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16. Limitation of Liability.
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

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# pianoverse_server
Uses [my pianoverse TS library](https://git.sad.ovh/sophie/pianoverse).
Supports everything under the sun for pianoverse.
This server has NO ratelimits. It is efficient enough where I think that it's a bonus that it has no ratelimts, and it's very useful for black midi playing and testing [my client](https://git.sad.ovh/sophie/pianoverse/src/branch/main/client.ts).
Another bonus is the fact that I am only using one library, which my TS library.
To use this server [use a patched client](https://git.sad.ovh/sophie/pianoverse_client).
.env has to be set to
```
HASH="somesecurestring"
PORT=8081
```
![chat](assets/screenshot1.png)
![nuker 2 midi](assets/screenshot2.png)
Supports:
1. Room bans
2. Room kicks
3. the Backrooms
4. Site bans
5. Moderator promotions and demotions
6. Lobbies and other rooms
7. Piano

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/*
Ziedu Vija - nesavaldāmi kumeļi
Man tāda sajūta ka tu mūs pārprati
Mazā mauka savas kājas papletīs
Godavārds, man tas neko nemainīs
Godavārds, es nejutīs (Viņa negrib būt ar mani)
Es atdošu savu dzīvi (Tu man iedosi savu dzīvi)
*/
import { Server } from "./src/Server";
new Server(+process.env.PORT!);

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{
"name": "pianoverse_server",
"module": "index.ts",
"devDependencies": {
"@types/bun": "latest"
},
"peerDependencies": {
"typescript": "^5.0.0"
},
"type": "module",
"dependencies": {
"pianoverse": "git+https://git.sad.ovh/sophie/pianoverse#f83eddf063a2610a605024f5d4fedde83b4fb83e"
}
}

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import type { ServerWebSocket } from "bun";
import { Room } from "./Room";
import { proto } from "pianoverse";
import { Server } from "./Server";
export class Client {
id!: string;
room?: Room;
uniqWsID: string;
private ws: ServerWebSocket<Client>;
constructor(ws: ServerWebSocket<Client>) {
this.ws = ws;
this.id = [...Bun.SHA256.hash(ws.remoteAddress + process.env.HASH)]
.slice(0, 7)
.map((z) => z.toString(16))
.join("");
this.uniqWsID = crypto.randomUUID();
}
send(message: proto.ServerMessage) {
this.ws.send(message.toBinary());
}
alert(message: string) {
this.send(
new proto.ServerMessage({
event: proto.ServerMessage_EventType.MESSAGE,
message: message,
})
);
}
backrooms() {
const part = this.room?.particpiants.get(this.id);
if (part) {
part.removeClient(this);
} else {
return;
}
let room = Server.rooms.get("Backrooms");
if (!room) {
let owner = this.id;
room = new Room("Backrooms", owner);
Server.rooms.set(room.name, room);
}
room.addClient(this.ws);
Server.updateRooms();
}
}

