Function cacheFor

packages/dofs/src/fs/writeBuffer.ts:54–61

(db: Database)

const caches = new WeakMap<Database, DatabaseCache>();

function cacheFor(db: Database): DatabaseCache {
  let cache = caches.get(db);
  if (cache === undefined) {
    cache = { byInode: new Map(), byPendingPath: new Map(), nextPendingInode: -1 };
    caches.set(db, cache);
  }
  return cache;
}

export function getWriteBuffer(db: Database, inode: number): WriteBufferEntry | undefined {
  return caches.get(db)?.byInode.get(inode);