Edit File - File Manager

Edit File: es6-arrow-function-expression.js

(function() {
  var escope, expect, harmony;

expect = require('chai').expect;

harmony = require('../third_party/esprima');

escope = require('..');

describe('ES6 arrow function expression', function() {
    it('materialize scope for arrow function expression', function() {
      var ast, scope, scopeManager;
      ast = harmony.parse("var arrow = () => {\n    let i = 0;\n    var j = 20;\n    console.log(i);\n}");
      scopeManager = escope.analyze(ast, {
        ecmaVersion: 6
      });
      expect(scopeManager.scopes).to.have.length(2);
      scope = scopeManager.scopes[0];
      expect(scope.type).to.be.equal('global');
      expect(scope.block.type).to.be.equal('Program');
      expect(scope.isStrict).to.be["false"];
      expect(scope.variables).to.have.length(1);
      scope = scopeManager.scopes[1];
      expect(scope.type).to.be.equal('function');
      expect(scope.block.type).to.be.equal('ArrowFunctionExpression');
      expect(scope.isStrict).to.be["true"];
      expect(scope.variables).to.have.length(2);
      expect(scope.variables[0].name).to.be.equal('i');
      return expect(scope.variables[1].name).to.be.equal('j');
    });
    return it('generate bindings for parameters', function() {
      var ast, scope, scopeManager;
      ast = harmony.parse("var arrow = (a, b, c, d) => {\n}");
      scopeManager = escope.analyze(ast, {
        ecmaVersion: 6
      });
      expect(scopeManager.scopes).to.have.length(2);
      scope = scopeManager.scopes[0];
      expect(scope.type).to.be.equal('global');
      expect(scope.block.type).to.be.equal('Program');
      expect(scope.isStrict).to.be["false"];
      expect(scope.variables).to.have.length(1);
      scope = scopeManager.scopes[1];
      expect(scope.type).to.be.equal('function');
      expect(scope.block.type).to.be.equal('ArrowFunctionExpression');
      expect(scope.isStrict).to.be["true"];
      expect(scope.variables).to.have.length(4);
      expect(scope.variables[0].name).to.be.equal('a');
      expect(scope.variables[1].name).to.be.equal('b');
      expect(scope.variables[2].name).to.be.equal('c');
      return expect(scope.variables[3].name).to.be.equal('d');
    });
  });

}).call(this);