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/*
buns raw sqlite is miles more powerful
than any other shitty orm
and i would like to keep the whole server
sync, so i'm going to use it instead
*/
import { proto } from "pianoverse";
import { Database } from "bun:sqlite";
interface RawProfile {
color: string;
name: string;
role: proto.Role;
id: string;
}
interface RawRoomBan {
id: string;
room: string;
minutes: number;
banTime: number;
}
export const db = new Database("DATABASE.db", { strict: true });
db.prepare(
`CREATE TABLE IF NOT EXISTS profiles (
id TEXT PRIMARY KEY,
name TEXT,
color TEXT,
role INTEGER
);`
).get();
db.prepare(`CREATE TABLE IF NOT EXISTS siteBans (id TEXT PRIMARY KEY);`).get();
db.prepare(
// first time figuring this out, but this "UNIQUE" makes sure so you can't ban a person
// twice in a single room, a person may be banned in multiple rooms and so can a multiple rooms have
// the same player banned
`CREATE TABLE IF NOT EXISTS roomBans (
id TEXT,
room TEXT,
minutes INTEGER,
banTime INTEGER,
UNIQUE(id, room)
);`
).get();
const timeouts = new Map<string, Timer>();
function setRoomBanTimeout(id: string, room: string, minutes: number, banTime: number) {
const time = banTime - (Date.now() - (minutes * 60 * 1000));
console.log("ban " + id + ", " + room + " min: " + minutes + ' SET TO DELETE In ' + time + "ms")
if(time <= 0) {
removeRoomBan(room, id);
} else {
timeouts.set(
id + room,
setTimeout(() => {
removeRoomBan(room, id);
}, time)
);
}
}
getAllRoomBans()?.forEach((z) => setRoomBanTimeout(z.id, z.room, z.minutes, z.banTime));
export function getAllRoomBans() {
return db.prepare("SELECT * FROM roomBans").all() as RawRoomBan[] | undefined;
}
export function getRoomBans(room: string) {
return db.prepare("SELECT * FROM roomBans WHERE room = $room").all({
room,
}) as RawRoomBan[] | undefined;
}
export function addRoomBan(id: string, room: string, minutes: number, banTime: number) {
db.prepare(
"INSERT INTO roomBans VALUES ($id, $room, $minutes, $banTime)"
).get({
id,
room,
minutes,
banTime
});
setRoomBanTimeout(id, room, minutes, banTime);
}
export function removeRoomBan(room: string, id: string, clearTimeoutt = false) {
db.prepare("DELETE FROM roomBans WHERE room = $room AND id = $id").get({
room,
id,
});
if (clearTimeoutt) {
clearTimeout(timeouts.get(room + id));
}
}
export function getSiteBan(id: string) {
return db.prepare("SELECT * FROM siteBans WHERE id = $id").get({
id,
});
}
export function addSiteBan(id: string) {
db.prepare("INSERT INTO siteBans VALUES ($id)").get({
id,
});
}
export function removeSiteBan(id: string) {
db.prepare("DELETE FROM siteBans WHERE id = $id").get({
id,
});
}
export function getProfile(id: string) {
return db.prepare("SELECT * FROM profiles WHERE id = $id").get({
id,
}) as RawProfile | undefined;
}
export function makeProfile(profile: RawProfile) {
db.prepare("INSERT INTO profiles VALUES ($id, $name, $color, $role)").get({
...profile,
});
}
export function updateProfile(profile: RawProfile) {
db.prepare(
"UPDATE profiles SET id = $id, name = $name, color = $color, role = $role WHERE id = $id"
).get({ ...profile });
}

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import { proto } from "pianoverse";
import type { Client } from "./Client";
import { Profile } from "./Profile";
import type { Room } from "./Room";
import { Server } from "./Server";
export class Participiant {
clients: Client[] = [];
profile!: Profile;
room!: Room;
pid!: string;
cid!: string;
private updateListener!: (...args: any[]) => void;
constructor(cid: string, room: Room) {
this.room = room;
this.pid = crypto.randomUUID().replaceAll("-", "").slice(0, 7);
this.cid = cid;
const profile = Server.profiles.get(cid);
if (profile) {
this.profile = profile;
} else {
this.profile = new Profile(cid);
Server.profiles.set(cid, this.profile);
}
this.updateListener = (() => {
const update = new proto.ServerMessage({
event: proto.ServerMessage_EventType.PROFILE,
profile: {
id: this.cid,
name: this.profile.name,
color: this.profile.color,
},
});
this.clients.forEach((z) => z.send(update));
room.particpiants.forEach(z=> z.send(update));
}).bind(this);
this.profile.on("update", this.updateListener);
return this;
}
send(message: proto.ServerMessage) {
this.clients.forEach(z=>z.send(message));
}
addClient(client: Client) {
this.clients.push(client);
}
findClient(client: Client) {
return !!this.clients.find((z) => z.id == client.id);
}
removeClient(client: Client) {
this.clients = this.clients.filter((z) => z.uniqWsID != client.uniqWsID);
if (!client.room) return;
if (this?.clients.length == 0) {
this.destroy();
client.room.particpiants.delete(client.id);
if (client.room.particpiants.size == 0) {
Server.rooms.delete(client.room.name);
} else {
const leaveMessage = new proto.ServerMessage({
event: proto.ServerMessage_EventType.LEAVE,
leave: client.id
});
[...client.room.particpiants.values()].forEach(z => {
z.send(leaveMessage)
});
}
}
}
destroy() {
this.profile.removeListener("update", this.updateListener);
}
}

