Node

Author: Gael Estrera

DesignPatterns/Notes.txt

@@ -7,6 +7,7 @@ https://www.udemy.com/course/learn-creational-design-patterns-in-java/learn/lect
 https://www.youtube.com/watch?v=NU_1StN5Tkk (What im based on rn)
 https://github.com/kamranahmedse/design-patterns-for-humans (VERY GOOD)
 
+
 Creational - Ways to create objects
 Structural - Ways these objects are related
 Behavioral - Interaction/communication between these objects
@@ -21,4 +22,13 @@ interfaces
 
 Encapsulation
 - bundling data (access modifiers), setting methods for those data (getter, setter)
-- for robust applications
+- for robust applications
+
+
+
+MSYS 42 Insights
+
+- When doing error validations, group variable validations into one group of condition (to avoid sparse code)
+    - if a variable could be null, make an if condition with corresponding child conditions
+- Keep testing
+- Use algorithms that do not cause server-side lag or delays

Node/App.js

@@ -1,5 +1,7 @@
 const names = require('./names');  //to signifiy you will be using ur own modules within ur own directory
 const f1 = require('./utils');
+const path = require('path');
+const { readFileSync, writeFileSync, write } = require('fs')
 
 array = []
 for (let i=0; i < names.names.length; i++){
@@ -8,3 +10,6 @@ for (let i=0; i < names.names.length; i++){
 console.log(array);
 
 
+const FilePath1 = path.join('/ChildFolder','Child1.js')
+const base1 = path.basename(FilePath1);
+const absolute = path.resolve(__dirname, 'ChildFolder','Child1.js')

Node/Async.js

@@ -0,0 +1,36 @@
+const names = require('./names');  //to signifiy you will be using ur own modules within ur own directory
+const f1 = require('./utils');
+const path = require('path');
+const { readFile, writeFile } = require('fs')
+
+readFile('./TextTwo/WhoAmI.txt', 'utf8', (err,result)=>{
+    if (err){
+        console.log('There is an error!');
+        return;
+    }
+    const newpath = path.join('/TextTwo','Crush.txt');
+    const first = result;
+    readFile('.' + newpath, 'utf-8',(err,result)=>{
+        if (err){
+            console.log('Error in 2nd iteration!');
+            return;
+        }
+            const second = result;
+            const childpath = path.join('/ChildFolder')
+        writeFile(
+            "." + childpath + "/" + "verdict.txt",
+            `Who is this person? : ${first} + " " + ${second}`,
+            (err, result) => {
+                if (err){
+                    console.log(err);
+                    return;
+                }
+                console.log('Processes finished!');
+            }
+        )
+    })
+
+})
+
+const seek = path.join('/TextTwo','/WhoAmI.txt');
+

Node/ChildFolder/Child1.js

@@ -0,0 +1 @@
+Who is this person? : Hi, my name is Gael! I am an aspiring developer!, I'm very proficient with software development through experience!This is just an addition! + " " + I wish a girl will like me for who I am..

Node/ChildFolder/verdict.txt

@@ -0,0 +1,24 @@
+const names = require('./names');  //to signifiy you will be using ur own modules within ur own directory
+const f1 = require('./utils');
+const path = require('path');
+const { readFileSync, writeFileSync, write } = require('fs')
+
+//Synchronous File read/write
+const intro = readFileSync('./TextOne/About.txt','utf-8');
+const skills = readFileSync('./TextOne/Skills.txt','utf-8');
+const seek = path.join('/TextTwo','WhoAmI.txt')
+
+writeFileSync(
+    './TextTwo/WhoAmI.txt',
+    `${intro}, ${skills}`
+)
+
+writeFileSync(
+    '.' + seek,
+    'This is just an addition!',
+    {flag: 'a'}
+)
+
+//console.log(readFileSync('./TextTwo/WhoAmI.txt','utf8'));
+
+

Node/Sync.js

@@ -0,0 +1 @@
+Hi, my name is Gael! I am an aspiring developer!

Node/TextOne/About.txt

@@ -0,0 +1 @@
+I'm very proficient with software development through experience!

Node/TextOne/Skills.txt

@@ -0,0 +1 @@
+I wish a girl will like me for who I am..

Node/TextTwo/Crush.txt

@@ -0,0 +1 @@
+Hi, my name is Gael! I am an aspiring developer!, I'm very proficient with software development through experience!This is just an addition!