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notes.js
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notes.js
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const fs = require('fs');
var fetchNotes = () => {
try {
// try to read file as it may not exist
return JSON.parse(fs.readFileSync('notes-data.json'));
} catch (e) {
return [];
}
};
var saveNotes = notes => {
fs.writeFileSync('notes-data.json', JSON.stringify(notes));
};
var addNote = (title, body) => {
var notes = fetchNotes();
var note = {
title,
body
};
var isNoteUnique = notes.every(note => note.title !== title);
if (isNoteUnique) {
notes.push(note);
saveNotes(notes);
return note;
}
};
var getAll = () => {
return fetchNotes();
};
var getNote = (title) => {
var notes = fetchNotes();
return notes.find(note => note.title === title);
};
var removeNote = (title) => {
var notes = fetchNotes();
var updatedNotes = notes.filter(note => note.title !== title);
saveNotes(updatedNotes);
// return true if note has been removed
return notes.length !== updatedNotes.length;
};
var logNote = note => {
console.log('--');
console.log('Title:', note.title);
console.log('Body:', note.body);
};
module.exports = {
addNote,
getAll,
getNote,
removeNote,
logNote
};