Rules for switchboard

rule.ts

class Rule {
  private operations: Array<any>;

  constructor() {
    this.operations = [];
  }

  filter(options): Rule {
    this.operations.push({ action: 'filter', options });
    return this;
  }

  store(options): Rule {
    this.operations.push({ action: 'store', options });
    return this;
  }

  send(options): Rule {
    this.operations.push({ action: 'send', options });
    return this;
  }
}

const rule = () => new Rule();

rule().filter({ to: "outpostr.com" }).send({ adapter: "outpostr" });
rule().filter({ from: "outpostr.com" }).send({ adapter: "mailgun" });

rule().filter({ from: "antonvolkoff.com" }).send({ adapter: "mailgun" });
rule().filter({ to: "antonvolkoff.com" }).send({ adapter: "outpostr" });