source: trip-planner-front/node_modules/is-fullwidth-code-point/index.js@ 8d391a1

/* eslint-disable yoda */
'use strict';

const isFullwidthCodePoint = codePoint => {
        if (Number.isNaN(codePoint)) {
                return false;
        }

        // Code points are derived from:
        // http://www.unix.org/Public/UNIDATA/EastAsianWidth.txt
        if (
                codePoint >= 0x1100 && (
                        codePoint <= 0x115F || // Hangul Jamo
                        codePoint === 0x2329 || // LEFT-POINTING ANGLE BRACKET
                        codePoint === 0x232A || // RIGHT-POINTING ANGLE BRACKET
                        // CJK Radicals Supplement .. Enclosed CJK Letters and Months
                        (0x2E80 <= codePoint && codePoint <= 0x3247 && codePoint !== 0x303F) ||
                        // Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A
                        (0x3250 <= codePoint && codePoint <= 0x4DBF) ||
                        // CJK Unified Ideographs .. Yi Radicals
                        (0x4E00 <= codePoint && codePoint <= 0xA4C6) ||
                        // Hangul Jamo Extended-A
                        (0xA960 <= codePoint && codePoint <= 0xA97C) ||
                        // Hangul Syllables
                        (0xAC00 <= codePoint && codePoint <= 0xD7A3) ||
                        // CJK Compatibility Ideographs
                        (0xF900 <= codePoint && codePoint <= 0xFAFF) ||
                        // Vertical Forms
                        (0xFE10 <= codePoint && codePoint <= 0xFE19) ||
                        // CJK Compatibility Forms .. Small Form Variants
                        (0xFE30 <= codePoint && codePoint <= 0xFE6B) ||
                        // Halfwidth and Fullwidth Forms
                        (0xFF01 <= codePoint && codePoint <= 0xFF60) ||
                        (0xFFE0 <= codePoint && codePoint <= 0xFFE6) ||
                        // Kana Supplement
                        (0x1B000 <= codePoint && codePoint <= 0x1B001) ||
                        // Enclosed Ideographic Supplement
                        (0x1F200 <= codePoint && codePoint <= 0x1F251) ||
                        // CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane
                        (0x20000 <= codePoint && codePoint <= 0x3FFFD)
                )
        ) {
                return true;
        }

        return false;
};

module.exports = isFullwidthCodePoint;
module.exports.default = isFullwidthCodePoint;