Angular ERROR TypeError: Cannot read properties of undefined (reading ‘onDestroy’)
I had the same issue. Try to remove the .angular directory! worked for me.
typescript
using external JS libraries in my angular 2 project
If you use angular-cli, you can add all your external JS files in assets folder. And then in angular-cli.json add them: “scripts”: [ “../node_modules/jquery/dist/jquery.min.js”, “../node_modules/bootstrap/dist/js/bootstrap.min.js”, “../node_modules/moment/moment.js”, “../node_modules/chart.js/dist/Chart.bundle.min.js”, “../node_modules/chart.js/dist/Chart.min.js”, “../node_modules/ng2-datetime/src/vendor/bootstrap-datepicker/bootstrap-datepicker.min.js”, “./assets/js/slimscroll.min.js”, “./assets/js/inspinia.js”, “./assets/js/metisMenu.js”, “./assets/js/footable.all.min.js” ] You can do it also with external styles: “styles”: [ “../node_modules/ng2-toastr/bundles/ng2-toastr.min.css”, “../node_modules/bootstrap-sass/assets/stylesheets/_bootstrap.scss”, “../node_modules/font-awesome/scss/font-awesome.scss”, “../node_modules/ng2-datetime/src/vendor/bootstrap-datepicker/bootstrap-datepicker3.min.css”, “./assets/scss/plugins/footable/footable.core.css”, “./assets/scss/style.scss” ] And of course you … Read more
Angular2 rxjs missing observable.interval method
You need to import the Observable class this way to be able to use the interval method: import {Observable} from ‘rxjs/Rx’; or import {Observable} from ‘rxjs/Observable’; import ‘rxjs/add/observable/interval’;
Angular 6 Sort Array of object by Date
For recent first: this.data.sort((a, b) => new Date(b.date1).getTime() – new Date(a.date1).getTime()); For OlderFirst: this.data.sort((b, a) => new Date(b.date1).getTime() – new Date(a.date1).getTime());
Property ‘subscribe’ does not exist on type ‘() => Observable’
You are not calling the getVideos method. You are calling subscribe on the function reference of getVideos and not the returned value. Call subscribe after you call getVideos(): ngOnInit() { this.videoserv.getvideos().subscribe((response) => { this.videos = response }); }
how to use underscore.js library in angular 2
For a project based on https://cli.angular.io, I needed to do the following: 1) Import libraries npm install underscore –save npm install @types/underscore –save 2) in tsconfig.app.json, add underscore to array ‘types’: “types”: [ “underscore” ] 3) In any component file I need to use underscore, I add this import * as _ from ‘underscore’; 4) … Read more
Unable to import ESM .ts module in node
I’ve tried every solution I can find or think of multiple times over the past several years and I’ve just found the following package which worked out of the box without needing any additional setup: https://www.npmjs.com/package/tsx It just works: npm i -D tsx npx tsx src/index.ts
Apollo is not assignable to parameter of type ‘VueClass
The syntax for the “apollo” options you listed do indeed look correct- assuming you’re intending to use the package “vue-apollo” to work with Apollo. If you’re getting this error it may mean that “vue-apollo” hasn’t been installed, or there’s some problem with the installation. If you look in the Vue Chrome debugger tool on one … Read more
How to clean typescript cache?
If you are using VSCode, you can use CTRL + SHIFT + P to open the command palette and search for “Restart” or “Reload”, you should have “Restart TS Server” and “Reload Project”, both work well.
Typescript, using classes without constructor
You can use class as a type which is the way you’re using it. So, whether Hero is an interface or class it doesn’t matter because you’re using it as a type. class Hero { id: number; name: string } or interface Hero { id: number; name: string } The following doesn’t concern whether Hero … Read more