serve.js

'use strict'

const serveStatic = require('serve-static')
const connect = require('connect')
const livereload = require('connect-livereload')
const lrserver = require('livereload')
const open = require('open')
const chalk = require('chalk')
const {exists, resolve} = require('../util')
const getPort = require('get-port')

module.exports = function (
  path,
  openInBrowser,
  port,
  livereloadPort,
  indexName
) {
  getPort({port})
    .then(p => {
      port = p
      return getPort({port: livereloadPort})
    })
    .then(p => {
      livereloadPort = p
    })
    .then(_ => {
      const server = connect();
      server.use(
        livereload({
          port: livereloadPort
        })
      );

      let indexFileFound = false;
      let indexFile;
      path.split(",").forEach((path)=> {
        path = resolve(path || ".");
        indexFile = resolve(path, indexName || "index.html");
        if (exists(indexFile)) {
          indexFileFound = true
        }
        server.use(serveStatic(path, { index: indexName }));
      });

      if (!indexFileFound) {
        const msg =
          "\nNo docs found " +
          indexFile +
          "\nPlease run " +
          chalk.green("docsify init") +
          " first.\n";
        console.log(msg);
        process.exit(0);
      }

      
      
      server.listen(port);
      lrserver
        .createServer({
          extraExts: ["md"],
          exclusions: ["node_modules/"],
          port: livereloadPort
        })
        .watch(path.split(","));

      if (openInBrowser) {
        open(`http://localhost:${port}`);
      }

      const msg =
        "\nServing " +
        chalk.green(`${path}`) +
        " now.\n" +
        "Listening at " +
        chalk.green(`http://localhost:${port}`) +
        "\n";
      console.log(msg);
    })
    .catch(err => {
      console.error(err.message)
    })
}