aboutsummaryrefslogtreecommitdiff
path: root/node_modules/lodash/_baseMerge.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/lodash/_baseMerge.js')
-rw-r--r--node_modules/lodash/_baseMerge.js42
1 files changed, 42 insertions, 0 deletions
diff --git a/node_modules/lodash/_baseMerge.js b/node_modules/lodash/_baseMerge.js
new file mode 100644
index 0000000..c98b5eb
--- /dev/null
+++ b/node_modules/lodash/_baseMerge.js
@@ -0,0 +1,42 @@
+var Stack = require('./_Stack'),
+ assignMergeValue = require('./_assignMergeValue'),
+ baseFor = require('./_baseFor'),
+ baseMergeDeep = require('./_baseMergeDeep'),
+ isObject = require('./isObject'),
+ keysIn = require('./keysIn'),
+ safeGet = require('./_safeGet');
+
+/**
+ * The base implementation of `_.merge` without support for multiple sources.
+ *
+ * @private
+ * @param {Object} object The destination object.
+ * @param {Object} source The source object.
+ * @param {number} srcIndex The index of `source`.
+ * @param {Function} [customizer] The function to customize merged values.
+ * @param {Object} [stack] Tracks traversed source values and their merged
+ * counterparts.
+ */
+function baseMerge(object, source, srcIndex, customizer, stack) {
+ if (object === source) {
+ return;
+ }
+ baseFor(source, function(srcValue, key) {
+ stack || (stack = new Stack);
+ if (isObject(srcValue)) {
+ baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
+ }
+ else {
+ var newValue = customizer
+ ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
+ : undefined;
+
+ if (newValue === undefined) {
+ newValue = srcValue;
+ }
+ assignMergeValue(object, key, newValue);
+ }
+ }, keysIn);
+}
+
+module.exports = baseMerge;