First commit of os-league-tools-master

os-league-tools-master/src/util/xpAndLevelConversions.js

@@ -0,0 +1,21 @@
+export const LEVEL_99_XP = 13034431;
+
+export function levelToExperience(level) {
+  let sum = 0;
+  for (let i = 1; i < level; i++) {
+    sum += Math.floor(i + 300 * 2 ** (i / 7));
+  }
+  return Math.floor(0.25 * sum);
+}
+
+export function experienceToLevel(experience) {
+  let level = 0;
+  for (let i = 1; i <= 126; i++) {
+    if (levelToExperience(i + 1) > experience) {
+      level = i;
+      break;
+    }
+  }
+
+  return level;
+}