{"id":19195067,"url":"https://github.com/ksachdeva/redux-observable-extensions","last_synced_at":"2025-02-23T04:37:32.954Z","repository":{"id":57351142,"uuid":"68480846","full_name":"ksachdeva/redux-observable-extensions","owner":"ksachdeva","description":"Useful extensions to 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redux-observable-extensions\n\nUseful extensions for [redux-observable](https://github.com/redux-observable/redux-observable)\n\n```bash\nnpm install redux-observable-extensions --save\n```\n\n## Epic decorator\n\nIf you want to have your epic functions inside a class for e.g.\n\n```typescript\nclass MyEpics {\n\n  epic1$ = (action$: ActionsObservable\u003cAction\u003e) =\u003e\n    action$.ofType(MyActions.AN_ACTION_1)\n      .mergeMap(() =\u003e\n        this.myService.doSomething()\n          .map(res =\u003e this.myActions.anotherAction())\n      );\n      \n  epic2$ = (action$: ActionsObservable\u003cAction\u003e) =\u003e\n    action$.ofType(MyActions.AN_ACTION_2)\n      .mergeMap(() =\u003e\n        this.myService.doSomethingElse()\n          .map(res =\u003e this.myActions.yetAnotherAction())\n      );\n\n  constructor(\n     private myActions: MyActions,  \n     private myService: MyService) {\n  }\n}\n```\n\nthen you would something like this \n\n```typescript\nimport { createEpicMiddleware, combineEpics } from 'redux-observable';\n\nconst myEpics = ... // create the object or have it dependency injected\n\nconst combinedEpics = combineEpics\u003cAction\u003e(\n  myEpics.epic1$,\n  myEpics.epic2$\n);\n\nconst middleware = [\n  createEpicMiddleware(combinedEpics)\n];\n\n```\n\nThe Epic decorator introduced as part of this module let's you do following.\n\n```typescript\nimport { Epic } from 'redux-observable-extensions';\n\nclass MyEpics {\n\n  @Epic() epic1$ = (action$: ActionsObservable\u003cAction\u003e) =\u003e\n    action$.ofType(MyActions.AN_ACTION_1)\n      .mergeMap(() =\u003e\n        this.myService.doSomething()\n          .map(res =\u003e this.myActions.anotherAction())\n      );\n      \n  @Epic() epic2$ = (action$: ActionsObservable\u003cAction\u003e) =\u003e\n    action$.ofType(MyActions.AN_ACTION_2)\n      .mergeMap(() =\u003e\n        this.myService.doSomethingElse()\n          .map(res =\u003e this.myActions.yetAnotherAction())\n      );\n\n  constructor(\n     private myActions: MyActions,  \n     private myService: MyService) {\n  }\n}\n```\n\nand when it comes the time to create the middleware simply do\n\n```typescript\nimport { mergeEpics } from 'redux-observable-extensions';\n\nconst combinedEpics = mergeEpics\u003cAction\u003e(myEpics); \n\nconst middleware = [\n  createEpicMiddleware(combinedEpics)\n];\n\n```\n\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fksachdeva%2Fredux-observable-extensions","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fksachdeva%2Fredux-observable-extensions","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fksachdeva%2Fredux-observable-extensions/lists"}