var traverse = require("../lib").default; var assert = require("assert"); var parse = require("babylon").parse; function getPath(code) { var ast = parse(code); var path; traverse(ast, { Program: function (_path) { path = _path; _path.stop(); } }); return path; } suite("scope", function () { suite("binding paths", function () { test("function declaration id", function () { assert.ok(getPath("function foo() {}").scope.getBinding("foo").path.type === "FunctionDeclaration"); }); test("function expression id", function () { assert.ok(getPath("(function foo() {})").get("body")[0].get("expression").scope.getBinding("foo").path.type === "FunctionExpression"); }); test("function param", function () { assert.ok(getPath("(function (foo) {})").get("body")[0].get("expression").scope.getBinding("foo").path.type === "Identifier"); }); test("variable declaration", function () { assert.ok(getPath("var foo = null;").scope.getBinding("foo").path.type === "VariableDeclarator"); assert.ok(getPath("var { foo } = null;").scope.getBinding("foo").path.type === "VariableDeclarator"); assert.ok(getPath("var [ foo ] = null;").scope.getBinding("foo").path.type === "VariableDeclarator"); assert.ok(getPath("var { bar: [ foo ] } = null;").scope.getBinding("foo").path.type === "VariableDeclarator"); }); test("purity", function () { assert.ok(getPath("({ x: 1 })").get("body")[0].get("expression").isPure()); }); }); });