@ou-imdt/utils/lib/toCamelCase.js

Utility library for interactive media development

/**
 * Converts a string to camel case, leaving existing uppercase.
 * @param {string} str - The string to convert.
 * @returns {string} The camel case version of the string.
 */
export default function toCamelCase(str) {
  return str
    // matches non alpha-numeric chars (ignoring first) and uppercases following char
    .replace(/(?!^)[^a-zA-Z0-9]+(.)/g, (_, char) => char.toUpperCase())
    // removes any non alphanumeric characters 
    .replace( /[^\w\s]/g, '')
    // matches first char to lowercase
    .replace(/^(.)/, (_, char) => char.toLowerCase());
}