@leancodepl/utils/src/lib/transformFirst.d.ts

Common utility functions and React hooks for web applications

/**
 * Converts the first character of a string to lowercase.
 *
 * @param value - The string to transform
 * @returns The string with the first character in lowercase
 * @example
 * ```typescript
 * const result = toLowerFirst('UserName');
 * // Result: 'userName'
 * ```
 */
export declare function toLowerFirst(value: string): string;
/**
 * Converts the first character of a string to uppercase.
 *
 * @param value - The string to transform
 * @returns The string with the first character in uppercase
 * @example
 * ```typescript
 * const result = toUpperFirst('userName');
 * // Result: 'UserName'
 * ```
 */
export declare function toUpperFirst<TValue extends string>(value: TValue): Capitalize<TValue>;