Recursively converts the given value to a similar structure but with the values replaced by their types.

objToTypeReadout.ts

/**
 * Recursively converts the given value to a similar structure but with the values replaced by their types.
 * 
 * Useful for debugging datastructures you can't dig into via a debugger and that you don't already know the types of.
 */
function objToTypeReadout(key: string, value: any): { [key: string]: any } {
	if (Array.isArray(value)) {
		return {
			[key]: typeof value,
			value: value.map((v, i) => objToTypeReadout(i.toFixed(0), v)),
		};
	}

	if (typeof value === "object") {
		if (value === null) {
			return { [key]: null };
		}

		return {
			[key]: typeof value,
			value: Object.entries(value).map(([k, v]) => objToTypeReadout(k, v)),
		};
	}

	return { [key]: typeof value };
}

console.log("mySql.query", JSON.stringify(objToTypeReadout("results", results), undefined, "\t"));