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import { EventEmitter } from "events";
import { proto } from "pianoverse";
import { db, getProfile, makeProfile, updateProfile } from "./Database";
export class Profile extends EventEmitter {
color!: string;
name!: string;
id!: string;
role: proto.Role = proto.Role.USER;
constructor(id: string) {
super();
let user = getProfile(id);
if (!user) {
user = {
id,
color: `#${Math.floor(Math.random() * 0x1000000)
.toString(16)
.padStart(6, "0")}`,
name: "Someone",
role: proto.Role.USER,
};
makeProfile(user);
}
this.color = user.color;
this.id = id;
this.name = user.name;
this.role = user.role;
return this;
}
commit() {
updateProfile({
color: this.color,
name: this.name,
id: this.id,
role: this.role
})
this.emit("update");
}
}

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import type { ServerWebSocket } from "bun";
import { Participiant } from "./Participiant";
import { Client } from "./Client";
import { proto } from "pianoverse";
import { addRoomBan, getRoomBans } from "./Database";
import { Server } from "./Server";
interface Ban {
banTime: number;
minutes: number;
}
export class Room {
particpiants = new Map<string, Participiant>();
name: string;
private: boolean = false;
owner: string;
chats: proto.ServerMessage_Chat[] = [];
constructor(name: string, owner: string) {
this.name = name;
if(this.name == "Lobby" || this.name == "Backrooms") {
this.owner = "";
} else {
this.owner = owner;
}
this.systemMessage("This is a development server. Instability may occur. Written by @fucksophie")
}
systemMessage(message: string) {
const system = Server.systemMessage(message);
this.chats.push(system.chat!);
this.particpiants.forEach((z) => {
z.clients.forEach(g => {
g.send(system);
})
});
}
chat(ws: ServerWebSocket<Client>, message: string) {
const profile = Server.profiles.get(ws.data.id);
if(!profile) return;
const chatPacket = new proto.ServerMessage({
event: proto.ServerMessage_EventType.CHAT,
chat: {
id: ws.data.id,
content: message,
name: profile.name,
color: profile.color,
},
});
this.particpiants.forEach((z) => {
z.send(chatPacket);
});
this.chats.push(chatPacket.chat!);
}
ban(ws: ServerWebSocket<Client>, minutes: number) {
if(this.name == 'Backrooms') return;
addRoomBan(ws.data.id, this.name, minutes, Date.now())
ws.data.backrooms();
}
checkBan(ws: ServerWebSocket<Client>) {
const ban = getRoomBans(this.name)?.find(z=> z.id == ws.data.id);
if(!ban) return false;
const time = ban.banTime - (Date.now() - (ban.minutes * 60 * 1000));
if(time <= 0) {
return false; // Database.ts automatically removes the ban
} else {
return time;
}
}
addClient(ws: ServerWebSocket<Client>) {
ws.data.room = this;
let particpiant = this.particpiants.get(ws.data.id);
if (!particpiant) {
particpiant = new Participiant(ws.data.id, this);
particpiant.addClient(ws.data);
this.particpiants.set(ws.data.id, particpiant);
} else {
particpiant.addClient(ws.data);
}
const welcome = new proto.ServerMessage({
event: proto.ServerMessage_EventType.WELCOME,
welcome: {
id: ws.data.id,
name: particpiant.profile.name,
color: particpiant.profile.color,
room: this.name,
owner: this.owner,
chat: this.chats,
role: particpiant.profile.role,
},
});
ws.data.send(welcome);
if (particpiant.clients.length <= 1) {
//#region Annouce to everyone that the user has joined
const joinMessage = new proto.ServerMessage({
event: proto.ServerMessage_EventType.JOIN,
join: {
id: ws.data.id,
name: particpiant.profile.name,
color: particpiant.profile.color,
role: particpiant.profile.role,
},
});
[...this.particpiants.values()]
.filter((z) => z.cid != ws.data.id)
.forEach((z) => {
z.send(joinMessage);
});
}
//#endregion
//#region Annouce to player that everybody has joined
[...this.particpiants.values()]
.filter((z) => z.cid != ws.data.id)
.forEach((z) => {
const joinMessage = new proto.ServerMessage({
event: proto.ServerMessage_EventType.JOIN,
join: {
id: z.cid,
name: z.profile.name,
color: z.profile.color,
role: z.profile.role,
},
});
ws.data.send(joinMessage);
});
//#endregion
}
}

