import { encode } from "https://deno.land/x/msgpack@v1.2/mod.ts"; const Query = { "db": "database.sqlite", "commands": [ {"method": "In", "args": ["data"]}, { "method": "Find", "args": [{ "a": 1, "b": { "$gt": 2, }, }] }, ], }; const encoded: Uint8Array = encode(Query); Deno.writeFileSync("proto_test.msgpack", encoded);