refactor!: drop cjs support

+ Publish to JSR (jsr.io)

src/core/UMP.ts

@@ -113,7 +113,6 @@ export class UMP {
   }
 
   public canReadFromCurrentChunk(offset: number, length: number): boolean {
-    this.chunkedDataBuffer.isFocused(offset);
     return offset - this.chunkedDataBuffer.currentChunkOffset + length <= this.chunkedDataBuffer.chunks[this.chunkedDataBuffer.currentChunkIndex].length;
   }
 

src/utils/helpers.ts

@@ -90,7 +90,7 @@ export class CustomEvent extends Event {
     this.#detail = options?.detail ?? null;
   }
 
-  get detail() {
+  get detail(): any[] | null {
     return this.#detail;
   }
 }