Method add

packages/zod/src/v4/core/registries.ts:33–43

(
    schema: S,
    ..._meta: undefined extends Meta ? [$replace<Meta, S>?] : [$replace<Meta, S>]
  )

  _idmap: Map<string, Schema> = new Map();

  add<S extends Schema>(
    schema: S,
    ..._meta: undefined extends Meta ? [$replace<Meta, S>?] : [$replace<Meta, S>]
  ): this {
    const meta: any = _meta[0];
    this._map.set(schema, meta!);
    if (meta && typeof meta === "object" && "id" in meta) {
      this._idmap.set(meta.id!, schema);
    }
    return this as any;
  }

  clear(): this {
    this._map = new WeakMap();