'Functional version' broke, cba to fix :)

lib/helpers.ts

@@ -9,6 +9,7 @@ type PickRandom = <T>(arr: T[]) => T;
 export const pickRandom: PickRandom = (arr) =>
   arr[Math.floor(Math.random() * arr.length)];
 
+// @ts-ignore
 export const setProp = (prop, val) => (obj) => obj[prop] = val;
 
 type IsLive = (tank: ITank) => boolean;
@@ -21,6 +22,7 @@ export const isReadyToAttack = (tank: ITank) => tank.attackDelay === 0;
 
 type DealDamageToRandom = (tanks: ITank[]) => (tank: ITank) => void;
 export const dealDamageToRandom: DealDamageToRandom = (tanks) => (tank) => {
+    console.log("hp");
     const target = pipe(filterR(isOther(tank.name)), pickRandom)(tanks);
     const attackDamage = critMultiplier(tank.health) * tank.health / 100;
     setProp("health", target.health - attackDamage)(target);