eslint-plugin-babel/rules/func-params-comma-dangle.js

'use strict';

var isWarnedForDeprecation = false;
module.exports = function() {
    return {
        Program() {
            if (isWarnedForDeprecation || /\=-(f|-format)=/.test(process.argv.join('='))) {
              return;
            }

            /* eslint-disable no-console */
            console.log('The babel/func-params-comma-dangle rule is deprecated. Please ' +
                        'use the built in comma-dangle rule instead.');
            /* eslint-enable no-console */
            isWarnedForDeprecation = true;
        }
    };
};

module.exports.schema =  [
  {
    enum: ['always', 'always-multiline', 'only-multiline', 'never']
  }
];