unable to retrieve template name when providing instance of Context to dust.render

[davidgwking]

It seems that I am unable to retrieve my template's name when providing an instance of Context to dust.render.

Here is a quick reproduction of the issue:

var dust = require('dustjs-linkedin');

dust.helpers.templateName = function (chunk, context, bodies, params) {
  var templateName = context.getTemplateName();

  return chunk.write(templateName);
};

var compiled = dust.compile('{@templateName/}', 'tmpl');
dust.loadSource(compiled);

dust.render('tmpl', dust.makeBase({}).push({}), function(err, name) {
  if (err) return done(err);

  console.log('base: %s', name);
});

dust.render('tmpl', {}, function(err, name) {
  if (err) return done(err);

  console.log('data: %s', name);
});

It seems that if an instance of Context is created and passed to render, it is never provided a templateName property. I see that context.wrap immediately returns instances of Context. As it is, it seems that it is impossible to set a Context's templateName property via API.

I'm left wondering if I'm missing something obvious or whether this is a purposeful design decision that is intended to prevent something dangerous.

Is the expectation that we should monkey patch this property in user land?

[sethkinast]

Thanks for the detailed repro, I will dive into this probably tomorrow.

[sethkinast]

Just to update, I'm working on a small refactor that touches all the places that we set template names to make sure they're consistent.

[davidgwking]

@sethkinast thanks for the update!