const myDevStack = {
  languages: ['TypeScript', 'JavaScript', 'C#', 'Python'],
  
  frontend: {
    frameworks: ['Angular', 'React'],
    stateManagement: ['Redux', 'RxJS'],
    styling: ['Styled-components', 'Tailwind CSS', 'CSS/SCSS'],
    coreWeb: ['HTML5', 'CSS3']
  },
  
  backend: {
    runtime: ['Node.js'],
    frameworks: ['Fastify', 'Express.js', '.NET 8'],
    auth: ['JSON Web Token'],
    database: {
      orm: ['Prisma'],
      systems: ['PostgreSQL']
    },
    architecture: ['RESTful APIs', 'Object-oriented Programming']
  },
  
  design: {
    principles: ['UX/UI', 'WCAG 2.x AA'],
    tools: ['Figma', 'Photoshop']
  },
  
  testing: {
    frameworks: ['Jest', 'Cypress', 'Jasmine'],
    methodology: ['Test-driven Development']
  },
  
  devOps: ['Git', 'Azure DevOps', 'CI/CD', 'Pipelines', 'Docker']
};

function showSkills(stack) {
    function extractValues(item) {
        // TODO - Handles arrays (flatten), objects (values), primitives.
    }
    return extractValues(stack);
}

console.log('🚀 Technical Skills:', showSkills(myDevStack));