Doesn't work for aliases like `"@": "./"`

[melyux]

Version: 1.5.0

Steps To Reproduce

The alias in the title lets me import everything from my root with an absolute path, like import CustomText from '@/components/CustomText'.

1. Have a babel.config.js file with a module-resolver alias like '@': './'
2. Try using a relative import like import CustomText from '../../../components/CustomText'
3. See that there is no warning for the line

Link to code example:

babel.config.js:

module.exports = function (api) {
    api.cache(true)
    return {
        presets: ['babel-preset-expo'],
        plugins: [
            [
                'module-resolver',
                {
                    alias: {
                        '@': './',
                    },
                },
            ],
        ],
    }
}

The current behavior

With just the alias '@': './', the plugin doesn't detect an import like import CustomText from '../../../components/CustomText' to be invalid. But if you add another alias like '@components': './components', then it does detect the aforementioned line as invalid.

The expected behavior

It should detect relative imports as invalid.