{"id":25820068,"url":"https://github.com/stdlib-js/utils-some-in-by","last_synced_at":"2026-03-06T22:30:54.163Z","repository":{"id":225264569,"uuid":"764954820","full_name":"stdlib-js/utils-some-in-by","owner":"stdlib-js","description":"Test whether an object contains at least n properties (own and inherited) which pass a test implemented by a predicate function.","archived":false,"fork":false,"pushed_at":"2025-05-26T01:38:05.000Z","size":226,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"main","last_synced_at":"2025-11-23T15:03:24.625Z","etag":null,"topics":["all","any","collection","every","inherited","iterate","javascript","node","node-js","nodejs","own","predicate","property","some","stdlib","test","util","utilities","utility","utils"],"latest_commit_sha":null,"homepage":"https://github.com/stdlib-js/stdlib","language":"JavaScript","has_issues":false,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/stdlib-js.png","metadata":{"files":{"readme":"README.md","changelog":"CHANGELOG.md","contributing":"CONTRIBUTING.md","funding":null,"license":"LICENSE","code_of_conduct":"CODE_OF_CONDUCT.md","threat_model":null,"audit":null,"citation":"CITATION.cff","codeowners":null,"security":"SECURITY.md","support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":"NOTICE","maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null},"funding":{"github":["stdlib-js"],"open_collective":"stdlib","tidelift":"npm/@stdlib/stdlib"}},"created_at":"2024-02-29T02:24:10.000Z","updated_at":"2025-05-26T01:04:25.000Z","dependencies_parsed_at":"2024-04-01T03:28:44.565Z","dependency_job_id":"bf6849a8-d795-4fe6-9ca0-0c143b8440fa","html_url":"https://github.com/stdlib-js/utils-some-in-by","commit_stats":null,"previous_names":["stdlib-js/utils-some-in-by"],"tags_count":8,"template":false,"template_full_name":null,"purl":"pkg:github/stdlib-js/utils-some-in-by","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Futils-some-in-by","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Futils-some-in-by/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Futils-some-in-by/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Futils-some-in-by/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/stdlib-js","download_url":"https://codeload.github.com/stdlib-js/utils-some-in-by/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Futils-some-in-by/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":30200966,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-03-06T19:07:06.838Z","status":"ssl_error","status_checked_at":"2026-03-06T18:57:34.882Z","response_time":250,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: 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":["all","any","collection","every","inherited","iterate","javascript","node","node-js","nodejs","own","predicate","property","some","stdlib","test","util","utilities","utility","utils"],"created_at":"2025-02-28T09:42:58.628Z","updated_at":"2026-03-06T22:30:54.125Z","avatar_url":"https://github.com/stdlib-js.png","language":"JavaScript","readme":"\u003c!--\n\n@license Apache-2.0\n\nCopyright (c) 2024 The Stdlib Authors.\n\nLicensed under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License.\nYou may obtain a copy of the License at\n\n   http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software\ndistributed under the License is distributed on an \"AS IS\" BASIS,\nWITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\nSee the License for the specific language governing permissions and\nlimitations under the License.\n\n--\u003e\n\n\n\u003cdetails\u003e\n  \u003csummary\u003e\n    About stdlib...\n  \u003c/summary\u003e\n  \u003cp\u003eWe believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.\u003c/p\u003e\n  \u003cp\u003eThe library is fully decomposable, being architected in such a way that you can swap out and mix and match APIs and functionality to cater to your exact preferences and use cases.\u003c/p\u003e\n  \u003cp\u003eWhen you use stdlib, you can be absolutely certain that you are using the most thorough, rigorous, well-written, studied, documented, tested, measured, and high-quality code out there.\u003c/p\u003e\n  \u003cp\u003eTo join us in bringing numerical computing to the web, get started by checking us out on \u003ca href=\"https://github.com/stdlib-js/stdlib\"\u003eGitHub\u003c/a\u003e, and please consider \u003ca href=\"https://opencollective.com/stdlib\"\u003efinancially supporting stdlib\u003c/a\u003e. We greatly appreciate your continued support!