swc/bundler/tests/.cache/deno/c963534787c8f203c77e0d04f568635833e067c3.ts

// Loaded from https://deno.land/x/graphql_deno@v15.0.0/lib/polyfills/arrayFrom.js


import { SYMBOL_ITERATOR } from './symbols.js';

/* eslint-disable no-redeclare */
// $FlowFixMe
const arrayFrom = Array.from || function (obj, mapFn, thisArg) {
  if (obj == null) {
    throw new TypeError('Array.from requires an array-like object - not null or undefined');
  } // Is Iterable?


  const iteratorMethod = obj[SYMBOL_ITERATOR];

  if (typeof iteratorMethod === 'function') {
    const iterator = iteratorMethod.call(obj);
    const result = [];
    let step;

    for (let i = 0; !(step = iterator.next()).done; ++i) {
      result.push(mapFn.call(thisArg, step.value, i)); // Infinite Iterators could cause forEach to run forever.
      // After a very large number of iterations, produce an error.

      /* istanbul ignore if */

      if (i > 9999999) {
        throw new TypeError('Near-infinite iteration.');
      }
    }

    return result;
  } // Is Array like?


  const length = obj.length;

  if (typeof length === 'number' && length >= 0 && length % 1 === 0) {
    const result = [];

    for (let i = 0; i < length; ++i) {
      if (Object.prototype.hasOwnProperty.call(obj, i)) {
        result.push(mapFn.call(thisArg, obj[i], i));
      }
    }

    return result;
  }

  return [];
};

export default arrayFrom;