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- import assignValue from './_assignValue';
- import castPath from './_castPath';
- import isIndex from './_isIndex';
- import isKey from './_isKey';
- import isObject from './isObject';
- import toKey from './_toKey';
- /**
- * The base implementation of `_.set`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to set.
- * @param {*} value The value to set.
- * @param {Function} [customizer] The function to customize path creation.
- * @returns {Object} Returns `object`.
- */
- function baseSet(object, path, value, customizer) {
- path = isKey(path, object) ? [path] : castPath(path);
- var index = -1,
- length = path.length,
- lastIndex = length - 1,
- nested = object;
- while (nested != null && ++index < length) {
- var key = toKey(path[index]);
- if (isObject(nested)) {
- var newValue = value;
- if (index != lastIndex) {
- var objValue = nested[key];
- newValue = customizer ? customizer(objValue, key, nested) : undefined;
- if (newValue === undefined) {
- newValue = objValue == null
- ? (isIndex(path[index + 1]) ? [] : {})
- : objValue;
- }
- }
- assignValue(nested, key, newValue);
- }
- nested = nested[key];
- }
- return object;
- }
- export default baseSet;
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