Introduction to `cli-cursor`

The cli-cursor library is a powerful tool designed to manage the visibility of the cursor in the command-line interface (CLI) applications. Efficient cursor management is critical for creating intuitive and user-friendly CLI applications.

Key APIs and Their Usage

1. Show the Cursor

This command enables the visibility of the cursor.

  const cliCursor = require('cli-cursor');
  cliCursor.show();

2. Hide the Cursor

This command hides the cursor, which is useful in animations or loading processes where the cursor might be distracting.

  const cliCursor = require('cli-cursor');
  cliCursor.hide();

3. Toggle the Cursor

This command toggles the cursor’s visibility based on its current state.

  const cliCursor = require('cli-cursor');
  const isVisible = cliCursor.isVisible();
  if (isVisible) {
      cliCursor.hide();
  } else {
      cliCursor.show();
  }

Practical Application Example

To demonstrate the cli-cursor library in action, here is a practical app example that shows and hides the cursor based on user interaction:

  const readline = require('readline');
  const cliCursor = require('cli-cursor');

  const rl = readline.createInterface({
      input: process.stdin,
      output: process.stdout
  });

  rl.question('Press Enter to toggle cursor visibility: ', (answer) => {
      const isVisible = cliCursor.isVisible();
      if (isVisible) {
          cliCursor.hide();
      } else {
          cliCursor.show();
      }
      rl.close();
  });

The above script utilizes Node.js readline module along with cli-cursor. Upon pressing Enter, it will toggle the visibility of the cursor, making your CLI applications more interactive.

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