JSFiddle - React, Tailwind, and code Playground

by bladnman

TypeScript

function parse(
  unsafeDisplayTitleIds: string | null | void
): string[] | null {
  // bail
  if (!unsafeDisplayTitleIds) return null;

  const idList = (unsafeDisplayTitleIds + ',').split(',').filter(x => !!x);

  // bail
  if (idList.length < 1) return null;

  return idList;
}

function try(input) {
	console.log(parse(input));
}

try("123")