Bufio is a JavaScript library providing low-level buffer and serialization utilities, primarily designed for Node.js environments. Its current and only stable version is 1.2.3, released in 2018. The library focuses on efficient binary data encoding and decoding, offering classes like `BufferWriter`, `BufferReader`, and an extensible `Struct` base class for defining custom binary data structures. It was originally developed as part of the bcoin-org ecosystem, often used in cryptocurrency and blockchain projects requiring precise control over binary data formats. The library's core differentiator is its explicit control over buffer manipulation and serialization patterns, which, while powerful, requires developers to manage byte lengths and encodings manually. It is not actively maintained, with its last update occurring in 2018.
npm install bufioVerified import paths — ran on the pinned version, not inferred.
Demonstrates both basic buffer writer/reader usage and the creation of a custom serializable `Struct` class, including encoding and decoding to/from various formats.
Use `const bio = require('bufio');` for all imports. If in an ESM module, consider a wrapper or a build step to handle CommonJS modules, or use dynamic import `import('bufio').then(bio => ...)`. Alternatively, for Node.js 12+, you might be able to use `createRequire` from `module`.Evaluate whether the unmaintained status poses a risk for your application, especially for security-critical operations involving low-level buffer manipulation. Consider auditing the code for known vulnerabilities or exploring more actively maintained alternatives if possible.
Create a `bufio.d.ts` file in your project or use a declaration merging pattern to provide type definitions for the `bufio` module. Example: `declare module 'bufio' { export = any; }` (less ideal) or more specific typings for `Writer`, `Reader`, and `Struct`.Thoroughly test all serialization and deserialization routines. Ensure that byte order, string encodings, and numerical sizes are explicitly matched between writing and reading operations.
For Node.js projects, ensure the file using `bufio` is a CommonJS module (e.g., `.js` file without `"type": "module"` in `package.json`, or explicitly `.cjs`). Use `const bio = require('bufio');` to import the library.Import the entire module using `const bio = require('bufio');` and access `write` as a property: `const bw = bio.write();`.After importing the entire module with `const bio = require('bufio');`, access `Struct` as a property: `class MyStruct extends bio.Struct {}`.No dependency data recorded yet.