504 lines
115 KiB
JavaScript
504 lines
115 KiB
JavaScript
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(function() {
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var escope, expect, harmony;
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expect = require('chai').expect;
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harmony = require('../third_party/esprima');
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escope = require('..');
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describe('ES6 destructuring assignments', function() {
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it('Pattern in var in ForInStatement', function() {
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var ast, globalScope, scope, scopeManager;
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ast = harmony.parse("(function () {\n for (var [a, b, c] in array);\n}());");
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scopeManager = escope.analyze(ast, {
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ecmaVersion: 6
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});
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expect(scopeManager.scopes).to.have.length(2);
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scope = scopeManager.scopes[0];
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globalScope = scope;
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expect(scope.type).to.be.equal('global');
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expect(scope.variables).to.have.length(0);
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expect(scope.references).to.have.length(0);
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expect(scope.implicit.left).to.have.length(1);
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expect(scope.implicit.left[0].identifier.name).to.be.equal('array');
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scope = scopeManager.scopes[1];
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expect(scope.type).to.be.equal('function');
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expect(scope.variables).to.have.length(4);
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expect(scope.variables[0].name).to.be.equal('arguments');
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expect(scope.variables[1].name).to.be.equal('a');
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expect(scope.variables[2].name).to.be.equal('b');
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expect(scope.variables[3].name).to.be.equal('c');
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expect(scope.references).to.have.length(4);
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expect(scope.references[0].identifier.name).to.be.equal('a');
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expect(scope.references[0].isWrite()).to.be["true"];
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expect(scope.references[0].partial).to.be["true"];
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expect(scope.references[0].resolved).to.be.equal(scope.variables[1]);
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expect(scope.references[1].identifier.name).to.be.equal('b');
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expect(scope.references[1].isWrite()).to.be["true"];
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expect(scope.references[1].partial).to.be["true"];
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expect(scope.references[1].resolved).to.be.equal(scope.variables[2]);
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expect(scope.references[2].identifier.name).to.be.equal('c');
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expect(scope.references[2].isWrite()).to.be["true"];
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expect(scope.references[2].partial).to.be["true"];
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expect(scope.references[2].resolved).to.be.equal(scope.variables[3]);
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expect(scope.references[3].identifier.name).to.be.equal('array');
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return expect(scope.references[3].isWrite()).to.be["false"];
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});
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it('ArrayPattern in var', function() {
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var ast, globalScope, scope, scopeManager;
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ast = harmony.parse("(function () {\n var [a, b, c] = array;\n}());");
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scopeManager = escope.analyze(ast, {
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ecmaVersion: 6
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});
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expect(scopeManager.scopes).to.have.length(2);
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scope = scopeManager.scopes[0];
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globalScope = scope;
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expect(scope.type).to.be.equal('global');
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expect(scope.variables).to.have.length(0);
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expect(scope.references).to.have.length(0);
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expect(scope.implicit.left).to.have.length(1);
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expect(scope.implicit.left[0].identifier.name).to.be.equal('array');
