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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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