Function memoize

test/util.ts:95–104

(originalFunction: any)

}

const memoize = (originalFunction: any) => {
    const memoized = new WeakMap();
    return function (this: any, ...args: any[]): any {
        if (!memoized.has(this)) {
            memoized.set(this, originalFunction.apply(this, args));
        }

        return memoized.get(this);
    };
};

export class ExecutionError extends Error {
    public name = "ExecutionError";