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effect-genserver\n\nBecause I miss elixir\n\n## Usage\n\n```\npnpm add effect-genserver\n```\n\n```ts\nimport { Effect, Layer, Schema } from \"effect\"\nimport { Rpc, RpcServer } from \"effect/unstable/rpc\"\nimport { ClusterGenServer, GenServer, RpcGenServer } from \"effect-genserver\"\n\n// schema definition\nexport const Counter = GenServer.make({\n  state: Schema.Struct({\n    count: Schema.Int,\n  }),\n  protocol: [\n    Rpc.make(\"increment\", {\n      payload: {\n        amount: Schema.Int,\n      },\n    }),\n    Rpc.make(\"decrement\", {\n      payload: {\n        amount: Schema.Int,\n      },\n    }),\n  ],\n})\n\n// implementation\nexport const CounterLayer = Counter.toLayer(\n  Effect.gen(function* () {\n    yield* Effect.log(\"booting counter\")\n    const send = yield* Counter.sender\n\n    // queue initial messages\n    yield* send(\"increment\", { amount: 1 })\n\n    return Counter.of(\n      // initial state\n      { count: 0 },\n      // handlers\n      {\n        increment: Effect.fn(\"Counter.increment\")(function* ({\n          payload,\n          state,\n        }) {\n          yield* Effect.log(\"incrementing counter\")\n\n          // handlers return a tuple of [new state, success value]\n          return [\n            {\n              ...state,\n              count: state.count + payload.amount,\n            },\n            void 0,\n          ]\n        }),\n        decrement: Effect.fn(\"Counter.decrement\")(function* ({\n          payload,\n          state,\n        }) {\n          yield* Effect.log(\"decrementing counter\")\n          return [\n            {\n              ...state,\n              count: state.count - payload.amount,\n            },\n            void 0,\n          ]\n        }),\n      },\n    )\n  }),\n)\n\n// Derive a cluster entity\nexport const CounterEntity = ClusterGenServer.entity(\"Counter\", Counter)\n\n// Create the cluster implementation\nexport const CounterEntityLayer = CounterEntity.toLayer(\n  ClusterGenServer.entityHandlers(Counter, CounterLayer),\n)\n\n// Derive a RpcGroup\nexport class CounterRpcGroup extends Counter.protocol {}\n\n// Create the rpc handlers implementation\nexport const RpcHandlers = RpcGenServer.toRpcHandlers(Counter, CounterLayer)\n\n// Create the rpc server\nexport const RpcServerLayer = RpcServer.layer(CounterRpcGroup).pipe(\n  Layer.provide(RpcHandlers),\n)\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftim-smart%2Feffect-genserver","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftim-smart%2Feffect-genserver","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftim-smart%2Feffect-genserver/lists"}