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scope = scopeManager.scopes[1];
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expect(scope.type).to.be.equal('function');
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expect(scope.variables).to.have.length(4);
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expect(scope.variables[0].name).to.be.equal('arguments');
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expect(scope.variables[1].name).to.be.equal('a');
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expect(scope.variables[2].name).to.be.equal('b');
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expect(scope.variables[3].name).to.be.equal('c');
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expect(scope.references).to.have.length(4);
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expect(scope.references[0].identifier.name).to.be.equal('a');
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expect(scope.references[0].isWrite()).to.be["true"];
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expect(scope.references[0].partial).to.be["true"];
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expect(scope.references[0].resolved).to.be.equal(scope.variables[1]);
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expect(scope.references[1].identifier.name).to.be.equal('b');
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expect(scope.references[1].isWrite()).to.be["true"];
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expect(scope.references[1].partial).to.be["true"];
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expect(scope.references[1].resolved).to.be.equal(scope.variables[2]);
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expect(scope.references[2].identifier.name).to.be.equal('c');
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expect(scope.references[2].isWrite()).to.be["true"];
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expect(scope.references[2].partial).to.be["true"];
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expect(scope.references[2].resolved).to.be.equal(scope.variables[3]);
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expect(scope.references[3].identifier.name).to.be.equal('array');
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return expect(scope.references[3].isWrite()).to.be["false"];
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});
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it('SpreadElement in var', function() {
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var ast, globalScope, index, name, scope, scopeManager, _i, _j, _len, _len1, _ref, _ref1;
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ast = harmony.parse("(function () {\n var [a, b, ...rest] = array;\n}());");
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scopeManager = escope.analyze(ast, {
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ecmaVersion: 6
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});
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expect(scopeManager.scopes).to.have.length(2);
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scope = scopeManager.scopes[0];
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globalScope = scope;
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expect(scope.type).to.be.equal('global');
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expect(scope.variables).to.have.length(0);
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expect(scope.references).to.have.length(0);
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expect(scope.implicit.left).to.have.length(1);
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expect(scope.implicit.left[0].identifier.name).to.be.equal('array');
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scope = scopeManager.scopes[1];
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expect(scope.type).to.be.equal('function');
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expect(scope.variables).to.have.length(4);
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expect(scope.variables[0].name).to.be.equal('arguments');
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expect(scope.variables[1].name).to.be.equal('a');
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expect(scope.variables[2].name).to.be.equal('b');
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expect(scope.variables[3].name).to.be.equal('rest');
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expect(scope.references).to.have.length(4);
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expect(scope.references[0].identifier.name).to.be.equal('a');
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expect(scope.references[0].isWrite()).to.be["true"];
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expect(scope.references[0].partial).to.be["true"];
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expect(scope.references[0].resolved).to.be.equal(scope.variables[1]);
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expect(scope.references[1].identifier.name).to.be.equal('b');
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expect(scope.references[1].isWrite()).to.be["true"];
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expect(scope.references[1].partial).to.be["true"];
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expect(scope.references[1].resolved).to.be.equal(scope.variables[2]);
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expect(scope.references[2].identifier.name).to.be.equal('rest');
