app.js

const express = require("express");
const morgan = require("morgan");
const rateLimit = require("express-rate-limit");
const cors = require("cors");
const xss = require("xss-clean");
const bodyParser = require("body-parser");
const cookieParser = require("cookie-parser");
const userRouter = require("./routes/userRoutes");
const AppError = require("./utils/appError");
const globalErrorHandler = require("./controllers/errorController");
const blogRouter = require("./routes/blogRoutes");
const commentRouter = require("./routes/commentRoutes");
const app = express();

const corsConfig = {
  origin: true,
  credentials: true,
};

app.use(cors(corsConfig));
app.options("*", cors(corsConfig));
// app.options("*", cors());

if (process.env.NODE_ENV === "development") {
  app.use(morgan("dev"));
}

const limiter = rateLimit({
  max: 1000,
  windowMs: 60 * 60 * 1000,
  message: "Too many requests from this IP, please try again in an hour!",
});
app.use("/api", limiter);
app.use(xss());

// Body parser, reading data from body into req.body
app.use(express.json({ limit: "10kb" }));
app.use(express.urlencoded({ extended: true, limit: "10kb" }));

app.use(cookieParser());

//ROUTE
app.use("/api/v1/comments", commentRouter);
app.use("/api/v1/users", userRouter);
app.use("/api/v1/blogs", blogRouter);

app.all("*", (req, res, next) => {
  next(new AppError(`Can't find ${req.originalUrl} on this server!`, 404));
});

app.use(globalErrorHandler);

module.exports = app;