node-stringprep

node-stringprep

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Purpose

Exposes predefined Unicode normalization functions that are required by many protocols. This is just a binding to ICU, which is said to be fast.

Installation

npm i node-stringprep

Debian

apt-get install libicu-dev

Gentoo

emerge icu

OSX

MacPorts

port install icu +devel

Homebrew

brew install icu4c
ln -s /usr/local/Cellar/icu4c/<VERSION>/bin/icu-config /usr/local/bin/icu-config
ln -s /usr/local/Cellar/icu4c/<VERSION>/include/unicode /usr/local/include

If experiencing issues with 'homebrew' installing version 50.1 of icu4c, try the following:

brew search icu4c
brew tap homebrew/versions
brew versions icu4c
cd $(brew --prefix) && git pull --rebase
git checkout c25fd2f /usr/local/Library/Formula/icu4c.rb
brew install icu4c

Usage

var StringPrep = require('node-stringprep').StringPrep;
var prep = new StringPrep('nameprep');
prep.prepare('Äffchen')  // => 'äffchen'

For a list of supported profiles, see node-stringprep.cc