feat: add getJson() to ContentAsset

Author: harmony7

src/server/assets/content-asset-kv-store.ts

@@ -86,6 +86,10 @@ export class ContentKVStoreAsset implements ContentAsset {
     throw new Error("Can't getText() for KV Store asset");
   }
 
+  getJson<T = unknown>(): T {
+    throw new Error("Can't getJson() for KV Store asset");
+  }
+
   getMetadata(): ContentAssetMetadataMapEntry {
     return this.metadata;
   }

src/server/assets/content-asset-wasm-inline.ts

@@ -67,6 +67,11 @@ export class ContentWasmInlineAsset implements ContentAsset {
     return decoder.decode(this.sourceAndInfo.source);
   }
 
+  getJson<T = unknown>(): T {
+    const text = this.getText();
+    return JSON.parse(text) as T;
+  }
+
   getMetadata(): ContentAssetMetadataMapEntry {
     return this.metadata;
   }

src/server/assets/content-assets.ts

@@ -83,6 +83,11 @@ abstract class ContentRuntimeAsset<TMetadataMapEntry extends ContentAssetMetadat
     return decoder.decode(this.sourceAndInfo.source);
   }
 
+  getJson<T = unknown>(): T {
+    const text = this.getText();
+    return JSON.parse(text) as T;
+  }
+
   getMetadata(): ContentAssetMetadataMapEntry {
     return this.metadata;
   }

src/types/content-assets.ts

@@ -69,4 +69,5 @@ export interface ContentAsset {
   getStoreEntry(acceptEncodingsGroups?: ContentCompressionTypes[][]): Promise<StoreEntry>;
   getBytes(): Uint8Array;
   getText(): string;
+  getJson<T = unknown>(): T;
 }