@cc-heart/utils/__test__/src/lib/string.test.ts

🔧 javascript common tools collection

import { unCapitalize, capitalize } from '../../../lib/string'

describe('unCapitalize', () => {
  it('Convert the first letter to lower case', () => {
    expect(unCapitalize('hello_world')).toBe('hello_world')
    expect(unCapitalize('1data')).toBe('1data')
    expect(unCapitalize('Pazzal')).toBe('pazzal')
  })
})

describe('capitalize', () => {
  it('Convert the first letter to upper case', () => {
    expect(capitalize('hello_world')).toBe('Hello_world')
    expect(capitalize('1data')).toBe('1data')
    expect(capitalize('Pazzal')).toBe('Pazzal')
  })
})