recursive promise

sample.js

const recursivify = (api, params, accumurator, condition) => {
  const exec = (acc) => {
    return new Promise((resolve, reject) => {
      api(params, resolve, reject);
    })
    .then((v) => {
      return Promise.resolve(accumurator(acc, v));
    },
    () => {
      return Promise.resolve(acc);
    });
  }

  const recursiveHandler = (acc) => {
    if (condition(acc)){
      return Promise.resolve(acc);
    } else {
      return exec(acc).then(recursiveHandler);
    }
  }
  return exec().then(recursiveHandler)
}

var i = 0;
const myApi = (params, resolve, reject) => {
  setTimeout(() => {
    resolve(i++);
  },100);
}

const myAccumurator = (acc, val) => {
  if (!acc) {
    return [val];
  } else {
    return acc.concat(val);
  }
}

recursivify(myApi, {}, myAccumurator, (acc) => acc.length > 10).then(function(v){console.log(v)});