{"id":18361768,"url":"https://github.com/paldepind/dot-compose","last_synced_at":"2025-04-06T14:32:08.538Z","repository":{"id":33335621,"uuid":"36980420","full_name":"paldepind/dot-compose","owner":"paldepind","description":"Function composition with dot as a composition operator.","archived":false,"fork":false,"pushed_at":"2015-06-24T18:07:55.000Z","size":148,"stargazers_count":23,"open_issues_count":0,"forks_count":0,"subscribers_count":4,"default_branch":"master","last_synced_at":"2024-04-17T02:59:33.107Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/paldepind.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":"2015-06-06T13:10:29.000Z","updated_at":"2023-04-29T20:25:26.000Z","dependencies_parsed_at":"2022-08-29T09:02:22.479Z","dependency_job_id":null,"html_url":"https://github.com/paldepind/dot-compose","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/paldepind%2Fdot-compose","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/paldepind%2Fdot-compose/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/paldepind%2Fdot-compose/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/paldepind%2Fdot-compose/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/paldepind","download_url":"https://codeload.github.com/paldepind/dot-compose/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":223255014,"owners_count":17114534,"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":[],"created_at":"2024-11-05T22:35:22.559Z","updated_at":"2024-11-05T22:35:23.330Z","avatar_url":"https://github.com/paldepind.png","language":"JavaScript","readme":"# dot-compose\n\nCombines the tersness of chaining with the power and flexibility of function\ncomposition. It temporarily redefines JavaScripts property access operator `.`\ninto meaning function composition.\n\n## Example\n\nWith Ramda.\n\n```javascript\nvar r = dotCompose.Group(R); // Creates a compose group with all functions in `R`\n\n//    ╭── Starts composition\n//    │\n//    │       ╭──────┬────────── The dots represents composition\n//    ↓       ↓      ↓\nR.map(r.add(2).negate.divide(R.__, 3).$, [3, 6, 9, 12]); //=\u003e [1, 0, -1, -2]\n//          ↑                ↑        ↑\n//          │                │        ╰── The dollar sign ends the composition\n//          │                │\n//          ╰── Partial application works with curried functions\n```\n\n## Tutorial\n\n### Composition groups\n\nA composition group is created with `Group`.\n\n```javascript\nvar c = dotCompose.Group();\n```\n\nSupplying an object adds all functions in the object to the group.\n\n```javascript\nvar r = dotCompose.Group({\n  half: function(n) { return n / 2; },\n  square: function(n) { return n * n; },\n});\n```\n\nFunctions can be added to a group with `add`.\n\n```javascript\nvar group = dotCompose.Group();\ndotCompose.add(group, function add(n, m) { return n + m; });\n```\n\n`add` returns the added function unchanged.\n\n```javascript\nvar group = dotCompose.Group();\nvar add = dotCompose.add(group, function add(n, m) { return n + m; });\n```\n\n### Function injection\n\nOnly functions in the same composition group can be composed together.\nArbitrary functions can be injected and composed with functions from a group by\nusing `_`.\n\n```javascript\nvar add3 = function(n) { return n + 3; };\nvar c = dotCompose.Group({\n  half: function(n) { return n / 2; },\n  square: function(n) { return n * n; },\n});\nc.half._(add3).square(5); //=\u003e 14\n```\n\n### Currying of composed functions\n\nIf you supply dot-compose a curry function it will automatically curry the\ncomposed functions.\n\n```javascript\ndotCompose.curryN(R.curryN);\n```\n\n## Environment support\n\ndot-compose uses getters from ECMAScript 4. It works from Internet Explore 9\nand in everything else.\n\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpaldepind%2Fdot-compose","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fpaldepind%2Fdot-compose","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpaldepind%2Fdot-compose/lists"}