Code that reads config.json in daveappserver

config.js

function readConfigJson (callback) { //2/8/23 by DW
	var configJs;
	try {
		configJs = require ("./config.js");
		}
	catch (err) { //try in the parent directory, assuming daveappserver is running in lib sub-directory
		try {
			configJs = require ("../config.js");
			}
		catch (err) { //fallback to reading config.json
			readConfig (fnameConfig, config, true, callback);
			return;
			}
		}
	const jstruct = configJs;
	for (var x in jstruct) {
		config [x] = jstruct [x];
		}
	callback ();
	}