Deferred Requirements support

README.md

@@ -10,14 +10,22 @@ Checkout files at /site/ folder for details
 + WebpackTemplateProvider::WebpackJS('file-name') and WebpackTemplateProvider::WebpackCSS('file-name') can be used at php area 
 + All images will be optimised at /site/src/img and will be written to /site/dist/img (by default)
 + Favicons will be generated at /site/dist/icons using /site/src/favicon.png
-+ Folder /site/src/js/types is used to create page specific JS (just create a JS file there and it will be compiled)
++ Folder /site/src/js/types is used to create page specific JS (just create JS file there and it will be compiled)
++ Folder /site/src/scss/types is used to create page specific CSS (just create SCSS file there and it will be compiled)
++ Automatic linting (JS+SCSS)
 + Bootstrap 4 included by default
++ Font-Awesome included by default
++ Deferred requirements loading
++ Requirements auto-loading
 
 ### Folder structure:
+
 + /site/_config/webpack.yml (Webpack configurtion)
 + /site/code/WebpackTemplateProvider.php (WebpackJS and WebpackCSS functionality)
++ /site/code/DeferedRequirements.php (Deferred Requirements + Requirements auto-loader)
 + /site/templates/Page.ss (An example Page.ss)
 + /site/src (Your sources)
++ /site/dist (Your production assets)
 
 
 
@@ -28,18 +36,16 @@ Checkout files at /site/ folder for details
 + /site/src/js/main.js (Your custom site-wide functionality)
 + /site/src/js/_events.js (Your custom site-wide events)
 + /site/src/js/_pageType_and_component_template.js (A template which can be used to create new modules)
-+ /site/src/types/*.js (Extra page-specific modules to be autocompiled. My suggestion is to use *ClassName*.js and then require it at SilverStripe custom controller area)
++ /site/src/types/*.js (Extra page-specific modules to be auto-compiled. My suggestion is to use *ClassName*.js and then require it at SilverStripe custom controller area)
 
 
 
 + /site/src/scss (Your styling to be compiled)
 + /site/src/scss/_components (Your custom SCSS components)
-+ /site/src/scss/app.scss (main application file to include sie-wide components)
++ /site/src/scss/app.scss (main application file to include site-wide components)
 + /site/src/scss/_variables.sccs (your custom variables, ex. bootstrap)
 + /site/src/scss/_layout.sccs (Your site-wide styling)
 
-##### P.S to compile page specific styling add following line to /site/src/types/*PageClassName*.js
-###### import "../scss/types/*PageClassName*.scss";
 
 ### Requirements:
 
@@ -51,14 +57,16 @@ Checkout files at /site/ folder for details
 + git clone https://github.com/a2nt/silverstripe-webpack.git
 + cd silverstripe-webpack 
 + composer install
-+ yarn install
++ npm install
 + edit robots.txt, humans.txt, cache.appcache, manifest.json and package.json to setup your own project
 
 ### Commands:
 
 + yarn - to update packages
-+ yarn start - to start webpack webserver
-+ yarn build - to build assets# silverstripe-webpack
++ yarn start - to start webpack development webserver
++ yarn build - to build production assets
++ yarn lint:check - to check SCSS and JS linting
++ yarn lint:fix - to fix SCSS and JS linting automatically
 
 ### TODO:
 

site/_config/webpack.yml

@@ -3,9 +3,9 @@
 # Cuz WebPack compiling script use it to set configuration
 
 WebpackTemplateProvider:
-  dist: site/dist
-  hostname: localhost
-  port: "3000"
-  pages: site/src/js/types
-  pagesscss: site/src/scss/types
-  src: site/src
+  SRC: site/src
+  DIST: site/dist
+  HOSTNAME: localhost
+  PORT: "3000"
+  TYPESJS: site/src/js/types
+  TYPESSCSS: site/src/scss/types

