@colyseus/core/build/IPC.mjs.map

Multiplayer Framework for Node.js.

{
  "version": 3,
  "sources": ["../src/IPC.ts"],
  "sourcesContent": ["import { debugAndPrintError } from './Debug.js';\nimport { Presence } from './presence/Presence.js';\nimport { IpcProtocol } from './Protocol.js';\nimport { generateId, REMOTE_ROOM_SHORT_TIMEOUT } from './utils/Utils.js';\n\nexport async function requestFromIPC<T>(\n  presence: Presence,\n  publishToChannel: string,\n  method: string,\n  args: any[],\n  rejectionTimeout: number = REMOTE_ROOM_SHORT_TIMEOUT,\n): Promise<T> {\n  return new Promise<T>(async (resolve, reject) => {\n    let unsubscribeTimeout: NodeJS.Timeout;\n\n    const requestId = generateId();\n    const channel = `ipc:${requestId}`;\n\n    const unsubscribe = () => {\n      presence.unsubscribe(channel);\n      clearTimeout(unsubscribeTimeout);\n    };\n\n    await presence.subscribe(channel, (message: [IpcProtocol, any]) => {\n      const [code, data] = message;\n      if (code === IpcProtocol.SUCCESS) {\n        resolve(data);\n\n      } else if (code === IpcProtocol.ERROR) {\n        let error: any = data;\n\n        // parse error message + code\n        try { error = JSON.parse(data) } catch (e) {}\n\n        // turn string message into Error instance\n        if (typeof(error) === \"string\") {\n          error = new Error(error);\n        }\n\n        reject(error);\n      }\n      unsubscribe();\n    });\n\n    presence.publish(publishToChannel, [method, requestId, args]);\n\n    unsubscribeTimeout = setTimeout(() => {\n      unsubscribe();\n      reject(new Error(\"ipc_timeout\"));\n    }, rejectionTimeout);\n  });\n}\n\nexport async function subscribeIPC(\n  presence: Presence,\n  channel: string,\n  replyCallback: (method: string, args: any[]) => any,\n) {\n  await presence.subscribe(channel, (message) => {\n    const [method, requestId, args] = message;\n\n    const reply = (code, data) => {\n      presence.publish(`ipc:${requestId}`, [code, data]);\n    };\n\n    // reply with method result\n    let response: any;\n    try {\n      response = replyCallback(method, args);\n\n    } catch (e) {\n      debugAndPrintError(e);\n      const error = (typeof(e.code) !== \"undefined\")\n        ? { code: e.code, message: e.message }\n        : e.message;\n      return reply(IpcProtocol.ERROR, JSON.stringify(error));\n    }\n\n    if (!(response instanceof Promise)) {\n      return reply(IpcProtocol.SUCCESS, response);\n    }\n\n    response.\n      then((result) => reply(IpcProtocol.SUCCESS, result)).\n      catch((e) => {\n        // user might have called `reject()` without arguments.\n        const err = e && e.message || e;\n        reply(IpcProtocol.ERROR, err);\n      });\n  });\n}\n\n/**\n * Wait for a room creation notification via presence publish/subscribe\n */\nexport function subscribeWithTimeout(\n  presence: Presence,\n  channel: string,\n  timeout: number,\n): Promise<string> {\n  return new Promise((resolve, reject) => {\n    let timeoutHandle: NodeJS.Timeout;\n    let resolved = false;\n\n    const unsubscribe = () => {\n      presence.unsubscribe(channel);\n      clearTimeout(timeoutHandle);\n    };\n\n    presence.subscribe(channel, (roomId: string) => {\n      if (resolved) return;\n      resolved = true;\n      unsubscribe();\n      resolve(roomId);\n    });\n\n    timeoutHandle = setTimeout(() => {\n      if (resolved) return;\n      resolved = true;\n      unsubscribe();\n      reject(new Error(\"timeout\"));\n    }, timeout);\n  });\n}"],
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