angular-common | Some useful services and directives for Angular.js | Frontend Framework library

I used both methods to display kendo-numerictextbox with spinners but it's showing a normal text box without spinner buttons

I'm using Kendo UI for Angular and I'm currently trying to make a simple Grid to work.

Here's my code :

I got this error after installed 'angular-in-memory-web-api'.

import { InMemoryDbService } from "angular-in-memory-web-api";

and I got these error

ERROR in node_modules/angular-in-memory-web-api/backend.service.d.ts(18,19): error TS1086: An accessor cannot be declared in an ambient context.

This is my packge.json

Recently i moved my angular application in some different folder. since then when i want to build the app i get this error:

Schema validation failed with the following errors: Data path "" should have required property 'tsConfig'

I tried to look up in github and stackoverflow and only found these links:

https://github.com/angular/angular-cli/issues/11479

they say i have to downgrade a package:

"@angular-devkit/build-angular": "^0.800.1" to "^0.12.4"

but this don't feel like the right way

I have a requirement where I have a login page which has just the login component. Once a person logs in, the user gets to page having a left navigation and a component on the right. With the help of this left navigation, a person can navigate to different components.

So the thing is, the left navigation component should be available on all the pages once logged-in and not on the login page.

I tried to replicate the same at https://stackblitz.com/edit/angular-common-component-in-named-router-outlet but it just loads the navigation component. The router configuration looks like

After upgrading my angular CLI and libraries, I am really struggling to make my project work.

When I run ng test --source-map false I get the following error.

What can I do to fix it?

I am trying to learn angular 6, however, I am facing an issue where client is not able to load @angular/common/http dependency. I came across this subject, however, none of the solutions worked.

market-data.service.ts

I have an Ionic 3 app which I've been developing and I need to move to Ionic Pro and it has not been easy. I use npm-check-updates from time to time but I think that has gotten me in trouble with Ionic. When I first pushed my app to Ionic Pro, the build failed but I googled it and I realized that my Angular version was ahead of Ionic and I had to down-version my app from Angular 4.4.3 to 4.1.3 (thanks to Cannot find module @angular/common/http Ionic 3 app) and rewrite it to work. Fine. But now I am getting another error, and I assume that it is something like this, but I cannot figure it out. I posted something to the Ionic Forum but did not get a response. The error I am getting is below. Any help would be appreciated. I will ask "mother may I" before I update my Ionic app, but I need to know what to roll back to keep building my program. Thanks!

[11:08:39] Error: ./~/firebase/utils/promise.js Module not found: Error: Can’t resolve ‘promise-polyfill’ in ’/usr/src/app/node_modules/firebase/utils’ resolve ‘promise-polyfill’ in ’/usr/src/app/node_modules/firebase/utils’ Parsed request is a module using description file: /usr/src/app/node_modules/firebase/package.json (relative path: ./utils) Field ‘browser’ doesn’t contain a valid alias configuration after using description file: /usr/src/app/node_modules/firebase/package.json (relative path: ./utils) resolve as module looking for modules in /usr/src/app/node_modules using description file: /usr/src/app/package.json (relative path: ./node_modules) Field ‘browser’ doesn’t contain a valid alias configuration after using description file: /usr/src/app/package.json (relative path: ./node_modules) using description file: /usr/src/app/package.json (relative path: ./node_modules/promise-polyfill) as directory /usr/src/app/node_modules/promise-polyfill doesn’t exist no extension Field ‘browser’ doesn’t contain a valid alias configuration /usr/src/app/node_modules/promise-polyfill doesn’t exist .ts Field ‘browser’ doesn’t contain a valid alias configuration /usr/src/app/node_modules/promise-polyfill.ts doesn’t exist .js Field ‘browser’ doesn’t contain a valid alias configuration /usr/src/app/node_modules/promise-polyfill.js doesn’t exist .json Field ’browser’ doesn’t contain a valid alias configuration /usr/src/app/node_modules/promise-polyfill.json doesn’t exist [/usr/src/app/node_modules/promise-polyfill] [/usr/src/app/node_modules/promise-polyfill] [/usr/src/app/node_modules/promise-polyfill.ts] [/usr/src/app/node_modules/promise-polyfill.js] [/usr/src/app/node_modules/promise-polyfill.json] @ ./~/firebase/utils/promise.js 14:76-103 @ ./~/firebase/app/firebase_app.js @ ./~/firebase/app.js @ ./src/providers/user.service.ts @ ./src/app/app.module.ts @ ./src/app/main.ts Error: ./~/firebase/utils/promise.js Module not found: Error: Can’t resolve ‘promise-polyfill’ in '/usr/src/app/node_modules/firebase/utils’ resolve ‘promise-polyfill’ in '/usr/src/app/node_modules/firebase/utils’ Parsed request is a module using description file: /usr/src/app/node_modules/firebase/package.json (relative path: ./utils) Field ‘browser’ doesn’t contain a valid alias configuration after using description file: /usr/src/app/node_modules/firebase/package.json (relative path: ./utils) resolve as module looking for modules in /usr/src/app/node_modules using description file: /usr/src/app/package.json (relative path: ./node_modules) Field ‘browser’ doesn’t contain a valid alias configuration after using description file: /usr/src/app/package.json (relative path: ./node_modules) using description file: /usr/src/app/package.json (relative path: ./node_modules/promise-polyfill) as directory /usr/src/app/node_modules/promise-polyfill doesn’t exist no extension Field ‘browser’ doesn’t contain a valid alias configuration /usr/src/app/node_modules/promise-polyfill doesn’t exist .ts Field ‘browser’ doesn’t contain a valid alias configuration /usr/src/app/node_modules/promise-polyfill.ts doesn’t exist .js Field ‘browser’ doesn’t contain a valid alias configuration /usr/src/app/node_modules/promise-polyfill.js doesn’t exist .json Field ‘browser’ doesn’t contain a valid alias configuration /usr/src/app/node_modules/promise-polyfill.json doesn’t exist

My question sounds similar to Cannot find the '@angular/common/http' module and Error loading @angular/common/http - angular 2 but the problem is a bit different: I am using Angular 4.3.5 and I am trying to read data from a Web API. (This API puts out JSON data and is using SignalR and .net Core). I have followed several tutorials and came up with this code for the class that will actually contact the service: