Advanced TypeScript Programming Projects

Creating our application

By now, creating a node application should be second nature, so we aren't going to cover how to do that anymore. The tsconfig file that we are going to use is as follows:

{  "compileOnSave": true,  "compilerOptions": {    "incremental": true,    "target": "es5",    "module": "commonjs",    "outDir": "./dist",    "removeComments": true,    "strict": true,    "esModuleInterop": true,    "inlineSourceMap": true,    "experimentalDecorators": true,  }}

The incremental flag in the settings is a new feature introduced in TypeScript 3.4 that allows us to perform incremental builds. What this feature does is build something called a project graph when the code is compiled. The next time the code is built, the project graph is used to identify code that ...