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16 lines
505 B
JavaScript

var merge = require('../object/merge');
/**
* Used by `_.defaultsDeep` to customize its `_.merge` use.
*
* @private
* @param {*} objectValue The destination object property value.
* @param {*} sourceValue The source object property value.
* @returns {*} Returns the value to assign to the destination object.
*/
function mergeDefaults(objectValue, sourceValue) {
return objectValue === undefined ? sourceValue : merge(objectValue, sourceValue, mergeDefaults);
}
module.exports = mergeDefaults;