redirect.js

const {adapter, redirect, response} = require("spirit").node
const route = require("spirit-router")

const redirector = () => {
  if (true) {
    return redirect("/another_page")
  }
  // both returns are equal below, can use some helper functions for creating
  // a response, just like redirect() will create a redirect response
  return response("Condition failed, didn't redirect")
  // return "Condition failed, didn't redirect"
}

const app = route.define([
  route.get("/", [], redirector),
  route.get("/another_page", "Hi from another page")
])

const http = require("http")
http.createServer(adapter(app)).listen(3000)