/* JS Minify++ Copyright (C) 2019 Aaron Erhardt This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /* * * * * * * * * * * * * * * * * * * Version: 1.0 INPUT: Enter any JS code Replace DEFAULT_CODE if you exceed 100 chars Large files might exceed the time limit OUTPUT: Minified JS code To copy the result you might have to open this code in a browser (via share e.g.) BUGS: unknown * * * * * * * * * * * * * * * * * * */ #include #include using namespace std; string code = ""; #define DEFAULT_CODE "window.addEventListener(\"load\", () => {\n let texts = [],\n nodes = document.querySelectorAll(\"p, h1, li, td\");\n \n /* resetting text fields */\n for (let elem of nodes) {\n texts.push(elem.innerText); \n elem.innerText = \"\"; }\n \n let length = nodes.length, i = 0,\n strLength = texts[i].length, c = 0;\n \n // update text\n let animate = () => {\n nodes[i].innerText = texts[i].substring(0, c);\n c++;\n if (c > strLength) {\n c = 0;\n if (++i < length)\n strLength = texts[i].length;\n else \n return;\n }\n setTimeout(animate, 10);\n };\n animate();\n});"; class Token { private: const string value; public: uint8_t group = 0; Token(string tValue); Token(string tValue, uint8_t tGroup); void print(); }; Token::Token (string tValue) : value(tValue), group(0) { // cout << tValue << endl; } Token::Token (string tValue, uint8_t tGroup) : value(tValue), group(tGroup) { // cout << tValue << endl; } void Token::print () { cout << value; } vector tokens; void tokenize () { uint16_t length = code.length(), lastCut = 0; char c; for (uint16_t i = 0; i < length; i++) { lastCut = i; switch (code.at(i)) { case ' ': case '\n': continue; case ';': case '(': case ')': case '[': case ']': case '{': case '}': case '+': case '-': case '*': case '%': case '!': case '=': case ',': case '.': case '>': case '<': case '|': case '&': case '^': case '~': case ':': tokens.push_back(new Token(code.substr(i, 1), 1)); break; case '\"': case '\'': c = code.at(i); while (++i < length && !(code.at(i) == c && code.at(i - 1) != '\\')); tokens.push_back(new Token(code.substr(lastCut, i - lastCut + 1))); break; case '/': if (code.at(i + 1) == '/') while (++i < length && code.at(i) != '\n'); else if (code.at(i + 1) == '*') { while (++i < length && !(code.at(i) == '*' && code.at(i + 1) == '/')); i++; } else tokens.push_back(new Token(code.substr(i, 1), 1)); break; default: c = code.at(i); if ( (c >= 65 && c <= 90) || (c >= 97 && c <= 122) || c == 95 || c == 36) { do { if (++i >= length) break; c = code.at(i); } while ( (c >= 48 && c <= 57) || (c >= 65 && c <= 90) || (c >= 97 && c <= 122) || c == 95 || c == 36 ) ; tokens.push_back(new Token(code.substr(lastCut, i - lastCut))); i--; } else if (c >= 48 && c <= 57) { do { if (++i >= length) break; c = code.at(i); } while (c >= 48 && c <= 57); tokens.push_back(new Token(code.substr(lastCut, i - lastCut))); i--; } else { tokens.push_back(new Token(code.substr(i, 1), 0)); } break; } } } void minify () { tokenize(); uint16_t length = tokens.size() - 1; for (uint16_t i = 0; i < length; i++) { tokens[i]->print(); if (tokens[i]->group == 0 && tokens[i + 1]->group == 0) { cout << " "; } } tokens[length]->print(); } int main () { getline(cin, code); if (code.length() == 0) code = DEFAULT_CODE; cout << "ORIGINAL CODE:" << endl << code << endl << endl << "MINIFIED JS:" << endl; minify(); return 0; }