Files
notification-elements-demo/node_modules/eastasianwidth/README.md
Giuliano Silvestro 5d0c9ec7eb Initial commit: notification-elements-demo app
Interactive Angular 19 demo for @sda/notification-elements-ui with
6 sections: Bell & Feed, Notification Center, Inbox, Comments &
Threads, Mention Input, and Full-Featured layout. Includes mock
data, dark mode toggle, and real-time event log.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-13 21:49:19 +10:00

1.2 KiB

East Asian 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 eastasianwidth

Usage

var eaw = require('eastasianwidth');
console.log(eaw.eastAsianWidth('₩')) // 'F'
console.log(eaw.eastAsianWidth('。')) // 'H'
console.log(eaw.eastAsianWidth('뀀')) // 'W'
console.log(eaw.eastAsianWidth('a')) // 'Na'
console.log(eaw.eastAsianWidth('①')) // 'A'
console.log(eaw.eastAsianWidth('ف')) // 'N'

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

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