Function W

xiaohongshu/test.js:1680–1690

(e)

                return o
            }
            function W(e) {
                return r.toByteArray(function(e) {
                    if ((e = function(e) {
                        return e.trim ? e.trim() : e.replace(/^\s+|\s+$/g, "")
                    }(e).replace(F, "")).length < 2)
                        return "";
                    for (; e.length % 4 != 0; )
                        e += "=";
                    return e
                }(e))
            }
            function z(e, t, n, r) {
                for (var i = 0; i < r && !(i + n >= t.length || i >= e.length); ++i)
                    t[i + n] = e[i];