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("evaluation", function () { suite("evaluateTruthy", function () { test("it should work with null", function () { assert.strictEqual( getPath("false || a.length === 0;").get("body")[0].evaluateTruthy(), false ); }); }); });