nedb - Create databases dynamically - node.js

Question

I have two Temp. Sensors on my Raspberry Pi and I have a node.js Express app. I want to create nedb databases dynamically of an array with sensor objects.
So I have an object with sensors in it:
sensors: [
{
name: "Indoor",
type: 22,
pin: 21
},
{
name: "Outdoor",
type: 22,
pin: 21
}
]};
Now I want to create for every Sensor three database:
databaseSetup(app.sensors);
function databaseSetup(sensor){
const dataStore = require('nedb');
const databaseVariables = [];
sensor.forEach((sensor) => {
const live = 'live' + sensor.name;
const seconds = 'seconds' + sensor.name;
const hours = 'hours' + sensor.name;
const test = {
live: new dataStore(`./databases/temp/${sensor.name}/live.db`),
seconds: new dataStore(`./databases/temp/${sensor.name}/seconds.db`),
hours: new dataStore(`./databases/temp/${sensor.name}/hours.db`) }
databaseVariables.push(test);
});
}
But this is not working. Can someone help me please?

Answer 1

I am not sure why you trying to do cause in my mind this is a bad practice. but you can make it dynamic. something like this:
const dt = require('nedb');
const db = [];
//USING LOOP and FUNCTION
let list = [{ name: "GasSensor" }, { name: "TempSensor" }];
let index = 0;
//BAD Practice
let setup = () => {
if (index + 1 > list.length) return;
let newInstance = new dt({ filename: 'nodejs/data/nedb_' + list[index].name, autoload: true });
console.log("Working on index " + (index + 1));
newInstance.loadDatabase((err) => {
if (err) {
//...
} else {
db.push(newInstance);
}
index++;
setup();
});
}
setup();
And also with API:
const exp = require("express");
const app = exp();
const dt = require('nedb');
const db = [];
app.get("/make/db/:name", (q, r) => {
//BAD PRACTICE
//JUST FOR TEST
let newInstance = new dt({ filename: 'nodejs/data/nedb_' + q.params.name, autoload: true });
newInstance.loadDatabase((err) => {
if (err) {
console.log(err + "");
r.send("ERROR");
}
else {
db.push(newInstance);
console.log("Database is loaded");
r.send("NEW DB CREATED");
}
});
});
app.listen(3000);