const express = require('express');
const app = express();

/* set CSP header */
app.use((req, res, next) => {
  /* allow local and CDN scripts */
  res.setHeader('Content-Security-Policy', "script-src 'self' https://cdn.sheetjs.com data: blob:;");

  /* if this is used, loading from the SheetJS CDN will fail */
  //res.setHeader('Content-Security-Policy', "script-src 'self' data: blob:;");

  /* if this is used, loading local scripts will fail */
  //res.setHeader('Content-Security-Policy', "script-src https://cdn.sheetjs.com data: blob:;");

  next();
});

/* serve folder */
app.use(express.static(__dirname));

/* start server */
app.listen(7262, () => { console.log(`Listening on port 7262`); });