constants-browserify

What is constants-browserify?

The constants-browserify package provides a polyfill for the Node.js 'constants' module, making it available for use in browser environments. This package is useful for developers who need to use Node.js constants in client-side JavaScript applications.

What are constants-browserify's main functionalities?

Accessing File System Constants

This feature allows you to access file system constants such as O_RDONLY, O_WRONLY, and O_RDWR, which are used for file operations.

const constants = require('constants-browserify');
console.log(constants.O_RDONLY); // Output: 0
console.log(constants.O_WRONLY); // Output: 1
console.log(constants.O_RDWR);   // Output: 2

Accessing Error Constants

This feature provides access to error constants like E2BIG, EACCES, and EADDRINUSE, which are used to handle specific error conditions.

const constants = require('constants-browserify');
console.log(constants.E2BIG);   // Output: 7
console.log(constants.EACCES);  // Output: 13
console.log(constants.EADDRINUSE); // Output: 48

Accessing Signal Constants

This feature allows you to access signal constants such as SIGINT, SIGTERM, and SIGKILL, which are used for process control.

const constants = require('constants-browserify');
console.log(constants.SIGINT);  // Output: 2
console.log(constants.SIGTERM); // Output: 15
console.log(constants.SIGKILL); // Output: 9

Other packages similar to constants-browserify

os-browserify

The os-browserify package provides a polyfill for the Node.js 'os' module, making it available for use in browser environments. It offers functionalities similar to constants-browserify but focuses on operating system-related constants and methods.

path-browserify

The path-browserify package provides a polyfill for the Node.js 'path' module, allowing path manipulation functions to be used in browser environments. While it does not provide constants, it offers similar utility by enabling Node.js path operations in the browser.

README

constants-browserify

Node's constants module for the browser.

Usage

To use with browserify cli:

$ browserify -r constants:constants-browserify script.js

To use with browserify api:

browserify()
  .require('constants-browserify', { expose: 'constants' })
  .add(__dirname + '/script.js')
  .bundle()
  // ...

Installation

With npm do

$ npm install constants-browserify

License

Copyright (c) 2013 Julian Gruber <[e-mail]>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.