require-weirdness

require(["foo"], function (foo) {
    try {
      foo.bar(); // foo does nothing with z below, or x
    } catch (e) {
      debugger; // sometimes I hit this and it reports z undefined?
      console.error("wtf", e);
    }
});

function x () {
    // z is undefined...
    console.log(z.length);
};

// X should not be able to interfere with foo.bar(), right?
x();