Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-02-05 17:37:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Bump to v4.0.0.

Browse Source
This commit is contained in:
John-David Dalton
2015-12-16 17:53:20 -08:00
parent 94d714007e
commit 8c26e6fd4c
656 changed files with 16423 additions and 11602 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
internal/baseMergeDeep.js
View File

@@ -1,4 +1,4 @@
define(['./arrayCopy', '../lang/isArguments', '../lang/isArray', './isArrayLike', '../lang/isPlainObject', '../lang/isTypedArray', '../lang/toPlainObject'], function(arrayCopy, isArguments, isArray, isArrayLike, isPlainObject, isTypedArray, toPlainObject) {
define(['./assignMergeValue', './baseClone', './copyArray', '../isArguments', '../isArray', '../isArrayLikeObject', '../isFunction', '../isObject', '../isPlainObject', '../isTypedArray', '../toPlainObject'], function(assignMergeValue, baseClone, copyArray, isArguments, isArray, isArrayLikeObject, isFunction, isObject, isPlainObject, isTypedArray, toPlainObject) {
/** Used as a safe reference for `undefined` in pre-ES5 environments. */
var undefined;
@@ -13,52 +13,44 @@ define(['./arrayCopy', '../lang/isArguments', '../lang/isArray', './isArrayLike'
* @param {Object} source The source object.
* @param {string} key The key of the value to merge.
* @param {Function} mergeFunc The function to merge values.
* @param {Function} [customizer] The function to customize merged values.
* @param {Array} [stackA=[]] Tracks traversed source objects.
* @param {Array} [stackB=[]] Associates values with source counterparts.
* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
* @param {Function} [customizer] The function to customize assigned values.
* @param {Object} [stack] Tracks traversed source values and their merged counterparts.
*/
function baseMergeDeep(object, source, key, mergeFunc, customizer, stackA, stackB) {
var length = stackA.length,
srcValue = source[key];
function baseMergeDeep(object, source, key, mergeFunc, customizer, stack) {
var objValue = object[key],
srcValue = source[key],
stacked = stack.get(srcValue) || stack.get(objValue);
while (length--) {
if (stackA[length] == srcValue) {
object[key] = stackB[length];
return;
}
if (stacked) {
assignMergeValue(object, key, stacked);
return;
}
var value = object[key],
result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
isCommon = result === undefined;
var newValue = customizer ? customizer(objValue, srcValue, (key + ''), object, source, stack) : undefined,
isCommon = newValue === undefined;
if (isCommon) {
result = srcValue;
if (isArrayLike(srcValue) && (isArray(srcValue) || isTypedArray(srcValue))) {
result = isArray(value)
? value
: (isArrayLike(value) ? arrayCopy(value) : []);
newValue = srcValue;
if (isArray(srcValue) || isTypedArray(srcValue)) {
newValue = isArray(objValue)
? objValue
: ((isArrayLikeObject(objValue)) ? copyArray(objValue) : baseClone(srcValue));
}
else if (isPlainObject(srcValue) || isArguments(srcValue)) {
result = isArguments(value)
? toPlainObject(value)
: (isPlainObject(value) ? value : {});
newValue = isArguments(objValue)
? toPlainObject(objValue)
: (isObject(objValue) ? objValue : baseClone(srcValue));
}
else {
isCommon = false;
isCommon = isFunction(srcValue);
}
}
// Add the source value to the stack of traversed objects and associate
// it with its merged value.
stackA.push(srcValue);
stackB.push(result);
stack.set(srcValue, newValue);
if (isCommon) {
// Recursively merge objects and arrays (susceptible to call stack limits).
object[key] = mergeFunc(result, srcValue, customizer, stackA, stackB);
} else if (result === result ? (result !== value) : (value === value)) {
object[key] = result;
mergeFunc(newValue, srcValue, customizer, stack);
}
assignMergeValue(object, key, newValue);
}
return baseMergeDeep;