index.js

const { mergeData } = require("../dist/lib.common");
const { Suite } = require("benchmark");

let mergeSuite = new Suite("mergeData", {
  onCycle(e) {
    console.log(e.target.toString());
  },
});

let tests = [];

tests.push(function basic() {
  mergeData(
    {
      staticClass: "btn",
      class: { "btn-primary": true },
    },
    { class: ["btn-block"] }
  );
});

tests.push(function multi() {
  mergeData(
    { style: { position: "absolute" } },
    { style: "position: relative; left:0;right:50% ;" },
    { staticClass: "btn", class: { "btn-primary": true } },
    { class: ["btn-block"] },
    { on: { click() {}, mouseup() {} } },
    { on: { click() {}, mouseup() {} } },
    { class: { "text-center": true } }
  );
});

for (const fn of tests) {
  mergeSuite.add(fn.name, fn);
}

mergeSuite.run();