lib/server/poll/sender_functions.js
'use strict';
const OK_STATUS_TEXT = 'OK';
const OK_STATUS_CODE = 200;
const ERROR_STATUS_TEXT = 'INTERNAL ERROR';
const ERROR_STATUS_CODE = 500;
const CONTENT_TYPE = 'application/json;charset=UTF-8';
const CHAR_SET = 'utf8';
function send(res, content, statusCode, statusText) {
const data = JSON.stringify(content);
const dataLength = Buffer.byteLength(data, CHAR_SET);
const headers = {
'Content-Length': dataLength,
'Content-Type': CONTENT_TYPE,
};
res.writeHead(statusCode, statusText, headers);
res.end(data, CHAR_SET);
}
function sendJsonContent(res, content) {
send(res, content, OK_STATUS_CODE, OK_STATUS_TEXT);
}
function sendError(res, content) {
send(res, content, ERROR_STATUS_CODE, ERROR_STATUS_TEXT);
}
module.exports = {
jsonContent: sendJsonContent,
error: sendError,
};