traverse.js

function traverse_inherited_and_consequential_interfaces(stack, callback) {
    var I = stack.pop();
    callback(I);
    I.array["implements"][I.name].forEach(id => {
        var mixin = I.array.members[id];
        if (!mixin) {
            throw new Error("Interface " + id + " not found (implemented by " + I.name + ")");
        }
        var interfaces = mixin.get_inheritance_stack();
        traverse_inherited_and_consequential_interfaces(interfaces, callback);
    });
    if (stack.length > 0) {
        traverse_inherited_and_consequential_interfaces(stack, callback);
    }
}