diff options
Diffstat (limited to 'node_modules/lodash/_baseMerge.js')
-rw-r--r-- | node_modules/lodash/_baseMerge.js | 42 |
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; |