auth init

api/.env

@@ -0,0 +1,7 @@
+# Environment variables declared in this file are automatically made available to Prisma.
+# See the documentation for more detail: https://pris.ly/d/prisma-schema#accessing-environment-variables-from-the-schema
+
+# Prisma supports the native connection string format for PostgreSQL, MySQL, SQLite, SQL Server, MongoDB and CockroachDB.
+# See the documentation for all the connection string options: https://pris.ly/d/connection-strings
+
+DATABASE_URL="postgresql://mcrates:digdeep@0.0.0.0:45432/mcrates?schema=public"

api/.mocharc.json

@@ -0,0 +1,8 @@
+{
+  "extension": ["ts"],
+  "spec": "src/**/*.test.ts",
+  "require": "ts-node/register",
+
+  "watch-files": "**/*.ts",
+  "watch-ignore": ["db"]
+}

api/README.md

@@ -0,0 +1,6 @@
+listings
+    doc
+    release
+
+wants
+    

api/global.d.ts

@@ -0,0 +1,16 @@
+// global type aliases and whatnot
+
+type UUID = string;
+type Email = string;
+
+type DiscogsName = string;
+type DiscogsListing = number;
+type DiscogsRelease = number;
+type DiscogsSeller = number;
+
+type BundleCandidate = {
+    seller: DiscogsSeller,
+    count: number,
+    listings: DiscogsListing[],
+}
+

api/index.ts

@@ -0,0 +1,22 @@
+import createServices from './src/services';
+import createLog from './src/log';
+
+async function start() {
+    const log = createLog();
+
+    process.on('SIGTERM', () => {
+      log.debug('SIGTERM received, exiting');
+      process.exit(0);
+    });
+
+    const {
+        prisma,
+        pg,
+        discogs,
+        api,
+    } = createServices(log);
+
+    await api.listen();
+}
+
+start();

api/package.json

@@ -0,0 +1,48 @@
+{
+  "name": "mates-crates",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "mocha",
+    "test:watch": "mocha --watch",
+    "migrate": "knex migrate:latest",
+    "migrate:make": "prisma migrate dev --name",
+    "start": "ts-node-dev --respawn --transpile-only index.ts | bunyan -o short"
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/bcrypt": "^5.0.0",
+    "@types/bluebird": "^3.5.36",
+    "@types/koa": "^2.13.5",
+    "@types/lodash": "^4.14.182",
+    "@types/mocha": "^9.1.1",
+    "axios": "^0.27.2",
+    "mocha": "^10.0.0",
+    "node-dev": "^7.4.3",
+    "prisma": "^4.1.0",
+    "ts-node-dev": "^2.0.0",
+    "typescript": "^4.7.4"
+  },
+  "dependencies": {
+    "@koa/cors": "^3.3.0",
+    "@koa/router": "^12.0.0",
+    "@prisma/client": "^4.1.0",
+    "bcrypt": "^5.0.1",
+    "bluebird": "^3.7.2",
+    "bunyan": "^1.8.15",
+    "cheerio": "^1.0.0-rc.12",
+    "koa": "^2.13.4",
+    "koa-body": "^5.0.0",
+    "koa-passport": "^5.0.0",
+    "koa-session": "^6.2.0",
+    "lodash": "^4.17.21",
+    "passport-local": "^1.0.0"
+  },
+  "overrides": {
+    "koa-passport": {
+      "passport": "^0.5"
+    }
+  }
+}

