add version

README.md

@@ -15,6 +15,12 @@ or
 
 node main.js
 
+###Flags
+
+        -o=<output_path>
+        -t=<web|node>
+        -nb|--no-beautify
+
 Result fill write in <lexer.js> file.
 
 You can test it:

main.js

@@ -2,6 +2,8 @@
  * Created by Aleksey Chichenkov <a.chichenkov@initi.ru> on 1/23/19.
  */
 var js_beautify = require("js-beautify");
+var args = require("args-parser")(process.argv);
+
 var fs = require("fs");
 var exec = require('child_process').exec;
 
@@ -37,11 +39,21 @@ var post_process_lexer = function (_string) {
     _string = _string.replace(/yych/gm, "this._yy_char"); // replace yych to this._yy_char
 
 
-    _string = js_beautify(_string, {indent_size: 4, space_in_empty_paren: true});
+    if(args["t"] !== undefined) {
+        switch (args["t"]) {
+            case "web":
+                _string = "(function(){\n" + _string + "return Lexer; \n})";
+                break;
+            case "node":
+                _string += "\n module.exports = Lexer";
+                break;
+        }
+    }
 
-    var output = "lexer.js";
+    var output = args["o"] || "lexer.js";
-    if(process.argv[2]){
+
-        output = process.argv[2];
+    if( !(args["no-beautify"] || args["nb"]) ) {
+        _string = js_beautify(_string, {indent_size: 4, space_in_empty_paren: true});
     }
 
     fs.writeFileSync(output, _string);

package.json

@@ -23,6 +23,7 @@
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
       "version": "1.1.1"
     },
+    "args-parser": "^1.1.0",
     "balanced-match": {
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",

test.js

@@ -4,7 +4,7 @@
 var fs = require("fs");
 var exec = require('child_process').exec;
 
-exec("node main.js lexer_test.js", function(err, stdout, stderr) {
+exec("node main.js -o=lexer_test.js -t=node", function(err, stdout, stderr) {
     err && console.log("ERROR: ", err);
     err && process.exit(1);
 
@@ -24,7 +24,7 @@ var test = function() {
     (new Lexer("[")).search();
     (new Lexer("]")).search();
     (new Lexer("(")).search();
-    (new Lexer(")").search());
+    (new Lexer(")")).search();
     (new Lexer(":")).search();
     (new Lexer(",")).search();
     (new Lexer(".")).search();