ef.js

Declarative DOM helper experiment

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/// <reference lib="dom" />
import { GlobalRegistrator } from "@happy-dom/global-registrator";
import { baseline, bench, run, group } from "mitata";

import { attr, effect, el, signal } from "../../esm/es2019/ef.js";

GlobalRegistrator.register();

group("[DOM] Element creation", () => {
  baseline("Manual DOM methods", () => {
    const button = document.createElement("button");
    button.textContent = "Button";
    button.setAttribute("aria-disabled", "false");

    const div = document.createElement("div");
    div.appendChild(button);
  });

  bench("Manual DOM (innerHTML)", () => {
    const div = document.createElement("div");
    div.innerHTML = `<button aria-disabled="false">Button</button>`;
  });

  bench("Without Signal", () => {
    el("div", [], [el("button", [attr("aria-disabled", "false")], ["Button"])]);
  });

  bench("With Signal", () => {
    effect(() => {
      el(
        "div",
        [],
        [el("button", [attr("aria-disabled", signal("false"))], ["Button"])],
      );
    }).dispose();
  });
});

await run();

GlobalRegistrator.unregister();