{"id":20307535,"url":"https://github.com/pink-gorilla/nrepl-middleware","last_synced_at":"2025-12-12T01:24:59.819Z","repository":{"id":53723948,"uuid":"216034116","full_name":"pink-gorilla/nrepl-middleware","owner":"pink-gorilla","description":"nrepl-middleware","archived":false,"fork":false,"pushed_at":"2023-08-15T01:52:36.000Z","size":286,"stargazers_count":3,"open_issues_count":3,"forks_count":0,"subscribers_count":0,"default_branch":"master","last_synced_at":"2025-03-25T11:21:28.713Z","etag":null,"topics":["clojure","clojurescript","goldly","notebook","nrepl","nrepl-middleware"],"latest_commit_sha":null,"homepage":"","language":"Clojure","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"epl-1.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/pink-gorilla.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2019-10-18T13:47:54.000Z","updated_at":"2023-08-15T01:51:12.000Z","dependencies_parsed_at":"2022-08-30T21:12:44.654Z","dependency_job_id":null,"html_url":"https://github.com/pink-gorilla/nrepl-middleware","commit_stats":null,"previous_names":["pink-gorilla/gorilla-middleware"],"tags_count":68,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/pink-gorilla%2Fnrepl-middleware","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/pink-gorilla%2Fnrepl-middleware/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/pink-gorilla%2Fnrepl-middleware/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/pink-gorilla%2Fnrepl-middleware/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/pink-gorilla","download_url":"https://codeload.github.com/pink-gorilla/nrepl-middleware/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248429113,"owners_count":21101784,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["clojure","clojurescript","goldly","notebook","nrepl","nrepl-middleware"],"created_at":"2024-11-14T17:18:03.939Z","updated_at":"2025-12-12T01:24:59.775Z","avatar_url":"https://github.com/pink-gorilla.png","language":"Clojure","funding_links":[],"categories":[],"sub_categories":[],"readme":"# NREPL Middleware [![GitHub Actions status |pink-gorilla/gorilla-middleware](https://github.com/pink-gorilla/nrepl-middleware/workflows/CI/badge.svg)](https://github.com/pink-gorilla/nrepl-middleware/actions?workflow=CI)[![Codecov Project](https://codecov.io/gh/pink-gorilla/nrepl-middleware/branch/master/graph/badge.svg)](https://codecov.io/gh/pink-gorilla/nrepl-middleware)[![Clojars Project](https://img.shields.io/clojars/v/org.pinkgorilla/nrepl-middleware.svg)](https://clojars.org/org.pinkgorilla/nrepl-middleware)\n\n- This project is used in [Notebook](https://github.com/pink-gorilla/gorilla-notebook).\n\n## features\n- nrepl websocket relay (browsers can not connect to normal tcp ports)\n- nrepl middleware that renders evalued results from notebook session\n- nepl middlewre that sniffs evals on other nrepl session\n- nrepl client (clj and cljs)on core.async\n\n## Middleware cli demo\n\nTo test picasso and sniffer middleware run 3 different terminal windows\nand execute this 3 commands in this order\n\n```\nclojure -X:relay  ; this runs jetty http server with websocket relay (port 9000)\nclojure -M:client -m sink   ; will listen to sniffed evals\nclojure -M:client -m ide -i ./snippets/sniffer.edn \nclojure -M:client -m ide -i ./snippets/sniffer-min.edn\n\n ; will do a few evals that wil show up on listen\n```\n\n## WebRelay websocket demo\n\nTo see a simple websocket frontend, run in 2 terminal windows:\n\n```\nclojure -M:relay  ; this runs jetty http server with websocket relay (port 9000)\n```\n\n```\nclojure -M:demo         ; browser app served with shadow-cljs dev server port 8000\n```\n\n\n\n## Design of websocket relay\n\nServer\n- Browser can only do websocket and not normal sockets.\n- Server Relay runs as ring request-handler, and returns new websocket handler\n- the websocket handler creates a new nrel client connection, and then\n  forwards requests in both ways.\n- currently we create nrepl server to connect to.\n\nBrowser:\n- The code is spit into several stateful components.\n- layer1 is websocket connection. Provides two core async channels.\n  Manages connection / reconnection.\n- layer2: request router. Manages pending requests, returns for each nrepl-op\n  a dedicated return channel, which is sent fragment by fragment. \n  The request channel will be closed after the last fragment is received. \n- layer3:    \n\nLogging:\n- Lots of logging with timbre at DEBUG level\n- If you dot want lots of output, set loglevel to INFO\n\n\n#### Test if javadoc is installed:\nclj -Srepro -e \"(import '(jdk.javadoc.doclet Doclet))\"","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpink-gorilla%2Fnrepl-middleware","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fpink-gorilla%2Fnrepl-middleware","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpink-gorilla%2Fnrepl-middleware/lists"}