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  • size.js

  • ¶ 
    import isArrayLike from './_isArrayLike.js';
import keys from './keys.js';
  • ¶

    Return the number of elements in a collection.

    export default function size(obj) {
  if (obj == null) return 0;
  return isArrayLike(obj) ? obj.length : keys(obj).length;
}