Copy over everything from symfony/ux#2288

Author: Flo

.gitattributes

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+/.gitattributes export-ignore
+/.gitignore export-ignore
+/.symfony.bundle.yaml export-ignore
+/assets/src export-ignore
+/assets/test export-ignore
+/assets/vitest.config.js export-ignore
+/doc export-ignore
+/phpunit.xml.dist export-ignore
+/tests export-ignore

.gitignore

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+/assets/node_modules/
+/vendor/
+/composer.lock
+/phpunit.xml
+/.phpunit.result.cache

.symfony.bundle.yaml

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+branches: ["2.x"]
+maintained_branches: ["2.x"]
+doc_dir: "doc"

CHANGELOG.md

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+# CHANGELOG
+
+## 2.13.2
+
+-   Revert "Change JavaScript package to `type: module`"
+
+## 2.13.0
+
+-   Add support for Svelte 4.
+-   Add Symfony 7 support.
+-   Change JavaScript package to `type: module`
+
+## 2.9.0
+
+-   Add support for symfony/asset-mapper
+
+-   Replace `symfony/webpack-encore-bundle` by `symfony/stimulus-bundle` in dependencies
+
+-   Minimum PHP version is now 8.1
+
+## 2.8.0
+
+-   Introduce the package

LICENSE

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+Copyright (c) 2021-present Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+# Fork by ChqThomas
+
+https://github.com/symfony/ux/pull/2288
+
+# Symfony UX Svelte
+
+Symfony UX Svelte integrates [Svelte](https://svelte.dev/) into Symfony applications.
+It provides tools to render Svelte 3 components from Twig.
+
+**This repository is a READ-ONLY sub-tree split**. See
+https://github.com/symfony/ux to create issues or submit pull requests.
+
+## Resources
+
+-   [Documentation](https://symfony.com/bundles/ux-svelte/current/index.html)
+-   [Report issues](https://github.com/symfony/ux/issues) and
+    [send Pull Requests](https://github.com/symfony/ux/pulls)
+    in the [main Symfony UX repository](https://github.com/symfony/ux)
+

assets/dist/components.d.ts

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+import type { SvelteComponent } from 'svelte';
+export interface ComponentCollection {
+    [key: string]: SvelteComponent;
+}
+export declare const components: ComponentCollection;

assets/dist/components.js

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+const components = {};
+
+export { components };

assets/dist/loader.d.ts

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+import type { SvelteComponent } from 'svelte';
+import { type ComponentCollection } from './components.js';
+declare global {
+    function resolveSvelteComponent(name: string): typeof SvelteComponent<any>;
+    interface Window {
+        resolveSvelteComponent(name: string): typeof SvelteComponent<any>;
+    }
+}
+export declare function registerSvelteControllerComponents(svelteComponents?: ComponentCollection): void;

assets/dist/loader.js

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+import { components } from './components.js';
+
+function registerSvelteControllerComponents(svelteComponents = components) {
+    window.resolveSvelteComponent = (name) => {
+        const component = svelteComponents[name];
+        if (typeof component === 'undefined') {
+            const possibleValues = Object.keys(svelteComponents).length > 0 ? Object.keys(svelteComponents).join(', ') : 'none';
+            throw new Error(`Svelte controller "${name}" does not exist. Possible values: ${possibleValues}`);
+        }
+        return component;
+    };
+}
+
+export { registerSvelteControllerComponents };