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expect(scope.references[2].isWrite()).to.be["true"];
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expect(scope.references[2].partial).to.be["true"];
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expect(scope.references[2].resolved).to.be.equal(scope.variables[3]);
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expect(scope.references[3].identifier.name).to.be.equal('array');
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expect(scope.references[3].isWrite()).to.be["false"];
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ast = harmony.parse("(function () {\n var [a, b, ...[c, d, ...rest]] = array;\n}());");
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scopeManager = escope.analyze(ast, {
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ecmaVersion: 6
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});
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expect(scopeManager.scopes).to.have.length(2);
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scope = scopeManager.scopes[0];
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globalScope = scope;
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expect(scope.type).to.be.equal('global');
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expect(scope.variables).to.have.length(0);
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expect(scope.references).to.have.length(0);
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expect(scope.implicit.left).to.have.length(1);
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expect(scope.implicit.left[0].identifier.name).to.be.equal('array');
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scope = scopeManager.scopes[1];
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expect(scope.type).to.be.equal('function');
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expect(scope.variables).to.have.length(6);
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_ref = ['arguments', 'a', 'b', 'c', 'd', 'rest'];
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for (index = _i = 0, _len = _ref.length; _i < _len; index = ++_i) {
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name = _ref[index];
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expect(scope.variables[index].name).to.be.equal(name);
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}
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expect(scope.references).to.have.length(6);
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_ref1 = ['a', 'b', 'c', 'd', 'rest'];
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for (index = _j = 0, _len1 = _ref1.length; _j < _len1; index = ++_j) {
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name = _ref1[index];
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expect(scope.references[index].identifier.name).to.be.equal(name);
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expect(scope.references[index].isWrite()).to.be["true"];
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expect(scope.references[index].partial).to.be["true"];
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}
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expect(scope.references[5].identifier.name).to.be.equal('array');
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return expect(scope.references[5].isWrite()).to.be["false"];
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});
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it('ObjectPattern in var', function() {
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var ast, globalScope, scope, scopeManager;
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ast = harmony.parse("(function () {\n var {\n shorthand,\n key: value,\n hello: {\n world\n }\n } = object;\n}());");
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scopeManager = escope.analyze(ast, {
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ecmaVersion: 6
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});
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expect(scopeManager.scopes).to.have.length(2);
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scope = scopeManager.scopes[0];
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globalScope = scope;
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expect(scope.type).to.be.equal('global');
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expect(scope.variables).to.have.length(0);
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expect(scope.references).to.have.length(0);
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expect(scope.implicit.left).to.have.length(1);
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expect(scope.implicit.left[0].identifier.name).to.be.equal('object');
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scope = scopeManager.scopes[1];
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expect(scope.type).to.be.equal('function');
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expect(scope.variables).to.have.length(4);
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expect(scope.variables[0].name).to.be.equal('arguments');
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expect(scope.variables[1].name).to.be.equal('shorthand');
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expect(scope.variables[2].name).to.be.equal('value');
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expect(scope.variables[3].name).to.be.equal('world');
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expect(scope.references).to.have.length(4);
