titleCase

Converts text from common word boundaries into readable title case.

Code

titleCase.ts

const words = (value: string): string[] => {
  return value
    .replace(/([\p{Ll}\d])(\p{Lu}(?=\p{Ll}))/gu, "$1 $2")
    .replace(/(\p{Lu}+)(\p{Lu}\p{Ll})/gu, "$1 $2")
    .match(/[\p{L}\p{N}]+/gu) ?? [];
};

/** Converts text from common word boundaries into title case. */
export const titleCase = (value: string): string => {
  return words(value)
    .map((word) => {
      const lower = word.toLocaleLowerCase();
      return lower.charAt(0).toLocaleUpperCase() + lower.slice(1);
    })
    .join(" ");
};

Download

wget

Terminal

wget -O src/lib/titleCase.ts https://raw.githubusercontent.com/jrTilak/lazykit/HEAD/registry/functions/titleCase.ts

degit

Terminal

temp_dir="$(mktemp -d)" && bunx degit jrTilak/lazykit/registry/functions "$temp_dir" && mv "$temp_dir/titleCase.ts" src/lib/titleCase.ts && rm -r "$temp_dir"

Examples

titleCase.example.ts

import { titleCase } from "./titleCase";

const heading = titleCase("HTTPResponse_code");
// "Http Response Code"

Props

• value (string) — Text containing common word boundaries.
• Returns capitalized words separated by spaces.