import {FileSystemOverlay, LocalStorageAdapter, MemoryAdapter} from "uristorage";

// Some Browsers may not support `window.localStorage`, or are otherwise in
// Private Browsing mode. So we need to default to another Adapter when not available.
const adapter = LocalStorageAdapter.is_available
    ? // With `LocalStorageAdapter`, we target `window.localStorage` for persistence. Thus
      // when the page is navigated away from, data is saved.
      new LocalStorageAdapter({
          // Option to use LZ77 compression before storing binary objects
          compressed: true, // default

          // Option to how to namespace your Adapter's access
          namespace: "uristorage", // default
      })
    : // with `MemoryAdapter`, we target RAM Memory for persistence. Thus
      // when the page is navigated away from, data is not saved.
      new MemoryAdapter({
          // Option to use LZ77 compression before storing binary objects
          compressed: false, // default
      });

// Using the Adapter we chose as the backend, we can create a
// File System-like abstraction as an Overlay
const filesystem = new FileSystemOverlay(adapter);

// Using the Overlay, you can see how we can perform File System-like operations
await filesystem.write_file_text("README.md", "# Hello World");

const content = await filesystem.read_file_text("README.md");
console.log(content); // prints `# Hello World`

// And even have directories, and query them with things like Glob Patterns
const entries = await filesystem.read_directory({
    glob: "*.md",
});

for (const entry of entries) {
    const {is_file, path} = entry;

    console.log({is_file, path}); // prints `{is_file: true, path: "/README.md"}`
}