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🐛 socketの接続・遮断前にlistenerを登録しないといけなかった #24

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Merged
takker99 merged 1 commit into from
Mar 3, 2022
Merged

🐛 socketの接続・遮断前にlistenerを登録しないといけなかった #24

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10 changes: 6 additions & 4 deletions browser/websocket/socket.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -12,11 +12,12 @@ export function makeSocket() {
*/
export async function connect(socket: Socket): Promise<void> {
if (socket.connected) return;
socket.connect();

return await new Promise<void>((resolve) =>
const waiting = new Promise<void>((resolve) =>
socket.once("connect", () => resolve())
);
socket.connect();
await waiting;
}

/** websocketを切断する
Expand All @@ -25,14 +26,15 @@ export async function connect(socket: Socket): Promise<void> {
*/
export async function disconnect(socket: Socket): Promise<void> {
if (socket.disconnected) return;
socket.disconnect();

return await new Promise<void>((resolve) => {
const waiting = new Promise<void>((resolve) => {
const onDisconnect = (reason: Socket.DisconnectReason) => {
if (reason !== "io client disconnect") return;
resolve();
socket.off("disconnect", onDisconnect);
};
socket.on("disconnect", onDisconnect);
});
socket.disconnect();
await waiting;
}