Learn React with TypeScript 3

Build mode

The TypeScript 3 compiler includes the ability to perform smart incremental builds using the --build flag. Let's give this a try in our example multiple project solution:

1. First, let's go to the root of the solution, open the terminal, and enter the following:

tsc --build ProjectA --verbose

The --verbose flag tells the compiler to tell us the details of what it's doing. The messages confirm to us that it has picked up the Shared project as well as ProjectA:

Projects in this build:   * Shared/tsconfig.json  * ProjectA/tsconfig.json

The compiler then checks each project to see if it's up to date. If the project is up to date, we get something like the following:

Project 'Shared/tsconfig.json' is up to date because newest input 'Shared/src/utils.ts' ...