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Allow hooking into the template instantiation process #156
Description
Activity
Thanks Jon.
👍
This is now supported via overriding
fetchTemplatemethod on a polymer-element:fetchTemplate: function(elementElement) { return elementElement.querySelector('template'); }
There are a few other methods you can override to customize set up behavior, like
parseElements. Usage is likely non-obvious, but remains To Be Documented. Here is a link to the relevant code in the meantime: https://github.com/Polymer/polymer/blob/stable/src/instance/base.js#L39
At present, Polymer looks for the first template defined in an element and instantiates it automatically within a shadow root. It would be useful to be able to override this behaviour if, for example, I wanted to include several templates and choose which of them to use based on particular conditions, such as the attributes values.