@oxog/string
Version:
Comprehensive string manipulation utilities with zero dependencies
63 lines (62 loc) • 2.38 kB
JavaScript
export function getGraphemes(str) {
if (typeof Intl !== 'undefined' && 'Segmenter' in Intl) {
const segmenter = new Intl.Segmenter(undefined, { granularity: 'grapheme' });
return Array.from(segmenter.segment(str), (segment) => segment.segment);
}
return [...str];
}
export function getCodePoints(str) {
return Array.from(str, char => { var _a; return (_a = char.codePointAt(0)) !== null && _a !== void 0 ? _a : 0; });
}
export function isRtl(str) {
const rtlChars = /[\u0590-\u05FF\u0600-\u06FF\u0750-\u077F\u08A0-\u08FF\uFB50-\uFDFF\uFE70-\uFEFF]/;
return rtlChars.test(str);
}
export function reverseUnicode(str) {
return getGraphemes(str).reverse().join('');
}
export function normalizeUnicode(str, form = 'NFC') {
return str.normalize(form);
}
export function removeAccents(str) {
if (!str || typeof str !== 'string')
return '';
return str.normalize('NFD').replace(/[\u0300-\u036f]/g, '');
}
export function isEmoji(char) {
const emojiRegex = /(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])/;
return emojiRegex.test(char);
}
export function stripEmojis(str) {
const emojiRegex = /(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])/g;
return str.replace(emojiRegex, '');
}
export function getStringWidth(str) {
var _a;
let width = 0;
const graphemes = getGraphemes(str);
for (const char of graphemes) {
const code = (_a = char.codePointAt(0)) !== null && _a !== void 0 ? _a : 0;
if (code >= 0x1100 && (code <= 0x115f ||
code === 0x2329 ||
code === 0x232a ||
(code >= 0x2e80 && code <= 0xa4cf && code !== 0x303f) ||
(code >= 0xac00 && code <= 0xd7a3) ||
(code >= 0xf900 && code <= 0xfaff) ||
(code >= 0xfe10 && code <= 0xfe19) ||
(code >= 0xfe30 && code <= 0xfe6f) ||
(code >= 0xff00 && code <= 0xff60) ||
(code >= 0xffe0 && code <= 0xffe6) ||
(code >= 0x20000 && code <= 0x2fffd) ||
(code >= 0x30000 && code <= 0x3fffd))) {
width += 2;
}
else if (code >= 0x20 && code <= 0x7e) {
width += 1;
}
else if (code >= 0xa1) {
width += 1;
}
}
return width;
}