Understanding TypeScript Modules

Using TypeScript Modules

TypeScript modules use import/export with ES modules preferred.

Introduction to TypeScript Modules

TypeScript modules are a way to organize and manage code in separate files, promoting reusability and maintainability. With the introduction of ES modules, TypeScript has aligned itself closely with this standard, preferring the use of import and export syntax.

Basic Import and Export

To use modules in TypeScript, you can export functions, classes, interfaces, or any other object so that they can be imported and used in other files. The syntax is straightforward and similar to JavaScript ES6 modules.

Default Exports

TypeScript also supports default exports, which allow you to export a single value or entity from a module. This is particularly useful when a module is expected to export only one thing.

Re-exporting Modules

Re-exporting allows you to consolidate exports from multiple modules into a single module. This can be useful for creating a module that acts as an entry point or library.

Conclusion

TypeScript's module system is a powerful tool for organizing code. By leveraging ES module syntax, you can create clean, maintainable, and scalable applications. Understanding import, export, default exports, and re-exporting is essential for effective TypeScript development.

TS Modules