{"id":15649466,"url":"https://github.com/nikku/feelin","last_synced_at":"2026-01-24T16:14:44.180Z","repository":{"id":50701873,"uuid":"230336778","full_name":"nikku/feelin","owner":"nikku","description":"A DMN FEEL parser and interpreter written in JavaScript","archived":false,"fork":false,"pushed_at":"2026-01-21T20:43:32.000Z","size":1450,"stargazers_count":55,"open_issues_count":15,"forks_count":13,"subscribers_count":2,"default_branch":"main","last_synced_at":"2026-01-22T09:15:07.418Z","etag":null,"topics":["dmn","dmn-feel","feel","interpreter"],"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/nikku.png","metadata":{"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":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null},"funding":{"github":["nikku"]}},"created_at":"2019-12-26T22:39:17.000Z","updated_at":"2026-01-21T20:43:36.000Z","dependencies_parsed_at":"2023-02-11T21:30:22.413Z","dependency_job_id":"d5ac539f-1afc-4034-8d2f-af70034050ff","html_url":"https://github.com/nikku/feelin","commit_stats":{"total_commits":529,"total_committers":8,"mean_commits":66.125,"dds":"0.032136105860113395","last_synced_commit":"764a2a66e938ad9516d113cd09ce7ab444d7ea5c"},"previous_names":[],"tags_count":90,"template":false,"template_full_name":null,"purl":"pkg:github/nikku/feelin","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nikku%2Ffeelin","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nikku%2Ffeelin/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nikku%2Ffeelin/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nikku%2Ffeelin/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/nikku","download_url":"https://codeload.github.com/nikku/feelin/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nikku%2Ffeelin/sbom","scorecard":{"id":368116,"data":{"date":"2025-08-11","repo":{"name":"github.com/nikku/feelin","commit":"7ff099845bed881c579db6737ac50b18dd9688b5"},"scorecard":{"version":"v5.2.1-40-gf6ed084d","commit":"f6ed084d17c9236477efd66e5b258b9d4cc7b389"},"score":4,"checks":[{"name":"Dangerous-Workflow","score":10,"reason":"no dangerous workflow patterns detected","details":null,"documentation":{"short":"Determines if the project's GitHub Action workflows avoid dangerous patterns.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#dangerous-workflow"}},{"name":"Maintained","score":0,"reason":"0 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 0","details":null,"documentation":{"short":"Determines if the project is \"actively maintained\".","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#maintained"}},{"name":"Packaging","score":-1,"reason":"packaging workflow not detected","details":["Warn: no GitHub/GitLab publishing workflow detected."],"documentation":{"short":"Determines if the project is published as a package that others can easily download, install, easily update, and uninstall.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#packaging"}},{"name":"Code-Review","score":0,"reason":"Found 0/24 approved changesets -- score normalized to 0","details":null,"documentation":{"short":"Determines if the project requires human code review before pull requests (aka merge requests) are merged.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#code-review"}},{"name":"Binary-Artifacts","score":10,"reason":"no binaries found in the repo","details":null,"documentation":{"short":"Determines if the project has generated executable (binary) artifacts in the source repository.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#binary-artifacts"}},{"name":"Token-Permissions","score":0,"reason":"detected GitHub workflow tokens with excessive permissions","details":["Warn: no topLevel permission defined: .github/workflows/CI.yml:1","Warn: no topLevel permission defined: .github/workflows/DMN_TCK.yml:1","Info: no jobLevel write permissions found"],"documentation":{"short":"Determines if the project's workflows follow the principle of least privilege.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#token-permissions"}},{"name":"CII-Best-Practices","score":0,"reason":"no effort to earn an OpenSSF best practices badge detected","details":null,"documentation":{"short":"Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#cii-best-practices"}},{"name":"Pinned-Dependencies","score":2,"reason":"dependency not pinned by hash detected -- score normalized to 2","details":["Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/CI.yml:9: update your workflow using https://app.stepsecurity.io/secureworkflow/nikku/feelin/CI.yml/main?enable=pin","Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/CI.yml:11: update your workflow using https://app.stepsecurity.io/secureworkflow/nikku/feelin/CI.yml/main?enable=pin","Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/DMN_TCK.yml:14: update your workflow using https://app.stepsecurity.io/secureworkflow/nikku/feelin/DMN_TCK.yml/main?enable=pin","Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/DMN_TCK.yml:16: update your workflow using https://app.stepsecurity.io/secureworkflow/nikku/feelin/DMN_TCK.yml/main?enable=pin","Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/DMN_TCK.yml:21: update your workflow using https://app.stepsecurity.io/secureworkflow/nikku/feelin/DMN_TCK.yml/main?enable=pin","Info:   0 out of   5 GitHub-owned GitHubAction dependencies pinned","Info:   2 out of   2 npmCommand dependencies pinned"],"documentation":{"short":"Determines if the project has declared and pinned the dependencies of its build process.