Function memoize3

packages/utils/src/memoize.ts:44–79

(fn: F)

}

export function memoize3<F extends (a1: any, a2: any, a3: any) => any>(fn: F): F {
  const memoize3Cache: WeakMap<
    Record<string, any>,
    WeakMap<Record<string, any>, any>
  > = new WeakMap();
  return function memoized(a1: any, a2: any, a3: any) {
    let cache2 = memoize3Cache.get(a1);
    if (!cache2) {
      cache2 = new WeakMap();
      memoize3Cache.set(a1, cache2);
      const cache3 = new WeakMap();
      cache2.set(a2, cache3);
      const newValue = fn(a1, a2, a3);
      cache3.set(a3, newValue);
      return newValue;
    }

    let cache3 = cache2.get(a2);
    if (!cache3) {
      cache3 = new WeakMap();
      cache2.set(a2, cache3);
      const newValue = fn(a1, a2, a3);
      cache3.set(a3, newValue);
      return newValue;
    }

    const cachedValue = cache3.get(a3);
    if (cachedValue === undefined) {
      const newValue = fn(a1, a2, a3);
      cache3.set(a3, newValue);
      return newValue;
    }

    return cachedValue;
  } as F;
}

export function memoize4<F extends (a1: any, a2: any, a3: any, a4: any) => any>(fn: F): F {
  const memoize4Cache: WeakMap<