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dedup customElements.define#1

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Gabez0r wants to merge 1 commit intoswarnadipa-dev:masterfrom
Gabez0r:fix-dedup
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dedup customElements.define#1
Gabez0r wants to merge 1 commit intoswarnadipa-dev:masterfrom
Gabez0r:fix-dedup

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@Gabez0r Gabez0r commented Apr 12, 2022

The goal here is to fix the issue

Uncaught (in promise) DOMException: Failed to execute 'define' on 'CustomElementRegistry': the name "dom-module" has already been used with this registry

This doesn't happen on Web UI. It happens only with the Polymer Starter Kit because it is using dynamic imports. This would most likely be fixed if the starter kit was using more modern build tooling.

The fix consists of simply preventing the customElement.define from breaking the app if an element is being defined twice.

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