import {
  u
} from "./chunk.CXZZ2LVK.js";

// src/internal/default-value.ts
var defaultValue = (propertyName = "value") => (proto, key) => {
  const ctor = proto.constructor;
  const attributeChangedCallback = ctor.prototype.attributeChangedCallback;
  ctor.prototype.attributeChangedCallback = function(name, old, value) {
    var _a;
    const options = ctor.getPropertyOptions(propertyName);
    const attributeName = typeof options.attribute === "string" ? options.attribute : propertyName;
    if (name === attributeName) {
      const converter = options.converter || u;
      const fromAttribute = typeof converter === "function" ? converter : (_a = converter == null ? void 0 : converter.fromAttribute) != null ? _a : u.fromAttribute;
      const newValue = fromAttribute(value, options.type);
      if (this[propertyName] !== newValue) {
        this[key] = newValue;
      }
    }
    attributeChangedCallback.call(this, name, old, value);
  };
};

export {
  defaultValue
};