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expect(scope.references[0].identifier.name).to.be.equal('shorthand');
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expect(scope.references[0].isWrite()).to.be["true"];
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expect(scope.references[0].partial).to.be["true"];
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expect(scope.references[0].resolved).to.be.equal(scope.variables[1]);
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expect(scope.references[1].identifier.name).to.be.equal('value');
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expect(scope.references[1].isWrite()).to.be["true"];
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expect(scope.references[1].partial).to.be["true"];
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expect(scope.references[1].resolved).to.be.equal(scope.variables[2]);
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expect(scope.references[2].identifier.name).to.be.equal('world');
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expect(scope.references[2].isWrite()).to.be["true"];
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expect(scope.references[2].partial).to.be["true"];
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expect(scope.references[2].resolved).to.be.equal(scope.variables[3]);
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expect(scope.references[3].identifier.name).to.be.equal('object');
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return expect(scope.references[3].isWrite()).to.be["false"];
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});
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it('complex pattern in var', function() {
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var ast, globalScope, index, name, scope, scopeManager, _i, _j, _len, _len1, _ref, _ref1;
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ast = harmony.parse("(function () {\n var {\n shorthand,\n key: [ a, b, c, d, e ],\n hello: {\n world\n }\n } = object;\n}());");
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scopeManager = escope.analyze(ast, {
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ecmaVersion: 6
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});
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expect(scopeManager.scopes).to.have.length(2);
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scope = scopeManager.scopes[0];
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globalScope = scope;
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expect(scope.type).to.be.equal('global');
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expect(scope.variables).to.have.length(0);
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expect(scope.references).to.have.length(0);
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expect(scope.implicit.left).to.have.length(1);
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expect(scope.implicit.left[0].identifier.name).to.be.equal('object');
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scope = scopeManager.scopes[1];
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expect(scope.type).to.be.equal('function');
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expect(scope.variables).to.have.length(8);
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_ref = ['arguments', 'shorthand', 'a', 'b', 'c', 'd', 'e', 'world'];
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for (index = _i = 0, _len = _ref.length; _i < _len; index = ++_i) {
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name = _ref[index];
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expect(scope.variables[index].name).to.be.equal(name);
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}
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expect(scope.references).to.have.length(8);
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_ref1 = ['shorthand', 'a', 'b', 'c', 'd', 'e', 'world'];
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for (index = _j = 0, _len1 = _ref1.length; _j < _len1; index = ++_j) {
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name = _ref1[index];
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expect(scope.references[index].identifier.name).to.be.equal(name);
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expect(scope.references[index].isWrite()).to.be["true"];
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expect(scope.references[index].partial).to.be["true"];
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}
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expect(scope.references[7].identifier.name).to.be.equal('object');
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return expect(scope.references[7].isWrite()).to.be["false"];
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});
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it('ArrayPattern in AssignmentExpression', function() {
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var ast, globalScope, scope, scopeManager;
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ast = harmony.parse("(function () {\n [a, b, c] = array;\n}());");
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scopeManager = escope.analyze(ast, {
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ecmaVersion: 6
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});
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expect(scopeManager.scopes).to.have.length(2);
