Initial development

.gitattributes

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+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+# Set EOL for PHP project files
+*.php text eol=lf
+
+# Denote all files that are truly binary and should not be modified.
+*.eot binary
+*.ttf binary
+*.woff binary
+*.woff2 binary

.gitignore

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+/vendor/
+composer.lock
+phpunit.xml
+.phpunit.result.cache
+
+# Dev environment
+.idea

.travis.yml

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+dist: trusty
+sudo: required
+language: php
+php:
+  - 7.2
+  - 7.3
+  - 7.4
+  - 8.0
+
+before_install:
+  - sudo apt-get -qq update
+
+before_script:
+  - composer self-update
+  - composer install
+
+script: vendor/bin/phpunit

CHANGELOG.md

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+# Change Log
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning] (http://semver.org/).
+For change log format, use [Keep a Changelog] (http://keepachangelog.com/).
+
+## [1.0.0] - 2020-08-13
+
+Initial development

LICENSE

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+MIT License
+
+Copyright (c) 2019 Ronan Giron
+
+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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+# Emoji support for `league/commonmark`
+
+This extension adds UTF-8 emoji with Github tag for the `league/commonmark` PHP Markdown parsing engine, based on the CommonMark spec.
+
+## Installation
+
+You can install the client with [Composer](https://getcomposer.org/):
+
+```bash
+composer require elgigi/commonmark-emoji
+```
+
+## Usage
+
+Extension can be added to any new Environment:
+
+```php
+use League\CommonMark\CommonMarkConverter;
+use League\CommonMark\Environment;
+use ElGigi\CommonMarkEmoji\EmojiExtension;
+
+// Obtain a pre-configured Environment with all the CommonMark parsers/renderers ready-to-go
+$environment = Environment::createCommonMarkEnvironment();
+
+// Add this extension
+$environment->addExtension(new EmojiExtension());
+
+// Instantiate the converter engine and start converting some Markdown!
+$converter = new CommonMarkConverter($config, $environment);
+echo $converter->convertToHtml('This extension is great :smile:!');
+```

composer.json

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+{
+  "name": "elgigi/commonmark-emoji",
+  "description": "CommonMark extension adds UTF-8 emoji with Github tag for the `league/commonmark` PHP Markdown parsing engine, based on the CommonMark spec.",
+  "license": "MIT",
+  "version": "1.0.0",
+  "type": "library",
+  "minimum-stability": "stable",
+  "autoload": {
+    "psr-4": {
+      "ElGigi\\CommonMarkEmoji\\": "src/"
+    }
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "ElGigi\\CommonMarkEmoji\\Tests\\": "tests/"
+    }
+  },
+  "require": {
+    "php": "^7.2",
+    "league/commonmark": "^1.0"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "^8.0|^9.0"
+  }
+}

phpunit.xml.dist

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit bootstrap="./tests/bootstrap.php" colors="true">
+  <testsuites>
+    <testsuite name="ElGigi CommonMark Emoji Extension test suite">
+      <directory suffix="Test.php">./tests</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>