strings-utils.js

const slugify = string => string.toLowerCase().replace(/\s+/g, '-').replace(/[^\w-]+/g, '');

const kebabToCamel = str => str.replace(/-./g, m => m.toUpperCase()[1]);

const camelToKebab = str => str.replace(/([a-z0-9])([A-Z])/g, '$1-$2').toLowerCase();

const toPascalCase = str => (str.match(/[a-zA-Z0-9]+/g) || [])
  .map(w => `${w.charAt(0).toUpperCase()}${w.slice(1)}`).join('');

// Examples
slugify('Chapter One: Once upon a time...');    // 'chapter-one-once-upon-a-time'
kebabToCamel('background-color');   // 'backgroundColor'
camelToKebab('backgroundColor');    // 'background-color'
toPascalCase('test-string'); // TestString