/dist/render/width.js

import { isCjkLanguage } from '../i18n/index.js';
// CJK terminals render East Asian Ambiguous-width chars (box drawing,
// block elements, arrows, etc.) as 2 cells. The HUD bar/separator/icon
// glyphs fall in those ranges, so width math must follow suit when the
// user's language is CJK — otherwise wrap calculations under-report
// visual width and the terminal itself wraps.
// https://www.unicode.org/reports/tr11/
export function isCjkAmbiguousWide() {
    return isCjkLanguage();
}
export function isWideCodePoint(codePoint) {
    return codePoint >= 0x1100 && (codePoint <= 0x115F || // Hangul Jamo
        codePoint === 0x2329 ||
        codePoint === 0x232A ||
        (codePoint >= 0x2E80 && codePoint <= 0xA4CF && codePoint !== 0x303F) ||
        (codePoint >= 0xAC00 && codePoint <= 0xD7A3) ||
        (codePoint >= 0xF900 && codePoint <= 0xFAFF) ||
        (codePoint >= 0xFE10 && codePoint <= 0xFE19) ||
        (codePoint >= 0xFE30 && codePoint <= 0xFE6F) ||
        (codePoint >= 0xFF00 && codePoint <= 0xFF60) ||
        (codePoint >= 0xFFE0 && codePoint <= 0xFFE6) ||
        (codePoint >= 0x1F300 && codePoint <= 0x1FAFF) ||
        (codePoint >= 0x20000 && codePoint <= 0x3FFFD));
}
// East Asian Ambiguous-width ranges actually emitted by the HUD:
// box drawing (│ ─), block elements (█ ░), geometric shapes (◐ ● ▸),
// arrows (↑ ↓ →), math operators (≤ ≥), misc symbols (⚠), dingbats
// (✓ ✘), general punctuation (— …), misc technical (⏱).
export function isAmbiguousWideCodePoint(codePoint) {
    if (codePoint < 0x2010)
        return false;
    return ((codePoint >= 0x2010 && codePoint <= 0x2027) ||
        (codePoint >= 0x2030 && codePoint <= 0x205E) ||
        (codePoint >= 0x2190 && codePoint <= 0x21FF) ||
        (codePoint >= 0x2200 && codePoint <= 0x22FF) ||
        (codePoint >= 0x2300 && codePoint <= 0x23FF) ||
        (codePoint >= 0x2460 && codePoint <= 0x24FF) ||
        (codePoint >= 0x2500 && codePoint <= 0x259F) ||
        (codePoint >= 0x25A0 && codePoint <= 0x25FF) ||
        (codePoint >= 0x2600 && codePoint <= 0x26FF) ||
        (codePoint >= 0x2700 && codePoint <= 0x27BF));
}
export function codePointCellWidth(codePoint, ambiguousWide) {
    if (isWideCodePoint(codePoint))
        return 2;
    if (ambiguousWide && isAmbiguousWideCodePoint(codePoint))
        return 2;
    return 1;
}
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