api/prisma/schema.prisma

@@ -0,0 +1,58 @@
+generator client {
+    provider = "prisma-client-js"
+    previewFeatures = ["interactiveTransactions"]
+}
+
+datasource db {
+    provider = "postgresql"
+    url      = env("DATABASE_URL")
+}
+
+model Listing {
+    id         Int      @id
+    seller     Int
+    data       Json
+
+    wantId     String   @db.Uuid
+    want       Want     @relation(fields: [wantId], references: [id], onDelete: Cascade, onUpdate: Cascade)
+
+    createdAt  DateTime @default(now())
+    updatedAt  DateTime @updatedAt
+
+    @@index([seller])
+    @@map("listings")
+}
+
+model User {
+    id         String     @id       @default(dbgenerated("gen_random_uuid()")) @db.Uuid
+    email      String     @unique
+    password   String
+    discogs    String?    @unique
+    data       Json?
+
+    createdAt  DateTime   @default(now())
+    updatedAt  DateTime   @updatedAt
+
+    wants      Want[]
+
+    @@map("users")
+}
+
+model Want {
+    id         String     @id       @default(dbgenerated("gen_random_uuid()")) @db.Uuid
+    release    Int?
+    data       Json
+
+    userId     String     @db.Uuid
+    user       User       @relation(fields: [userId], references: [id], onDelete: Cascade, onUpdate: Cascade)
+
+    createdAt  DateTime   @default(now())
+    updatedAt  DateTime   @updatedAt
+
+    listings   Listing[]
+
+    @@unique([userId, release])
+    @@index([release])
+
+    @@map("wants")
+}

api/src/api.test.ts

@@ -0,0 +1,48 @@
+import assert from 'assert/strict';
+import axios from 'axios';
+
+import createServices from './services';
+import createLog from './log';
+
+const log = createLog();
+log.level('error');
+const services = createServices(log);
+
+const HOST = 'http://localhost:41337';
+
+before(function setup() {
+    console.log('setup')
+    services.api.listen();
+});
+
+after(function teardown(done) {
+    services.api.server.close(done)
+});
+
+describe('api', function apiTests() {
+    it('listens', async function listenTest() {
+        const res = await axios.get(`${HOST}/health`);
+        assert.equal(res.status, 200);
+    });
+
+    it('register', async function register() {
+        const body = {
+            email: `test+${Date.now()}@user.com`,
+            password: 'woaaah theres no limit',
+        };
+        const { data } = await axios.post(`${HOST}/auth/register`, body);
+        assert.equal(data.email, body.email);
+    });
+
+    it('login', async function login() {
+        const body = {
+            email: `test+${Date.now()}@user.com`,
+            password: 'woaaah theres no limit',
+        };
+        await axios.post(`${HOST}/auth/register`, body);
+        const res = await axios.post(`${HOST}/auth/login`, body);
+        assert(res.headers['set-cookie']);
+    })
+
+});
+

