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codeql-action/node_modules/is-fullwidth-code-point/index.js
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/* 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; |