src/rules/label-has-for.js

import {
    hiddenFromAT
} from '../util';

export default [{
    tagName: 'label',
    msg: 'Form controls using a label to identify them must be '
     + 'programmatically associated with the control using htmlFor',
    url: 'https://www.w3.org/WAI/tutorials/forms/labels',
    test(tagName, props) {
        const hidden = hiddenFromAT(props);
        const hasfor = typeof props.htmlFor === 'string';
        return hidden || hasfor;
    }
}];


export const pass = [{
    when: 'the label is hidden',
    // eslint-disable-next-line jsx-a11y/label-has-for
    render: React => <label aria-hidden />
}, {
    when: 'the label has a valid `htmlFor` prop',
    render: React => <label htmlFor="foo" />
}, {
    when: 'it is not a label',
    render: React => <div />
}];

export const fail = [{
    when: 'a label is not hidden and has no `htmlFor`',
    // eslint-disable-next-line jsx-a11y/label-has-for
    render: React => <label />
}];

export const description = `
Enforce label tags have \`htmlFor\` attribute. Form controls using a \`label\` to
identify them must have only one label that is programmatically associated with
the control using: \`<label htmlFor={/* ID or name of control*/}>...</label>\`.
`;