app.js

var createError = require("http-errors");
var express = require("express");
var path = require("path");
var cookieParser = require("cookie-parser");
var logger = require("morgan");
var cors = require("cors");

var checkspellRouter = require("./routes/checkspell").router;
var pingRouter = require("./routes/ping");

var app = express();

app.use(cors());
app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));

app.use("/checkspell", checkspellRouter);
app.use("/api/spell-check", checkspellRouter);
app.use("/ping", pingRouter);
app.use("/metrics", pingRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render("error");
});

module.exports = app;