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#pinned-dependencies"}},{"name":"Fuzzing","score":0,"reason":"project is not fuzzed","details":["Warn: no fuzzer integrations found"],"documentation":{"short":"Determines if the project uses fuzzing.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#fuzzing"}},{"name":"License","score":10,"reason":"license file detected","details":["Info: project has a license file: LICENSE:0","Info: FSF or OSI recognized license: MIT License: LICENSE:0"],"documentation":{"short":"Determines if the project has defined a license.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#license"}},{"name":"Signed-Releases","score":-1,"reason":"no releases found","details":null,"documentation":{"short":"Determines if the project cryptographically signs release artifacts.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#signed-releases"}},{"name":"Branch-Protection","score":0,"reason":"branch protection not enabled on development/release branches","details":["Warn: branch protection not enabled for branch 'main'"],"documentation":{"short":"Determines if the default and release branches are protected with GitHub's branch protection settings.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#branch-protection"}},{"name":"Security-Policy","score":10,"reason":"security policy file detected","details":["Info: security policy file detected: github.com/nikku/.github/SECURITY.md:1","Info: Found linked content: github.com/nikku/.github/SECURITY.md:1","Info: Found disclosure, vulnerability, and/or timelines in security policy: github.com/nikku/.github/SECURITY.md:1","Info: Found text in security policy: github.com/nikku/.github/SECURITY.md:1"],"documentation":{"short":"Determines if the project has published a security policy.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#security-policy"}},{"name":"SAST","score":0,"reason":"SAST tool is not run on all commits -- score normalized to 0","details":["Warn: 0 commits out of 11 are checked with a SAST tool"],"documentation":{"short":"Determines if the project uses static code analysis.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#sast"}},{"name":"Vulnerabilities","score":8,"reason":"2 existing vulnerabilities detected","details":["Warn: Project is vulnerable to: GHSA-xffm-g5w8-qvg7","Warn: Project is vulnerable to: GHSA-v6h2-p8h4-qcjw"],"documentation":{"short":"Determines if the project has open, known unfixed vulnerabilities.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#vulnerabilities"}}]},"last_synced_at":"2025-08-18T12:21:00.856Z","repository_id":50701873,"created_at":"2025-08-18T12:21:00.856Z","updated_at":"2025-08-18T12:21:00.856Z"},"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":28731223,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-01-24T10:24:43.181Z","status":"ssl_error","status_checked_at":"2026-01-24T10:24:36.112Z","response_time":89,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"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":["dmn","dmn-feel","feel","interpreter"],"created_at":"2024-10-03T12:29:50.051Z","updated_at":"2026-01-24T16:14:44.176Z","avatar_url":"https://github.com/nikku.png","language":"JavaScript","funding_links":["https://github.com/sponsors/nikku"],"categories":[],"sub_categories":[],"readme":"# feelin\n\n[![CI](https://github.com/nikku/feelin/actions/workflows/CI.yml/badge.svg)](https://github.com/nikku/feelin/actions/workflows/CI.yml)\n\nA [DMN](https://www.omg.org/spec/DMN/) FEEL parser and interpreter written in JavaScript. [__:arrow_right: Try it out__](https://nikku.github.io/feel-playground).\n\n\n## Usage\n\n```javascript\nimport {\n  unaryTest,\n  evaluate\n} from 'feelin';\n\nunaryTest('1', { '?': 1 }); // { value: true, warnings: [] }\nunaryTest('[1..end]', { '?': 1, end: 10 }); // { value: true, warnings: [] }\n\nevaluate(\"Mike's daughter.name\", {\n  'Mike\\'s daughter.name': 'Lisa'\n}); // { value: 'Lisa', warnings: [] }\n\nevaluate('for a in [1, 2, 3] return a * 2'); // { value: [ 2, 4, 6 ], ... }\n\nevaluate('every rate in rates() satisfies rate \u003c 10', {\n  rates() {\n    return [ 10, 20 ];\n  }\n}); // { value: false, warnings: [] }\n```\n\nTo understand `null` conversions due to errors, inspect `warnings` returned:\n\n```javascript\nconst { value, warnings } = evaluate('x');\n\nconsole.log(warnings);\n// [\n//   {\n//     message: \"Variable 'x' not found\",\n//     type: 'NO_VARIABLE_FOUND',\n//     position: { from: 0, to: 1 },\n//   }\n// ]\n```\n\n## Features\n\n* [x] Recognizes full FEEL grammar\n* [x] Context sensitive (incl. names with spaces)\n* [x] Recovers on errors\n* [x] Temporal types and operations\n* [x] Built-in FEEL functions\n* [ ] Full [DMN TCK](https://github.com/dmn-tck/tck) compliance (cf. [coverage](./docs/DMN_TCK.md))\n\n\n## Build and Run\n\n```sh\n# build the library and run all tests\nnpm run all\n\n# spin up for local development\nnpm run dev\n\n# execute FEEL tests in DMN TCK\nnpm run tck\n```\n\n\n## Related\n\n* [lezer-feel](https://github.com/nikku/lezer-feel) - FEEL language definition for the [Lezer](https://lezer.codemirror.net/) parser system\n* [feel-playground](https://github.com/nikku/feel-playground) - Interactive playground to learn the FEEL language\n\n\n## License\n\nMIT\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnikku%2Ffeelin","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnikku%2Ffeelin","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnikku%2Ffeelin/lists"}