Function toSentenceCase

packages/utils/src/lib/case-conversions.ts:87–97

(input: string)

 * @returns The formatted sentence case string.
 */
export function toSentenceCase(input: string): string {
  return input
    .replace(/([a-z])([A-Z])/g, '$1 $2') // Split PascalCase & camelCase
    .replace(/[_-]/g, ' ') // Replace kebab-case and snake_case with spaces
    .replace(/(\d+)/g, ' $1 ') // Add spaces around numbers
    .replace(/\s+/g, ' ') // Remove extra spaces
    .trim()
    .toLowerCase()
    .replace(/^(\w)/, match => match.toUpperCase()) // Capitalize first letter
    .replace(/\b([A-Z]{2,})\b/g, match => match); // Preserve uppercase acronyms
}

export function capitalize<T extends string>(text: T): Capitalize<T> {
  return `${text.charAt(0).toUpperCase()}${text.slice(1).toLowerCase()}` as Capitalize<T>;