next-csrf/example/node_modules/ally.js/esm/util/node-array.js

CSRF mitigation library for Next.js

// input may be undefined, selector-tring, Node, NodeList, HTMLCollection, array of Nodes
// yes, to some extent this is a bad replica of jQuery's constructor function
export default function (input) {
  if (!input) {
    return [];
  }

  if (Array.isArray(input)) {
    return input;
  }

  // instanceof Node - does not work with iframes
  if (input.nodeType !== undefined) {
    return [input];
  }

  if (typeof input === 'string') {
    input = document.querySelectorAll(input);
  }

  if (input.length !== undefined) {
    return [].slice.call(input, 0);
  }

  throw new TypeError('unexpected input ' + String(input));
}
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