api/src/api.ts

@@ -0,0 +1,176 @@
+import http from 'http';
+
+import koa from 'koa';
+import bodyParser from 'koa-body';
+import session from 'koa-session';
+import koaRouter from '@koa/router'
+import cors from '@koa/cors';
+
+import { groupBy } from 'lodash';
+import Bluebird from 'bluebird';
+
+import type Log from 'bunyan';
+import type { Listing, User, Want, Prisma } from '@prisma/client';
+
+import { Pg } from './pg';
+import routerAuth from './routers/router.auth';
+
+export default function createApi(log: Log, pg: Pg, discogs) {
+    const PORT = 41337;
+    const SECRET = 'ohja4Eif9eidah3aj5ta2haa4iemooth';
+
+    const app = new koa();
+    const server = http.createServer(app.callback());
+
+    // app.use(async (ctx, next) => {
+    //     try {
+    //         await next();
+    //     } catch (err) {
+    //         log.error(err);
+    //         ctx.status = err.statusCode || err.status || 500;
+    //         ctx.body = {
+    //               message: err.message
+    //         };
+    //     }
+    // });
+
+    const router = koaRouter();
+
+    interface ListingData extends Listing {
+        data: any,
+        want: { user: User },
+    };
+
+    async function getBundles() {
+        const bundles = await pg.bundleCandidates();
+
+        return bundles.map((b: ListingData[]) => {
+            const total = b.reduce((acc, l) => acc + l.data.original_price.value, 0);
+
+            const items = b.map(l => ({
+                id: l.data.id,
+                description: l.data.release.description,
+                price: l.data.original_price.value,
+                currency: l.data.original_price.curr_abbr,
+                condition: l.data.condition,
+                uri: l.data.uri,
+                user: l.want.user,
+            }));
+
+            const shipping = b[0]?.data.seller.shipping;
+
+            const bundle = {
+                username: b[0]?.data.seller.username,
+                seller: b[0]?.data.seller.id,
+                shipsFrom: b[0]?.data.ships_from,
+                total,
+                currency: b[0]?.data.original_price.curr_abbr,
+                shipping: '...',
+                items,
+                mentionsAustralia: shipping.toLowerCase().includes('australia'),
+                mentionsWorldwide: shipping.toLowerCase().includes('world'),
+            }
+
+            return bundle;
+        });
+    }
+
+
+    async function populateUserListings(user: User) {
+        const wants = await discogs.wantlist(user);
+
+        // const latest = await discogs.wantlistLatest(user);
+        // if (wants.length !== latest.length)
+
+        log.debug({ username: user.discogs, wantCount: wants.length });
+
+        return Bluebird.mapSeries<Want, Listing[]>(wants, async want => {
+            const listings = await discogs.listings(want);
+            const populated = listings.filter(l => l);
+            log.debug({ id: want.id, release: want.release, populated: populated.length, total: listings.length });
+            return populated;
+        });
+    }
+
+    function listen() {
+        return new Promise((resolve, reject) => {
+            app.on('error', err => {
+                reject(err);
+            })
+
+            server.listen(PORT, () => {
+                log.info('listening', { PORT });
+            });
+        });
+    }
+
+    app.use(cors({ origin: false, credentials: true }));
+    app.use(bodyParser())
+
+    app.keys = [SECRET];
+    app.use(session(app));
+
+    const { authRouter, passport } = routerAuth(log, pg);
+    app.use(passport.initialize());
+    app.use(passport.session())
+    app.use(authRouter.routes());
+
+    router.get('/health', async function health(ctx) {
+        ctx.status = 200;
+    });
+
+    async function requireAuth(ctx, next) {
+        log.warn(ctx.isAuthenticated());
+        await next();
+    }
+
+    router.get('/bundles', requireAuth, async (ctx, next) => {
+        const bundles = await getBundles();
+        ctx.response.body = bundles;
+    })
+
+    router.get('/user/:id/offers', async function userOffersGet(ctx, next) {
+        const { id } = ctx.request.params;
+        const user = await pg.userFindId(id);
+
+        // if (!user) return ctx.response.status = 404;
+
+        const bundles = (await getBundles())
+            .map(b => {
+                b.items = b.items.filter(i => i.user.id === user.id)
+                return b;
+            })
+            .filter(b => b.items.length);
+
+        ctx.response.body = bundles;
+    });
+
+    router.post('/user/populate', async function usersPopulate(ctx, next) {
+        const { userId } = ctx.request.body;
+        const user = await pg.userFindId(userId);
+        const listings = await populateUserListings(user);
+        ctx.response.body = listings;
+    });
+
+    router.post('/want', async function wantPost(ctx, next) {
+        const { userId, releaseId } = ctx.request.body;
+        const user = await pg.userFindId(userId);
+        const release = await discogs.release(releaseId);
+        const want = await pg.wantUpsert(release, user);
+        ctx.response.body = want;
+    });
+
+    router.post('/want/search', async function wantPost(ctx, next) {
+        const { artist, title } = ctx.request.body;
+        const results = await discogs.search(artist, title);
+        ctx.response.body = results;
+    });
+
+    app.use(router.routes());
+
+    return {
+        app,
+        server,
+        listen,
+    };
+}

api/src/auth.passport.ts

@@ -0,0 +1,28 @@
+import { KoaPassport } from 'koa-passport';
+import { Strategy as LocalStrategy } from 'passport-local';
+
+export default function authService(pg) {
+    const passport = new KoaPassport();
+
+    passport.serializeUser((user, done) => done(null, user.id));
+    passport.deserializeUser((id, done) => {
+        pg.userFindId(id)
+            .then(u => done(null, u))
+            .catch(e => done(e, null));
+    })
+
+    passport.use(new LocalStrategy(
+        { usernameField: 'email '},
+        function localStrategy(email, password, done) {
+            pg.userFindEmail(email)
+                .then(user => {
+                  if (!user) return done(null, false);
+                  // if (!user.verifyPassword(password)) return done(null, false);
+                  return done(null, user);
+                })
+                .catch(e => done(e, null));
+        }
+    ));
+
+    return passport;
+}

