{"id":1696250,"name":"expr-tree","ecosystem":"npm","description":"An expression tree system for node.js. This library provides methods to parse Reverse Polish Notation (RPN) and useful functions to analyse and work with expression trees.","homepage":"https://github.com/iLambda/expr-tree","licenses":"MIT","normalized_licenses":["MIT"],"repository_url":"https://github.com/iLambda/expr-tree","keywords_array":["expr","expression","tree","forest","rpn","parse","reverse","polish","notation"],"namespace":null,"versions_count":6,"first_release_published_at":"2015-12-26T00:52:35.469Z","latest_release_published_at":"2016-09-04T22:28:22.628Z","latest_release_number":"0.1.6","last_synced_at":"2026-05-22T08:19:28.007Z","created_at":"2022-04-09T15:17:52.031Z","updated_at":"2026-05-22T08:19:28.007Z","registry_url":"https://www.npmjs.com/package/expr-tree","install_command":"npm install expr-tree","documentation_url":null,"metadata":{"funding":null,"dist-tags":{"latest":"0.1.6"}},"repo_metadata":{"id":143878695,"uuid":"48587402","full_name":"iLambda/expr-tree","owner":"iLambda","description":"An expression tree system for node.js","archived":false,"fork":false,"pushed_at":"2016-09-04T22:28:10.000Z","size":151,"stargazers_count":5,"open_issues_count":0,"forks_count":2,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-08-09T05:54:09.092Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"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/iLambda.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,"governance":null}},"created_at":"2015-12-25T17:42:03.000Z","updated_at":"2022-07-08T12:56:09.000Z","dependencies_parsed_at":"2023-09-29T06:35:11.012Z","dependency_job_id":null,"html_url":"https://github.com/iLambda/expr-tree","commit_stats":{"total_commits":16,"total_committers":2,"mean_commits":8.0,"dds":0.0625,"last_synced_commit":"1fe63c54d302f91927cba0db697c5f7c8011398f"},"previous_names":[],"tags_count":3,"template":false,"template_full_name":null,"purl":"pkg:github/iLambda/expr-tree","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/iLambda","download_url":"https://codeload.github.com/iLambda/expr-tree/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree/sbom","scorecard":{"id":476706,"data":{"date":"2025-08-11","repo":{"name":"github.com/iLambda/expr-tree","commit":"1fe63c54d302f91927cba0db697c5f7c8011398f"},"scorecard":{"version":"v5.2.1-40-gf6ed084d","commit":"f6ed084d17c9236477efd66e5b258b9d4cc7b389"},"score":3,"checks":[{"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":"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":"Dangerous-Workflow","score":-1,"reason":"no workflows found","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":"SAST","score":0,"reason":"no SAST tool detected","details":["Warn: no pull requests merged into dev branch"],"documentation":{"short":"Determines if the project uses static code analysis.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#sast"}},{"name":"Code-Review","score":0,"reason":"Found 0/16 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":"Maintained","score":0,"reason":"0 commit(s) and 0 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":"Token-Permissions","score":-1,"reason":"No tokens found","details":null,"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":"Pinned-Dependencies","score":-1,"reason":"no dependencies found","details":null,"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":"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":"Security-Policy","score":0,"reason":"security policy file not detected","details":["Warn: no security policy file detected","Warn: no security file to analyze","Warn: no security file to analyze","Warn: no security file to analyze"],"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":"Vulnerabilities","score":10,"reason":"0 existing vulnerabilities detected","details":null,"documentation":{"short":"Determines if the project has open, known unfixed vulnerabilities.","url":"https://github.com/ossf/scorecard/blob/f6ed084d17c9236477efd66e5b258b9d4cc7b389/docs/checks.md#vulnerabilities"}},{"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":"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":"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":"Branch-Protection","score":0,"reason":"branch protection not enabled on development/release branches","details":["Warn: branch protection not enabled for branch 