function getMeasurementKey(item) {
  return typeof item === "object" ? item.key : item;
}
function createLazyMeasurementsView(cache, flat) {
  const count = cache.length;
  return new Proxy(cache, {
    get(target, prop, receiver) {
      if (typeof prop === "string") {
        const c = prop.charCodeAt(0);
        if (c >= 48 && c <= 57) {
          const i = +prop;
          if (Number.isInteger(i) && i >= 0 && i < count) {
            let v = target[i];
            if (typeof v !== "object") {
              const s = flat[i * 2];
              v = target[i] = {
                index: i,
                key: v,
                start: s,
                size: flat[i * 2 + 1],
                end: s + flat[i * 2 + 1],
                lane: 0
              };
            }
            return v;
          }
        }
        if (prop === "length") return count;
      }
      return Reflect.get(target, prop, receiver);
    }
  });
}
export {
  createLazyMeasurementsView,
  getMeasurementKey
};
//# sourceMappingURL=lazy-measurements.js.map