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scope = scopeManager.scopes[0];
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globalScope = scope;
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expect(scope.type).to.be.equal('global');
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expect(scope.variables).to.have.length(0);
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expect(scope.references).to.have.length(0);
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expect(scope.implicit.left).to.have.length(4);
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expect(scope.implicit.left.map((function(_this) {
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return function(ref) {
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return ref.identifier.name;
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};
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})(this))).to.deep.equal(['a', 'b', 'c', 'array']);
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scope = scopeManager.scopes[1];
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expect(scope.type).to.be.equal('function');
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expect(scope.variables).to.have.length(1);
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expect(scope.variables[0].name).to.be.equal('arguments');
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expect(scope.references).to.have.length(4);
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expect(scope.references[0].identifier.name).to.be.equal('a');
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expect(scope.references[0].isWrite()).to.be["true"];
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expect(scope.references[0].partial).to.be["true"];
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expect(scope.references[0].resolved).to.be["null"];
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expect(scope.references[1].identifier.name).to.be.equal('b');
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expect(scope.references[1].isWrite()).to.be["true"];
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expect(scope.references[1].partial).to.be["true"];
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expect(scope.references[1].resolved).to.be["null"];
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expect(scope.references[2].identifier.name).to.be.equal('c');
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expect(scope.references[2].isWrite()).to.be["true"];
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expect(scope.references[2].partial).to.be["true"];
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expect(scope.references[2].resolved).to.be["null"];
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expect(scope.references[3].identifier.name).to.be.equal('array');
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return expect(scope.references[3].isWrite()).to.be["false"];
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});
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it('SpreadElement in AssignmentExpression', function() {
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var ast, globalScope, index, name, scope, scopeManager, _i, _len, _ref;
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ast = harmony.parse("(function () {\n [a, b, ...rest] = array;\n}());");
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scopeManager = escope.analyze(ast, {
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ecmaVersion: 6
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});
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expect(scopeManager.scopes).to.have.length(2);
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scope = scopeManager.scopes[0];
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globalScope = scope;
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expect(scope.type).to.be.equal('global');
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expect(scope.variables).to.have.length(0);
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expect(scope.references).to.have.length(0);
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expect(scope.implicit.left).to.have.length(4);
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expect(scope.implicit.left.map((function(_this) {
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return function(ref) {
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return ref.identifier.name;
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};
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})(this))).to.deep.equal(['a', 'b', 'rest', 'array']);
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scope = scopeManager.scopes[1];
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expect(scope.type).to.be.equal('function');
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expect(scope.variables).to.have.length(1);
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expect(scope.variables[0].name).to.be.equal('arguments');
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expect(scope.references).to.have.length(4);
|
||
|
|
expect(scope.references[0].identifier.name).to.be.equal('a');
|
||
|
|
expect(scope.references[0].isWrite()).to.be["true"];
|
||
|
|
expect(scope.references[0].partial).to.be["true"];
|
||
|
|
expect(scope.references[0].resolved).to.be["null"];
|
||
|
|
expect(scope.references[1].identifier.name).to.be.equal('b');
|
||
|
|
expect(scope.references[1].isWrite()).to.be["true"];
|
||
|
|
expect(scope.references[1].partial).to.be["true"];
|
||
|
|