\u003c/p\u003e\n\u003c/details\u003e\n\n# someInBy\n\n[![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url] \u003c!-- [![dependencies][dependencies-image]][dependencies-url] --\u003e\n\n\u003e Test whether an object contains at least `n` properties which pass a test implemented by a predicate function.\n\n\u003csection class=\"intro\"\u003e\n\n\u003c/section\u003e\n\n\u003c!-- /.intro --\u003e\n\n\u003csection class=\"installation\"\u003e\n\n## Installation\n\n```bash\nnpm install @stdlib/utils-some-in-by\n```\n\nAlternatively,\n\n-   To load the package in a website via a `script` tag without installation and bundlers, use the [ES Module][es-module] available on the [`esm`][esm-url] branch (see [README][esm-readme]).\n-   If you are using Deno, visit the [`deno`][deno-url] branch (see [README][deno-readme] for usage intructions).\n-   For use in Observable, or in browser/node environments, use the [Universal Module Definition (UMD)][umd] build available on the [`umd`][umd-url] branch (see [README][umd-readme]).\n\nThe [branches.md][branches-url] file summarizes the available branches and displays a diagram illustrating their relationships.\n\nTo view installation and usage instructions specific to each branch build, be sure to explicitly navigate to the respective README files on each branch, as linked to above.\n\n\u003c/section\u003e\n\n\u003csection class=\"usage\"\u003e\n\n## Usage\n\n```javascript\nvar someInBy = require( '@stdlib/utils-some-in-by' );\n```\n\n#### someInBy( obj, n, predicate\\[, thisArg ] )\n\nTests whether an `obj` contains at least `n` properties which pass a test implemented by a `predicate` function.\n\n```javascript\nfunction isNegative( value ) {\n    return ( value \u003c 0 );\n}\n\nvar obj = {\n    'a': 1,\n    'b': -2,\n    'c': 3,\n    'd': -1\n};\n\nvar bool = someInBy( obj, 2, isNegative );\n// returns true\n```\n\nOnce the function finds `n` successful properties, the function **immediately** returns `true`.\n\n```javascript\nfunction isPositive( value ) {\n    if ( value \u003c 0 ) {\n        throw new Error( 'should never reach this line' );\n    }\n    return ( value \u003e 0 );\n}\n\nvar obj = {\n    'a': 1,\n    'b': 2,\n    'c': -3,\n    'd': 4\n};\n\nvar bool = someInBy( obj, 2, isPositive );\n// returns true\n```\n\nThe invoked `function` is provided three arguments:\n\n-   **value**: object property value.\n-   **key**: object property key.\n-   **obj**: input object.\n\nTo set the function execution context, provide a `thisArg`.\n\n```javascript\nfunction sum( value ) {\n    this.sum += value;\n    this.count += 1;\n    return ( value \u003c 0 );\n}\n\nvar obj = {\n    'a': 1,\n    'b': 2,\n    'c': 3,\n    'd': -5\n};\n\nvar context = {\n    'sum': 0,\n    'count': 0\n};\n\nvar bool = someInBy( obj, 1, sum, context );\n// returns true\n\nvar mean = context.sum / context.count;\n// returns 0.25\n```\n\n\u003c/section\u003e\n\n\u003c!-- /.usage --\u003e\n\n\u003csection class=\"notes\"\u003e\n\n## Notes\n\n-   If provided an empty `obj`, the function returns `false`.\n\n    ```javascript\n    function alwaysTrue() {\n        return true;\n    }\n    var bool = someInBy( {}, 1, alwaysTrue );\n    // returns false\n    ```\n\n-   The function does **not** skip `undefined` properties.\n\n    ```javascript\n    function log( value, key ) {\n        console.log( '%s: %s', key, value );\n        return ( value \u003c 0 );\n    }\n\n    var obj = {\n        'a': 1,\n        'b': void 0,\n        'c': void 0,\n        'd': 4,\n        'e': -1\n    };\n\n    var bool = someInBy( obj, 1, log );\n    // logs\n    // a: 1\n    // b: void 0\n    // c: void 0\n    // d: 4\n    // e: -1\n    ```\n\n-   The function provides limited support for dynamic objects (i.e., objects whose properties change during execution).\n\n\u003c/section\u003e\n\n\u003c!-- /.notes --\u003e\n\n\u003csection class=\"examples\"\u003e\n\n## Examples\n\n```javascript\nvar randu = require( '@stdlib/random-base-randu' );\nvar someInBy = require( '@stdlib/utils-some-in-by' );\n\nfunction threshold( value ) {\n    return ( value \u003e 0.95 );\n}\n\nvar bool;\nvar obj = {};\nvar i;\n\nfor ( i = 0; i \u003c 100; i++ ) {\n    obj[ 'key' + i ] = randu();\n}\n\nbool = someInBy( obj, 5, threshold );\n// returns \u003cboolean\u003e\n```\n\n\u003c/section\u003e\n\n\u003c!-- /.examples --\u003e\n\n\u003csection class=\"references\"\u003e\n\n\u003c/section\u003e\n\n\u003c!-- /.references --\u003e\n\n\u003c!