v0-rails/lib/utils/string-utils.js

Convert React/JSX + Tailwind UI code from v0.dev to Rails ViewComponent classes and ERB templates with automatic slot detection, icon handling, and route generation

/**
 * Convert a string to snake_case
 * @param {string} str - String to convert
 * @returns {string} - Snake cased string
 */
function snakeCase(str) {
  return str
  // Add underscore before capital letters and convert to lowercase
  .replace(/([A-Z])/g, '_$1')
  // Remove leading underscore if present
  .replace(/^_/, '').toLowerCase();
}

/**
 * Convert a string to camelCase
 * @param {string} str - String to convert
 * @returns {string} - Camel cased string
 */
function camelCase(str) {
  return str
  // Convert snake_case or kebab-case to camelCase
  .replace(/[-_]([a-z])/g, (_, letter) => letter.toUpperCase());
}

/**
 * Convert a string to PascalCase
 * @param {string} str - String to convert
 * @returns {string} - Pascal cased string
 */
function pascalCase(str) {
  return str
  // Convert to camelCase first
  .replace(/[-_]([a-z])/g, (_, letter) => letter.toUpperCase())
  // Capitalize first letter
  .replace(/^([a-z])/, (_, letter) => letter.toUpperCase());
}

/**
 * Convert a string to kebab-case
 * @param {string} str - String to convert
 * @returns {string} - Kebab cased string
 */
function kebabCase(str) {
  return str
  // Add hyphen before capital letters and convert to lowercase
  .replace(/([A-Z])/g, '-$1')
  // Remove leading hyphen if present
  .replace(/^-/, '')
  // Replace underscores with hyphens
  .replace(/_/g, '-').toLowerCase();
}

/**
 * Make first letter uppercase
 * @param {string} str - String to capitalize
 * @returns {string} - Capitalized string
 */
function capitalize(str) {
  return str.charAt(0).toUpperCase() + str.slice(1);
}
module.exports = {
  snakeCase,
  camelCase,
  pascalCase,
  kebabCase,
  capitalize
};