api/src/discogs.ts

@@ -0,0 +1,118 @@
+import fs from 'fs/promises';
+
+import axios from 'axios';
+import cheerio from 'cheerio';
+import Bluebird from 'bluebird';
+
+import type Log from 'bunyan';
+import type { PrismaClient, Want, User, Listing } from '@prisma/client';
+
+import { logAxiosError } from './utils';
+import { Pg } from './pg';
+
+export default function discogs(log: Log, pg: Pg) {
+    const TOKEN = 'Discogs token=wRTXuYZGOPsIQgKRGKCAkUkidGtvpSfQgPWkYIpD';
+    const apiBase = 'https://api.discogs.com'
+    const discogsBase = 'https://www.discogs.com'
+
+    const api = axios.create({
+        headers: {
+            'Authorization': TOKEN,
+            // discogs only returns the first page without a desktop u/a
+            'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0',
+        },
+    });
+
+    async function handleApiError(e) {
+        logAxiosError(e);
+        if (e.response.status === 429) {
+            throw new Error('rate limited');
+        }
+        return null;
+    }
+
+    // async function user(discogs: string) {
+    //     const user = await pg.userFindName(discogs);
+    //     if (user) return user;
+    //     log.debug('fetching user', discogs);
+    //     const { data } = await api.get(`${apiBase}/users/${discogs}`);
+    //     return pg.userUpsert(data.username, data.username, data);
+    // }
+
+    async function wantlist(user: User): Promise<Want[]> {
+        const stored = await pg.userWants(user);
+        if (stored.length) return stored;
+
+        if (!user.discogs) {
+            log.error(user, 'attempted to fetch wantlist of non discogs user');
+            throw new Error('User is not associated with a discogs account');
+        }
+
+        return wantlistLatest(user);
+    }
+
+    async function wantlistLatest(user: User): Promise<Want[]> {
+        const { username } = user.data as { username: string };
+        const { data: { wants, pagination }} = await api.get(`${apiBase}/users/${username}/wants`);
+        return Bluebird.mapSeries(wants, async r => pg.wantUpsert(r, user));
+    }
+
+    async function release(id: DiscogsRelease): Promise<any> {
+        const { data } = await api.get(`${apiBase}/releases/${id}`);
+        return data;
+    }
+
+    async function search(artist: string, title: string) {
+        const url = new URL(`${apiBase}/database/search`);
+        url.searchParams.append('artist', artist);
+        url.searchParams.append('title', title);
+        url.searchParams.append('type', 'release');
+        url.searchParams.append('format', 'vinyl');
+        const { data: { results } } = await api.get(url.href);
+        return results;
+    }
+
+    async function inventory(user: string) {
+        const res = await api.get(`${apiBase}/users/${user}/inventory`);
+        return res.data.listings;
+    }
+
+    async function listings(want: Want) {
+        const res = await api.get(`https://www.discogs.com/sell/release/${want.release}?limit=250`);
+        const $ = cheerio.load(res.data);
+        const ids = $('.item_description_title[href]')
+            .map(function getListingId() {
+                const id = Number.parseInt(this.attribs.href.replace('/sell/item/', ''), 10);
+                return id;
+            })
+            .get();
+
+        const unlisted = await pg.listingRmUnlisted(want, ids);
+        if (unlisted) log.info({ wantId: want.id, unlisted: unlisted }, 'missing listings removed');
+        return Bluebird.mapSeries(ids, async id => listing(id, want));
+    }
+
+    async function listing(id, want) {
+        const listing = await pg.listingFind(id);
+        if (listing) return listing;
+
+        try {
+            log.debug('fetching listing', id);
+            const res = await api.get(`${apiBase}/marketplace/listings/${id}`);
+            return pg.listingUpsert(res.data, want);
+        } catch (e) {
+            return handleApiError(e);
+        }
+    }
+
+    return {
+        // user,
+        wantlist,
+        wantlistLatest,
+        inventory,
+        listings,
+        listing,
+        release,
+        search,
+    };
+}

