1 files changed, 0 insertions, 92 deletions
diff --git a/packages/webapi/src/lib/CustomElementRegistry.ts b/packages/webapi/src/lib/CustomElementRegistry.ts
deleted file mode 100644
index 21f775d5e..000000000
--- a/packages/webapi/src/lib/CustomElementRegistry.ts
+++ /dev/null
@@ -1,92 +0,0 @@
-import * as _ from './utils'
-
-export class CustomElementRegistry {
-	/** Defines a new custom element using the given tag name and HTMLElement constructor. */
-	define(
-		name: string,
-		constructor: Function,
-		options?: ElementDefinitionOptions
-	) {
-		const internals = _.internalsOf<CustomElementRegistryInternals>(
-			this,
-			'CustomElementRegistry',
-			'define'
-		)
-
-		name = String(name)
-
-		if (/[A-Z]/.test(name))
-			throw new SyntaxError(
-				'Custom element name cannot contain an uppercase ASCII letter'
-			)
-		if (!/^[a-z]/.test(name))
-			throw new SyntaxError(
-				'Custom element name must have a lowercase ASCII letter as its first character'
-			)
-		if (!/-/.test(name))
-			throw new SyntaxError('Custom element name must contain a hyphen')
-
-		_.INTERNALS.set(constructor, {
-			attributes: {},
-			localName: name,
-		} as any)
-
-		internals.constructorByName.set(name, constructor)
-		internals.nameByConstructor.set(constructor, name)
-
-		void options
-	}
-
-	/** Returns the constructor associated with the given tag name. */
-	get(name: string) {
-		const internals = _.internalsOf<CustomElementRegistryInternals>(
-			this,
-			'CustomElementRegistry',
-			'get'
-		)
-
-		name = String(name).toLowerCase()
-
-		return internals.constructorByName.get(name)
-	}
-
-	getName(constructor: Function) {
-		const internals = _.internalsOf<CustomElementRegistryInternals>(
-			this,
-			'CustomElementRegistry',
-			'getName'
-		)
-
-		return internals.nameByConstructor.get(constructor)
-	}
-}
-
-_.allowStringTag(CustomElementRegistry)
-
-interface CustomElementRegistryInternals {
-	constructorByName: Map<string, Function>
-	nameByConstructor: Map<Function, string>
-}
-
-interface ElementDefinitionOptions {
-	extends?: string | undefined
-}
-
-export const initCustomElementRegistry = (
-	target: Record<any, any>,
-	exclude: Set<string>
-) => {
-	if (exclude.has('customElements')) return
-
-	const CustomElementRegistry =
-		target.CustomElementRegistry || globalThis.CustomElementRegistry
-
-	const customElements: CustomElementRegistry =
-		target.customElements ||
-		(target.customElements = new CustomElementRegistry())
-
-	_.INTERNALS.set(customElements, {
-		constructorByName: new Map(),
-		nameByConstructor: new Map(),
-	} as CustomElementRegistryInternals)
-}