Initial commit of symfony/ux-live-component

Co-authored-by: Kevin Bond <kevinbond@gmail.com>

Author: weaverryan

src/LiveComponent/.gitattributes

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+/.github export-ignore
+/tests export-ignore

src/LiveComponent/.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  tests:
+    name: PHP ${{ matrix.php }}, SF ${{ matrix.symfony }} - ${{ matrix.stability }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php: [7.4, 8.0]
+        stability: [hightest]
+        symfony: [4.4.*, 5.2.*, 5.3.*]
+        include:
+          - php: 7.4
+            stability: lowest
+            symfony: '*'
+          - php: 8.0
+            stability: highest
+            symfony: '5.4.*@dev'
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2.3.3
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@2.7.0
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: none
+
+      - name: Install Symfony Flex
+        run: composer global require --no-progress --no-scripts --no-plugins symfony/flex dev-main
+
+      - name: Set minimum-stability to dev
+        run: composer config minimum-stability dev
+        if: ${{ contains(matrix.symfony, '@dev') }}
+
+      - name: Install dependencies
+        uses: ramsey/composer-install@v1
+        with:
+          dependency-versions: ${{ matrix.stability }}
+          composer-options: --prefer-dist
+        env:
+          SYMFONY_REQUIRE: ${{ matrix.symfony }}
+          COMPOSER_AUTH: ${{ secrets.COMPOSER_AUTH }}
+
+      - name: Test
+        run: vendor/bin/simple-phpunit -v
+
+  javascript_tests:
+    name: JavaScript ${{ matrix.node }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [12, 14, 16]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2.3.3
+
+      - name: Install dependencies
+        working-directory: assets
+        run: yarn
+
+      - name: Build dist file
+        working-directory: assets
+        run: yarn build
+
+      - name: Verify dist files are up to date
+        working-directory: assets
+        run: |
+          if [ -z "$(git status --porcelain)" ]; then
+            exit 0
+          else
+            exit 1
+          fi
+
+      - name: Run Tests
+        working-directory: assets
+        run: yarn test-only

src/LiveComponent/.gitignore

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+/composer.lock
+/phpunit.xml
+/vendor/
+/var/
+/.phpunit.result.cache

src/LiveComponent/LICENSE

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+MIT License
+
+Copyright (c) 2004-2021 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.

src/LiveComponent/assets/.gitignore

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+/node_modules/

src/LiveComponent/assets/.npmignore

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+.babelrc
+.gitignore
+yarn.lock
+/.git
+/node_modules
+/test

src/LiveComponent/assets/README.md

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+# Live Stimulus
+
+## Installation
+
+Install the library:
+
+```
+composer require @symfony/ux-live-component
+```
+
+Re-install your assets:
+
+```
+yarn install --force
+```
+
+Now, register the new controller with Stimulus.
+
+**Symfony:**
+
+```diff
+// assets/bootstrap.js
+import { startStimulusApp } from '@symfony/stimulus-bridge';
+// ...
+
++import LiveController from '@symfony/ux-live-component';
++app.register('live', LiveController);
+
++// import some minor CSS
++import '@symfony/ux-live-component/styles/live.css';
+```
+

src/LiveComponent/assets/babel.config.json

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+{
+    "presets": [
+        [
+            "@babel/env",
+            {
+                "targets": {
+                    "node": "current",
+                    "ie": "11"
+                },
+                "useBuiltIns": "entry",
+                "corejs": "3.14.0"
+            }
+        ]
+    ],
+    "plugins": [
+        "@babel/plugin-proposal-class-properties"
+    ]
+}