app.js

const yargs = require("yargs");
const notes = require("./notes.js");

// Create an add command to add a note
// User needs to enter arguments for title and body
yargs.command({
  command: "add",
  describe: "Add a new note.",
  builder: {
    title: {
      describe: "Note title",
      demandOption: true,
      type: "string",
    },
    body: {
      describe: "Note body",
      demandOption: true,
      type: "string",
    },
  },
  handler(argv) {
    notes.addNote(argv.title, argv.body);
  },
});

// Create a command that requires title specified to remove a note
yargs.command({
  command: "remove",
  describe: "Remove a note",
  builder: {
    title: {
      describe: "Note title",
      demandOption: true,
      type: "string",
    },
  },
  handler(argv) {
    notes.removeNote(argv.title);
  },
});

// Create a command to display a list of notes (showing title only)
yargs.command({
  command: "list",
  describe: "List all notes",
  handler() {
    notes.listNotes();
  },
});

// Create a command to read a note
yargs.command({
  command: "read",
  describe: "Read a note",
  builder: {
    title: {
      describe: "Note title",
      demandOption: true,
      type: "string",
    },
  },
  handler(argv) {
    notes.readNote(argv.title);
  },
});

yargs.parse();