{"id":19655821,"url":"https://github.com/ryanpcmcquen/flatmap-fast","last_synced_at":"2025-08-22T12:32:56.339Z","repository":{"id":57238039,"uuid":"59375284","full_name":"ryanpcmcquen/flatmap-fast","owner":"ryanpcmcquen","description":"A fast and modern flatMap for node. Monads for the win!","archived":false,"fork":false,"pushed_at":"2022-04-18T04:31:49.000Z","size":31,"stargazers_count":2,"open_issues_count":0,"forks_count":2,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-08-17T15:36:32.340Z","etag":null,"topics":["flatmap","hacktoberfest"],"latest_commit_sha":null,"homepage":"https://www.npmjs.com/package/flatmap-fast","language":"JavaScript","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/ryanpcmcquen.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":"2016-05-21T18:20:29.000Z","updated_at":"2023-03-08T04:41:19.000Z","dependencies_parsed_at":"2022-08-26T15:11:06.030Z","dependency_job_id":null,"html_url":"https://github.com/ryanpcmcquen/flatmap-fast","commit_stats":null,"previous_names":[],"tags_count":12,"template":false,"template_full_name":null,"purl":"pkg:github/ryanpcmcquen/flatmap-fast","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ryanpcmcquen%2Fflatmap-fast","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ryanpcmcquen%2Fflatmap-fast/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ryanpcmcquen%2Fflatmap-fast/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ryanpcmcquen%2Fflatmap-fast/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/ryanpcmcquen","download_url":"https://codeload.github.com/ryanpcmcquen/flatmap-fast/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ryanpcmcquen%2Fflatmap-fast/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":271637880,"owners_count":24794569,"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","status":"online","status_checked_at":"2025-08-22T02:00:08.480Z","response_time":65,"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"}},"keywords":["flatmap","hacktoberfest"],"created_at":"2024-11-11T15:23:59.800Z","updated_at":"2025-08-22T12:32:56.292Z","avatar_url":"https://github.com/ryanpcmcquen.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"[![Gitpod ready-to-code](https://img.shields.io/badge/Gitpod-ready--to--code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/ryanpcmcquen/flatmap-fast)\n\n# flatmap-fast\n\nThe fastest `flatMap` this side of `node`.\n\nTakes two arguments:\n\n  1. An array.\n  2. A callback function (optional).\n\n```javascript\nconst flatMap = require(\"flatmap-fast\");\n\nconst testArr = ['Hi', 'World'];\nconst splitWord = (word) =\u003e word.split('');\n\nflatMap(testArr, splitWord);\n\n// =\u003e ['H', 'i', 'W', 'o', 'r', 'l', 'd']\n\nflatMap([1, 2, 3, 4], (x) =\u003e [x, x * 2]);\n\n// =\u003e [1, 2, 2, 4, 3, 6, 4, 8]\n```\n\nRun `npm test` to test this flatMap against other flatMaps.\n\n```javascript\n$ node --version\nv12.18.3\n$ yarn test\nyarn run v1.22.4\n$ node test.js\n// =\u003e flatMapFast took: 650.86651 milliseconds.\n[\n  'H', 'i', 'W',\n  'o', 'r', 'l',\n  'd'\n]\n// =\u003e flatmapjs took: 667.361729 milliseconds.\n[\n  'H', 'i', 'W',\n  'o', 'r', 'l',\n  'd'\n]\n// =\u003e flatMapFast took: 517.463478 milliseconds.\n[\n  1, 2, 2, 4,\n  3, 6, 4, 8\n]\n// =\u003e flatmapjs took: 676.208413 milliseconds.\n[\n  1, 2, 2, 4,\n  3, 6, 4, 8\n]\nDone in 2.74s.\n```\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fryanpcmcquen%2Fflatmap-fast","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fryanpcmcquen%2Fflatmap-fast","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fryanpcmcquen%2Fflatmap-fast/lists"}