copy_lib.js

const { basename, join, resolve } = require('path');
const { readFileSync, lstatSync } = require('fs');
const { exec } = require('child_process');

const distDir = 'www/lib';

const filelist = readFileSync('lib_list.txt', 'utf-8').split(/\r?\n/);

exec(`mkdir -p ${distDir}`, () => {
  filelist.forEach(path => {
    path = resolve(path);
    const filename = basename(path);
    const dest = lstatSync(path).isDirectory()
      ? distDir
      : join(distDir, filename);
    const cmd = `rsync -ru ${path} ${dest}`;
    exec(cmd);
  });
});