Initial commit

Signed-off-by: Andrew Welch <andrew@nystudio107.com>

.craftplugin

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+{"pluginName":"iCalendar","pluginDescription":"Ensures that text conforms to the RFC 2445 iCalendar specification","pluginVersion":"1.0.0","pluginAuthorName":"nystudio107","pluginVendorName":"nystudio107","pluginAuthorUrl":"https://nystudio107.com","pluginAuthorGithub":"nystudio107","codeComments":"","pluginComponents":["services","twigextensions","variables"],"consolecommandName":"","controllerName":"","cpsectionName":"","elementName":"","fieldName":"","modelName":"","purchasableName":"","recordName":"","serviceName":"Convert","taskName":"","utilityName":"","widgetName":"","apiVersion":"api_version_3_0"}

.gitignore

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+# CRAFT ENVIRONMENT
+.env.php
+.env.sh
+.env
+
+# COMPOSER
+/vendor
+
+# BUILD FILES
+/bower_components/*
+/node_modules/*
+/build/*
+/yarn-error.log
+
+# MISC FILES
+.cache
+.DS_Store
+.idea
+.project
+.settings
+*.esproj
+*.sublime-workspace
+*.sublime-project
+*.tmproj
+*.tmproject
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+config.codekit3
+prepros-6.config

CHANGELOG.md

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+# iCalendar Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
+
+## 1.0.0 - 2018-11-14
+### Added
+- Initial release

LICENSE.md

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+The MIT License (MIT)
+
+Copyright (c) 2018 nystudio107
+
+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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+# iCalendar plugin for Craft CMS 3.x
+
+Ensures that text conforms to the RFC 2445 iCalendar specification
+
+## Requirements
+
+This plugin requires Craft CMS 3.0.0 or later.
+
+## Installation
+
+To install the plugin, follow these instructions.
+
+1. Open your terminal and go to your Craft project:
+
+        cd /path/to/project
+
+2. Then tell Composer to load the plugin:
+
+        composer require nystudio107/craft-icalendar
+
+3. In the Control Panel, go to Settings → Plugins and click the “Install” button for iCalendar.
+
+Or you can just install the plugin via the Craft CMS Plugin Store in the AdminCP
+
+## iCalendar Overview
+
+iCalendar ensures that text conforms to the RFC 2445 [iCalendar specification](https://icalendar.org/) for `.ics` files. Specifically, it transforms text:
+
+ * to ensure the line endings are `\r\n` as opposed to Twig's default `\n`
+ * wrap long text to ensure that it is no more than 75 octets in length
+ * removes unnecessary whitespace
+ * strips all HTML tags from the text 
+
+## Configuring iCalendar
+
+There's nothing to configure.
+
+## Using iCalendar
+
+To use iCalendar, just wrap your Twig code that outputs your iCalendar RFC 2445 text like so:
+
+```twig
+{% filter rfc2445 %}
+BEGIN:VCALENDAR
+PRODID:Camden Open House
+CALSCALE:GREGORIAN
+VERSION:2.0
+METHOD:PUBLISH
+TRANSP:TRANSPARENT
+X-WR-CALNAME:Camden Open House
+X-WR-TIMEZONE:America/New_York
+BEGIN:VEVENT
+    UID:1119
+    DTSTAMP:20181201T120101Z
+    DTSTART:20181201T120101Z
+    DTEND:20181108T120101Z
+    LOCATION:On Campus Camden, SC
+    SUMMARY:OPEN HOUSE (ON CAMPUS) FOR PROSPECTIVE FAMILIES/CADETS
+    DESCRIPTION:This is a <strong>very long description</strong>, too long to fit inside of 75 octets, certainly! An on campus open house will be held on Saturday, December 1 2018 at 7pm.
+    URL:test
+    END:VEVENT
+END:VCALENDAR
+{% endfilter %}
+```
+
+This will output:
+```
+BEGIN:VCALENDAR
+PRODID:Camden Open House
+CALSCALE:GREGORIAN
+VERSION:2.0
+METHOD:PUBLISH
+TRANSP:TRANSPARENT
+X-WR-CALNAME:Camden Open House
+X-WR-TIMEZONE:America/New_York
+BEGIN:VEVENT
+UID:1119
+DTSTAMP:20181201T120101Z
+DTSTART:20181201T120101Z
+DTEND:20181108T120101Z
+LOCATION:On Campus Camden, SC
+SUMMARY:OPEN HOUSE (ON CAMPUS) FOR PROSPECTIVE FAMILIES/CADETS
+DESCRIPTION:This is a very long description, too long to fit inside of 75 o
+	ctets, certainly! An on campus open house will be held on Saturday, Decemb
+	er 1 2018 at 7pm.
+URL:test
+END:VEVENT
+END:VCALENDAR
+```
+
+Note that HTML code and whitespace have been stripped, and long lines have been wrapped. What you can't see is that the line endings are `\r\n` as per spec, as opposed to Twig's `\n` line ending.
+
+You can put whatever Twig code you want inside of the filter to output your entries.
+
+You can validate your `.ics` files using the [iCalendar validator](https://icalendar.org/validator.html)
+
+## iCalendar Roadmap
+
+Some things to do, and ideas for potential features:
+
+* Release it
+
+Brought to you by [nystudio107](https://nystudio107.com)

