mit.db/index.js

var client = [];
client.config = require('./config.js').settings;

const MapDB = require('quickmap.db');
const db = new MapDB('database.json');

const chalk = require('chalk')

function catchError(message, err, origin, reason) { 
  console.log(chalk.gray('—————————————————————————————————'));
	console.log(
		chalk.white('['),
		chalk.red.bold('AntiCrash'),
		chalk.white(']'),
		chalk.gray(' : '),
		chalk.white.bold(message),
	);
	console.log(chalk.gray('—————————————————————————————————'));
	console.log(err, origin, reason);
}

process.on('unhandledRejection', (err, origin) => {
    catchError('Unhandled Rejection/Catch', err, origin);
});
process.on('uncaughtException', (err, origin) => {
    catchError('Uncaught Exception/Catch', err, origin);
});
process.on('multipleResolves', (type, promise, reason) => {
    catchError('Multiple Resolves', type, promise, reason);
});

async function setup() {
    var isset = await db.get('client.issetupped')
    if (!isset) {
        await db.set('client.issetupped', true)
    }
}

setup()
var fs = require('fs');
var data = fs.readFileSync('./data/database.json');

var elements = JSON.parse(data);
const express = require("express");
const app = express();

const cors=require('cors');
   
app.listen(client.config.port, 
    () => console.log("Server Start at the port "+client.config.port));
   
app.use(express.static('public'));
app.use(cors());

async function authenticate(token, response, what) {
    if (!client.config.auth.includes(token)) {
        response.send('ERROR - Not auth')
    } else {
        console.log(token + ' do '+ what)
    }
}

// All dates in the database

app.get('/api/:auth/database', alldata);
  
function alldata(request, response) {
    var token = request.params.auth;
    authenticate(token, response, 'alldata')
    response.send(elements);
}

// One element in the database

app.get('/api/:auth/database/:element/', searchElement);
  
async function searchElement(request, response) {
    var token = request.params.auth;
    var word = request.params.element;

    search = 'search '+ word
    authenticate(token, response, search)

    var elements = await db.get(word)
    console.log(elements)
    var elements = JSON.parse(elements);
    console.log(elements)
       
    if(elements) {
        var reply = elements  
    } else {
        var reply = {
            status:"Not Found"
        }
    }
       
    response.send(reply);
}

// Set a db variable

app.get('/api/:auth/database/:element/set/:data', set);
  
async function set(request, response) {
    var token = request.params.auth;
    var element = request.params.element;
    var data = request.params.data;

    set = 'set '+element+' to '+data
    authenticate(token, response, set)
    
    await db.set(element, data)
    var res = await db.get(element)
//    var res = JSON.parse(res);
    if(res) {
        var reply = {
            status: 'Done'
        };         
    } else {
        var reply = {
            status:"404-Not Found"
        }
    }
       
    response.send(reply);
}

// Set a db variable

app.get('/api/:auth/database/:element/remove', remove);
  
async function remove(request, response) {
    var token = request.params.auth;
    var element = request.params.element;

    set = 'remove '+element
    authenticate(token, response, set)
    
    await db.delete(element)
//    var res = JSON.parse(res);
    if(res) {
        var reply = {
            status: 'Done'
        }
    } else {
        var reply = {
            status:"404 - Not Found"
        }
    }
       
    response.send(reply);
}