site/code/DeferedRequirements.php

@@ -0,0 +1,122 @@
+<?php
+
+class DeferedRequirements extends Object implements TemplateGlobalProvider {
+
+    private static $css = [];
+    private static $js = [];
+    private static $defered = false;
+    private static $static_domain;
+    private static $version;
+
+    /**
+     * @return array
+     */
+    public static function get_template_global_variables()
+    {
+        return [
+            'AutoRequirements' => 'Auto',
+            'DeferedCSS' => 'loadCSS',
+            'DeferedJS' => 'loadJS',
+        ];
+    }
+
+    public static function Auto($class = false)
+    {
+        // Initialization
+        Requirements::block(THIRDPARTY_DIR.'/jquery/jquery.js');
+        if (defined('FONT_AWESOME_DIR')) {
+            Requirements::block(FONT_AWESOME_DIR.'/css/lib/font-awesome.min.css');
+        }
+        Requirements::set_force_js_to_bottom(true);
+
+        // Main libs
+        DeferedRequirements::loadJS('//ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js');
+
+        // App libs
+        DeferedRequirements::loadJS(project().'/dist/js/app.js');
+        DeferedRequirements::loadCSS(project().'/dist/css/app.css');
+
+        // Class libs
+        if($class) {
+            DeferedRequirements::loadJS(project() . '/dist/js/' . $class . '.js');
+            DeferedRequirements::loadCSS(project() . '/dist/css/' . $class . '.css');
+        }
+
+        return self::forTemplate();
+    }
+
+    public static function loadCSS($css)
+    {
+        if (self::$defered && !self::_webpackActive()) {
+            self::$css[] = $css;
+        } else {
+            WebpackTemplateProvider::loadCSS($css);
+        }
+    }
+
+    public static function loadJS($js)
+    {
+        if (self::$defered && !self::_webpackActive()) {
+            self::$js[] = $js;
+        } else {
+            WebpackTemplateProvider::loadJS($js);
+        }
+    }
+
+    protected static function _webpackActive()
+    {
+        return class_exists('WebpackTemplateProvider') && WebpackTemplateProvider::isActive();
+    }
+
+    public static function setDefered($bool)
+    {
+        self::$defered = $bool;
+    }
+
+    public static function forTemplate()
+    {
+        if (!self::$defered || self::_webpackActive()) {
+            return false;
+        }
+
+        $result = '';
+        foreach (self::$css as $css) {
+            $result .= '<i class="defer-cs" data-load="' . self::get_url($css) . '"></i>';
+        }
+        foreach (self::$js as $js) {
+            $result .= '<i class="defer-sc" data-load="' . self::get_url($js) . '"></i>';
+        }
+
+        $result .=
+            '<script type="text/javascript">function lsc(a,b){var c=document.createElement("script");c.type="text/javascript",c.readyState'
+            .'?c.onreadystatechange=function(){"loaded"!=c.readyState&&"complete"!=c.readyState||(c.onreadystatechange=null,b())}'
+            .':c.onload=function(){b()},c.src=a,document.getElementsByTagName("body")[0].appendChild(c)}'
+            .'function lscd(a){a<s.length-1&&(a++,lsc(s.item(a).getAttribute("data-load"),function(){lscd(a)}))}'
+            .'for(var s=document.getElementsByClassName("defer-cs"),i=0;i<s.length;i++){var b=document.createElement("link");b.rel="stylesheet",'
+            .'b.type="text/css",b.href=s.item(i).getAttribute("data-load"),b.media="all";var c=document.getElementsByTagName("body")[0];'
+            .'c.appendChild(b)}var s=document.getElementsByClassName("defer-sc"),i=0;lsc(s.item(i).getAttribute("data-load"),function(){lscd(i)});'
+            .'</script>';
+
+        return $result;
+    }
+
+    private static function get_url($url)
+    {
+        // external URL
+        if (strpos($url, '//') !== false) {
+            return $url;
+        }
+
+        $version = Config::inst()->get('DeferedRequirements', 'version');
+        $version = $version
+            ? strpos($url, '?') // inner URL
+                ? '&'.$version // add param
+                : '?'.$version // new param
+            : ''; // no version defined
+
+        $static_domain = Config::inst()->get('DeferedRequirements', 'static_domain');
+        $static_domain = $static_domain ? $static_domain : '';
+
+        return $url.$version;
+    }
+}

site/code/WebpackTemplateProvider.php

@@ -6,18 +6,6 @@
 
 class WebpackTemplateProvider extends Object implements TemplateGlobalProvider
 {
-    /**
-     * @return array
-     */
-    public static function get_template_global_variables()
-    {
-        return [
-            'WebpackDevServer' => 'isActive',
-            'WebpackCSS' => 'loadCSS',
-            'WebpackJS' => 'loadJS',
-        ];
-    }
-
     /**
      * @var int port number
      */
@@ -31,7 +19,19 @@ class WebpackTemplateProvider extends Object implements TemplateGlobalProvider
     /**
      * @var string assets static files directory
      */
-    private static $distDir = 'site/dist';
+    private static $dist = 'site/dist';
+
+    /**
+     * @return array
+     */
+    public static function get_template_global_variables()
+    {
+        return [
+            'WebpackDevServer' => 'isActive',
+            'WebpackCSS' => 'loadCSS',
+            'WebpackJS' => 'loadJS',
+        ];
+    }
 
