Unicode Width

Get East Asian Width from a character.

'F'(Fullwidth), 'H'(Halfwidth), 'W'(Wide), 'Na'(Narrow), 'A'(Ambiguous) or 'N'(Natural).

Original Code is 東アジアの文字幅 (East Asian Width) の判定 - 中途.

Install

$ npm install unicode-width

Usage

var uw = require('unicode-width');
console.log(uw.getWidth('￦')) // 'F'
console.log(uw.getWidth('｡')) // 'H'
console.log(uw.getWidth('뀀')) // 'W'
console.log(uw.getWidth('a')) // 'Na'
console.log(uw.getWidth('①')) // 'A'
console.log(uw.getWidth('ف')) // 'N'

console.log(uw.characterLength('￦')) // 2
console.log(uw.characterLength('｡')) // 1
console.log(uw.characterLength('뀀')) // 2
console.log(uw.characterLength('a')) // 1
console.log(uw.characterLength('①')) // 2
console.log(uw.characterLength('ف')) // 1

console.log(uw.length('あいうえお')) // 10
console.log(uw.length('abcdefg')) // 7
console.log(uw.length('￠￦｡ￜㄅ뀀¢⟭a⊙①بف')) // 19