expect(scope.references[1].resolved).to.be["null"];
|
||
|
|
expect(scope.references[2].identifier.name).to.be.equal('rest');
|
||
|
|
expect(scope.references[2].isWrite()).to.be["true"];
|
||
|
|
expect(scope.references[2].partial).to.be["true"];
|
||
|
|
expect(scope.references[2].resolved).to.be["null"];
|
||
|
|
expect(scope.references[3].identifier.name).to.be.equal('array');
|
||
|
|
expect(scope.references[3].isWrite()).to.be["false"];
|
||
|
|
ast = harmony.parse("(function () {\n [a, b, ...[c, d, ...rest]] = array;\n}());");
|
||
|
|
scopeManager = escope.analyze(ast, {
|
||
|
|
ecmaVersion: 6
|
||
|
|
});
|
||
|
|
expect(scopeManager.scopes).to.have.length(2);
|
||
|
|
scope = scopeManager.scopes[0];
|
||
|
|
globalScope = scope;
|
||
|
|
expect(scope.type).to.be.equal('global');
|
||
|
|
expect(scope.variables).to.have.length(0);
|
||
|
|
expect(scope.references).to.have.length(0);
|
||
|
|
expect(scope.implicit.left).to.have.length(6);
|
||
|
|
expect(scope.implicit.left.map((function(_this) {
|
||
|
|
return function(ref) {
|
||
|
|
return ref.identifier.name;
|
||
|
|
};
|
||
|
|
})(this))).to.deep.equal(['a', 'b', 'c', 'd', 'rest', 'array']);
|
||
|
|
scope = scopeManager.scopes[1];
|
||
|
|
expect(scope.type).to.be.equal('function');
|
||
|
|
expect(scope.variables).to.have.length(1);
|
||
|
|
expect(scope.variables[0].name).to.be.equal('arguments');
|
||
|
|
expect(scope.references).to.have.length(6);
|
||
|
|
_ref = ['a', 'b', 'c', 'd', 'rest'];
|
||
|
|
for (index = _i = 0, _len = _ref.length; _i < _len; index = ++_i) {
|
||
|
|
name = _ref[index];
|
||
|
|
expect(scope.references[index].identifier.name).to.be.equal(name);
|
||
|
|
expect(scope.references[index].isWrite()).to.be["true"];
|
||
|
|
expect(scope.references[index].partial).to.be["true"];
|
||
|
|
expect(scope.references[index].resolved).to.be["null"];
|
||
|
|
}
|
||
|
|
expect(scope.references[5].identifier.name).to.be.equal('array');
|
||
|
|
return expect(scope.references[5].isWrite()).to.be["false"];
|
||
|
|
});
|
||
|
|
it('ObjectPattern in AssignmentExpression', function() {
|
||
|
|
var ast, globalScope, scope, scopeManager;
|
||
|
|
ast = harmony.parse("(function () {\n ({\n shorthand,\n key: value,\n hello: {\n world\n }\n }) = object;\n}());");
|
||
|
|
scopeManager = escope.analyze(ast, {
|
||
|
|
ecmaVersion: 6
|
||
|
|
});
|
||
|
|
expect(scopeManager.scopes).to.have.length(2);
|
||
|
|
scope = scopeManager.scopes[0];
|
||
|
|
globalScope = scope;
|
||
|
|
expect(scope.type).to.be.equal('global');
|
||
|
|
expect(scope.variables).to.have.length(0);
|
||
|
|
expect(scope.references).to.have.length(0);
|
||
|
|
expect(scope.implicit.left).to.have.length(4);
|
||
|
|
expect(scope.implicit.left.map((function(_this) {
|
||
|
|
return function(ref) {
|
||
|
|
return ref.identifier.name;
|
||
|
|
};
|
||
|
|
})(this))).to.deep.equal(['shorthand', 'value', 'world', 'object']);
|
||
|
|
scope = scopeManager.scopes[1];
|
||
|
|
expect(scope.type).to.be.equal('function');
|
||
|
|
expect(scope.variables).to.have.length(1);
|
||
|
|
expect(scope.variables[0].name).to.be.equal('arguments');
|
||
|
|
expect(scope.references).to.have.length(4);
|
||
|
|
expect(scope.references[0].identifier.name).to.be.equal('shorthand');
|
||
|
|
expect(scope.references[0].isWrite()).to.be["true"];
|
||
|
|
expect(scope.references[0].partial).to.be["true"];
|
||
|
|
expect(scope.references[0].resolved).to["null"];
|
||
|
|
expect(scope.references[1].identifier.name).to.be.equal('value');
|
||
|
|
expect(scope.references[1].isWrite()).to.be["true"];
|
||
|
|
expect(scope.references[1].partial).to.be["true"];
|
||
|
|
expect(scope.references[1].resolved).to["null"];
|
||
|
|
expect(scope.references[2].identifier.name).to.be.equal('world');
|
||
|
|
expect(scope.references[2].isWrite()).to.be["true"];
|
||
|
|
expect(scope.references[2].partial).to.be["true"];
|
||
|
|
expect(scope.references[2].resolved).to["null"];
|
||
|
|
expect(scope.references[3].identifier.name).to.be.equal('object');
|
||
|
|
return expect(scope.references[3].isWrite()).to.be["false"];
|
||
|
|
});
|
||
|
|
it('complex pattern in AssignmentExpression', function() {
|
||
|
|
var ast, globalScope, index, name, scope, scopeManager, _i, _len, _ref;
|
||
|
|
ast = harmony.parse("(function () {\n ({\n shorthand,\n key: [ a, b, c, d, e ],\n hello: {\n world\n }\n }) = object;\n}());");
|
||
|
|
scopeManager = escope.analyze(ast, {
|
||
|
|
ecmaVersion: 6
|
||
|
|
});
|
||
|
|
expect(scopeManager.scopes).to.have.length(2);
|
||
|
|
scope = scopeManager.scopes[0];
|
||
|
|
globalScope = scope;
|
||
|
|
expect(scope.type).to.be.equal('global');
|
||
|
|
expect(scope.variables).to.have.length(0);
|
||
|
|
expect(scope.references).to.have.length(0);
|
||
|
|
expect(scope.implicit.left).to.have.length(8);
|
||
|
|
expect(scope.implicit.left.map((function(_this) {
|
||
|
|
return function(ref) {
|
||
|
|
return ref.identifier.name;
|
||
|
|
};
|
||
|
|
})(this))).to.deep.equal(['shorthand', 'a', 'b', 'c', 'd', 'e', 'world', 'object']);
|
||
|
|
scope = scopeManager.scopes[1];
|
||
|
|
expect(scope.type).to.be.equal('function');
|
||
|
|
expect(scope.variables).to.have.length(1);
|
||
|
|
expect(scope.variables[0].name).to.be.equal('arguments');
|
||
|
|
expect(scope.references).to.have.length(8);
|
||
|
|
_ref = ['shorthand', 'a', 'b', 'c', 'd', 'e', 'world'];
|
||
|
|
for (index = _i = 0, _len = _ref.length; _i < _len; index = ++_i) {
|
||
|
|
name = _ref[index];
|
||
|
|
expect(scope.references[index].identifier.name).to.be.equal(name);
|
||
|
|
expect(scope.references[index].isWrite()).to.be["true"];
