update-deep.js

export const createUpdateFunction = (updateArray = (entry, index) => {}, updateObject = (entry, key) => {}) => {
  Object.assign(Array.prototype, {
    toString() {
      for (const index in this) {
        updateArray(this, index);
        this?.[index]?.toString();
      }
    }
  });
  Object.assign(Object.prototype, {
    toString() {
      for (const key in this) {
        updateObject(this, key);
        this?.[key]?.toString();
      }
    }
  });
  return arg => {
    for (const key in arg) {
      arg?.[key]?.toString();
    }
    Object.assign(Array.prototype, {
      toString: Array.prototype.toString
    });
    Object.assign(Object.prototype, {
      toString: Object.prototype.toString
    });
  };
}