Function utf8Slice

docs/assets/getting-started-assets/javascripts/JSXTransformer.js:1022–1037

(buf, start, end)

                    }

                    function utf8Slice(buf, start, end) {
                        var res = ""
                        var tmp = ""
                        end = Math.min(buf.length, end)

                        for (var i = start; i < end; i++) {
                            if (buf[i] <= 0x7f) {
                                res += decodeUtf8Char(tmp) + String.fromCharCode(buf[i])
                                tmp = ""
                            } else {
                                tmp += "%" + buf[i].toString(16)
                            }
                        }

                        return res + decodeUtf8Char(tmp)
                    }

                    function asciiSlice(buf, start, end) {
                        var ret = ""