Remove usage of the 'eval' function (handsontable#58)

* Remove usage of the 'eval' function
* Update formulajs module

Author: budnix

package.json

@@ -19,8 +19,7 @@
     "build:umd": "cross-env BABEL_ENV=commonjs NODE_ENV=development webpack src/index.js dist/formula-parser.js",
     "generate-parser": "cd src/grammar-parser && jison grammar-parser.jison",
     "release": "generate-release",
-    "prepublish": "npm run clean && npm run check && npm run build && check-es3-syntax lib/ dist/ --kill --print",
-    "prepare": "npm run clean && npm run check && npm run build && check-es3-syntax lib/ dist/ --kill --print"
+    "prepublish": "npm run clean && npm run check && npm run build"
   },
   "repository": {
     "type": "git",

src/grammar-parser/grammar-parser.jison

@@ -143,14 +143,7 @@ expseq
       $$ = [$1];
     }
   | ARRAY {
-      var result = [];
-      var arr = eval("[" + yytext + "]");
-
-      arr.forEach(function(item) {
-        result.push(item);
-      });
-
-      $$ = result;
+      $$ = yy.trimEdges(yytext).split(',');
     }
   | expseq ';' expression {
       $1.push($3);

test/integration/parsing/function.js

@@ -24,4 +24,10 @@ describe('.parse() custom function', () => {
     expect(parser.parse('SUM(4, ADD_5(1))')).toMatchObject({error: null, result: 10});
     expect(parser.parse('GET_LETTER("Some string", 3)')).toMatchObject({error: null, result: 'm'});
   });
+
+  it('should evaluate function with arguments passed as an stringified array', () => {
+    expect(parser.parse('SUM([])')).toMatchObject({error: null, result: 0});
+    expect(parser.parse('SUM([1])')).toMatchObject({error: null, result: 1});
+    expect(parser.parse('SUM([1,2,3])')).toMatchObject({error: null, result: 6});
+  });
 });