utilcn
libcapitalizesource: ok · hit
Capitalize
Capitalize the first letter of a string.
npx shadcn add "https://utilcn.dev/r/capitalize.json"free
Interaction
text-animation
Tags auto-generated by rules on 9/24/2026 — empty means no evidence, not lack of support.
Files1 · source cached 10/11/2026, 6:02:19 PM
registry/default/strings/capitalize.ts
/**
* Capitalizes the first character of a string.
*
* @param str - The input string.
* @returns The string with the first character uppercased.
*
* @example
* capitalize("typescript"); // "Typescript"
*/
export function capitalize(str: string): string {
if (!str) return '';
return str.charAt(0).toUpperCase() + str.slice(1);
}