     /**
      * Load CSS file
@@ -39,9 +39,7 @@ class WebpackTemplateProvider extends Object implements TemplateGlobalProvider
      */
     public static function loadCSS($path)
     {
-        if (!self::isActive()) {
-            Requirements::css(self::_toPublicPath($path));
-        }
+        Requirements::css(self::_getPath($path));
     }
 
     /**
@@ -50,11 +48,7 @@ class WebpackTemplateProvider extends Object implements TemplateGlobalProvider
      */
     public static function loadJS($path)
     {
-        $path = self::isActive() ?
-            self::_toDevServerPath($path) :
-            self::_toPublicPath($path);
-
-        Requirements::javascript($path);
+        Requirements::javascript(self::_getPath($path));
     }
 
 
@@ -66,26 +60,39 @@ class WebpackTemplateProvider extends Object implements TemplateGlobalProvider
     {
         $class = __CLASS__;
         return Director::isDev() && !!@fsockopen(
-                $class::config()->get('hostname'),
-                $class::config()->get('port')
+            $class::config()->get('HOSTNAME'),
+            $class::config()->get('PORT')
         );
     }
 
+    protected static function _getPath($path)
+    {
+        return self::isActive() && strpos($path,'//') === false ?
+            self::_toDevServerPath($path) :
+            self::_toPublicPath($path);
+    }
+
     protected static function _toDevServerPath($path)
     {
         $class = __CLASS__;
         return sprintf(
             '%s%s:%s/%s',
             Director::protocol(),
-            $class::config()->get('hostname'),
-            $class::config()->get('port'),
-            $path
+            $class::config()->get('HOSTNAME'),
+            $class::config()->get('PORT'),
+            basename($path)
         );
     }
 
     protected static function _toPublicPath($path)
     {
         $class = __CLASS__;
-        return $class::config()->get('distDir') . '/' . $path;
+        return strpos($path,'//') === false ?
+            Controller::join_links(
+                $class::config()->get('DIST'),
+                (strpos($path,'.css') ? 'css' : 'js' ),
+                $path
+            )
+            : $path;
     }
 }

site/src/js/app.js

@@ -18,9 +18,6 @@ import 'bootstrap/js/dist/tab';
 // import your custom UI components
 import './main';
 
-// bootstrap fix
-window.Popper = Popper;
-
 // import images
 function importAll(r) {
   return r.keys().map(r);

site/templates/Includes/Prestyling.ss

@@ -0,0 +1 @@
+<style>html,body{font-size:14px;margin:0;padding:0;background:#fff;color:#333}.bubblingG{width:78px;height:49px;margin:auto}#PageLoading{position:fixed;left:0;top:0;margin:0;width:100%!important;height:100%!important;background:rgba(255,255,255,.9);display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;z-index:9999}.bubblingG span{display:inline-block;vertical-align:middle;width:10px;height:10px;margin:24px auto;background:#000;border-radius:49px;animation:bubblingG 1.5s infinite alternate}#bubblingG_1{animation-delay:0s}#bubblingG_2{animation-delay:.45s}#bubblingG_3{animation-delay:.9s}@keyframes bubblingG{0%{width:10px;height:10px;background-color:#000;transform:translateY(0)}100%{width:23px;height:23px;background-color:#fff;transform:translateY(-20px)}}.main-bn{position:fixed;top:0;left:0;width:100%;z-index:9999;padding:.5rem 1rem;text-align:center;color:#fff;background:#FF0000}</style>

