es6-rest-args.js 6.9 KB

1234567891011121314151617181920212223242526272829303132333435
  1. (function() {
  2. var escope, expect, harmony;
  3. expect = require('chai').expect;
  4. harmony = require('../third_party/esprima');
  5. escope = require('..');
  6. describe('ES6 rest arguments', function() {
  7. return it('materialize rest argument in scope', function() {
  8. var ast, scope, scopeManager;
  9. ast = harmony.parse("function foo(...bar) {\n return bar;\n}");
  10. scopeManager = escope.analyze(ast, {
  11. ecmaVersion: 6
  12. });
  13. expect(scopeManager.scopes).to.have.length(2);
  14. scope = scopeManager.scopes[0];
  15. expect(scope.type).to.be.equal('global');
  16. expect(scope.block.type).to.be.equal('Program');
  17. expect(scope.isStrict).to.be["false"];
  18. expect(scope.variables).to.have.length(1);
  19. scope = scopeManager.scopes[1];
  20. expect(scope.type).to.be.equal('function');
  21. expect(scope.variables).to.have.length(2);
  22. expect(scope.variables[0].name).to.be.equal('arguments');
  23. expect(scope.variables[1].name).to.be.equal('bar');
  24. expect(scope.variables[1].defs[0].name.name).to.be.equal('bar');
  25. return expect(scope.variables[1].defs[0].rest).to.be["true"];
  26. });
  27. });
  28. }).call(this);
  29. //# sourceMappingURL=data:application/json;base64,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