@types/vfile

What is @types/vfile?

@types/vfile provides TypeScript definitions for the vfile package, which is a virtual file format used to represent files, their contents, and associated metadata. It is commonly used in the unified ecosystem for processing text and syntax trees.

What are @types/vfile's main functionalities?

Creating a VFile

This feature allows you to create a virtual file with a specified path and contents. The vfile object can then be used to manipulate the file's metadata and contents.

const vfile = require('vfile');
const file = vfile({
  path: '~/example.txt',
  contents: 'Hello, world!'
});
console.log(file.path); // '~/example.txt'
console.log(file.contents); // 'Hello, world!'

Reading and Writing Metadata

This feature allows you to read and write metadata associated with the virtual file. Metadata can be any arbitrary data that you want to associate with the file.

const vfile = require('vfile');
const file = vfile({
  path: '~/example.txt',
  contents: 'Hello, world!'
});
file.data.title = 'Example File';
console.log(file.data.title); // 'Example File'

Handling Messages

This feature allows you to attach messages to the virtual file, which can be used for warnings, errors, or other notices. Each message can have a reason and a location within the file.

const vfile = require('vfile');
const file = vfile();
file.message('This is a warning', {line: 2, column: 4});
console.log(file.messages[0].reason); // 'This is a warning'
console.log(file.messages[0].location); // { line: 2, column: 4 }

Other packages similar to @types/vfile

vinyl

Vinyl is a virtual file format used in the Gulp ecosystem. It is similar to vfile in that it represents files and their contents, but it is more focused on stream-based processing. Vinyl files can be piped through various Gulp plugins for transformations.

file-type

File-type is a package that detects the file type of a Buffer or Uint8Array. While it does not provide a virtual file format like vfile, it is useful for determining the type of a file based on its contents, which can be a complementary functionality.

fs-extra

fs-extra is an extension of the Node.js 'fs' module that adds extra methods for working with the file system. It does not provide a virtual file format, but it offers many utility functions for reading, writing, and manipulating files on disk.

README

This is a stub types definition for vfile (https://github.com/vfile/vfile).

vfile provides its own type definitions, so you don't need @types/vfile installed!