Normy

Normy is a URL normalization middleware for Express. The package will allow you to configure normalization rules and then universally redirect any GET request that doesn't follow the rules.

Install

npm install --save normy

Usage

    const app = require('express');
    const normy = require('normy');
    
    const options = {
      forceProtocol: 'none',
      forceWww: 'www',
      forceTrailingSlash: 'trim',
      forceCase: 'lower',
      forceCaseQuery: 'none',
      redirectType: '301',
      excludedPaths: ['/MyPath', '/MySecondPath', '^MyRegEx'],
    }
    
    // Middleware for all GET routes
    app.get('*', normy(options));

Options

Option	Required	Valid Values	Default	Description
forceProtocol	no	http, https, none	none	Force redirect to protocol
forceWww	no	www, no-www, none	www	Force host name to keep or remove www
forceTrailingSlash	no	trim, keep, none	trim	Force path to trim or keep trailing forward slash
forceCase	no	lower, upper, none	lower	Force URL protocol, host name and path to lower or upper case
forceCaseQuery	no	lower, upper, none	none	Force query string to lower or upper case. Use with caution
redirectType	no	301, 302	301	Redirect type if requesting URL needs it
excludedPaths	no	[string1, string2..]	[]	Exclude paths from normalization rules. Array of RegEx strings

Test

npm test