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notes.js
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notes.js
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var fetchNotes=()=>
{
try{
var notesString = fs.readFileSync('notes-data.json');
return JSON.parse(notesString);
}catch(e)
{
return [];
}
}
var saveNotes=(notes)=>
{
fs.writeFileSync('notes-data.json',JSON.stringify(notes));
}
const fs=require('fs');
var addNote = (title,body)=>{
notes=fetchNotes();
note={
title,
body,
}
var duplicateNotes=notes.filter((note)=>title===note.title);
if(duplicateNotes.length===0)
{
notes.push(note);
saveNotes(notes);
return note;
}
};
var getAll=()=>{
return fetchNotes();
}
var getNote=(title)=>{
var notes=fetchNotes();
var requiredNote=notes.filter((note)=>title===note.title);
return requiredNote[0];
}
var removeNote=(title)=>{
var notes=fetchNotes();
var filteredNotes=notes.filter((note)=>title!==note.title);
saveNotes(filteredNotes);
return notes.length!==filteredNotes.length;
}
var logNote=(note)=>{
console.log("---------------");
console.log(`title: ${note.title}`);
console.log(`Body:${note.body}`);
}
module.exports={
addNote,
getAll,
getNote,
removeNote,
logNote,
}