shawnbot/custom-elements

better polyfills with built-in support

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#14 opened on Feb 24, 2019

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help wanted

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Description

Unfortunately the custom element polyfill provided by @webcomponents does not support extended built-in custom elements, has this known limitations and is slow.

The most bullet proof and battle tested polyfills I found are from @WebReflection. Please consider to at least mention them, if not just replacing by those:

Contributor guide

Research direction
Investigate the proposed polyfills (document register element and built in element) for compatibility, performance, and documentation updates.
Tech stack
javascript
Domain
frontend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
JavaScriptWeb ComponentsGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70