site/templates/Page.ss

@@ -40,8 +40,19 @@
     <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
     <meta name="viewport" content="width=device-width,user-scalable=no,initial-scale=1,maximum-scale=1" />
+
+    <% include Prestyling %>
 </head>
 <body oncontextmenu="return false;">
+	<%-- Upgrade your Browser notice --%>
+	<!--[if lt IE 10]><div class="main-bn"><a href="https://www.google.com/chrome/browser/desktop/" title="<%t Page.UPGRADEBROWSER 'Upgrade your browser' %>"><%t Page.OUTDATEDBROWSER 'You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.' %></a></div><![endif]-->
+
+	<%-- No JS enabled notice --%>
+	<noscript><div class="main-bn"><%t Page.JAVASCRIPTREQUIRED 'Please, enable javascript.' %></div></noscript>
+
+	<%-- Loading Spinner --%>
+	<div id="PageLoading"><div class="loading-spinner"><div class="bubblingG"><span id="bubblingG_1"></span><span id="bubblingG_2"></span><span id="bubblingG_3"></span></div><br/><%t Page.LOADINGTEXT 'LOADING ..' %></div></div>
+
     <header>
         
     </header>
@@ -60,8 +71,7 @@
 
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js" crossorigin="anonymous"></script>
     
-    $WebpackJS('app.js')
-    $WebpackCSS('app.css')
-
+    <%-- Require CSS+JS from /site/dist/[js,css]/[ClassName].[js,css] --%>
+    $AutoRequirements($ClassName).RAW
 </body>
 </html>

webpack.config.common.js

@@ -1,15 +1,19 @@
-const path = require("path");
+/*
+ * Common Environment
+ */
+
 const webpack = require("webpack");
-const ExtractTextPlugin = require("extract-text-webpack-plugin");
-const ManifestPlugin = require("webpack-manifest-plugin");
 const conf = require("./webpack.configuration");
-const isProduction = process.env.NODE_ENV === "production";
+
+const path = require("path");
 
 const includes = {
-    app: path.join(conf.SRC, "js/app.js"),
+    app: path.join(__dirname, conf.SRC, "js/app.js"),
 };
 
 const _getAllFilesFromFolder = function(dir) {
+    dir = path.join(__dirname, dir);
+
     let filesystem = require("fs");
     let results = [];
 
@@ -28,13 +32,13 @@ const _getAllFilesFromFolder = function(dir) {
 };
 
 // add page specific scripts
-const pageScripts = _getAllFilesFromFolder(conf.PAGES);
+const pageScripts = _getAllFilesFromFolder(conf.TYPESJS);
 pageScripts.forEach((file) => {
     includes[path.basename(file, ".js")] = file;
 });
 
 // add page specific scss
-const scssIncludes = _getAllFilesFromFolder(conf.PAGESSCSS);
+const scssIncludes = _getAllFilesFromFolder(conf.TYPESSCSS);
 scssIncludes.forEach((file) => {
     includes[path.basename(file, ".scss")] = file;
 });
@@ -75,7 +79,9 @@ module.exports = {
             test: /\.(png|jpg|gif|svg)$/,
             loader: "file-loader",
             options: {
-                name: "img/[name].[ext]",
+                name: "[name].[ext]",
+                outputPath: 'img/',
+                publicPath: '/site/dist/img/'
             }
         }, {
             test: /\.worker\.js$/,

webpack.config.dev.js

@@ -1,3 +1,8 @@
+/*
+ * Development assets generation
+ */
+
+const path = require("path");
 const autoprefixer = require('autoprefixer');
 const webpack = require('webpack');
 const merge = require('webpack-merge');
@@ -16,14 +21,14 @@ const config = merge.strategy({
             'react-hot-loader/patch',
             'webpack-dev-server/client?https://' + conf.HOSTNAME + ':' + conf.PORT + '/',
             'webpack/hot/only-dev-server',
-        ],
+        ]
     },
 
     output: {
-        path: conf.BUILD,
+        path:  path.join(__dirname, conf.DIST),
         filename: '[name].js',
         // necessary for HMR to know where to load the hot update chunks
-        publicPath: 'http://' + conf.HOSTNAME + ':' + conf.PORT + '/'
+        publicPath: 'https://' + conf.HOSTNAME + ':' + conf.PORT + '/'
     },
 
     module: {
@@ -56,9 +61,7 @@ const config = merge.strategy({
                                 'Chrome >= 44', // Retail
                                 'Samsung >= 4'
                             ]
-                        }),
-                        // http://lostgrid.org/docs.html
-                        require('lost')
+                        })
                     ]
                 }
             }, {
@@ -72,7 +75,7 @@ const config = merge.strategy({
             use: [{
                 loader: 'url-loader'
             }]
-        }, ]
+        }]
     },
     plugins: [
         new webpack.NamedModulesPlugin(),
@@ -84,7 +87,9 @@ const config = merge.strategy({
         host: IP,
         port: PORT,
         historyApiFallback: true,
-        hot: true,
+        hot: false,
+        clientLogLevel: "info",
+        //watchContentBase: true,
         overlay: {
             warnings: true,
             errors: true

