From 31c65fc0124d27497563d06a14d272932fe980e3 Mon Sep 17 00:00:00 2001
From: David Henrique Souza da Silva <contatodavidhenrique@gmail.com>
Date: Wed, 10 Aug 2022 05:59:01 -0300
Subject: [PATCH] exercicios

---
 modulo4/node-package-json/.gitignore.txt          |  1 +
 modulo4/node-package-json/exercicio1/index.js     |  8 ++++++++
 modulo4/node-package-json/exercicio1/package.json | 14 ++++++++++++++
 modulo4/node-package-json/exercicio2/index.js     | 13 +++++++++++++
 modulo4/node-package-json/exercicio2/package.json | 15 +++++++++++++++
 modulo4/node-package-json/exercicio3/index.js     |  5 +++++
 modulo4/node-package-json/exercicio3/package.json | 15 +++++++++++++++
 7 files changed, 71 insertions(+)
 create mode 100644 modulo4/node-package-json/.gitignore.txt
 create mode 100644 modulo4/node-package-json/exercicio1/index.js
 create mode 100644 modulo4/node-package-json/exercicio1/package.json
 create mode 100644 modulo4/node-package-json/exercicio2/index.js
 create mode 100644 modulo4/node-package-json/exercicio2/package.json
 create mode 100644 modulo4/node-package-json/exercicio3/index.js
 create mode 100644 modulo4/node-package-json/exercicio3/package.json

diff --git a/modulo4/node-package-json/.gitignore.txt b/modulo4/node-package-json/.gitignore.txt
new file mode 100644
index 0000000..600e365
--- /dev/null
+++ b/modulo4/node-package-json/.gitignore.txt
@@ -0,0 +1 @@
+**/node_modules
\ No newline at end of file
diff --git a/modulo4/node-package-json/exercicio1/index.js b/modulo4/node-package-json/exercicio1/index.js
new file mode 100644
index 0000000..6d2db98
--- /dev/null
+++ b/modulo4/node-package-json/exercicio1/index.js
@@ -0,0 +1,8 @@
+/* 
+a) Responda como comentário no seu código: como fazemos para acessar os parâmetros passados na linha de comando para o Node?
+
+R: Utilizamos o process.argv[2 ou mais]
+*/
+
+console.log(`Olá ${process.argv[2]}! você têm ${process.argv[3]} anos.`)
+console.log(`Você terá ${+(process.argv[3]) + 7} daqui a 7 anos.`)
\ No newline at end of file
diff --git a/modulo4/node-package-json/exercicio1/package.json b/modulo4/node-package-json/exercicio1/package.json
new file mode 100644
index 0000000..880deaf
--- /dev/null
+++ b/modulo4/node-package-json/exercicio1/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "exercicio1",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node index.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC"
+}
diff --git a/modulo4/node-package-json/exercicio2/index.js b/modulo4/node-package-json/exercicio2/index.js
new file mode 100644
index 0000000..a374106
--- /dev/null
+++ b/modulo4/node-package-json/exercicio2/index.js
@@ -0,0 +1,13 @@
+const mathFunc = (op, num1, num2)=>{
+    if(op == "add"){
+        return num1 + num2
+    } else if(op == "sub"){
+        return num1 - num2
+    } else if(op == "mult"){
+        return num1 * num2
+    } else if(op == "div"){
+        return num1 / num2
+    }
+}
+
+console.log(mathFunc(process.argv[2],+(process.argv[3]),+(process.argv[4])))
\ No newline at end of file
diff --git a/modulo4/node-package-json/exercicio2/package.json b/modulo4/node-package-json/exercicio2/package.json
new file mode 100644
index 0000000..e4fc84f
--- /dev/null
+++ b/modulo4/node-package-json/exercicio2/package.json
@@ -0,0 +1,15 @@
+{
+    "name": "exercicio2",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "type": "module",
+    "scripts": {
+      "test": "echo \"Error: no test specified\" && exit 1",
+      "start": "node index.js"
+    },
+    "keywords": [],
+    "author": "",
+    "license": "ISC"
+  }
+  
\ No newline at end of file
diff --git a/modulo4/node-package-json/exercicio3/index.js b/modulo4/node-package-json/exercicio3/index.js
new file mode 100644
index 0000000..7db5b91
--- /dev/null
+++ b/modulo4/node-package-json/exercicio3/index.js
@@ -0,0 +1,5 @@
+const toDo = ['estudar', 'trabalhar']
+toDo.push(process.argv[2])
+const toDoList = toDo.map(i => ` ${i}`)
+
+console.log(`Tarefa adicionada com sucesso! Lista de tarefas:${toDoList.join(" |")}.`)
\ No newline at end of file
diff --git a/modulo4/node-package-json/exercicio3/package.json b/modulo4/node-package-json/exercicio3/package.json
new file mode 100644
index 0000000..569b0ac
--- /dev/null
+++ b/modulo4/node-package-json/exercicio3/package.json
@@ -0,0 +1,15 @@
+{
+    "name": "exercicio3",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "type": "module",
+    "scripts": {
+      "test": "echo \"Error: no test specified\" && exit 1",
+      "start": "node index.js"
+    },
+    "keywords": [],
+    "author": "",
+    "license": "ISC"
+  }
+  
\ No newline at end of file