Parameter properties In our last example, we had to declare a readonly member name and a constructor parameter theName

Extending Interfaces Like classes, interfaces can extend each other. This allows you to copy the members of one interface into another, which

Templates In Templates you’ll find a number of declaration

Using --noResolve Normally the compiler will attempt to resolve all module imports before it starts the compilation process. Every

Constructor functions When you declare a class in TypeScript, you are actually creating multiple declarations at the same time. The first is

Write a simple example Let’s write a Hello World program. In src, create the file main.ts:

Set up the server In project.json add another entry in "dependencies":

Using NuGet with MSBuild Note: You’ll need to configure your project to use the NuGet packages. Please see

Inferring the types In playing with the example, you may notice that the TypeScript compiler can figure out the type if you have types on one

Compiler Options Option Type Default Description --allowJs