webpack.config.prod.js

@@ -1,22 +1,25 @@
-const path = require('path');
-const autoprefixer = require('autoprefixer');
+/*
+ * Production assets generation
+ */
+
 const webpack = require('webpack');
+const conf = require('./webpack.configuration');
 const merge = require('webpack-merge');
 const common = require('./webpack.config.common.js');
-const OptimizeCSSAssets = require('optimize-css-assets-webpack-plugin');
-const conf = require('./webpack.configuration');
+
+const path = require('path');
+const autoprefixer = require('autoprefixer');
 const ExtractTextPlugin = require("extract-text-webpack-plugin");
+
+const OptimizeCSSAssets = require('optimize-css-assets-webpack-plugin');
 const FaviconsWebpackPlugin = require("favicons-webpack-plugin");
-const fs = require("fs");
-const yaml = require("js-yaml");
-const confYML = yaml.safeLoad(fs.readFileSync(path.join(__dirname, "site/_config/webpack.yml"), "utf8"));
 
 module.exports = merge(common, {
 
     output: {
-        path: conf.BUILD,
-        filename: '[name].js',
-        publicPath: confYML.WebpackTemplateProvider.dist + '/',
+        path:  path.join(__dirname, conf.DIST),
+        filename: 'js/[name].js',
+        publicPath: conf.DIST + '/',
     },
 
     module: {
@@ -46,9 +49,7 @@ module.exports = merge(common, {
                                     'Chrome >= 44', // Retail
                                     'Samsung >= 4'
                                 ]
-                            }),
-                            // http://lostgrid.org/docs.html
-                            require('lost')
+                            })
                         ]
                     }
                 }, {
@@ -66,35 +67,33 @@ module.exports = merge(common, {
                 loader: 'file-loader',
                 options: {
                     name: '[name].[ext]',
-                    outputPath: 'fonts/',    // where the fonts will go
-                    publicPath: './'       // override the default path
+                    outputPath: 'fonts/',
+                    publicPath: '../fonts/'
                 }
             }]
         } ]
     },
 
     plugins: [
-
         new webpack.DefinePlugin({
             'process.env': {
                 'NODE_ENV': JSON.stringify('production')
             }
         }),
-
         new webpack.optimize.ModuleConcatenationPlugin(),
         new webpack.optimize.UglifyJsPlugin({
             sourceMap: true,
             comments: false
         }),
         new ExtractTextPlugin({
-            filename: '[name].css',
+            filename: 'css/[name].css',
             allChunks: true
         }),
         new OptimizeCSSAssets(),
         new FaviconsWebpackPlugin({
-            logo: conf.SRC + '/favicon.png',
+            logo:  path.join(__dirname, conf.SRC) + '/favicon.png',
             prefix: '/icons/',
-            statsFilename: confYML.WebpackTemplateProvider.dist + '/icons/iconstats.json',
+            statsFilename: conf.DIST + '/icons/iconstats.json',
             icons: {
                 android: true,
                 appleIcon: true,

webpack.configuration.js

@@ -1,13 +1,10 @@
+/*
+ * Load webpack configuration from site/_config/webpack.yml
+ */
+
 const path = require("path");
 const fs = require("fs");
 const yaml = require("js-yaml");
 const conf = yaml.safeLoad(fs.readFileSync(path.join(__dirname, "site/_config/webpack.yml"), "utf8"));
 
-module.exports = {
-    SRC: path.join(__dirname, conf.WebpackTemplateProvider.src),
-    BUILD: path.join(__dirname, conf.WebpackTemplateProvider.dist),
-    PAGES: path.join(__dirname, conf.WebpackTemplateProvider.pages),
-    PAGESSCSS: path.join(__dirname, conf.WebpackTemplateProvider.pagesscss),
-    HOSTNAME: conf.WebpackTemplateProvider.hostname,
-    PORT: conf.WebpackTemplateProvider.port
-};
+module.exports = conf.WebpackTemplateProvider;