api/src/log.ts

@@ -0,0 +1,10 @@
+import bunyan from 'bunyan';
+
+export default function createLog() {
+    const log = bunyan.createLogger({
+      name: 'mcrates',
+      stream: process.stdout
+    });
+
+    return log;
+}

api/src/pg.ts

@@ -0,0 +1,157 @@
+import bcrypt from 'bcrypt';
+import type Log from 'bunyan';
+import type { PrismaClient, Want, User, Listing, Prisma } from '@prisma/client';
+import * as Bluebird from 'bluebird';
+
+export interface UserCreateParams {
+    discogs: DiscogsName | null,
+    email: string,
+    password: string,
+    data: any,
+}
+
+export interface Pg {
+    userFindId:         (id: UUID) => Promise<User>,
+    userFindEmail:      (email: Email) => Promise<User>,
+    userCreate:         (params: UserCreateParams) => Promise<User>,
+    userWants:          (user: User) => Promise<Want[]>,
+
+    wantUpsert:         (want: Want, user: User) => Promise<Want>,
+    listingUpsert:      (listing: Listing, want: Want) => Promise<Listing>,
+    listingFind:        (id: DiscogsListing) => Promise<Listing>,
+    listingRmUnlisted:  (want: Want, ids: DiscogsListing[]) => Promise<number>,
+
+    bundleCandidates:   () => Promise<Listing[][]>,
+}
+
+export default function createPg(log: Log, prisma: PrismaClient): Pg {
+    async function userFindId(id: UUID) {
+        return prisma.user.findUnique({ where: { id }});
+    }
+
+    async function userFindEmail(email: Email) {
+        return prisma.user.findUnique({ where: { email }});
+    }
+
+    async function userWants(user: User) {
+        return prisma.want.findMany({ where: { userId: user.id }});
+    }
+
+    async function userCreate(params: UserCreateParams) {
+        const hashRounds = 10;
+        const password = await bcrypt.hash(params.password, hashRounds);
+
+        const data = {
+            discogs: params.discogs,
+            email: params.email,
+            data: params.data,
+            password,
+        };
+
+        return prisma.user.create({
+            data,
+        });
+    }
+
+    async function wantUpsert(dcWant, user) {
+        const values: { userId: UUID, release: DiscogsListing, data: any } = {
+            data: dcWant,
+            release: dcWant.id,
+            userId: user.id,
+        };
+
+        return prisma.want.upsert({
+            // get these from the generated types
+            // ./node_modules/.prisma/client/index.d.ts
+            where: { userId_release: {
+                userId: values.userId,
+                release: values.release || null,
+            }},
+            update: values,
+            create: values,
+        });
+    }
+
+    async function listingRmUnlisted(want: Want, ids: DiscogsListing[]) {
+        const { count } = await prisma.listing.deleteMany({
+            where: {
+                wantId: want.id,
+                id: {
+                    notIn: ids,
+                }
+            }
+        });
+
+        return count;
+    }
+
+    async function listingUpsert(listing, want) {
+        const values = {
+            id: listing.id,
+            wantId: want.id,
+            seller: listing.seller.id,
+            data: listing,
+        };
+
+        return prisma.listing.upsert({
+            where: {
+                id: listing.id
+            },
+            update: values,
+            create: values,
+        });
+    }
+
+    async function listingFind(id: DiscogsListing) {
+        return prisma.listing.findUnique({
+            where: {
+                id,
+            },
+            include: {
+                want: {
+                    include: { user: true },
+                }
+            }
+        });
+    }
+
+    async function bundleCandidates(): Promise<Listing[][]> {
+        const candidates = await prisma.$queryRaw`
+            select
+                seller, count(distinct("wantId")), array_agg(id) as listings
+            from
+                listings
+            group by
+                seller
+            order by
+                count desc
+            limit 5;
+        ` as BundleCandidate[];
+
+        return Promise.all(candidates.map(async c => prisma.listing.findMany({
+            where: {
+                id: { in: c.listings }
+            },
+            include: {
+                want: {
+                    include: { user: true },
+                }
+            },
+            distinct: ['wantId'],
+        })));
+    }
+
+    return {
+        userFindId,
+        userFindEmail,
+        userCreate,
+        userWants,
+
+        wantUpsert,
+        listingUpsert,
+        listingFind,
+        listingRmUnlisted,
+
+        bundleCandidates,
+    };
+}