//# sourceMappingURL=data:application/json;base64,{"version":3,"sources":["es6-arrow-function-expression.coffee"],"names":[],"mappings":"AAuBA;AAAA,MAAA,uBAAA;;AAAA,EAAA,MAAA,GAAS,OAAA,CAAS,MAAT,CAAe,CAAC,MAAzB,CAAA;;AAAA,EACA,OAAA,GAAU,OAAA,CAAS,wBAAT,CADV,CAAA;;AAAA,EAEA,MAAA,GAAS,OAAA,CAAS,IAAT,CAFT,CAAA;;AAAA,EAIA,QAAA,CAAU,+BAAV,EAA0C,SAAA,GAAA;AACtC,IAAA,EAAA,CAAI,iDAAJ,EAAsD,SAAA,GAAA;AAClD,UAAA,wBAAA;AAAA,MAAA,GAAA,GAAM,OAAO,CAAC,KAAR,CAAiB,8EAAjB,CAAN,CAAA;AAAA,MAQA,YAAA,GAAe,MAAM,CAAC,OAAP,CAAe,GAAf,EAAoB;AAAA,QAAA,WAAA,EAAa,CAAb;OAApB,CARf,CAAA;AAAA,MASA,MAAA,CAAO,YAAY,CAAC,MAApB,CAA2B,CAAC,EAAE,CAAC,IAAI,CAAC,MAApC,CAA2C,CAA3C,CATA,CAAA;AAAA,MAWA,KAAA,GAAQ,YAAY,CAAC,MAAO,CAAA,CAAA,CAX5B,CAAA;AAAA,MAYA,MAAA,CAAO,KAAK,CAAC,IAAb,CAAkB,CAAC,EAAE,CAAC,EAAE,CAAC,KAAzB,CAAgC,QAAhC,CAZA,CAAA;AAAA,MAaA,MAAA,CAAO,KAAK,CAAC,KAAK,CAAC,IAAnB,CAAwB,CAAC,EAAE,CAAC,EAAE,CAAC,KAA/B,CAAsC,SAAtC,CAbA,CAAA;AAAA,MAcA,MAAA,CAAO,KAAK,CAAC,QAAb,CAAsB,CAAC,EAAE,CAAC,EAAE,CAAC,OAAD,CAd5B,CAAA;AAAA,MAeA,MAAA,CAAO,KAAK,CAAC,SAAb,CAAuB,CAAC,EAAE,CAAC,IAAI,CAAC,MAAhC,CAAuC,CAAvC,CAfA,CAAA;AAAA,MAiBA,KAAA,GAAQ,YAAY,CAAC,MAAO,CAAA,CAAA,CAjB5B,CAAA;AAAA,MAkBA,MAAA,CAAO,KAAK,CAAC,IAAb,CAAkB,CAAC,EAAE,CAAC,EAAE,CAAC,KAAzB,CAAgC,UAAhC,CAlBA,CAAA;AAAA,MAmBA,MAAA,CAAO,KAAK,CAAC,KAAK,CAAC,IAAnB,CAAwB,CAAC,EAAE,CAAC,EAAE,CAAC,KAA/B,CAAsC,yBAAtC,CAnBA,CAAA;AAAA,MAoBA,MAAA,CAAO,KAAK,CAAC,QAAb,CAAsB,CAAC,EAAE,CAAC,EAAE,CAAC,MAAD,CApB5B,CAAA;AAAA,MAqBA,MAAA,CAAO,KAAK,CAAC,SAAb,CAAuB,CAAC,EAAE,CAAC,IAAI,CAAC,MAAhC,CAAuC,CAAvC,CArBA,CAAA;AAAA,MAuBA,MAAA,CAAO,KAAK,CAAC,SAAU,CAAA,CAAA,CAAE,CAAC,IAA1B,CAA+B,CAAC,EAAE,CAAC,EAAE,CAAC,KAAtC,CAA6C,GAA7C,CAvBA,CAAA;aAwBA,MAAA,CAAO,KAAK,CAAC,SAAU,CAAA,CAAA,CAAE,CAAC,IAA1B,CAA+B,CAAC,EAAE,CAAC,EAAE,CAAC,KAAtC,CAA6C,GAA7C,EAzBkD;IAAA,CAAtD,CAAA,CAAA;WA2BA,EAAA,CAAI,kCAAJ,EAAuC,SAAA,GAAA;AACnC,UAAA,wBAAA;AAAA,MAAA,GAAA,GAAM,OAAO,CAAC,KAAR,CAAiB,kCAAjB,CAAN,CAAA;AAAA,MAKA,YAAA,GAAe,MAAM,CAAC,OAAP,CAAe,GAAf,EAAoB;AAAA,QAAA,WAAA,EAAa,CAAb;OAApB,CALf,CAAA;AAAA,MAMA,MAAA,CAAO,YAAY,CAAC,MAApB,CAA2B,CAAC,EAAE,CAAC,IAAI,CAAC,MAApC,CAA2C,CAA3C,CANA,CAAA;AAAA,MAQA,KAAA,GAAQ,YAAY,CAAC,MAAO,CAAA,CAAA,CAR5B,CAAA;AAAA,MASA,MAAA,CAAO,KAAK,CAAC,IAAb,CAAkB,CAAC,EAAE,CAAC,EAAE,CAAC,KAAzB,CAAgC,QAAhC,CATA,CAAA;AAAA,MAUA,MAAA,CAAO,KAAK,CAAC,KAAK,CAAC,IAAnB,CAAwB,CAAC,EAAE,CAAC,EAAE,CAAC,KAA/B,CAAsC,SAAtC,CAVA,CAAA;AAAA,MAWA,MAAA,CAAO,KAAK,CAAC,QAAb,CAAsB,CAAC,EAAE,CAAC,EAAE,CAAC,OAAD,CAX5B,CAAA;AAAA,MAYA,MAAA,CAAO,KAAK,CAAC,SAAb,CAAuB,CAAC,EAAE,CAAC,IAAI,CAAC,MAAhC,CAAuC,CAAvC,CAZA,CAAA;AAAA,MAcA,KAAA,GAAQ,YAAY,CAAC,MAAO,CAAA,CAAA,CAd5B,CAAA;AAAA,MAeA,MAAA,CAAO,KAAK,CAAC,IAAb,CAAkB,CAAC,EAAE,CAAC,EAAE,CAAC,KAAzB,CAAgC,UAAhC,CAfA,CAAA;AAAA,MAgBA,MAAA,CAAO,KAAK,CAAC,KAAK,CAAC,IAAnB,CAAwB,CAAC,EAAE,CAAC,EAAE,CAAC,KAA/B,CAAsC,yBAAtC,CAhBA,CAAA;AAAA,MAiBA,MAAA,CAAO,KAAK,CAAC,QAAb,CAAsB,CAAC,EAAE,CAAC,EAAE,CAAC,MAAD,CAjB5B,CAAA;AAAA,MAkBA,MAAA,CAAO,KAAK,CAAC,SAAb,CAAuB,CAAC,EAAE,CAAC,IAAI,CAAC,MAAhC,CAAuC,CAAvC,CAlBA,CAAA;AAAA,MAoBA,MAAA,CAAO,KAAK,CAAC,SAAU,CAAA,CAAA,CAAE,CAAC,IAA1B,CAA+B,CAAC,EAAE,CAAC,EAAE,CAAC,KAAtC,CAA6C,GAA7C,CApBA,CAAA;AAAA,MAqBA,MAAA,CAAO,KAAK,CAAC,SAAU,CAAA,CAAA,CAAE,CAAC,IAA1B,CAA+B,CAAC,EAAE,CAAC,EAAE,CAAC,KAAtC,CAA6C,GAA7C,CArBA,CAAA;AAAA,MAsBA,MAAA,CAAO,KAAK,CAAC,SAAU,CAAA,CAAA,CAAE,CAAC,IAA1B,CAA+B,CAAC,EAAE,CAAC,EAAE,CAAC,KAAtC,CAA6C,GAA7C,CAtBA,CAAA;aAuBA,MAAA,CAAO,KAAK,CAAC,SAAU,CAAA,CAAA,CAAE,CAAC,IAA1B,CAA+B,CAAC,EAAE,CAAC,EAAE,CAAC,KAAtC,CAA6C,GAA7C,EAxBmC;IAAA,CAAvC,EA5BsC;EAAA,CAA1C,CAJA,CAAA;AAAA","file":"es6-arrow-function-expression.js","sourceRoot":"/source/","sourcesContent":["# -*- coding: utf-8 -*-\n#  Copyright (C) 2014 Yusuke Suzuki <utatane.tea@gmail.com>\n#\n#  Redistribution and use in source and binary forms, with or without\n#  modification, are permitted provided that the following conditions are met:\n#\n#    * Redistributions of source code must retain the above copyright\n#      notice, this list of conditions and the following disclaimer.