Type Alias FirstLetterLowercase<T>

FirstLetterLowercase: T extends `${infer First}${infer Rest}`
? `${Lowercase<First>}${Rest}`
: T

Makes only the first letter of a string type lowercase while preserving the case of the rest.

Type Parameters

T extends string

Example

import {FirstLetterLowercase} from '@augment-vir/common';
type Example1 = FirstLetterLowercase<'HelloWorld'>; // 'helloWorld'
type Example2 = FirstLetterLowercase<'HELLO'>; // 'hELLO'
type Example3 = FirstLetterLowercase<'a'>; // 'a'
type Example4 = FirstLetterLowercase<''>; // ''

Package

@augment-vir/common