Now, whenever a file included in the compilation process changes, Webpack will rebuild the project. For example, import x from './y' will resolve in the lookup of ./y.ts and ./y.js according to the above configuration. This can take a lot of time if you have hundreds of TypeScript files in the project. So let’s get started. Now to actually compile the project with Webpack, we need to use npm run build command which internally will call webpack command. For example, imagine a webpage that allows you to create and edit images. Use import myFunction from "./myModule" to bring it in. The resolve.extensions list contains the extension Webpack will use to search a file when an import statement is found in a program. Unlike modules, they can span multiple files, and can be concatenated using --outFile. If you want to import types from another file into your .js, that is totally fine, but they must have different names. And then in any file in your project, you can import this definition with: // some other .ts file import $ from "jquery"; After this import, $ will be typed as any. For example, you can combine multiple JavaScript files together to produce one main.js which you will eventually import in the Web application using a ). This is very useful if you do not want to have all your code into a single file, or if you want to reuse code in different files. This means that any time you import objects from .graphql files, your IDE will provide auto-complete. typescript class import csv file; typescript class interface; typescript class type t; typescript class validator validate enum array; typescript code region; typescript comments; typescript compiler doesn't add json file; typescript config; typescript constructor shorthand; typescript convert an unknown to string; typescript convert color to rgb You can also run the main.js bundle in a browser and it will also print the same result. As a NodeJS / TypeScript developer who: uses one class per file and compiles to separate files (i.e. TypeScript 2.4 is bringing support for ECMAScript’s new import() calls. TypeScript module namespacing in multiple files. For example, you can combine multiple JavaScript files together to produce one main.js which you will eventually import in the Web application using a