\n#    * Redistributions in binary form must reproduce the above copyright\n#      notice, this list of conditions and the following disclaimer in the\n#      documentation and/or other materials provided with the distribution.\n#\n#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"\n#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n#  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY\n#  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n#  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n#  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\n#  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n#  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\n#  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n\nexpect = require('chai').expect\nharmony = require '../third_party/esprima'\nescope = require '..'\n\ndescribe 'ES6 arrow function expression', ->\n    it 'materialize scope for arrow function expression', ->\n        ast = harmony.parse \"\"\"\n        var arrow = () => {\n            let i = 0;\n            var j = 20;\n            console.log(i);\n        }\n        \"\"\"\n\n        scopeManager = escope.analyze ast, ecmaVersion: 6\n        expect(scopeManager.scopes).to.have.length 2\n\n        scope = scopeManager.scopes[0]\n        expect(scope.type).to.be.equal 'global'\n        expect(scope.block.type).to.be.equal 'Program'\n        expect(scope.isStrict).to.be.false\n        expect(scope.variables).to.have.length 1\n\n        scope = scopeManager.scopes[1]\n        expect(scope.type).to.be.equal 'function'\n        expect(scope.block.type).to.be.equal 'ArrowFunctionExpression'\n        expect(scope.isStrict).to.be.true\n        expect(scope.variables).to.have.length 2\n        # There's no \"arguments\"\n        expect(scope.variables[0].name).to.be.equal 'i'\n        expect(scope.variables[1].name).to.be.equal 'j'\n\n    it 'generate bindings for parameters', ->\n        ast = harmony.parse \"\"\"\n        var arrow = (a, b, c, d) => {\n        }\n        \"\"\"\n\n        scopeManager = escope.analyze ast, ecmaVersion: 6\n        expect(scopeManager.scopes).to.have.length 2\n\n        scope = scopeManager.scopes[0]\n        expect(scope.type).to.be.equal 'global'\n        expect(scope.block.type).to.be.equal 'Program'\n        expect(scope.isStrict).to.be.false\n        expect(scope.variables).to.have.length 1\n\n        scope = scopeManager.scopes[1]\n        expect(scope.type).to.be.equal 'function'\n        expect(scope.block.type).to.be.equal 'ArrowFunctionExpression'\n        expect(scope.isStrict).to.be.true\n        expect(scope.variables).to.have.length 4\n        # There's no \"arguments\"\n        expect(scope.variables[0].name).to.be.equal 'a'\n        expect(scope.variables[1].name).to.be.equal 'b'\n        expect(scope.variables[2].name).to.be.equal 'c'\n        expect(scope.variables[3].name).to.be.equal 'd'\n\n# vim: set sw=4 ts=4 et tw=80 :\n"]}

Back to File Manager