app.js

import fs from "fs";
import path from "path";
import zlib from "zlib";
import koa from "koa";
import cors from "kcors";
import route from "koa-route";
import logger from "koa-logger";
import favicon from "koa-favicon";
import compress from "koa-compress";
import serve from "koa-static";
import views from "koa-views";
import bodyparser from "koa-bodyparser";
import debuglog from "debug";
import { fileURLToPath } from "url";
import { dirname } from "path";
import index from "./routes/index.js";
import recent from "./routes/recent.js";
import search from "./routes/search.js";
import share from "./routes/share.js";
import { slack, oauth } from "./routes/slack.js";
import { constants } from "zlib";

const debug = debuglog("combine.fm");

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

process.env.VUE_ENV = "server";

const app = new koa();

if (process.env.NODE_ENV === "production") {
  app.proxy = true;
}

app.use(bodyparser());
app.use(cors());
app.use(
  compress({
    filter(content_type) {
      return /text/i.test(content_type);
    },
    threshold: 2048,
    gzip: {
      flush: constants.Z_SYNC_FLUSH
    },
    deflate: {
      flush: constants.Z_SYNC_FLUSH
    },
    br: false
  })
);
app.use(favicon(path.join(__dirname, "/public/assets/images/favicon.png")));
app.use(logger());
app.use(serve("public", { maxage: 31536000000 }));

const manifest = JSON.parse(
  fs.readFileSync(path.join(__dirname, "/public/dist/manifest.json"))
);

app.use(async function(ctx, next) {
  ctx.state.manifest = manifest;
  await next();
});

app.use(
  views(path.resolve(__dirname, "./views"), {
    map: {
      html: "ejs"
    }
  })
);

app.use(route.get("/", index));
app.use(route.get("/recent", recent));
app.use(route.post("/search", search));
app.use(route.get("/:service/:type/:id.:format?", share));

app.use(route.post("/slack", slack));
app.use(route.get("/slack", slack));
app.use(route.get("/oauth", oauth));

if (process.argv[1] === __filename) {
  app.listen(process.env.PORT || 3000, () => {
    debug(`Koa HTTP server listening on port ${process.env.PORT || 3000}`);
  });
}

export default app;