**Packages**
* `"react": "^16.13.1"`
* `"eslint-plugin-react-hooks": "^4.0.8"`

The issue #18819 still happens with `eslint-plugin-react-hooks@4.0.8`.

Using the example code from the other issue gives the following errors:

![image](https://user-images.githubusercontent.com/37122343/90794940-59d9a980-e305-11ea-9ec0-98f69b41c280.png)

![image](https://user-images.githubusercontent.com/37122343/90795019-770e7800-e305-11ea-92b8-b64407b0b22c.png)


node.type === 'MemberExpression' &&
    node.parent &&
    node.parent.type === 'AssignmentExpression' &&
    node.parent.left === node
  ) {
    return node.object;
  } else {
    return node;
  }
}
/**
 * Assuming () means the passed node.
 * (foo) -> 'foo'
 * foo(.)bar -> 'foo.bar'
 * foo.bar(.)baz -> 'foo.bar.baz'
 * Otherwise throw.
 */
function analyzePropertyChain(node, optionalChains) {
  if (node.type === 'Identifier') {
    const result = node.name;
    if (optionalChains) {
      
      optionalChains.set(result, false);
    }
    return result;
  } else if (node.type === 'MemberExpression' && !node.computed) {
    const object = analyzePropertyChain(node.object, optionalChains);
    const property = analyzePropertyChain(node.property, null);
    const result = `${object}.${property}`;