composer.json

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+{
+    "name": "nystudio107/craft-icalendar",
+    "description": "Ensures that text conforms to the RFC 2445 iCalendar specification",
+    "type": "craft-plugin",
+    "version": "1.0.0",
+    "keywords": [
+        "craft",
+        "cms",
+        "craftcms",
+        "craft-plugin",
+        "icalendar"
+    ],
+    "support": {
+        "docs": "https://github.com/nystudio107/craft-icalendar/blob/master/README.md",
+        "issues": "https://github.com/nystudio107/craft-icalendar/issues"
+    },
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "nystudio107",
+            "homepage": "https://nystudio107.com"
+        }
+    ],
+    "require": {
+        "craftcms/cms": "^3.0.0"
+    },
+    "autoload": {
+        "psr-4": {
+          "nystudio107\\icalendar\\": "src/"
+        }
+    },
+    "extra": {
+        "name": "iCalendar",
+        "handle": "icalendar",
+        "hasCpSettings": false,
+        "hasCpSection": false,
+        "changelogUrl": "https://raw.githubusercontent.com/nystudio107/craft-icalendar/master/CHANGELOG.md",
+        "components": {
+            "convert": "nystudio107\\icalendar\\services\\Convert"
+        },
+        "class": "nystudio107\\icalendar\\ICalendar"
+    }
+}

src/ICalendar.php

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+<?php
+/**
+ * iCalendar plugin for Craft CMS 3.x
+ *
+ * Ensures that text conforms to the RFC 2445 iCalendar specification
+ *
+ * @link      https://nystudio107.com
+ * @copyright Copyright (c) 2018 nystudio107
+ */
+
+namespace nystudio107\icalendar;
+
+use nystudio107\icalendar\services\Convert as ConvertService;
+use nystudio107\icalendar\twigextensions\ICalendarTwigExtension;
+
+use Craft;
+use craft\base\Plugin;
+
+/**
+ * Class ICalendar
+ *
+ * @author    nystudio107
+ * @package   ICalendar
+ * @since     1.0.0
+ *
+ * @property  ConvertService $convert
+ */
+class ICalendar extends Plugin
+{
+    // Static Properties
+    // =========================================================================
+
+    /**
+     * @var ICalendar
+     */
+    public static $plugin;
+
+    // Public Properties
+    // =========================================================================
+
+    /**
+     * @var string
+     */
+    public $schemaVersion = '1.0.0';
+
+    // Public Methods
+    // =========================================================================
+
+    /**
+     * @inheritdoc
+     */
+    public function init()
+    {
+        parent::init();
+        self::$plugin = $this;
+
+        Craft::$app->view->registerTwigExtension(new ICalendarTwigExtension());
+
+        Craft::info(
+            Craft::t(
+                'icalendar',
+                '{name} plugin loaded',
+                ['name' => $this->name]
+            ),
+            __METHOD__
+        );
+    }
+
+    // Protected Methods
+    // =========================================================================
+}