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React Router R\n[![CircleCI](https://circleci.com/gh/sleexyz/react-router-r.svg?style=svg)](https://circleci.com/gh/sleexyz/react-router-r)\n[![npm version](https://badge.fury.io/js/react-router-r.svg)](https://badge.fury.io/js/react-router-r)\n\nThis library provides a declarative DSL for constructing React Router routes.\n\nIt exposes a function `R`, which takes:\n\n- 1 - a *path*\n\n- 2 - a *component*\n\n- (3...n) - optional route *transformers*, i.e. functions of type `Route → Route`\n\nand returns a valid Route, aka a React Router [plain route](https://github.com/ReactTraining/react-router/blob/master/docs/API.md#plainroute).\n\n---\n\nReact Router R is designed for optimal readability in Coffeescript, so documentation and examples are in Coffeescript.\n\n---\n\n## Example:\n\n```coffeescript\n{R, index, child} = require 'react-router-r'\n\n...\n\nroutes = R \"/\", App,\n  index Landing\n  child R \"welcome\", Landing\n  child R \"about\", About,\n    index AboutAll\n    child R \"foo\", AboutFoo\n    child R \"bar\", AboutBar\n```\n\n*reduces to:*\n\n```javascript\nconst routes = {\n  path: \"/\",\n  component: App,\n  indexRoute: { component: Landing },\n  childRoutes: [\n    { \n      path: \"welcome\",\n      component: Landing \n    },\n    { \n      path: \"about\", \n      component: Landing ,\n      indexRoute: { component: AboutAll },\n      childRoutes: [\n        { path: \"foo\", component: AboutFoo },\n        { path: \"bar\", component: AboutBar }\n      ]\n    }\n  ]\n}\n```\n\nSee [./example](./example) for the whole application.\n\n## Installation:\n```\nyarn add react-router-r\n```\n\n## Basics:\n\n### Build a route:\n```coffeescript\nR '/', App\n```\n\n*reduces to:*\n\n```js\n{ path: \"/\", component: App }\n```\n\n### Build a route with child routes:\n\n```coffeescript\nR '/', App,\n  index Landing\n  child R 'welcome', Landing\n  child R 'about, About\n```\n\n*reduces to:*\n\n```js\n{\n  path: \"/\",\n  component: App,\n  indexRoute: { component: Landing },\n  childRoutes: [\n    { path: 'welcome', component: Landing },\n    { path: 'about', component: About }\n  ]\n}\n```\n\n## Route Transformers:\nReact Router R takes and applies functions that take a React Route (as a plain route object) and returns a React Route. We call these functions *route transformers*. Note these transformers may mutate and return their input.\n\nThe following transformers are provided out of the box:\n\n\u003c/br\u003e\n\n#### `index`\n```\nindex : (component : Component) → (route : Route) → Route\n```\n\nAdds an [`indexRoute`](https://github.com/ReactTraining/react-router/blob/master/docs/guides/IndexRoutes.md) with the specified component to the route.\n\n\u003c/br\u003e\n\n#### `child`\n```\nchild : (childRoute : Route) → (route : Route) → Route\n```\n\nAdds a child route to the route.\n\n\u003c/br\u003e\n\n#### `dynamic`\n```\ndynamic : ({\n  path? : String,\n  component? : Component,\n  getRoute : (∀b. (returnRoute : ((route : Route) → b)) → b)\n}) → (route : Route) → Route\n```\n\nAdds a child route with the optionally provided `path` and `component` with a dynamically generated grandchild route. Uses React Router's [`getIndexRoute`](https://github.com/ReactTraining/react-router/blob/master/docs/API.md#getindexroutepartialnextstate-callback) and [`getChildRoutes`](https://github.com/ReactTraining/react-router/blob/master/docs/API.md#getchildroutespartialnextstate-callback) under the hood.\n\n`dynamic` can be used as is, but is more meant to be further abstracted upon for building application-specific dynamic route transformers. It serves as a mid-level API on top of the default low-level React Router dynamic routing API.\n\n\u003c/br\u003e\n\n## Write your own transfomers!\n\nWriting route transformers is easy!\n\nFor example, let's write one that adds basic support for React Router's [`onEnter`](https://github.com/ReactTraining/react-router/blob/master/docs/API.md#onenternextstate-replace-callback) field:\n\n```coffeescript\nonEnter = (onEnterCallback) -\u003e (route) -\u003e\n  if ('onEnter' in route) throw new Error \"onEnter is already defined!\"\n  route.onEnter = onEnterCallback\n  route\n```\n\nNow, we can use it in our routes:\n\n---\n\n\n```coffeescript\nR '/', App, \n  onEnter (nextState, replace, cb) -\u003e ...\n```\n\n*reduces to:*\n\n```javascript\n{\n  path: \"/\",\n  component: App,\n  onEnter: function(nextState, replace, cb) {\n    ...\n  }\n}\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsleexyz%2Freact-router-r","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsleexyz%2Freact-router-r","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsleexyz%2Freact-router-r/lists"}