|
||
|
|
expect(scope.references[index].partial).to.be["true"];
|
||
|
|
}
|
||
|
|
expect(scope.references[7].identifier.name).to.be.equal('object');
|
||
|
|
return expect(scope.references[7].isWrite()).to.be["false"];
|
||
|
|
});
|
||
|
|
it('ArrayPattern in parameters', function() {
|
||
|
|
var ast, globalScope, scope, scopeManager;
|
||
|
|
ast = harmony.parse("(function ([a, b, c]) {\n}(array));");
|
||
|
|
scopeManager = escope.analyze(ast, {
|
||
|
|
ecmaVersion: 6
|
||
|
|
});
|
||
|
|
expect(scopeManager.scopes).to.have.length(2);
|
||
|
|
scope = scopeManager.scopes[0];
|
||
|
|
globalScope = scope;
|
||
|
|
expect(scope.type).to.be.equal('global');
|
||
|
|
expect(scope.variables).to.have.length(0);
|
||
|
|
expect(scope.references).to.have.length(1);
|
||
|
|
expect(scope.references[0].identifier.name).to.be.equal('array');
|
||
|
|
expect(scope.implicit.left).to.have.length(1);
|
||
|
|
expect(scope.implicit.left[0].identifier.name).to.be.equal('array');
|
||
|
|
scope = scopeManager.scopes[1];
|
||
|
|
expect(scope.type).to.be.equal('function');
|
||
|
|
expect(scope.variables).to.have.length(4);
|
||
|
|
expect(scope.variables[0].name).to.be.equal('arguments');
|
||
|
|
expect(scope.variables[1].name).to.be.equal('a');
|
||
|
|
expect(scope.variables[2].name).to.be.equal('b');
|
||
|
|
expect(scope.variables[3].name).to.be.equal('c');
|
||
|
|
return expect(scope.references).to.have.length(0);
|
||
|
|
});
|
||
|
|
it('SpreadElement in parameters', function() {
|
||
|
|
var ast, globalScope, scope, scopeManager;
|
||
|
|
ast = harmony.parse("(function ([a, b, ...rest], ...rest2) {\n}(array));");
|
||
|
|
scopeManager = escope.analyze(ast, {
|
||
|
|
ecmaVersion: 6
|
||
|
|
});
|
||
|
|
expect(scopeManager.scopes).to.have.length(2);
|
||
|
|
scope = scopeManager.scopes[0];
|
||
|
|
globalScope = scope;
|
||
|
|
expect(scope.type).to.be.equal('global');
|
||
|
|
expect(scope.variables).to.have.length(0);
|
||
|
|
expect(scope.references).to.have.length(1);
|
||
|
|
expect(scope.references[0].identifier.name).to.be.equal('array');
|
||
|
|
expect(scope.implicit.left).to.have.length(1);
|
||
|
|
expect(scope.implicit.left[0].identifier.name).to.be.equal('array');
|
||
|
|
scope = scopeManager.scopes[1];
|
||
|
|
expect(scope.type).to.be.equal('function');
|
||
|
|
expect(scope.variables).to.have.length(5);
|
||
|
|
expect(scope.variables[0].name).to.be.equal('arguments');
|
||
|
|
expect(scope.variables[1].name).to.be.equal('a');
|
||
|
|
expect(scope.variables[2].name).to.be.equal('b');
|
||
|
|
expect(scope.variables[3].name).to.be.equal('rest');
|
||
|
|
expect(scope.variables[3].defs[0].rest).to.be["false"];
|
||
|
|
expect(scope.variables[4].name).to.be.equal('rest2');
|
||
|
|
expect(scope.variables[4].defs[0].rest).to.be["true"];
|
||
|
|
return expect(scope.references).to.have.length(0);
|
||
|
|
});
|
||
|
|
it('ObjectPattern in parameters', function() {
|
||
|
|
var ast, globalScope, scope, scopeManager;
|
||
|
|
ast = harmony.parse("(function ({\n shorthand,\n key: value,\n hello: {\n world\n }\n }) {\n}(object));");
|
||
|
|
scopeManager = escope.analyze(ast, {
|
||
|
|
ecmaVersion: 6
|
||
|
|
});
|
||
|
|
expect(scopeManager.scopes).to.have.length(2);
|
||
|
|
scope = scopeManager.scopes[0];
|
||
|
|
globalScope = scope;
|
||
|
|
expect(scope.type).to.be.equal('global');
|
||
|
|
expect(scope.variables).to.have.length(0);
|
||
|
|
expect(scope.references).to.have.length(1);
|
||
|
|
expect(scope.references[0].identifier.name).to.be.equal('object');
|
||
|
|
expect(scope.implicit.left).to.have.length(1);
|
||
|
|
expect(scope.implicit.left[0].identifier.name).to.be.equal('object');
|
||
|
|
scope = scopeManager.scopes[1];
|
||
|
|
expect(scope.type).to.be.equal('function');
|
||
|
|
expect(scope.variables).to.have.length(4);
|
||
|
|
expect(scope.variables[0].name).to.be.equal('arguments');
|
||
|
|
expect(scope.variables[1].name).to.be.equal('shorthand');
|
||
|
|
expect(scope.variables[2].name).to.be.equal('value');
|
||
|
|
expect(scope.variables[3].name).to.be.equal('world');
|
||
|
|
return expect(scope.references).to.have.length(0);
|
||
|
|
});
|
||
|
|
return it('complex pattern in parameters', function() {
|
||
|
|
var ast, globalScope, index, name, scope, scopeManager, _i, _len, _ref;
|
||
|
|
ast = harmony.parse("(function ({\n shorthand,\n key: [ a, b, c, d, e ],\n hello: {\n world\n }\n }) {\n}(object));");
|
||
|
|
scopeManager = escope.analyze(ast, {
|
||
|
|
ecmaVersion: 6
|
||
|
|
});
|
||
|
|
expect(scopeManager.scopes).to.have.length(2);
|
||
|
|
scope = scopeManager.scopes[0];
|
||
|
|
globalScope = scope;
|
||
|
|
expect(scope.type).to.be.equal('global');
|
||
|
|
expect(scope.variables).to.have.length(0);
|
||
|
|
expect(scope.references).to.have.length(1);
|
||
|
|
expect(scope.references[0].identifier.name).to.be.equal('object');
|
||
|
|
expect(scope.implicit.left).to.have.length(1);
|
||
|
|
expect(scope.implicit.left[0].identifier.name).to.be.equal('object');
|
||
|
|
scope = scopeManager.scopes[1];
|
||
|
|
expect(scope.type).to.be.equal('function');
|
||
|
|
expect(scope.variables).to.have.length(8);
|
||
|
|
_ref = ['arguments', 'shorthand', 'a', 'b', 'c', 'd', 'e', 'world'];
|
||
|
|
for (index = _i = 0, _len = _ref.length; _i < _len; index = ++_i) {
|
||
|
|
name = _ref[index];
|
||
|
|
expect(scope.variables[index].name).to.be.equal(name);
|
||
|
|
}
|
||
|
|
return expect(scope.references).to.have.length(0);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
}).call(this);
|
||
|
|
|
||
|
|
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