remove: unexported Rollup bundle utils

src/Rollup.ts

@@ -1,34 +0,0 @@
-import { sep } from 'path';
-
-export interface ChunkMatch {
-  includes: Array<string>;
-  match: Array<string>;
-}
-
-export type ChunkMap = Record<string, ChunkMatch>;
-
-export function fixPath(name: string): string {
-  return name.replace('/', sep);
-}
-
-export function chunkMap(map: ChunkMap, name: string): string {
-  for (const [chunk, def] of Object.entries(map)) {
-    for (const include of def.includes) {
-      if (name.includes(include)) {
-        return chunk;
-      }
-    }
-
-    for (const match of def.match) {
-      if (name.match(match)) {
-        return chunk;
-      }
-    }
-  }
-
-  if (name.length === 30 && name.match(/^[a-f0-9]+$/)) {
-    return 'vendor';
-  }
-
-  return 'unknown';
-}