When the function is invoked it runs three times with both if and else statements being executed. However, the other functions are working fine where there are no 'if else' statements. So, How can I solve this? This is the code:

**From todo.js**

    const tasks = require("./tasks");

    yargs.command({
      command: "Add",
      builder: {
        task: {
          demandOption: true,
        },
        deadline: {
          demandOption: true,
        },
      },
      handler(argv) {
        tasks.addTask(argv.task, argv.deadline);
      },
    }).argv;

**From tasks.js**

    //Add Tasks!!

    const addTask = (task, deadline) => {
      const tasks = loadTasks();
      const duplicateTask = tasks.find((taskk) => taskk.task === task);
      if (!duplicateTask) {
        tasks.push({
          task: task,
          deadline: deadline,
        });
        saveTasks(tasks);
        console.log(chalk.green.inverse("New task added successfully!"));
      } else {
        console.log("Task already exist!");
      }
    };

    // Load Tasks!!
    const loadTasks = () => {
      try {
        const bufferData = fs.readFileSync("tasks.json").toString();
        return JSON.parse(bufferData);
      } catch (e) {
        return [];
      }
    };

    //Save Tasks!!
    const saveTasks = (task) => {
      const saveTask = JSON.stringify(task);
      fs.writeFileSync("tasks.json", saveTask);
    };