Database-to-JSON Adapter

index.ts

import { sha256 } from "sha.js";

type Data = {
    [k: string]: {
        [k: string]: string | number | boolean,
    }
};

const data: Data  = {};

const getRealId = (id: string) => `<${id.replace(/^<|>$/g, "")}>`;

export const dump = () => data;

export const set = (id: string, obj: { [k: string]: any }) => {
    const realId = getRealId(id);
    data[realId] = data[realId] || {};

    Object.keys(obj).forEach((key) => {
        if (typeof obj[key] !== "object") {
            data[realId][key] = obj[key];
        } else {
            const newKey = new sha256().update(`${id}:${key}`).digest("hex");
            data[realId][key] = `<${newKey}>`;
            set(newKey, obj[key]);
        }
    })
};
export const get = (id: string): { [k: string]: any } => {
    const realId = getRealId(id);

    if (data.hasOwnProperty(realId)) {
        const result = Object.assign({}, data[realId]) as { [k: string]: any };
        Object.keys(result).forEach((key) => {
            if (typeof result[key] === "string" && /^<[\w\d]+>$/.test(result[key] as string)) {
                result[key] = get(result[key]);
            }
        });
        return result;
    }
    else {
        return {};
    }
};