/* wp:polyfill */
/**
 * Sets the value at path of object.
 * If a portion of path doesn’t exist, it’s created.
 * Arrays are created for missing index properties while objects are created
 * for all other missing properties.
 *
 * This function intentionally mutates the input object.
 *
 * Inspired by _.set().
 *
 * @see https://lodash.com/docs/4.17.15#set
 *
 * @todo Needs to be deduplicated with its copy in `@wordpress/core-data`.
 *
 * @param {Object} object Object to modify
 * @param {Array}  path   Path of the property to set.
 * @param {*}      value  Value to set.
 */
export default function setNestedValue(object, path, value) {
  if (!object || typeof object !== 'object') {
    return object;
  }
  path.reduce((acc, key, idx) => {
    if (acc[key] === undefined) {
      if (Number.isInteger(path[idx + 1])) {
        acc[key] = [];
      } else {
        acc[key] = {};
      }
    }
    if (idx === path.length - 1) {
      acc[key] = value;
    }
    return acc[key];
  }, object);
  return object;
}
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