Function _installLazyMethods

packages/zod/src/v4/classic/schemas.ts:34–68

(inst: T, group: string, methods: _LazyMethodsOf<T>)

}>;

function _installLazyMethods<T extends object>(inst: T, group: string, methods: _LazyMethodsOf<T>): void {
  const proto = Object.getPrototypeOf(inst);
  let installed = _installedGroups.get(proto);
  if (!installed) {
    installed = new Set();
    _installedGroups.set(proto, installed);
  }
  if (installed.has(group)) return;
  installed.add(group);
  for (const key in methods) {
    const fn = methods[key]!;
    Object.defineProperty(proto, key, {
      configurable: true,
      enumerable: false,
      get(this: any) {
        const bound = fn.bind(this);
        Object.defineProperty(this, key, {
          configurable: true,
          writable: true,
          enumerable: true,
          value: bound,
        });
        return bound;
      },
      set(this: any, v: unknown) {
        Object.defineProperty(this, key, {
          configurable: true,
          writable: true,
          enumerable: true,
          value: v,
        });
      },
    });
  }
}

///////////////////////////////////////////
///////////////////////////////////////////