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Handle typing messages

This commit is contained in:
Tobias Berger 2022-01-17 16:20:31 +01:00
parent ec24191307
commit 385722732f
4 changed files with 60 additions and 16 deletions

2
lib

@ -1 +1 @@
Subproject commit 61c9d61229a18f5b484a7927bc343650024efc96
Subproject commit a957a29498d6b9c3b121f8e27e43ad73d9342075

View file

@ -25,10 +25,10 @@
"@rollup/plugin-commonjs": "^21.0.1",
"@rollup/plugin-node-resolve": "^13.1.3",
"@types/ws": "^8.2.2",
"rollup": "^2.63.0",
"rollup": "^2.64.0",
"rollup-plugin-terser": "^7.0.2",
"rollup-plugin-typescript2": "^0.31.1",
"typescript": "^4.5.4",
"ws": "^8.4.1"
"ws": "^8.4.2"
}
}

View file

@ -8,16 +8,19 @@ import type {
AckMessage,
IdResponseMessage,
TextMessage,
TypingMessage,
} from "./lib/ServerMessage";
import {
isServerMessage,
isTextMessage,
isTypingMessage,
MessageType,
} from "./lib/ServerMessage";
const port = 8085;
const timeout = 15000;
const typingTimeout = 2000;
const httpsServer = https.createServer({
key: fs.readFileSync("./key.pem"),
@ -25,6 +28,10 @@ const httpsServer = https.createServer({
});
const webSocketServer = new WebSocketServer({ server: httpsServer });
/* If not using SSL/TLS
const webSocketServer = new WebSocketServer({ port });
*/
console.log("listening on port: " + port);
async function handleTextMessage(message: TextMessage, from: string) {
@ -39,12 +46,47 @@ async function handleTextMessage(message: TextMessage, from: string) {
}
}
const activeConnections = new Set<string>();
const currentlyTyping = new Set<string>();
const currentlyTypingTimeouts = new Map<string, ReturnType<typeof setTimeout>>();
async function handleTypingMessage(_message: TypingMessage, from: string) {
currentlyTyping.add(from);
if(currentlyTypingTimeouts.has(from)) {
clearTimeout(currentlyTypingTimeouts.get(from)!);
}
currentlyTypingTimeouts.set(from, setTimeout(() => {
currentlyTyping.delete(from);
currentlyTypingTimeouts.delete(from);
sendCurrentlyTypingMessage(from, true);
}, typingTimeout));
sendCurrentlyTypingMessage(from);
}
async function sendCurrentlyTypingMessage(from?: string, stopped = false) {
for (const to of webSocketServer.clients) {
to.send(
JSON.stringify(
Object.assign({
type: MessageType.CURRENTLY_TYPING,
date: Date.now(),
}, {
currently: Array.from(currentlyTyping.values()),
}, from === undefined ? {
__ctx: "regular update",
} : {
__ctx: from + (stopped ? " stopped typing" : " started typing"),
})
)
)
}
}
async function handleCloseConnection(id: string) {
activeConnections.delete(id);
}
const activeConnections = new Set<string>();
webSocketServer.on("connection", function connection(socket) {
const close = (reason: string, code: number = 1000) => {
socket.send(
@ -71,6 +113,8 @@ webSocketServer.on("connection", function connection(socket) {
if (message.author === authorId) {
handleTextMessage(message, authorId);
}
} else if (isTypingMessage(message)) {
handleTypingMessage(message, authorId);
}
clearTimeout(closeTimeout);

View file

@ -84,9 +84,9 @@
integrity sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==
"@types/node@*":
version "17.0.8"
resolved "https://registry.yarnpkg.com/@types/node/-/node-17.0.8.tgz#50d680c8a8a78fe30abe6906453b21ad8ab0ad7b"
integrity sha512-YofkM6fGv4gDJq78g4j0mMuGMkZVxZDgtU0JRdx6FgiJDG+0fY0GKVolOV8WqVmEhLCXkQRjwDdKyPxJp/uucg==
version "17.0.9"
resolved "https://registry.yarnpkg.com/@types/node/-/node-17.0.9.tgz#0b7f161afb5b1cc12518d29b2cdc7175d5490628"
integrity sha512-5dNBXu/FOER+EXnyah7rn8xlNrfMOQb/qXnw4NQgLkCygKBKhdmF/CA5oXVOKZLBEahw8s2WP9LxIcN/oDDRgQ==
"@types/resolve@1.17.1":
version "1.17.1"
@ -513,10 +513,10 @@ rollup-plugin-typescript2@^0.31.1:
resolve "1.20.0"
tslib "2.2.0"
rollup@^2.63.0:
version "2.63.0"
resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.63.0.tgz#fe2f7fec2133f3fab9e022b9ac245628d817c6bb"
integrity sha512-nps0idjmD+NXl6OREfyYXMn/dar3WGcyKn+KBzPdaLecub3x/LrId0wUcthcr8oZUAcZAR8NKcfGGFlNgGL1kQ==
rollup@^2.64.0:
version "2.64.0"
resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.64.0.tgz#f0f59774e21fbb56de438a37d06a2189632b207a"
integrity sha512-+c+lbw1lexBKSMb1yxGDVfJ+vchJH3qLbmavR+awDinTDA2C5Ug9u7lkOzj62SCu0PKUExsW36tpgW7Fmpn3yQ==
optionalDependencies:
fsevents "~2.3.2"
@ -635,10 +635,10 @@ wrappy@1:
resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
ws@^8.4.1:
version "8.4.1"
resolved "https://registry.yarnpkg.com/ws/-/ws-8.4.1.tgz#ce1a17e553d2b794e017fa94887808db5c67f614"
integrity sha512-6eqQ4yN2y2xv8b+BgbkUzPPyfo/PDl3VOWb06ZE0jIFYwuHMsMQN6F7o84yxJYCblfCRAxzpU59We4Rr4w0Luw==
ws@^8.4.2:
version "8.4.2"
resolved "https://registry.yarnpkg.com/ws/-/ws-8.4.2.tgz#18e749868d8439f2268368829042894b6907aa0b"
integrity sha512-Kbk4Nxyq7/ZWqr/tarI9yIt/+iNNFOjBXEWgTb4ydaNHBNGgvf2QHbS9fdfsndfjFlFwEd4Al+mw83YkaD10ZA==
yocto-queue@^0.1.0:
version "0.1.0"