api/src/routers/router.auth.ts

@@ -0,0 +1,60 @@
+import bcrypt from 'bcrypt';
+import { KoaPassport } from 'koa-passport';
+import { Strategy as LocalStrategy } from 'passport-local';
+import Router from '@koa/router'
+
+import type { Pg } from './../pg';
+
+export default function authRouter(log, pg: Pg) {
+    const passport = new KoaPassport();
+
+    async function verifyPassword(user, password) {
+        const match = await bcrypt.compare(password, user.password);
+        return match;
+    }
+
+    passport.use(new LocalStrategy(
+        { usernameField: 'email' },
+        function localStrategy(email, password, done) {
+            pg.userFindEmail(email)
+                .then(user => {
+                    if (!user) return done(null, false);
+                    if (!verifyPassword(user, password)) return done(null, false);
+                    return done(null, user);
+                })
+                .catch(e => done(e, null));
+        }
+    ));
+
+    passport.serializeUser((user, done) => done(null, user.id));
+    passport.deserializeUser((id, done) => {
+        pg.userFindId(id)
+            .then(u => done(null, u))
+            .catch(e => done(e, null));
+    })
+
+    const authRouter = new Router({ prefix: '/auth' });
+
+    authRouter.post('/login', async (ctx, next) => {
+        await passport.authenticate('local', (err, user, info, status) => {
+            if (user) {
+                ctx.login(user);
+                ctx.status = 200;
+                ctx.body = { status: 'success' };
+            } else {
+                ctx.status = 400;
+                ctx.body = { status: 'error' };
+            }
+        })(ctx, next);
+    });
+
+    authRouter.post('/register', async (ctx, next) => {
+        const { discogs, email, password } = ctx.request.body;
+        // fetch discogs data if they have it
+        const params = { discogs, email, password, data: {} };
+        const user = await pg.userCreate(params)
+        ctx.response.body = user;
+    });
+
+    return { authRouter, passport };
+}

api/src/services.ts

@@ -0,0 +1,21 @@
+import { PrismaClient } from '@prisma/client'
+
+import discogsService from './discogs';
+import pgService from './pg';
+import { logAxiosError } from './utils';
+import createLog from './log';
+import createApi from './api';
+
+export default function createServices(log) {
+    const prisma = new PrismaClient();
+    const pg = pgService(log, prisma);
+    const discogs = discogsService(log, pg);
+    const api = createApi(log, pg, discogs);
+
+    return {
+        prisma,
+        pg,
+        discogs,
+        api,
+    };
+}

api/src/utils.ts

@@ -0,0 +1,13 @@
+export function logAxiosError(e) {
+    console.warn({
+        status: e.response.status,
+        statusText: e.response.statusText,
+        url: e.config.url,
+        data: e.response.data,
+        rateLimiting: {
+            limit: e.response.headers['x-discogs-ratelimit'],
+            remaining: e.response.headers['x-discogs-ratelimit-remaining'],
+            used: e.response.headers['x-discogs-ratelimit-used'],
+        },
+    });
+}

