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NGRX Effect withLatestFrom Typescript error ts2345 troubleshooting


NGRX Effect withLatestFrom Typescript error ts2345 troubleshooting

By : user3045549
Date : December 02 2020, 10:46 PM
hop of those help? You are using wrong store - you injected in your effects Store where State is guild state and of course user selectors won't work on it. You need to inject Store with User state and use it instead.
code :


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Error: TS2345: when compiling with typescript

Error: TS2345: when compiling with typescript


By : sandeep
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I get this error from the 1.8.10 ts compiler in the context of a nodejs / express project: ,
module.exports = directory_router
code :
export = directory_controller
Typescript error TS2345 Error: TS2345:Argument of type 'Buffer' is not assignable to parameter of type 'string'

Typescript error TS2345 Error: TS2345:Argument of type 'Buffer' is not assignable to parameter of type 'string'


By : Ian
Date : March 29 2020, 07:55 AM
Any of those help I think the error is thrown on the input parameter of JSON.parse. Try to first call toString on it then pass to the function.
code :
let communicationInformation = JSON.parse(newCommunication.content.toString());
Ngrx Effects withLatestFrom causes an exception

Ngrx Effects withLatestFrom causes an exception


By : Prasad Kulkarni
Date : March 29 2020, 07:55 AM
it fixes the issue Seems like this issue is fixed if withLatestFrom is wrapped in concatMap operator as it is done in ngrx documentation example (collection.effects.ts).
code :
        ofType(BOOK_LIST_REQUEST),
        concatMap(action => of(action).pipe(
          withLatestFrom(this.store.pipe(
            select(selectBookshop), 
            map(bookshop => bookshop.library.publisher)
         )
       )
Vue&TypeScript: how to avoid error TS2345 when import implemented in TypeScript component outside of project directo

Vue&TypeScript: how to avoid error TS2345 when import implemented in TypeScript component outside of project directo


By : user3059140
Date : December 22 2020, 03:01 PM
With these it helps This has become quite a long answer. If you don't have time to read it all there's a TL;DR at the end.
Analysis Error Message
code :
declare function Component<V extends Vue>(options: ComponentOptions<V> & ThisType<V>): <VC extends VueClass<V>>(target: VC) => VC;
// ...
declare function Component<VC extends VueClass<Vue>>(target: VC): VC;
ERROR in /tmp/main-project/InitializeProjectGUI__assets/SingletonComponents/SkipProjectInitializationStepPanel/SkipProjectInitializationStepPanel.ts
../InitializeProjectGUI__assets/SingletonComponents/SkipProjectInitializationStepPanel/SkipProjectInitializationStepPanel.ts
[tsl] ERROR in /tmp/main-project/InitializeProjectGUI__assets/SingletonComponents/SkipProjectInitializationStepPanel/SkipProjectInitializationStepPanel.ts(10,24)
      TS2322: Type '{ SimpleCheckbox: typeof SimpleCheckbox; }' is not assignable to type '{ [key: string]: VueConstructor<Vue> | FunctionalComponentOptions<any, PropsDefinition<any>> | ComponentOptions<never, any, any, any, any, Record<string, any>> | AsyncComponentPromise<any, any, any, any> | AsyncComponentFactory<...>; }'.
  Property 'SimpleCheckbox' is incompatible with index signature.
    Type 'typeof SimpleCheckbox' is not assignable to type 'VueConstructor<Vue> | FunctionalComponentOptions<any, PropsDefinition<any>> | ComponentOptions<never, any, any, any, any, Record<string, any>> | AsyncComponentPromise<any, any, any, any> | AsyncComponentFactory<...>'.
      Type 'typeof SimpleCheckbox' is not assignable to type 'VueConstructor<Vue>'.
        Types of property 'extend' are incompatible.
          Type '{ <Data, Methods, Computed, PropNames extends string = never>(options?: import("/tmp/dependency/node_modules/vue/types/options").ThisTypedComponentOptionsWithArrayProps<import("/tmp/depende...' is not assignable to type '{ <Data, Methods, Computed, PropNames extends string = never>(options?: import("/tmp/main-project/node_modules/vue/types/options").ThisTypedComponentOptionsWithArrayProps<import("/tmp/main-...'.
            ...
              Type 'import("/tmp/dependency/node_modules/vue/types/vnode").ScopedSlotReturnValue' is not assignable to type 'import("/tmp/main-project/node_modules/vue/types/vnode").ScopedSlotReturnValue'.
                Type 'VNode' is not assignable to type 'ScopedSlotReturnValue'.
├─ main-project
│  ├─ node_modules // installed packages listed below (without sub-dependencies)
│  │     ts-loader@6.1.0
│  │     typescript@3.6.3
│  │     vue@2.6.10
│  │     vue-property-decorator@8.2.2
│  │     vuex@3.1.1
│  │     webpack@4.40.2
│  │     webpack-cli@3.3.9
│  ├─ SkipProjectInitializationStepPanel.ts
│  ├─ tsconfig.json
│  └─ webpack.config.js
└─ dependency
   ├─ node_modules // installed packages listed below (without sub-dependencies)
   │     vue@2.6.10
   └─ SimpleCheckbox.ts
{
  "compilerOptions": {
    "target": "es6",
    "strict": true,
    "moduleResolution": "node"
  }
}
module.exports = {
    entry: './SkipProjectInitializationStepPanel.ts',
    mode: 'development',
    module: {
        rules: [
            {
                test: /\.ts$/,
                loader: 'ts-loader'
            }
        ]
    },
    resolve: {
        extensions: ['.ts', '.js']
    }
};
import { Component } from 'vue-property-decorator';
import 'vuex';

import SimpleCheckbox from '../dependency/SimpleCheckbox';

Component({ template: '', components: { SimpleCheckbox } });
import Vue from 'vue';

export default class SimpleCheckbox extends Vue {}
import _Vue, { WatchOptions } from "vue";

// augment typings of Vue.js
import "./vue";

import { mapState, mapMutations, mapGetters, mapActions, createNamespacedHelpers } from "./helpers";
import { Store } from "./index";

// ...

declare module "vue/types/vue" {
  interface Vue {
    $store: Store<any>;
  }
}
How to use withLatestFrom with a selector in ngrx?

How to use withLatestFrom with a selector in ngrx?


By : user3699639
Date : March 29 2020, 07:55 AM
this one helps. This is covered in the NgRx Docs - Incorporating State but I found Brandon Roberts github comment more useful:
code :
actions.pipe(
  ofType('SOME_ACTION')
  someMap(action => doSomething(action))
)
actions.pipe(
  ofType('SOME_ACTION'),
  withLatestFrom(store.select(someThing)),
  someMap(([action, latest]) => doSomething(action, latest))
)
actions.pipe(
  ofType('SOME_ACTION'),
  someMap(action =>
    of(action).pipe(
      withLatestFrom(store.select(someThing)),
      someMap(([action, latest]) => doSomething(action, latest))
    )
)
  getDoc$ = createEffect(() => {
    return this.actions$.pipe(
      ofType(fromDocs.getDocument),
      switchMap(action =>
        of(action).pipe(
          withLatestFrom(
            this.store.select(fromDocs.getById, { id: action.payload.id })
          ),
          map(([action, latest]) => {
            return fromDocs.someAction();
          })
        )
      )
    );
  });
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