node.js - basic

nodejs/practice/.gitignore

@@ -0,0 +1,116 @@
+
+# Created by https://www.toptal.com/developers/gitignore/api/node
+# Edit at https://www.toptal.com/developers/gitignore?templates=node
+
+### 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
+
+# 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
+
+# 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
+
+# End of https://www.toptal.com/developers/gitignore/api/node

nodejs/practice/main.js

@@ -0,0 +1,55 @@
+// let url = new URL('http://example.com/business/mart/item?category=14&id=2965')
+
+// console.log(url.protocol)
+// console.log(url.host)
+// console.log(url.pathname)
+// console.log(url.search)
+
+
+// const http = require('http')
+
+// const users = ['Tom', 'Andy', 'Jessica', 'Paul']
+
+// const server = http.createServer((req, res) => {
+  
+//   if(req.url === '/') {
+//     res.end('<h1>Welcome!</h1>')  
+//   } else if(req.url === '/users') {
+//     res.end(`<h1>${users}</h1>`)
+//   } else if(req.url.split('/')[1] === 'users') {
+//     let userIdx = req.url.split('/')[2]
+//     let userName = users[userIdx - 1]
+//     res.end(`<h1>${userName}</h1>`)
+//   } else {
+//     res.end('<h1>Page Not Available</h1>')
+//   }
+  
+// })
+
+// server.listen(3000)
+
+const http = require('http');
+const express = require('express');
+
+const app = express();
+
+const users = ['Tom', 'Andy', 'Jessica', 'Paul'];
+  
+app.get('/', (req,res) => {
+  res.end('<h1>Welcome!</h1>')
+});
+
+app.get('/users', (req,res) => {
+  res.end(`<h1>${users}</h1>`)
+});
+
+app.get('/users/:id', (req,res) => {
+  const userName = users[req.params.id - 1]
+  res.end(`<h1>${userName}</h1>`)
+});
+
+app.get('*', (req,res) => {
+  res.end('<h1>Page Not Available</h1>')
+});
+
+app.listen(3000)

nodejs/practice/math-tools.js

@@ -0,0 +1,9 @@
+let calculator = {
+  PI : 3.14,
+  add : (a, b) => a + b,
+  subtract : (a, b) => a - b,
+  multiply : (a, b) => a * b,
+  divide : (a, b) => a / b
+}
+
+module.exports = calculator;

nodejs/practice/new

@@ -0,0 +1 @@
+Hello Node.js

nodejs/practice/package-lock.json

@@ -0,0 +1,374 @@
+{
+  "name": "codeit_node_study",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
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+}

nodejs/practice/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "codeit_node_study",
+  "version": "1.0.0",
+  "description": "Basic programming on Node.js",
+  "main": "main.js",
+  "dependencies": {
+    "express": "^4.17.1"
+  },
+  "devDependencies": {},
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "Node.js",
+    "learn",
+    "beginner"
+  ],
+  "author": "Codeit Teacher",
+  "license": "ISC"
+}

nodejs/practice/test.js

@@ -0,0 +1 @@
+console.log('Hello Node.js')