@opengis/bi/server/plugins/docs.js

BI data visualization module

import path, { dirname } from 'path';
import { fileURLToPath } from 'url';
import fs from 'fs';

const dir = dirname(fileURLToPath(import.meta.url));
const root = `${dir}/../../`;

async function plugin(fastify, opts) {
  fastify.get('/docs*', async (req, reply) => {
    if (!fs.existsSync(path.join(root, 'docs/.vitepress/dist/'))) {
      return reply.status(404).send('docs not exists');
    }

    const { params } = req;
    const url = params['*'];

    const filePath =
      url && url[url.length - 1] !== '/'
        ? path.join(root, 'docs/.vitepress/dist/', url)
        : path.join(root, 'docs/.vitepress/dist/', url, 'index.html');

    if (!fs.existsSync(filePath)) {
      return reply.status(404).send('File not found');
    }

    const ext = path.extname(filePath);
    const mime = {
      '.js': 'text/javascript',
      '.css': 'text/css',
      '.woff2': 'application/font-woff',
      '.png': 'image/png',
      '.svg': 'image/svg+xml',
      '.jpg': 'image/jpg',
      '.html': 'text/html',
      '.json': 'application/json',
      '.pdf': 'application/pdf',
    }[ext];

    const stream = fs.createReadStream(filePath);
    stream.on('error', (err) => {
      reply.status(500).send('Error reading file');
    });

    return mime ? reply.type(mime).send(stream) : reply.send(stream);
  });
}

export default plugin;