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. --\u003e\n\n\u003csection class=\"related\"\u003e\n\n* * *\n\n## See Also\n\n-   \u003cspan class=\"package-name\"\u003e[`@stdlib/utils-any-in-by`][@stdlib/utils/any-in-by]\u003c/span\u003e\u003cspan class=\"delimiter\"\u003e: \u003c/span\u003e\u003cspan class=\"description\"\u003etest whether at least one property in an object passes a test implemented by a predicate function.\u003c/span\u003e\n-   \u003cspan class=\"package-name\"\u003e[`@stdlib/object-every-in-by`][@stdlib/object/every-in-by]\u003c/span\u003e\u003cspan class=\"delimiter\"\u003e: \u003c/span\u003e\u003cspan class=\"description\"\u003etest whether all properties (own and inherited) of an object pass a test implemented by a predicate function.\u003c/span\u003e\n-   \u003cspan class=\"package-name\"\u003e[`@stdlib/utils-some-by`][@stdlib/utils/some-by]\u003c/span\u003e\u003cspan class=\"delimiter\"\u003e: \u003c/span\u003e\u003cspan class=\"description\"\u003etest whether a collection contains at least `n` elements which pass a test implemented by a predicate function.\u003c/span\u003e\n-   \u003cspan class=\"package-name\"\u003e[`@stdlib/utils-some-own-by`][@stdlib/utils/some-own-by]\u003c/span\u003e\u003cspan class=\"delimiter\"\u003e: \u003c/span\u003e\u003cspan class=\"description\"\u003etest whether some `own` properties of a provided object satisfy a predicate function for at least `n` properties.\u003c/span\u003e\n\n\u003c/section\u003e\n\n\u003c!-- /.related --\u003e\n\n\u003c!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. --\u003e\n\n\n\u003csection class=\"main-repo\" \u003e\n\n* * *\n\n## Notice\n\nThis package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.\n\nFor more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib].\n\n#### Community\n\n[![Chat][chat-image]][chat-url]\n\n---\n\n## License\n\nSee [LICENSE][stdlib-license].\n\n\n## Copyright\n\nCopyright \u0026copy; 2016-2025. The Stdlib [Authors][stdlib-authors].\n\n\u003c/section\u003e\n\n\u003c!-- /.stdlib --\u003e\n\n\u003c!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. --\u003e\n\n\u003csection class=\"links\"\u003e\n\n[npm-image]: http://img.shields.io/npm/v/@stdlib/utils-some-in-by.svg\n[npm-url]: https://npmjs.org/package/@stdlib/utils-some-in-by\n\n[test-image]: https://github.com/stdlib-js/utils-some-in-by/actions/workflows/test.yml/badge.svg?branch=main\n[test-url]: https://github.com/stdlib-js/utils-some-in-by/actions/workflows/test.yml?query=branch:main\n\n[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/utils-some-in-by/main.svg\n[coverage-url]: https://codecov.io/github/stdlib-js/utils-some-in-by?branch=main\n\n\u003c!--\n\n[dependencies-image]: https://img.shields.io/david/stdlib-js/utils-some-in-by.svg\n[dependencies-url]: https://david-dm.org/stdlib-js/utils-some-in-by/main\n\n--\u003e\n\n[chat-image]: https://img.shields.io/gitter/room/stdlib-js/stdlib.svg\n[chat-url]: https://app.gitter.im/#/room/#stdlib-js_stdlib:gitter.im\n\n[stdlib]: https://github.com/stdlib-js/stdlib\n\n[stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors\n\n[umd]: https://github.com/umdjs/umd\n[es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules\n\n[deno-url]: https://github.com/stdlib-js/utils-some-in-by/tree/deno\n[deno-readme]: https://github.com/stdlib-js/utils-some-in-by/blob/deno/README.md\n[umd-url]: https://github.com/stdlib-js/utils-some-in-by/tree/umd\n[umd-readme]: https://github.com/stdlib-js/utils-some-in-by/blob/umd/README.md\n[esm-url]: https://github.com/stdlib-js/utils-some-in-by/tree/esm\n[esm-readme]: https://github.com/stdlib-js/utils-some-in-by/blob/esm/README.md\n[branches-url]: https://github.com/stdlib-js/utils-some-in-by/blob/main/branches.md\n\n[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/utils-some-in-by/main/LICENSE\n\n\u003c!-- \u003crelated-links\u003e --\u003e\n\n[@stdlib/utils/any-in-by]: https://github.com/stdlib-js/utils-any-in-by\n\n[@stdlib/object/every-in-by]: https://github.com/stdlib-js/object-every-in-by\n\n[@stdlib/utils/some-by]: https://github.com/stdlib-js/utils-some-by\n\n[@stdlib/utils/some-own-by]: https://github.com/stdlib-js/utils-some-own-by\n\n\u003c!-- \u003c/related-links\u003e --\u003e\n\n\u003c/section\u003e\n\n\u003c!-- /.links --\u003e\n","funding_links":["https://github.com/sponsors/stdlib-js","https://opencollective.com/stdlib","https://tidelift.com/funding/github/npm/@stdlib/stdlib"],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fstdlib-js%2Futils-some-in-by","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fstdlib-js%2Futils-some-in-by","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fstdlib-js%2Futils-some-in-by/lists"}