inngest
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Official SDK for Inngest.com. Inngest is the reliability layer for modern applications. Inngest combines durable execution, events, and queues into a zero-infra platform with built-in observability.
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{"version":3,"file":"BaseStrategy.cjs","names":["ConnectionState","onShutdown"],"sources":["../../../../../src/components/connect/strategies/core/BaseStrategy.ts"],"sourcesContent":["import type { Logger } from \"../../../../middleware/logger.ts\";\nimport { onShutdown } from \"../../os.ts\";\nimport { ConnectionState } from \"../../types.ts\";\nimport type { ConnectionStrategy } from \"./types.ts\";\n\n/**\n * Base class for connection strategies providing common functionality for state\n * management, shutdown signal handling, and close lifecycle.\n */\nexport abstract class BaseStrategy implements ConnectionStrategy {\n protected _state: ConnectionState = ConnectionState.CONNECTING;\n protected closingPromise: Promise<void>;\n protected resolveClosingPromise:\n | ((value: void | PromiseLike<void>) => void)\n | undefined;\n protected cleanupShutdownSignal: (() => void) | undefined;\n\n protected readonly internalLogger: Logger;\n\n constructor({ logger }: { logger: Logger }) {\n this.internalLogger = logger;\n this.closingPromise = new Promise((resolve) => {\n this.resolveClosingPromise = resolve;\n });\n }\n\n get state(): ConnectionState {\n return this._state;\n }\n\n get closed(): Promise<void> {\n return this.closingPromise;\n }\n\n abstract get connectionId(): string | undefined;\n abstract connect(attempt?: number): Promise<void>;\n abstract close(): Promise<void>;\n\n /**\n * Set up shutdown signal handlers that will trigger close() on SIGINT/SIGTERM.\n */\n protected setupShutdownSignal(signals: string[]): void {\n if (this.cleanupShutdownSignal) {\n return;\n }\n\n this.internalLogger.debug(\n { signals },\n \"Setting up shutdown signal handler\",\n );\n\n const cleanupShutdownHandlers = onShutdown(signals, () => {\n this.internalLogger.debug(\n { signals },\n \"Received shutdown signal, closing connection\",\n );\n void this.close();\n });\n\n this.cleanupShutdownSignal = () => {\n this.internalLogger.debug(\"Cleaning up shutdown signal handler\");\n cleanupShutdownHandlers();\n };\n }\n\n /**\n * Clean up shutdown signal handlers. Call at the start of close().\n */\n protected cleanupShutdown(): void {\n if (this.cleanupShutdownSignal) {\n this.cleanupShutdownSignal();\n this.cleanupShutdownSignal = undefined;\n }\n }\n\n /**\n * Mark the connection as closing. Call after cleanupShutdown().\n */\n protected setClosing(): void {\n this._state = ConnectionState.CLOSING;\n }\n\n /**\n * Mark the connection as closed and resolve the closing promise.\n * Call at the end of close().\n */\n protected setClosed(): void {\n this._state = ConnectionState.CLOSED;\n this.resolveClosingPromise?.();\n }\n\n /**\n * Set up shutdown signals if configured in options.\n * Call at the start of connect().\n */\n protected setupShutdownSignalIfConfigured(\n handleShutdownSignals: string[] | undefined,\n ): void {\n if (handleShutdownSignals && handleShutdownSignals.length > 0) {\n this.setupShutdownSignal(handleShutdownSignals);\n }\n }\n\n /**\n * Throw if the connection is closing or closed.\n * Call at the start of connect().\n */\n protected throwIfClosingOrClosed(): void {\n if (\n this._state === ConnectionState.CLOSING ||\n this._state === ConnectionState.CLOSED\n ) {\n throw new Error(\"Connection already closed\");\n }\n }\n}\n"],"mappings":";;;;;;;;AASA,IAAsB,eAAtB,MAAiE;CAC/D,AAAU,SAA0BA,8BAAgB;CACpD,AAAU;CACV,AAAU;CAGV,AAAU;CAEV,AAAmB;CAEnB,YAAY,EAAE,UAA8B;AAC1C,OAAK,iBAAiB;AACtB,OAAK,iBAAiB,IAAI,SAAS,YAAY;AAC7C,QAAK,wBAAwB;IAC7B;;CAGJ,IAAI,QAAyB;AAC3B,SAAO,KAAK;;CAGd,IAAI,SAAwB;AAC1B,SAAO,KAAK;;;;;CAUd,AAAU,oBAAoB,SAAyB;AACrD,MAAI,KAAK,sBACP;AAGF,OAAK,eAAe,MAClB,EAAE,SAAS,EACX,qCACD;EAED,MAAM,0BAA0BC,sBAAW,eAAe;AACxD,QAAK,eAAe,MAClB,EAAE,SAAS,EACX,+CACD;AACD,GAAK,KAAK,OAAO;IACjB;AAEF,OAAK,8BAA8B;AACjC,QAAK,eAAe,MAAM,sCAAsC;AAChE,4BAAyB;;;;;;CAO7B,AAAU,kBAAwB;AAChC,MAAI,KAAK,uBAAuB;AAC9B,QAAK,uBAAuB;AAC5B,QAAK,wBAAwB;;;;;;CAOjC,AAAU,aAAmB;AAC3B,OAAK,SAASD,8BAAgB;;;;;;CAOhC,AAAU,YAAkB;AAC1B,OAAK,SAASA,8BAAgB;AAC9B,OAAK,yBAAyB;;;;;;CAOhC,AAAU,gCACR,uBACM;AACN,MAAI,yBAAyB,sBAAsB,SAAS,EAC1D,MAAK,oBAAoB,sBAAsB;;;;;;CAQnD,AAAU,yBAA+B;AACvC,MACE,KAAK,WAAWA,8BAAgB,WAChC,KAAK,WAAWA,8BAAgB,OAEhC,OAAM,IAAI,MAAM,4BAA4B"}