modules.define('my-block', ['i-bem-dom'], function(provide, bemDom) {

provide(bemDom.declBlock(this.name, {
onSetMod: {
  js: {
    inited: function() {
      console.log(`I'm ready`); 
    }
  }
}
}));

});

cat my-block.js

modules.define('my-block', ['i-bem-dom'], function(provide, bemDom) {

provide(bemDom.declBlock(this.name, {
onSetMod: {
  js: {
    inited: function() {
      let count = 0;
      this._domEvents().on('click', function() {
        console.log(`I was clicked ${++count} times`);
      });
    }
  }
}
}));

});

import { withNaming } from '@bem-react/classname';
const twoDashesNaming = require('@bem/sdk.naming.presets/two-dashes');
const cn = withNaming(twoDashesNaming);