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Mastering TypeScript

Multiple Exports and Namespaces

Learn how to import multiple symbols from a module using named imports or the * as syntax for namespace attachment.

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Multiple exports

When working with external libraries—that is, libraries that have been published for general consumption—it is common practice for a published library to export all classes, functions, and interfaces from a single module file.

This means that we do not need to know how this library is structured or how complex the class hierarchy is internally; we simply import the entire library from one file.

As an example of this technique, suppose we have a file named modules/MultipleExports.ts, as follows:

C++
// This is a TypeScript code that exports two classes, MultipleClass1
// and MultipleClass2, using the 'export' keyword.
export class MultipleClass1 {}
export class MultipleClass2 {}
// It's worth noting that these classes are empty, meaning they don't have any properties
// or methods defined within them.
  • We export two classes from this module file, which are named MultipleClass1 and
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