code: function getTransformer(name) {
      if (name in transformers) {
        return transformers[name]
      }
      const transformer = toTransformer(name)
      transformers[name] = transformer ? jstransformer(transformer) : false
      return transformers[name]
    }
docs: Get the transformer from the given name.
  
  @return The JSTransformer; null if it doesn't exist.