'master'"],"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"}}]},"last_synced_at":"2025-08-19T15:29:26.270Z","repository_id":143878695,"created_at":"2025-08-19T15:29:26.270Z","updated_at":"2025-08-19T15:29:26.270Z"},"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":272770498,"owners_count":24990179,"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":"2025-08-29T02:00:10.610Z","response_time":87,"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":"iLambda","name":"Ada","uuid":"2763457","kind":"user","description":"","email":"","website":null,"location":"Paris, France","twitter":null,"company":null,"icon_url":"https://avatars.githubusercontent.com/u/2763457?u=e1bd15fe69c7da90d6b0232c8ee0000cc772270f\u0026v=4","repositories_count":55,"last_synced_at":"2024-04-08T15:30:09.119Z","metadata":{"has_sponsors_listing":false},"html_url":"https://github.com/iLambda","funding_links":[],"total_stars":46,"followers":30,"following":25,"created_at":"2022-11-03T18:56:31.054Z","updated_at":"2024-04-08T15:30:11.226Z","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/iLambda","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/iLambda/repositories"},"tags":[{"name":"v0.1.2","sha":"b946fd2583b0bf76552623ade8d00feae497852b","kind":"tag","published_at":"2015-12-27T00:00:55.000Z","download_url":"https://codeload.github.com/iLambda/expr-tree/tar.gz/v0.1.2","html_url":"https://github.com/iLambda/expr-tree/releases/tag/v0.1.2","dependencies_parsed_at":null,"dependency_job_id":null,"purl":"pkg:github/iLambda/expr-tree@v0.1.2","tag_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree/tags/v0.1.2","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree/tags/v0.1.2/manifests"},{"name":"v0.1.1","sha":"7bfc991a72f0db97039801140c339a054e512e54","kind":"tag","published_at":"2015-12-26T02:05:41.000Z","download_url":"https://codeload.github.com/iLambda/expr-tree/tar.gz/v0.1.1","html_url":"https://github.com/iLambda/expr-tree/releases/tag/v0.1.1","dependencies_parsed_at":null,"dependency_job_id":null,"purl":"pkg:github/iLambda/expr-tree@v0.1.1","tag_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree/tags/v0.1.1","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree/tags/v0.1.1/manifests"},{"name":"0.1.0","sha":"a1cb3991a931cd411db466cd699cff06008b0f96","kind":"commit","published_at":"2015-12-25T17:42:03.000Z","download_url":"https://codeload.github.com/iLambda/expr-tree/tar.gz/0.1.0","html_url":"https://github.com/iLambda/expr-tree/releases/tag/0.1.0","dependencies_parsed_at":null,"dependency_job_id":null,"purl":"pkg:github/iLambda/expr-tree@0.1.0","tag_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree/tags/0.1.0","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iLambda%2Fexpr-tree/tags/0.1.0/manifests"}]},"repo_metadata_updated_at":"2026-02-20T04:49:16.667Z","dependent_packages_count":1,"downloads":11,"downloads_period":"last-month","dependent_repos_count":1,"rankings":{"downloads":18.435614968707785,"dependent_repos_count":10.733161078580347,"dependent_packages_count":21.173788203245365,"stargazers_count":11.817645833291655,"forks_count":10.146035487603745,"docker_downloads_count":null,"average":14.461249114285781},"purl":"pkg:npm/expr-tree","advisories":[],"docker_usage_url":"https://docker.ecosyste.ms/usage/npm/expr-tree","docker_dependents_count":null,"docker_downloads_count":null,"usage_url":"https://repos.ecosyste.ms/usage/npm/expr-tree","dependent_repositories_url":"https://repos.ecosyste.ms/api/v1/usage/npm/expr-tree/dependencies","status":null,"funding_links":[],"critical":null,"issue_metadata":{"last_synced_at":"2025-08-10T09:34:08.475Z","issues_count":0,"pull_requests_count":0,"avg_time_to_close_issue":null,"avg_time_to_close_pull_request":null,"issues_closed_count":0,"pull_requests_closed_count":0,"pull_request_authors_count":0,"issue_authors_count":0,"avg_comments_per_issue":null,"avg_comments_per_pull_request":null,"merged_pull_requests_count":0,"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/iLambda%2Fexpr-tree/issues","maintainers":[],"active_maintainers":[]},"versions_url":"https://packages.ecosyste.ms/api/v1/registries/npmjs.org/packages/expr-tree/versions","version_numbers_url":"https://packages.ecosyste.ms/api/v1/registries/npmjs.org/packages/expr-tree/version_numbers","latest_version_url":"https://packages.ecosyste.ms/api/v1/registries/npmjs.org/packages/expr-tree/latest_version","dependent_packages_url":"https://packages.ecosyste.ms/api/v1/registries/npmjs.org/packages/expr-tree/dependent_packages","related_packages_url":"https://packages.ecosyste.ms/api/v1/registries/npmjs.org/packages/expr-tree/related_packages","codemeta_url":"https://packages.ecosyste.ms/api/v1/registries/npmjs.org/packages/expr-tree/codemeta","maintainers":[{"uuid":"ilambda","login":"ilambda","name":null,"email":"me@ilambda.io","url":null,"packages_count":8,"html_url":"https://www.npmjs.com/~ilambda","role":null,"created_at":"2022-11-12T07:21:02.703Z","updated_at":"2022-11-12T07:21:02.703Z","packages_url":"https://packages.ecosyste.ms/api/v1/registries/npmjs.org/maintainers/ilambda/packages"}]}