The case of disappearing this pointer

I have a class with a member function and a member variable. In the member function, I display the this pointer and it is valid. In the same routine, inside a foreach loop, the this pointer becomes undefined The code is public getTypes(vitalsModel) ...

Can anyone recommend a node HTTP client package in an Angular2 project?

How to use @angular/http?

So I just want to experiment with making http calls from typescript file in my angular2 project. In the file, I have import { Http, Response } from '@angular/http'; var httpRequest = Http; whatever function calls I make using the httpRequest object,...

this pointer and implemented methods

So I have a "this" pointer stashed from module, total hack alert. I need to call methods on the "this" pointer. In the debugger i see the functions under proto. How can I call one of the methods implemented by my module?

Typescript and JS modules

What does npm packages like @types/lodash do and why are they needed for typescript programming?

How to use a JSON file in TypeScript?

I have a file called men.json. I want to do the equivalent of var men = require('./men.json'); Whatever I have tried, it is looking for a ./men.json.js file. I read that I can not use import since it is not a .ts file What is the equivalent of the re...

How to use lodash node module in a TypeScript file?

I have not been able to get this to work. I have done npm install lodash --save in my .ts file, I use: import _ from "lodash"; or import * as _ from "lodash"; ...with no success. Any ideas to what I am missing?

Graph widgets and multiple Y Axis

This is more of a UI question. I am to draw multiple lines on a graph widget and each line has its own units/range, i.e. Y axis. What is a suggested or "standard" way to do that?

Accessing Google Chart control

I am starting to use Google Chart in my project. Currently I load the control from the correct web address <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script> I need to support the project/product in a discon...

Mixing Javascript and Typescript

I am starting to make some changes so an existing Angular2 control, obviously written in Typescript. Are there any gotchas using vanilla ECMA5 javascript if needed?