Invalid position given by 'W033'

[Dadda97]

JSHint returned a point that did not exist in the document being edited. Rule: W033 Requested point: 21:47

var http = require('http');
var mysql = require('mysql')
var url = require('url')
const headers = {
    "Content-Type": "application/json"
}

const db_connection = mysql.createPool({
    connectionLimit: 10,
    host: 'db',
    user: 'node',
    password: 'password',
    database: 'node'
});

// db_connection.connect();

//create a server object:
const server = http.createServer((req, res) => {
    res.setHeader('Access-Control-Allow-Origin', '*');
    let api = url.parse(req.url, true).pathname
    switch (req.method) {
        case 'GET':
            try {
                // res.write(db_connection.query("SELECT * FROM USER_PRIVILEGES"))
                let result = [];
                db_connection.getConnection(function(err, conn) {
                    if (err) res.write("Error")
                    else {
                        let query
                        if (!api.includes("floor"))
                            query = "SELECT * FROM DATA"
                        else {
                            let floor = api.split('/')[2]
                            console.log(floor)
                            query = "SELECT * FROM DATA WHERE (Location = \"" + floor + "\")"
                        }
                        conn.query(query, function(err, rows) {
                            if (err) res.write("Error in query")
                            else {
                                rows.forEach(element => {
                                    str = `{"id": "${element.id}","Time": "${element.Time}","Location": "${element.Location}"}`
                                    result.push(JSON.parse(str))
                                });
                                result = JSON.stringify(result)
                                res.writeHead(200)
                                res.write(result)
                                res.end()
                            }
                        })
                    }
                })
            } catch (error) {
                console.log(error)
            }
            break
        case 'POST':
            let received = ""
            req.on('data', chunk => {
                console.log(`Received ${chunk.length} bytes of data`)
                received += chunk
            })
            req.on('end', () => {
                console.log("No more data")
                let obj = JSON.parse(received)
                console.log(obj.id)
                db_connection.getConnection(function(err, conn) {
                    if (err) res.write("Cannot get DB connection")
                    else {
                        conn.query(`INSERT INTO DATA values ('${obj['id']}', '${obj['Time']}', '${obj['Location']}')`, function(err, rows) {
                            if (err) res.write("Error in insert")
                            else {
                                res.writeHead(200, headers)
                                res.write(`1 record inserted`)
                                res.end()
                            }
                        })
                    }
                })
            })
            break
        default:
            res.writeHead(405, headers)
            res.end(`${JSON.stringify({error: 'Method not allowed', method: req.method})}\n`)
    }
}).listen(3000); //the server object listens on port 8080

Debug information:

Atom version: 1.49.0
linter-jshint version: v3.1.19
JSHint version: jshint v2.11.0
Hours since last Atom restart: 0
Platform: linux
Current file's scopes: [
  "unknown"
]
linter-jshint configuration: {
  "executablePath": "",
  "lintInlineJavaScript": false,
  "disableWhenNoJshintrcFileInPath": false,
  "scopes": [
    "source.js",
    "source.js-semantic"
  ],
  "jshintFileName": ".jshintrc",
  "jshintignoreFilename": ".jshintignore"
}