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import { bench, run, group } from "mitata";

const SET_SIZE = 100_000;
const ITER_COUNT = 100_000;

/**
 * @param size {number}
 * @returns {Set<{ n: number }>}
 */
function sampleSet(size) {
  return new Set(Array.from({ length: size }, (_, i) => ({ n: i })));
}

group(`a.size = ${SET_SIZE}, 1 time`, () => {
  const a = sampleSet(SET_SIZE);

  bench("[...a]", () => {
    [...a];
  });

  bench("Array.from(a)", () => {
    Array.from(a);
  });

  bench("new Set(a)", () => {
    new Set(a);
  });
});

group(`a.size = 1, ${ITER_COUNT} times`, () => {
  const a = sampleSet(1);

  bench("[...a]", () => {
    for (let i = 0; i < ITER_COUNT; i++) {
      [...a];
    }
  });

  bench("Array.from(a)", () => {
    for (let i = 0; i < ITER_COUNT; i++) {
      Array.from(a);
    }
  });

  bench("new Set(a)", () => {
    for (let i = 0; i < ITER_COUNT; i++) {
      new Set(a);
    }
  });
});

await run();