Here's a Sublime Text snippet for quickly creating polymer-elements. Just type "<polymer" and press TAB to generate the empty element, then tab through the different fields to add a name (which is automatically mirrored to the Polymer() call), attribute default values in the prototype (which are automatically mirrored to the "attributes" attribu…

polymer-element.sublime-snippet

<snippet>
	<content><![CDATA[
<link rel="import" href="../../bower_components/polymer/polymer.html">

<polymer-element name="$1" attributes="${2/:[^\n$]*(\n[ \t]*|$)/ /g}">
	<template>
		<style>
			:host {
				display: block;
			}
		</style>$3
	</template>
	<script>
		Polymer('$1', {
			$2
		});
	</script>
</polymer-element>

]]></content>
	<tabTrigger>&lt;polymer</tabTrigger>
</snippet>

I had to turn off parenthesis/quotation mark/etc auto matching by adding "auto_match_enabled": false to my settings, otherwise Sublime would stop mirroring to the "attributes" attribute the minute I typed an opening parenthesis/quotation mark/etc. Does anyone know how to allow auto-matching and still stay in the cool Snippets mirroring mode?

Using ":host" instead of deprecated "@host".