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import { proto } from "pianoverse";
import { Client } from "./Client";
import type { ServerWebSocket } from "bun";
import { Room } from "./Room";
import { Profile } from "./Profile";
import { addSiteBan, getSiteBan, removeSiteBan } from "./Database";
const CEventType = proto.ClientMessage_EventType;
const SEventType = proto.ServerMessage_EventType;
export class Server {
static wses: ServerWebSocket<Client>[] = [];
static rooms = new Map<string, Room>();
static profiles = new Map<string, Profile>();
static systemMessage(message: string): proto.ServerMessage {
return new proto.ServerMessage({
event: proto.ServerMessage_EventType.CHAT,
chat: {
id: "",
content: message,
name: "",
color: "",
},
});
}
static updateRooms() {
const roomsPacket = new proto.ServerMessage({
event: SEventType.ROOMS,
rooms: [...Server.rooms.values()]
.filter((z) => !z.private)
.map((z) => {
return { room: z.name, count: z.particpiants.size };
}),
});
Server.wses.forEach((z) => z.data.send(roomsPacket));
}
constructor(port: number) {
Bun.serve({
// #region WS upgrading
fetch(req, server) {
if (server.upgrade(req, { data: req.headers.get("User-Agent") })) {
return;
}
return new Response("Upgrade failed", { status: 500 });
},
// #endregion
websocket: {
message(ws: ServerWebSocket<Client>, message) {
if (typeof message == "string") return;
if (!ws.data) return;
const decode = proto.ClientMessage.fromBinary(message);
if (decode.event == CEventType.KICK) {
const modProfile = Server.profiles.get(ws.data.id);
if (!modProfile) return;
if (modProfile.role == proto.Role.USER) return;
const player = Server.wses.find((z) => z.data.id == decode.kick);
if (!player) return;
const profile = Server.profiles.get(player.data.id);
if (!profile) return;
if (
(modProfile.role == proto.Role.DEVELOPER &&
profile.role == proto.Role.DEVELOPER) ||
(modProfile.role == proto.Role.MODERATOR &&
profile.role == proto.Role.DEVELOPER)
) {
ws.data.alert(
`You cannot kick this person. You are a ${
proto.Role[modProfile.role]
}, and they are a ${proto.Role[profile.role]}.`
);
return;
}
if (!player.data.room) return;
player.data.backrooms();
}
if (decode.event == CEventType.BAN) {
const modProfile = Server.profiles.get(ws.data.id);
if (!modProfile) return;
if (modProfile.role == proto.Role.USER) return;
const player = Server.wses.find((z) => z.data.id == decode.ban!.id);
if (!player) return;
const profile = Server.profiles.get(player.data.id);
if (!profile) return;
if (
(modProfile.role == proto.Role.DEVELOPER &&
profile.role == proto.Role.DEVELOPER) ||
(modProfile.role == proto.Role.MODERATOR &&
profile.role == proto.Role.DEVELOPER)
) {
ws.data.alert(
`You cannot ban this person. You are a ${
proto.Role[modProfile.role]
}, and they are a ${proto.Role[profile.role]}.`
);
return;
}
if (!player.data.room) return;
player.data.room.ban(player, decode.ban!.minutes);
}
//#region All of these packets just regurgiated info
if (decode.event == CEventType.CHAT) {
let profile = Server.profiles.get(ws.data.id);
if (!profile) return;
const args = decode.chat.split(" ");
const command = args.shift();
if (profile.role == proto.Role.DEVELOPER) {
if (command == "/ban") {
const id = args[0];
if(getSiteBan(id)) return;
addSiteBan(id);
Server.wses.filter(z => z.data.id == id).forEach(z => {
z.close(6969);
})
ws.data.send(Server.systemMessage('Banned ID ' + id + "."))
return;
}
if (command == "/unban") {
const id = args[0];
if(!getSiteBan(id)) return;
removeSiteBan(id);
ws.data.send(Server.systemMessage('Unbanned ID ' + id + "."))
return;
}
if (command == "/unmod") {
const id = args[0];
const profile = Server.profiles.get(id);
if (!profile) return;
if (profile.role !== proto.Role.MODERATOR) return;
profile.role = proto.Role.USER;
profile.commit();
