> ## Documentation Index
> Fetch the complete documentation index at: https://docs.syntblaze.com/llms.txt
> Use this file to discover all available pages before exploring further.
# TypeScript Re-Export
Re-exporting in TypeScript is the mechanism of forwarding exports from one module through another without binding them to the local scope. It acts as a pass-through, allowing a module to expose members defined in separate files directly to consumers.
TypeScript supports several syntactical forms for re-exporting, handling named exports, default exports, and type-level constructs.
**Aggregate Re-export (Wildcard)**
Forwards all named exports from the target module. This syntax explicitly ignores the `default` export of the target module to prevent naming collisions.
```typescript theme={"dark"}
export * from './utilities';
```
**Selective Re-export**
Forwards specific named exports from the target module.
```typescript theme={"dark"}
export { parseString, formatDate } from './utilities';
```
**Aliased Re-export**
Renames a specific export during the forwarding process using the `as` keyword.
```typescript theme={"dark"}
export { parseString as parse } from './utilities';
```
**Namespace Re-export**
Aggregates all exports (including the default export, if present) from the target module into a single named object.
```typescript theme={"dark"}
export * as Utils from './utilities';
```
**Default Re-export**
Because the wildcard (`*`) ignores default exports, they must be forwarded explicitly. A default export can be re-exported as the current module's default export, or aliased into a named export.
```typescript theme={"dark"}
// Forwards the target's default export as this module's default export
export { default } from './utilities';
// Forwards the target's default export as a named export
export { default as UtilityCore } from './utilities';
```
**Type-Only Re-export**
TypeScript provides the `export type` modifier to guarantee that the re-exported members are strictly type-level constructs. This ensures the TypeScript compiler completely erases these statements during the JavaScript emit phase, preventing runtime reference errors.
```typescript theme={"dark"}
// Selective type re-export
export type { UserConfig, AppState } from './types';
// Wildcard type re-export (TypeScript 5.0+)
export type * from './types';
```
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