***

title: "DefaultAssetNamingStrategy"
generated: true
---------------

<GenerationInfo sourceFile="packages/core/src/config/asset-naming-strategy/default-asset-naming-strategy.ts" sourceLine="15" packageName="@vendure/core" />

The default strategy normalizes the file names to remove unwanted characters and
in the case of conflicts, increments a counter suffix.

```ts title="Signature"
class DefaultAssetNamingStrategy implements AssetNamingStrategy {
    generateSourceFileName(ctx: RequestContext, originalFileName: string, conflictFileName?: string) => string;
    generatePreviewFileName(ctx: RequestContext, sourceFileName: string, conflictFileName?: string) => string;
}
```

* Implements: [`AssetNamingStrategy`](/current/core/reference/typescript-api/assets/asset-naming-strategy#assetnamingstrategy)

<div className="members-wrapper">

### generateSourceFileName

\<MemberInfo kind="method" type={`(ctx: <a href='/current/core/reference/typescript-api/request/request-context#requestcontext'>RequestContext</a>, originalFileName: string, conflictFileName?: string) => string`}   />

### generatePreviewFileName

\<MemberInfo kind="method" type={`(ctx: <a href='/current/core/reference/typescript-api/request/request-context#requestcontext'>RequestContext</a>, sourceFileName: string, conflictFileName?: string) => string`}   />

</div>