function isJSXAttributeKey(node) {
  return node.type === 'JSXAttribute'
    && node.name
    && node.name.type === 'JSXIdentifier'
    && node.name.name === 'key';
}
Check if node is like `key={...}` as in `<Foo key={...} />`
@param {ASTNode} node
@returns {boolean}