Function isUpperCaseLetter

test/fixtures/snapshot/typescript.js:142642–142654

(ch)

        };
    }
    function isUpperCaseLetter(ch) {
        // Fast check for the ascii range.
        if (ch >= 65 /* CharacterCodes.A */ && ch <= 90 /* CharacterCodes.Z */) {
            return true;
        }
        if (ch < 127 /* CharacterCodes.maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 99 /* ScriptTarget.Latest */)) {
            return false;
        }
        // TODO: find a way to determine this for any unicode characters in a
        // non-allocating manner.
        var str = String.fromCharCode(ch);
        return str === str.toUpperCase();
    }
    function isLowerCaseLetter(ch) {
        // Fast check for the ascii range.
        if (ch >= 97 /* CharacterCodes.a */ && ch <= 122 /* CharacterCodes.z */) {