WordPress Gutenberg How to make TextControl Required?

Question

I want to make this field required. Can anyone suggest how to do it?

<TextControl
    tagName="p"
    label="url"
    placeholder="http://"
    focus = {focus}
    className="full-width "
    value={ props.attributes.url }
    onChange={ onChangeurl }
    keepPlaceholderOnFocus= {true}
/>

Answer 1

This could possibly done using lockPostSaving

Some code example ➡ https://github.com/WordPress/gutenberg/pull/16713