@mjackson/file-storage/dist/memory.js

Key/value storage for JavaScript File objects

// src/lib/memory-file-storage.ts
var MemoryFileStorage = class {
  #map = /* @__PURE__ */ new Map();
  get(key) {
    return this.#map.get(key) ?? null;
  }
  has(key) {
    return this.#map.has(key);
  }
  list(options) {
    let { cursor, includeMetadata = false, limit = Infinity, prefix } = options ?? {};
    let files = [];
    let foundCursor = cursor === void 0;
    let nextCursor;
    for (let [key, file] of this.#map.entries()) {
      if (foundCursor) {
        if (prefix != null && !key.startsWith(prefix)) {
          continue;
        }
        if (files.length >= limit) {
          nextCursor = files[files.length - 1]?.key;
          break;
        }
        if (includeMetadata) {
          files.push({
            key,
            lastModified: file.lastModified,
            name: file.name,
            size: file.size,
            type: file.type
          });
        } else {
          files.push({ key });
        }
      } else if (key === cursor) {
        foundCursor = true;
      }
    }
    return {
      cursor: nextCursor,
      files
    };
  }
  async put(key, file) {
    await this.set(key, file);
    return this.get(key);
  }
  remove(key) {
    this.#map.delete(key);
  }
  async set(key, file) {
    let buffer = await file.arrayBuffer();
    let newFile = new File([buffer], file.name, {
      lastModified: file.lastModified,
      type: file.type
    });
    this.#map.set(key, newFile);
  }
};
export {
  MemoryFileStorage
};
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