var baseAssignValue = require('./_baseAssignValue'),

eq = require('./eq');

/**

* This function is like `assignValue` except that it doesn't assign
* `undefined` values.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/

function assignMergeValue(object, key, value) {

if ((value !== undefined && !eq(object[key], value)) ||
    (value === undefined && !(key in object))) {
  baseAssignValue(object, key, value);
}

}

module.exports = assignMergeValue;