aaac7fed
 liuqimichale
add
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var baseMerge = require('./_baseMerge'),
isObject = require('./isObject');
/**
* Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
* objects into destination objects that are passed thru.
*
* @private
* @param {*} objValue The destination value.
* @param {*} srcValue The source value.
* @param {string} key The key of the property to merge.
* @param {Object} object The parent object of `objValue`.
* @param {Object} source The parent object of `srcValue`.
* @param {Object} [stack] Tracks traversed source values and their merged
* counterparts.
* @returns {*} Returns the value to assign.
*/
function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
if (isObject(objValue) && isObject(srcValue)) {
// Recursively merge objects and arrays (susceptible to call stack limits).
stack.set(srcValue, objValue);
baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
stack['delete'](srcValue);
}
return objValue;
}
module.exports = customDefaultsMerge;
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