api/tsconfig.json

@@ -0,0 +1,111 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig to read more about this file */
+
+    /* Projects */
+    // "incremental": true,                              /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
+    // "composite": true,                                /* Enable constraints that allow a TypeScript project to be used with project references. */
+    // "tsBuildInfoFile": "./.tsbuildinfo",              /* Specify the path to .tsbuildinfo incremental compilation file. */
+    // "disableSourceOfProjectReferenceRedirect": true,  /* Disable preferring source files instead of declaration files when referencing composite projects. */
+    // "disableSolutionSearching": true,                 /* Opt a project out of multi-project reference checking when editing. */
+    // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
+
+    /* Language and Environment */
+    "target": "es2020",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+    // "jsx": "preserve",                                /* Specify what JSX code is generated. */
+    // "experimentalDecorators": true,                   /* Enable experimental support for TC39 stage 2 draft decorators. */
+    // "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
+    // "jsxFactory": "",                                 /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
+    // "jsxFragmentFactory": "",                         /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
+    // "jsxImportSource": "",                            /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
+    // "reactNamespace": "",                             /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
+    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
+    // "useDefineForClassFields": true,                  /* Emit ECMAScript-standard-compliant class fields. */
+    // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
+
+    /* Modules */
+    "module": "commonjs",                                /* Specify what module code is generated. */
+    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    "moduleResolution": "node",                       /* Specify how TypeScript looks up a file from a given module specifier. */
+    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
+    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+    // "typeRoots": [],                                  /* Specify multiple folders that act like './node_modules/@types'. */
+    "types": [
+      "./index.d.ts",
+      "mocha"
+    ],                                      /* Specify type package names to be included without being referenced in a source file. */
+    // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
+    // "moduleSuffixes": [],                             /* List of file name suffixes to search when resolving a module. */
+    // "resolveJsonModule": true,                        /* Enable importing .json files. */
+    // "noResolve": true,                                /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
+
+    /* JavaScript Support */
+    // "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
+    // "checkJs": true,                                  /* Enable error reporting in type-checked JavaScript files. */
+    // "maxNodeModuleJsDepth": 1,                        /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
+
+    /* Emit */
+    // "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+    // "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
+    // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
+    // "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
+    // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
+    // "outDir": "./",                                   /* Specify an output folder for all emitted files. */
+    // "removeComments": true,                           /* Disable emitting comments. */
+    // "noEmit": true,                                   /* Disable emitting files from a compilation. */
+    // "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
+    // "importsNotUsedAsValues": "remove",               /* Specify emit/checking behavior for imports that are only used for types. */
+    // "downlevelIteration": true,                       /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
+    // "sourceRoot": "",                                 /* Specify the root path for debuggers to find the reference source code. */
+    // "mapRoot": "",                                    /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
+    // "inlineSources": true,                            /* Include source code in the sourcemaps inside the emitted JavaScript. */
+    // "emitBOM": true,                                  /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
+    // "newLine": "crlf",                                /* Set the newline character for emitting files. */
+    // "stripInternal": true,                            /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
+    // "noEmitHelpers": true,                            /* Disable generating custom helper functions like '__extends' in compiled output. */
+    // "noEmitOnError": true,                            /* Disable emitting files if any type checking errors are reported. */
+    // "preserveConstEnums": true,                       /* Disable erasing 'const enum' declarations in generated code. */
+    // "declarationDir": "./",                           /* Specify the output directory for generated declaration files. */
+    // "preserveValueImports": true,                     /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
+
+    /* Interop Constraints */
+    // "isolatedModules": true,                          /* Ensure that each file can be safely transpiled without relying on other imports. */
+    // "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
+    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+    // "preserveSymlinks": true,                         /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
+    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": false,                                      /* Enable all strict type-checking options. */
+    // "noImplicitAny": true,                            /* Enable error reporting for expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,                         /* When type checking, take into account 'null' and 'undefined'. */
+    // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
+    // "strictBindCallApply": true,                      /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
+    // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
+    // "noImplicitThis": true,                           /* Enable error reporting when 'this' is given the type 'any'. */
+    // "useUnknownInCatchVariables": true,               /* Default catch clause variables as 'unknown' instead of 'any'. */
+    // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
+    // "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
+    // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
+    // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
+    // "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
+    // "noFallthroughCasesInSwitch": true,               /* Enable error reporting for fallthrough cases in switch statements. */
+    // "noUncheckedIndexedAccess": true,                 /* Add 'undefined' to a type when accessed using an index. */
+    // "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
+    // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
+    // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
+    // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
+
+    /* Completeness */
+    // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
+    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+  },
+
+  "ts-node": {
+    // strict mode gtfo
+    "transpileOnly": true,
+  },
+}