Utils Library

A library of utility functions for common operations in JavaScript and TypeScript.

Installation

You can install this library using npm:

npm install @t-alpha/utils

Functions

formatBRLCurrency

Formats a number as Brazilian Real currency.

Input:

const value = 1234.56;

Output:

const formattedValue = formatBRLCurrency(value);
console.log(formattedValue); // "R$ 1.234,56"

replaceCurrencyToNumber

Converts a Brazilian Real currency string to a number.

Input:

const currency = "R$ 1.234,56";

Output:

const numberValue = replaceCurrencyToNumber(currency);
console.log(numberValue); // 1234.56

formatCurrencyWhileTyping

Formats a string as currency while typing.

Input:

const value = "123456";

Output:

const formattedValue = formatCurrencyWhileTyping(value);
console.log(formattedValue); // "1.234,56"

getInitials

Gets the initials from a name.

Input:

const name = "John Doe";

Output:

const initials = getInitials(name);
console.log(initials); // "JD"

formatCpfWhileTyping

Formats a CPF number while typing.

Input:

const cpf = "12345678909";

Output:

const formattedCpf = formatCpfWhileTyping(cpf);
console.log(formattedCpf); // "123.456.789-09"

maskPhoneWithDDD

Masks a phone number with DDD.

Input:

const phone = "11987654321";

Output:

const maskedPhone = maskPhoneWithDDD(phone);
console.log(maskedPhone); // "(11) 98765-4321"

hideCpfOrCnpj

Hides parts of a CPF or CNPJ number.

Input:

const cpf = "12345678909";

Output:

const hiddenCpf = hideCpfOrCnpj(cpf);
console.log(hiddenCpf); // "***.456.789-**"

Input:

const cnpj = "12345678000195";

Output:

const hiddenCnpj = hideCpfOrCnpj(cnpj);
console.log(hiddenCnpj); // "**.456.***/0001-**"

formatDigitableLine

Formats a string as a digitable line.

Input:

const linha = "12345678901234567890123456789012345678901234";

Output:

const formattedLinha = formatDigitableLine(linha);
console.log(formattedLinha); // "12345.67890 12345.678901 23456.789012 3 45678901234"