Function FileSystem

packages/ethereum-viewer/src/fs/fileSystem.ts:8–43

()

 * Facade on top of MemFS file system provider for more convenient programmatic use.
 */
export const FileSystem = () => {
  const fs = new MemFS();
  const encoder = new TextEncoder();
  const decoder = new TextDecoder();

  return {
    register(context: vscode.ExtensionContext) {
      context.subscriptions.push(
        vscode.workspace.registerFileSystemProvider("memfs", fs, {
          isCaseSensitive: true,
        })
      );
    },
    writeFile(path: string, content: string) {
      if (!path.startsWith("/")) path = "/" + path;

      // const uri = vscode.Uri.from({ scheme: "memfs", path: path });
      const uri = vscode.Uri.from({ scheme: "memfs", path: path });

      fs.writeFile(uri, encoder.encode(content), {
        create: true,
        overwrite: true,
      });
    },
    readFile(path: string): string {
      if (!path.startsWith("/")) path = "/" + path;

      const buffer = fs.readFile(
        vscode.Uri.from({ scheme: "memfs", path: path })
      );

      return decoder.decode(buffer);
    },
    onDidChangeFile: fs.onDidChangeFile.bind(fs),
  };
};

export type FileSystem = ReturnType<typeof FileSystem>;