@alegendstale/holly-components/dist/decorators/ExposeParts.js

Reusable UI components created using lit

class n {
  constructor(t, r, s) {
    this.host = t, this.getValue = r, this.normalizedMap = {}, t.addController(this);
    for (const e of s)
      typeof e == "string" ? this.normalizedMap[e] = e : Object.assign(this.normalizedMap, e);
  }
  hostUpdated() {
    const t = this.getValue();
    t !== this.lastValue && (this.lastValue = t, this._apply());
  }
  /** Applies the parts in the map to the relevant elements. */
  _apply() {
    const t = this.host.shadowRoot;
    if (t)
      for (const [r, s] of Object.entries(this.normalizedMap)) {
        const e = t.querySelectorAll(r), i = this._prefix(s);
        for (const a of e)
          a.getAttribute("part") !== i && a.setAttribute("part", i);
      }
  }
  /** Sanitizes name (removes CSS selectors), and prefixes partName */
  _prefix(t) {
    return `__${t.replace(/[.#]/g, "")}`;
  }
}
function l(o) {
  return (t, r) => {
    t.constructor.addInitializer((e) => {
      new n(
        e,
        () => e[r],
        o
      );
    });
  };
}
export {
  l as exposeParts
};