profile.emit("update");
Server.wses.forEach((z) => {
if (z.data.id == profile.id) z.close(6969);
});
ws.data.send(Server.systemMessage('Removed moderator status from ID ' + id + "."))
return;
}
if (command == "/mod") {
const id = args[0];
const profile = Server.profiles.get(id);
if (!profile) return;
if (profile.role == proto.Role.MODERATOR) return;
profile.role = proto.Role.MODERATOR;
profile.commit();
profile.emit("update");
Server.wses.forEach((z) => {
if (z.data.id == profile.id) z.close(6969);
});
ws.data.send(Server.systemMessage('Added moderator status to ID ' + id + "."))
return;
}
}
ws.data.room!.chat(ws, decode.chat);
}
if (decode.event == CEventType.CHOWN) {
if (!ws.data.room) return;
const profile = Server.profiles.get(ws.data.id);
if (!profile) return;
if (profile.role !== proto.Role.DEVELOPER) {
if (ws.data.room.owner != ws.data.id) return;
}
if (ws.data.room.owner == decode.chown) return;
ws.data.room.owner = decode.chown;
const chownPacket = new proto.ServerMessage({
event: SEventType.CHOWN,
chown: ws.data.room.owner,
});
ws.data.room.particpiants.forEach((z) => {
z.send(chownPacket);
});
}
if (decode.event == CEventType.MOVE) {
const movePacket = new proto.ServerMessage({
event: SEventType.MOVE,
move: {
id: ws.data.id,
x: decode.move!.x,
y: decode.move!.y,
},
});
ws.data.room?.particpiants.forEach((z) => {
if (z.cid != ws.data.id) {
z.send(movePacket);
}
});
}
if (decode.event == CEventType.RELEASE) {
const releasePacket = new proto.ServerMessage({
event: SEventType.RELEASE,
release: {
id: ws.data.id,
key: decode.release!.key,
},
});
ws.data.room?.particpiants.forEach((z) => {
if (z.cid != ws.data.id) {
z.send(releasePacket);
}
});
}
if (decode.event == CEventType.PRESS) {
const pressPacket = new proto.ServerMessage({
event: SEventType.PRESS,
press: {
id: ws.data.id,
key: decode.press!.key,
vel: decode.press!.vel,
},
});
ws.data.room?.particpiants.forEach((z) => {
if (z.cid != ws.data.id) {
z.send(pressPacket);
}
});
}
//#endregion
if (decode.event == CEventType.PROFILE) {
let profile = Server.profiles.get(ws.data.id);
if (!profile) {
profile = new Profile(ws.data.id);
Server.profiles.set(ws.data.id, profile);
}
profile.color = decode.profile!.color;
profile.name = decode.profile!.name;
profile.commit();
profile.emit("update");
return;
}
if (decode.event == CEventType.ROOM) {
let room = Server.rooms.get(decode.room!.room);
if (!room) {
if (ws.data.room) {
const part = ws.data.room.particpiants.get(ws.data.id);
if (part) {
part.removeClient(ws.data);
}
}
let owner = ws.data.id;
room = new Room(decode.room!.room, owner);
Server.rooms.set(room.name, room);
} else {
const time = room.checkBan(ws);
if (time) {
ws.data.alert(
`You are banned from ${room.name} for ${time}ms.`
);
return;
}
}
room.addClient(ws);
Server.updateRooms();
}
},
open(ws: ServerWebSocket<Client>) {
const client = new Client(ws);
if (getSiteBan(client.id)) {
ws.close();
return;
}
ws.data = client;
Server.wses.push(ws);
},
close(ws: ServerWebSocket<Client>, code, message) {
if (ws.data.room) {
const part = ws.data.room.particpiants.get(ws.data.id);
if (part) {
part.removeClient(ws.data);
}
}
Server.wses = Server.wses.filter((z) => z !== ws);
},
},
port,
});
}
}

27
tsconfig.json Normal file
View file

@ -0,0 +1,27 @@
{
"compilerOptions": {
// Enable latest features
"lib": ["ESNext", "DOM"],
"target": "ESNext",
"module": "ESNext",
"moduleDetection": "force",
"jsx": "react-jsx",
"allowJs": true,
// Bundler mode
"moduleResolution": "bundler",
"allowImportingTsExtensions": true,
"verbatimModuleSyntax": true,
"noEmit": true,
// Best practices
"strict": true,
"skipLibCheck": true,
"noFallthroughCasesInSwitch": true,
// Some stricter flags (disabled by default)
"noUnusedLocals": false,
"noUnusedParameters": false,
"noPropertyAccessFromIndexSignature": false
}
}