@dhrumilgor/strkit/index.js

strkit is a lightweight and efficient JavaScript utility library for common string operations. It provides essential functions like capitalization, string reversal, and camel case conversion—perfect for simplifying text manipulations in your projects

function capitalizeFirst(str) {
    if (!str) {
        throw new Error("String is required.");
    }
    return str.charAt(0).toUpperCase() + str.slice(1);
}

function reverseString(str) {
    if (!str) {
        throw new Error("String is required.");
    }
    return str.split('').reverse().join('');
}

function toCamelCase(str) {
    if (!str) {
        throw new Error("String is required.");
    }
    return str.replace(/([-_][a-z])/g, group => group.toUpperCase().replace('-', '').replace('_', ''));
}
function capitalizeAll(str) {
    if (!str) {
        throw new Error("String is required.");
    }
    return str.toUpperCase();
}

function capitalizeFirstWords(str) {
    if (!str) {
        throw new Error("String is required.");
    }
    return str.split(' ').map(word => word.charAt(0).toUpperCase() + word.slice(1)).join(' ');
}

function strKitReplace(str, find, replace) {
    if (!str || !find || !replace) {
        throw new Error("All parameters (str, find, replace) are required.");
    }
    return str.replace(find, replace);
}

function generateRandomString(length = 10) {
    if (isNaN(length)) {
        throw new Error("Invalid input: length must be numbers.");
    }

    const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    let result = '';
    for (let i = 0; i < length; i++) {
        result += characters.charAt(Math.floor(Math.random() * characters.length));
    }
    return result;
}

function generateRandomNumber(min = 0, max = 100) {
    min = Number(min);
    max = Number(max);
    
    if (isNaN(min) || isNaN(max)) {
        throw new Error("Invalid input: min and max must be numbers.");
    }

    return Math.floor(Math.random() * (max - min + 1)) + min;
}

function concatWithSign(array, sign = ' ') {
    if (!Array.isArray(array)) {
        throw new Error('Input must be an array');
    }
    return array.join(sign);
}

function sumArray(numbers) {
    if (!Array.isArray(numbers)) {
        throw new Error('Input must be an array');
    }
    return numbers.reduce((sum, num) => Number.isInteger(num) ? sum + num : sum, 0);
}

module.exports = { capitalizeFirst, reverseString, toCamelCase, capitalizeAll, capitalizeFirstWords, strKitReplace, generateRandomString, generateRandomNumber, concatWithSign,sumArray };