Uglifying JavaScript

1. Installed node-sass grunt-sass
2. Added `const sass = require('node-sass');
3. Added initConfig

Note: SASS to CSS is not successful, has to deal with it later

.devcontainer/Dockerfile

@@ -0,0 +1,16 @@
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.163.1/containers/javascript-node/.devcontainer/base.Dockerfile
+
+# [Choice] Node.js version: 14, 12, 10
+ARG VARIANT="14-buster"
+FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:0-${VARIANT}
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+# [Optional] Uncomment if you want to install an additional version of node using nvm
+# ARG EXTRA_NODE_VERSION=10
+# RUN su node -c "source /usr/local/share/nvm/nvm.sh && nvm install ${EXTRA_NODE_VERSION}"
+
+# [Optional] Uncomment if you want to install more global node modules
+# RUN su node -c "npm install -g <your-package-list-here>"

.devcontainer/devcontainer.json

@@ -0,0 +1,29 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.163.1/containers/javascript-node
+{
+	"name": "Node.js",
+	"build": {
+		"dockerfile": "Dockerfile",
+		// Update 'VARIANT' to pick a Node version: 10, 12, 14
+		"args": { "VARIANT": "14" }
+	},
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": { 
+		"terminal.integrated.shell.linux": "/bin/bash"
+	},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"dbaeumer.vscode-eslint"
+	],
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "yarn install",
+
+	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "node"
+}

.gitignore

@@ -1,33 +1,37 @@
-# Windows image file caches
+# File created using '.gitignore Generator' for Visual Studio Code: https://bit.ly/vscode-gig
-Thumbs.db
-ehthumbs.db
 
-# Folder config file
+# Created by https://www.toptal.com/developers/gitignore/api/windows,visualstudiocode,executable,grunt,macos,node,vscode
-Desktop.ini
+# Edit at https://www.toptal.com/developers/gitignore?templates=windows,visualstudiocode,executable,grunt,macos,node,vscode
 
-# Recycle Bin used on file shares
+### Executable ###
-$RECYCLE.BIN/
+*.app
+*.bat
+*.cgi
+*.com
+*.exe
+*.gadget
+*.jar
+*.pif
+*.vb
+*.wsf
 
-# Windows Installer files
+### grunt ###
-*.cab
+# Grunt usually compiles files inside this directory
-*.msi
+dist/
-*.msm
-*.msp
 
-# Windows shortcuts
+# Grunt usually preprocesses files such as coffeescript, compass... inside the .tmp directory
-*.lnk
+.tmp/
-
-# =========================
-# Operating System Files
-# =========================
-
-# OSX
-# =========================
 
+### macOS ###
+# General
 .DS_Store
 .AppleDouble
 .LSOverride
 
+# Icon must end with two \r
+Icon
+
+
 # Thumbnails
 ._*
 
@@ -38,6 +42,7 @@ $RECYCLE.BIN/
 .TemporaryItems
 .Trashes
 .VolumeIcon.icns
+.com.apple.timemachine.donotpresent
 
 # Directories potentially created on remote AFP share
 .AppleDB
@@ -45,3 +50,174 @@ $RECYCLE.BIN/
 Network Trash Folder
 Temporary Items
 .apdisk
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+.env*.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Storybook build outputs
+.out
+.storybook-out
+storybook-static
+
+# rollup.js default build output
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# Temporary folders
+tmp/
+temp/
+
+### VisualStudioCode ###
+.vscode/*
+!.vscode/tasks.json
+!.vscode/launch.json
+*.code-workspace
+
+### VisualStudioCode Patch ###
+# Ignore all local history of files
+.history
+.ionide
+
+### vscode ###
+!.vscode/settings.json
+!.vscode/extensions.json
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.toptal.com/developers/gitignore/api/windows,visualstudiocode,executable,grunt,macos,node,vscode
+
+# Custom rules (everything added below won't be overriden by 'Generate .gitignore File' if you use 'Update' option)
+build

Gruntfile.js

@@ -0,0 +1,52 @@
+module.exports = function(grunt){
+    
+    const sass = require('node-sass');
+    // require('load-grunt-tasks')(grunt);
+
+    // Configuration
+    grunt.initConfig({
+        // pass in options to plugin, references to file, etc.
+        
+        concat: {
+            js: {
+                src: ['js/*.js'],
+                dest: 'build/scripts.js'
+            },
+            css: {
+                src: ['css/reset.css', 'css/bootstrap.css', 'css/styles.css'],
+                dest: 'build/styles.js'
+            }
+        },
+
+        sass: {
+            options: {
+                implementation: sass,
+                sourceMap: true
+            },
+            dist: {
+                files: {
+                    'css/sass/styles.scss': 'css/styles.css'
+                }
+            }
+        },
+
+        uglify: {
+            build: {
+                files: [{
+                    src: 'build/scripts.js',
+                    dest: 'build/scripts.js'
+                }]
+            }
+        }
+    });
+
+    // Load plugins
+    grunt.loadNpmTasks('grunt-contrib-concat')
+    grunt.loadNpmTasks('grunt-sass');
+    grunt.loadNpmTasks('grunt-contrib-uglify');
+
+    // Register tasks
+    grunt.registerTask('concat-js', ['concat:js']);
+    grunt.registerTask('concat-css', ['concat:css']);
+
+}

README.md

@@ -0,0 +1,3 @@
+# README
+
+This pratice repo is built following Youtube Tutorial series [Grunt JS Tutorial](https://www.youtube.com/watch?v=KAD-l__vek4&list=PL4cUxeGkcC9j85fkVyCzCMJDfteLtrl_y)

css/sass/styles.scss

@@ -2,6 +2,8 @@ $base-color: #777;
 $second-color: #333;
 $heading-font: Arial;
 
+@import 'mixins';
+
 .element {
   width: 100px;
   height: 100px;
@@ -18,4 +20,5 @@ $heading-font: Arial;
 
 .heading{
   font-family: $heading-font;
+  @include ninjalink ('blue', 'red', 'pink', 'purple')
 }

package.json

@@ -0,0 +1,23 @@
+{
+  "name": "grunt-playlist",
+  "version": "1.0.0",
+  "description": "This pratice repo is built following Youtube Tutorial series [Grunt JS Tutorial](https://www.youtube.com/watch?v=KAD-l__vek4&list=PL4cUxeGkcC9j85fkVyCzCMJDfteLtrl_y)",
+  "main": "app.js",
+  "dependencies": {},
+  "devDependencies": {
+    "grunt": "^1.3.0",
+    "grunt-contrib-concat": "^1.0.1",
+    "grunt-contrib-uglify": "^5.0.0",
+    "grunt-sass": "^3.1.0",
+    "node-sass": "^5.0.0"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "ssh://git@lj918plus.dsmynas.com:2223/Jason/grunt-playlist.git"
+  },
+  "author": "",
+  "license": "ISC"
+}