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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":["react","react-redux","redux","reselect","selector"],"created_at":"2025-01-30T13:18:19.259Z","updated_at":"2026-04-12T21:49:52.636Z","avatar_url":"https://github.com/sibnerian.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# selectem\n\n[![Build Status](https://travis-ci.org/sibnerian/selectem.svg?branch=master)](https://travis-ci.org/sibnerian/selectem) [![Coverage Status](https://coveralls.io/repos/github/sibnerian/selectem/badge.svg?branch=master)](https://coveralls.io/github/sibnerian/selectem?branch=master) [![npm version](https://badge.fury.io/js/selectem.svg?branch=master)](https://badge.fury.io/js/selectem)\n\nShorthand for react-redux’s mapStateToProps. Need some props? Just select 'em!\n\n## Before\n```jsx\nconst mapStateToProps = (state) =\u003e ({\n  foober: fooberSelector(state),\n  goober: gooberSelector(state),\n  anotherProp: anotherPropSelector(state),\n  youGetTheIdea: youGetTheIdeaSelector(state),\n});\n```\n\u003cimg src=\"http://i.imgur.com/oQbpQWM.gif\" alt=\"a dude banging his keyboard, clearly frustrated\" width=\"200\" /\u003e\n\n## After\n```jsx\nconst mapStateToProps = selectem({\n  fooberSelector,\n  gooberSelector,\n  anotherPropSelector,\n  youGetTheIdeaSelector,\n});\n```\n\n\u003cimg src=\"http://i.imgur.com/ndpQAld.gif\" alt=\"a cool kid on a computer giving the thumbs up\" width=\"200\" /\u003e\n\n## Why tho?\n- Avoid typos\n- Write less characters\n- DRY up your code\n- Why not?\n\n## Advanced\n### What if my selectors need `ownProps`?\nNormally `react-redux` checks the number of arguments of `mapStateToProps` to determine whether or not to pass in an `ownProps` parameter [[1]](https://github.com/reactjs/react-redux/blob/master/docs/api.md#the-arity-of-mapstatetoprops-and-mapdispatchtoprops-determines-whether-they-receive-ownprops). We’ll do the [same arity check as `react-redux`](https://github.com/reactjs/react-redux/blob/master/src/connect/wrapMapToProps.js#L20) and pass `ownProps` to each selector that needs it. :+1:\n\n### I want to give one of my props a custom name! Can it be done?\nYes, only props that end in \"Selector\" will be renamed! If you give a prop a custom name it will just get passed through automatically.\n\n### I have a complicated `mapStateToProps` function but I still hate typing.\nIt happens - particularly if you need per-instance memoization. `selectem` is pretty simple, so you can mix it in with standard `mapStateToProps` syntax without too much trouble:\n\n```jsx\nconst mapStateToProps = () =\u003e {\n  // some complicated memoization stuff\n  return (state, ownProps) =\u003e ({\n    someProp: myPerInstanceMemoizedSelector(state, ownProps),\n    ...selectem({\n      fooSelector,\n      barSelector,\n      bazSelector,\n    })(state, ownProps),\n  });\n};\n```\n\nThis basically boils down to calling the `selectem` function using `(state, ownProps)` as arguments.\nI'm not sure if this is actually nicer than just typing it out, but it works!\n\n## License\n\nMIT\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsibnerian%2Fselectem","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsibnerian%2Fselectem","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsibnerian%2Fselectem/lists"}