mb-trimwidth
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0.0.4 • Public • Published

mbTrimWidth

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A module of trim multibyte string by character width. This will work even if contained Unicode, emoji, and surrogate pairs.

install

$ npm install --save mb-trimwidth

usage

import { mbTrimWidth } from 'mb-trimwidth';

const str1 = 'I love 🏄🌊 and 🏕';
str1.length; // => 18

mbTrimWidth(str1, 9);
// => "I love 🏄🌊"

mbTrimWidth(str1, 9, '…');
// => "I love 🏄…"

const str2 = '🌕の夜は𠮷野屋で𩸽を食べたい😇';
str2.length; // => 19

mbTrimWidth(str2, 9);
// => "🌕の夜は𠮷野屋で𩸽"

mbTrimWidth(str2, 9, '…');
// => "🌕の夜は𠮷野屋で…"

Test

import { mbTrimWidth } from 'mb-trimwidth';

const str = 'Lorem ipsum dolor sit amet';
mbTrimWidth(str, 10);
// => "Lorem ipsu"
mbTrimWidth(str, 10, '…');
// => "Lorem ips…"
mbTrimWidth(str, 0);
// => ""
mbTrimWidth(str, 1, '…');
// => "L"
mbTrimWidth(str, 1, '...');
// => "L"

const str = '子もかっこうの「おじぎ猫団」を窓がふみ戸棚ましです。';
mbTrimWidth(str, 12);
// => "子もかっこうの「おじぎ猫"
mbTrimWidth(str, 12, '…');
// => "子もかっこうの「おじぎ…"

const str = 'I love 🏄🌊 and 🏕';
mbTrimWidth(str, 9);
// => "I love 🏄🌊"
mbTrimWidth(str, 9, '…');
// => "I love 🏄…"

const str = '私は🏄🌊と🏕をします';
mbTrimWidth(str, 6);
// => "私は🏄🌊と🏕"
mbTrimWidth(str, 6, '…');
// => "私は🏄🌊と…"

const str = '🌕の夜は𠮷野屋で𩸽を食べたい😇';
mbTrimWidth(str, 9);
// => "🌕の夜は𠮷野屋で𩸽"
mbTrimWidth(str, 9, '…');
// => "🌕の夜は𠮷野屋で…"

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Install

npm i mb-trimwidth

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Version

0.0.4

License

ISC

Unpacked Size

27.7 kB

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Collaborators

  • kikiki_kiki