Run results for: Classnames vs CLSX vs classNamesCurrent vs CLSXLite - strings only

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36

Browser: Chrome 146

Operating system: Linux

Device Platform: Desktop

Date tested: 21 days ago

Test name	Executions per second
classnames	18583474.0 Ops/sec
clsx	22239026.0 Ops/sec
classNames current	6264547.0 Ops/sec
clsx lite	25984454.0 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/classnames/2.5.1/index.min.js'></script>
<script src='https://unpkg.com/clsx@2.1.1/dist/clsx.min.js'></script>
<script>
  window.classNamesCurrent = (...classes) => {
    return classes.filter(Boolean).join(" ");
  };
</script>
<script>
window.clsxLite = (...args) => {
  let result = "";
  for (let i = 0; i < args.length; i++) {
    const value = args[i];
    if (value && typeof value === "string") {
      result += (result ? " " : "") + value;
    };
  };
  return result;
};
</script>

Script Preparation code:

var str = 'style';
var condition1 = true ? 'true-string-1' : 'false-string-1';
var condition2 = true && 'true-string-2';
var condition3 = false && 'false-string-3';

Tests:

classnames
let result = window.classNames(str, condition1, condition2, condition3, 'test classname')
clsx
let result = window.clsx(str, condition1, condition2, condition3, 'test classname')
classNames current
let result = window.classNamesCurrent(str, condition1, condition2, condition3, 'test classname')
clsx lite
let result = window.clsxLite(str, condition1, condition2, condition3, 'test classname')

Run results for: Classnames vs CLSX vs classNamesCurrent vs CLSXLite - strings only

Compare CLSX vs Classnames vs classNamesCurrent vs CLSXLite - strings only

classnames

clsx

classNames current

clsx lite