How to use

omit

function

in

Object

static parsePostParams(post={}) {
    let form, formData, sortedPost;
    if (post.embed && typeof post.embed !== 'string') {
      formData = post;
      post = _.omit(post,'embed');
    } else if (!_(post).isEmpty()) {
      form = post;
    }
    sortedPost = _(post).omit(_.isUndefined).omit(_.isNull).sortBy((val, key) => key).toString();
    return {form, formData, sortedPost};
  }

_(cmdArgs)
        .omit(_.isUndefined)
        .omit(_.isNull)
        .mapValues((property)=>{ 
          return  property === 'true'  ? true  :
              property === 'false' ? false :
                          property
        }).value()

 'timestamp': this.message.timestamp
})
.omit(
 (value) => { return _.isUndefined(value) || _.isNull(value); }

/**
  * Zmiana parametrów API w string
  * @param {Object} base
  * @param {Object} api parametry API
  */
  static parseApi(base, api) {
    let keys;
    _.assign(base, api);
    keys = _(base).omit(_.isUndefined).omit(_.isNull).keys();
    return _(keys).reduce((memo, key, index) => {
      return memo + key + ',' + base[key] + (index === keys.length - 1 ? '' : ',');
    }, '');
  }