{"id":220461,"name":"prolens","ecosystem":"hackage","description":"Lightweight and performance implementation of optics — lenses, prisms, traversals.\n\nThe library uses hardcore abstractions internally, but provides\nbeginner-friendly, composable and convenient interface for working\nwith data structures.","homepage":"https://github.com/kowainik/prolens","licenses":"MPL-2.0","normalized_licenses":["MPL-2.0"],"repository_url":"https://github.com/kowainik/prolens","keywords_array":["data","lenses","library","mpl","optics","Propose Tags"],"namespace":null,"versions_count":2,"first_release_published_at":"2020-10-13T16:34:48.000Z","latest_release_published_at":"2021-03-14T14:04:00.000Z","latest_release_number":"0.0.0.1","last_synced_at":"2026-08-27T14:10:05.896Z","created_at":"2022-04-06T00:16:53.768Z","updated_at":"2026-08-27T14:10:05.896Z","registry_url":"https://hackage.haskell.org/package/prolens","install_command":"cabal install prolens","documentation_url":null,"metadata":{},"repo_metadata":{"id":53782131,"uuid":"302875274","full_name":"kowainik/prolens","owner":"kowainik","description":"👓 Profunctor based lightweight implementation of Lenses","archived":false,"fork":false,"pushed_at":"2023-05-30T18:58:06.000Z","size":71,"stargazers_count":72,"open_issues_count":3,"forks_count":4,"subscribers_count":5,"default_branch":"main","last_synced_at":"2026-06-27T03:06:23.888Z","etag":null,"topics":["hacktoberfest","haskell","lens","lenses","prisms","profunctor-optics","profunctors","traversal"],"latest_commit_sha":null,"homepage":"","language":"Haskell","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mpl-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/kowainik.png","metadata":{"funding":{"ko_fi":"kowainik","github":["vrom911"]},"files":{"readme":"README.md","changelog":"CHANGELOG.md","contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":".github/CODEOWNERS","security":null,"support":null,"governance":null}},"created_at":"2020-10-10T10:23:56.000Z","updated_at":"2026-01-21T08:45:35.000Z","dependencies_parsed_at":"2023-10-12T06:04:51.222Z","dependency_job_id":null,"html_url":"https://github.com/kowainik/prolens","commit_stats":{"total_commits":34,"total_committers":4,"mean_commits":8.5,"dds":0.5294117647058824,"last_synced_commit":"5d0f9311c87f59b851f932e1e37b70d519f5c39e"},"previous_names":[],"tags_count":1,"template":false,"template_full_name":null,"purl":"pkg:github/kowainik/prolens","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kowainik%2Fprolens","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kowainik%2Fprolens/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kowainik%2Fprolens/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kowainik%2Fprolens/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/kowainik","download_url":"https://codeload.github.com/kowainik/prolens/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kowainik%2Fprolens/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":35949059,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-07-20T02:08:10.276Z","status":"online","status_checked_at":"2026-07-27T02:00:06.776Z","response_time":101,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"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"},"owner_record":{"login":"kowainik","name":"Kowainik","uuid":"37126241","kind":"organization","description":"Anyone can change the world. We do. :milky_way: ","email":"xrom.xkov@gmail.com","website":"https://kowainik.github.io/","location":"London, UK","twitter":"kowainik","company":null,"icon_url":"https://avatars.githubusercontent.com/u/37126241?v=4","repositories_count":48,"last_synced_at":"2023-02-28T08:50:20.155Z","metadata":{"has_sponsors_listing":false,"funding":{"ko_fi":"kowainik","github":["vrom911"]}},"html_url":"https://github.com/kowainik","funding_links":["https://ko-fi.com/kowainik","https://github.com/sponsors/vrom911"],"total_stars":null,"followers":null,"following":null,"created_at":"2022-11-11T12:36:31.522Z","updated_at":"2023-02-28T08:50:20.157Z","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/kowainik","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/kowainik/repositories"},"tags":[{"name":"v0.0.0.1","sha":"0d06fbb3b2183851c60712ab44ef949794318dc6","kind":"commit","published_at":"2021-03-14T13:36:49.000Z","download_url":"https://codeload.github.com/kowainik/prolens/tar.gz/v0.0.0.1","html_url":"https://github.com/kowainik/prolens/releases/tag/v0.0.0.1","dependencies_parsed_at":null,"dependency_job_id":null,"purl":"pkg:github/kowainik/prolens@v0.0.0.1","tag_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kowainik%2Fprolens/tags/v0.0.0.1","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kowainik%2Fprolens/tags/v0.0.0.1/manifests"}]},"repo_metadata_updated_at":"2026-07-27T11:03:39.567Z","dependent_packages_count":0,"downloads":621,"downloads_period":"total","dependent_repos_count":2,"rankings":{"downloads":88.90658778017976,"dependent_repos_count":30.97622027534418,"dependent_packages_count":19.365115485265676,"stargazers_count":9.449311639549435,"forks_count":17.709637046307886,"docker_downloads_count":null,"average":33.28137444532939},"purl":"pkg:hackage/prolens","advisories":[],"docker_usage_url":"https://docker.ecosyste.ms/usage/hackage/prolens","docker_dependents_count":null,"docker_downloads_count":null,"usage_url":"https://repos.ecosyste.ms/usage/hackage/prolens","dependent_repositories_url":"https://repos.ecosyste.ms/api/v1/usage/hackage/prolens/dependencies","status":null,"funding_links":["https://ko-fi.com/kowainik","https://github.com/sponsors/vrom911"],"critical":null,"issue_metadata":{"last_synced_at":"2025-08-18T15:23:57.005Z","issues_count":25,"pull_requests_count":28,"avg_time_to_close_issue":154877.08695652173,"avg_time_to_close_pull_request":72111.5925925926,"issues_closed_count":23,"pull_requests_closed_count":27,"pull_request_authors_count":5,"issue_authors_count":4,"avg_comments_per_issue":0.56,"avg_comments_per_pull_request":0.03571428571428571,"merged_pull_requests_count":27,"bot_issues_count":0,"bot_pull_requests_count":0,"past_year_issues_count":0,"past_year_pull_requests_count":0,"past_year_avg_time_to_close_issue":null,"past_year_avg_time_to_close_pull_request":null,"past_year_issues_closed_count":0,"past_year_pull_requests_closed_count":0,"past_year_pull_request_authors_count":0,"past_year_issue_authors_count":0,"past_year_avg_comments_per_issue":null,"past_year_avg_comments_per_pull_request":null,"past_year_bot_issues_count":0,"past_year_bot_pull_requests_count":0,"past_year_merged_pull_requests_count":0,"issues_url":"https://issues.ecosyste.ms/api/v1/hosts/GitHub/repositories/kowainik%2Fprolens/issues","maintainers":[{"login":"vrom911","count":21,"url":"https://issues.ecosyste.ms/api/v1/hosts/GitHub/authors/vrom911"}],"active_maintainers":[]},"versions_url":"https://packages.ecosyste.ms/api/v1/registries/hackage.haskell.org/packages/prolens/versions","version_numbers_url":"https://packages.ecosyste.ms/api/v1/registries/hackage.haskell.org/packages/prolens/version_numbers","latest_version_url":"https://packages.ecosyste.ms/api/v1/registries/hackage.haskell.org/packages/prolens/latest_version","dependent_packages_url":"https://packages.ecosyste.ms/api/v1/registries/hackage.haskell.org/packages/prolens/dependent_packages","related_packages_url":"https://packages.ecosyste.ms/api/v1/registries/hackage.haskell.org/packages/prolens/related_packages","codemeta_url":"https://packages.ecosyste.ms/api/v1/registries/hackage.haskell.org/packages/prolens/codemeta","maintainers":[{"uuid":"vrom911","login":"vrom911","name":null,"email":null,"url":null,"packages_count":38,"html_url":"https://hackage.haskell.org/user/vrom911","role":null,"created_at":"2022-11-14T19:22:37.277Z","updated_at":"2022-11-14T19:22:37.277Z","packages_url":"https://packages.ecosyste.ms/api/v1/registries/hackage.haskell.org/maintainers/vrom911/packages"}]}