" + number : number
   }
 
+  static sum() {
+    return (a, b) => a + b;
+  }
+
+  static ascending(orderFunction) {
+    return (a, b) => Misc.sortingBy(orderFunction(a), orderFunction(b));
+  }  
+
+  static descending(orderFunction) {
+    return (a, b) => Misc.sortingBy(orderFunction(b), orderFunction(a));
+  }  
+
+  static sortingBy(a, b) {
+    if (a > b) return 1;
+    if (a < b) return -1;
+    return 0;
+  }
+
   /**
    * Converts the value to an integer, or to 0 if undefined/null/not representing integer
    * @param {*} value value to convert to an integer using parseInt
@@ -55,7 +73,7 @@ export class Misc {
     }
     return itemsBy;
   }
-  
+
   static classifyInto(itemsBy, items, classifier = it => it.type, transform = it => it) {
     for (const item of items) {
       const classification = classifier(item);
@@ -72,7 +90,7 @@ export class Misc {
   }
 
   static rollOneOf(array) {
-    return array[new Roll("1d" + array.length).evaluate( { async: false} ).total - 1];
+    return array[new Roll("1d" + array.length).evaluate({ async: false }).total - 1];
   }
 
   static distinct(array) {