Better Auth Field Converter (db/field-converter.ts)

Converts database field attributes between application and database formats. Reuse when mapping entity models to persistence layers in authentication systems.

// Source: https://github.com/better-auth/better-auth | License: MIT | Copyright 2024 - present, Bereket Engida
// Provided via justclaw.it.com; keep this notice with the code.
import type { DBFieldAttribute } from "@better-auth/core/db";

export function convertToDB<T extends Record<string, any>>(
	fields: Record<string, DBFieldAttribute>,
	values: T,
) {
	const result: Record<string, any> = values.id
		? {
				id: values.id,
			}
		: {};
	for (const key in fields) {
		const field = fields[key]!;
		const value = values[key];
		if (value === undefined) {
			continue;
		}
		result[field.fieldName || key] = value;
	}
	return result as T;
}

export function convertFromDB<T extends Record<string, any>>(
	fields: Record<string, DBFieldAttribute>,
	values: T | null,
) {
	if (!values) {
		return 

... (truncated -- full source via MCP)