dk-srv/dist/src/static.js

DK server

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const fs = require("fs");
const path = require("path");
const url = require("url");
exports.srv_static = (item) => {
    const parsedUrl = url.parse(item.reqHttp.url);
    // extract URL path
    const baseDir = process.cwd() + "/";
    let pathname = baseDir + "public/" + parsedUrl.pathname;
    let ok = 1;
    const ext = path.parse(pathname).ext;
    const map = {
        '.ico': 'image/x-icon',
        '.html': 'text/html',
        '.js': 'text/javascript',
        '.json': 'application/json',
        '.css': 'text/css',
        '.png': 'image/png',
        '.jpg': 'image/jpeg',
        '.wav': 'audio/wav',
        '.mp3': 'audio/mpeg',
        '.svg': 'image/svg+xml',
        '.pdf': 'application/pdf',
        '.doc': 'application/msword',
    };
    if (map[ext]) {
        ok = 0;
    }
    fs.exists(pathname, (exist) => {
        if (!exist) {
            item.resHttp.statusCode = 404;
            item.resHttp.end(`File ${pathname} not found!`);
            return;
        }
        // if is a directory search for index file matching the extention
        if (fs.statSync(pathname).isDirectory()) {
            pathname += '/index' + ext;
        }
        // read file from file system
        fs.readFile(pathname, (err, data) => {
            if (err) {
                item.resHttp.statusCode = 500;
                item.resHttp.end(`Error getting the file: ${err}.`);
            }
            else {
                // if the file is found, set Content-type and send data
                item.resHttp.setHeader('Content-type', map[ext] || 'text/plain');
                item.resHttp.end(data);
            }
        });
    });
    return ok;
};