ScriptPad

input

function newFunction(input) {

return input
  .split('\n') // Separate each line.
  .filter(line => line.length > 0) // Remove empty lines.
  .map(line => line.replaceAll(`"`, `\\"`)) // Escape all quotes.
  .map(line => `"${line}"`) // Wrap each line in quotes.
  .join(', '); // Join them back together with commas.

return input
  .split('\n') // Separate each line.
  .filter(line => line.length > 0) // Remove empty lines.
  .map(line => line.replaceAll(`"`, `\\"`)) // Escape all quotes.
  .map(line => `"${line}"`) // Wrap each line in quotes.
  .join(', '); // Join them back together with commas.

output