Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-02-04 00:57:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

Bump to v3.7.0.

Browse Source
This commit is contained in:
jdalton
2015-04-15 20:56:31 -07:00
parent 801ffd8adf
commit 5eb8db31d7
121 changed files with 897 additions and 413 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
internal/baseMerge.js
View File

@@ -1,11 +1,18 @@
import arrayEach from './arrayEach';
import baseForOwn from './baseForOwn';
import baseMergeDeep from './baseMergeDeep';
import getSymbols from './getSymbols';
import isArray from '../lang/isArray';
import isLength from './isLength';
import isObject from '../lang/isObject';
import isObjectLike from './isObjectLike';
import isTypedArray from '../lang/isTypedArray';
import keys from '../object/keys';
/** Used for native method references. */
var arrayProto = Array.prototype;
/** Native method references. */
var push = arrayProto.push;
/**
* The base implementation of `_.merge` without support for argument juggling,
@@ -17,29 +24,39 @@ import isTypedArray from '../lang/isTypedArray';
* @param {Function} [customizer] The function to customize merging properties.
* @param {Array} [stackA=[]] Tracks traversed source objects.
* @param {Array} [stackB=[]] Associates values with source counterparts.
* @returns {Object} Returns the destination object.
* @returns {Object} Returns `object`.
*/
function baseMerge(object, source, customizer, stackA, stackB) {
if (!isObject(object)) {
return object;
}
var isSrcArr = isLength(source.length) && (isArray(source) || isTypedArray(source));
(isSrcArr ? arrayEach : baseForOwn)(source, function(srcValue, key, source) {
if (!isSrcArr) {
var props = keys(source);
push.apply(props, getSymbols(source));
}
arrayEach(props || source, function(srcValue, key) {
if (props) {
key = srcValue;
srcValue = source[key];
}
if (isObjectLike(srcValue)) {
stackA || (stackA = []);
stackB || (stackB = []);
return baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB);
baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB);
}
var value = object[key],
result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
isCommon = typeof result == 'undefined';
else {
var value = object[key],
result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
isCommon = result === undefined;
if (isCommon) {
result = srcValue;
}
if ((isSrcArr || typeof result != 'undefined') &&
(isCommon || (result === result ? (result !== value) : (value === value)))) {
object[key] = result;
if (isCommon) {
result = srcValue;
}
if ((isSrcArr || result !== undefined) &&
(isCommon || (result === result ? (result !== value) : (value === value)))) {
object[key] = result;
}
}
});
return object;