propName.js

/**
 * Returns the name of the prop given the JSXAttribute object.
 */
export default function propName(prop = {}) {
  if (!prop.type || prop.type !== 'JSXAttribute') {
    throw new Error('The prop must be a JSXAttribute collected by the AST parser.');
  }

  if (prop.name.type === 'JSXNamespacedName') {
    return `${prop.name.namespace.name}:${prop.name.name.name}`;
  }

  return prop.name.name;
}