Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-02-03 16:47:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Rename assignSymbols to copySymbols and implement by way of copyObject.

Browse Source
This commit is contained in:
John-David Dalton
2015-12-28 11:36:53 -06:00
parent 51ce9edcf3
commit 5a53215506
1 changed files with 48 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

104
lodash.js
View File

@@ -2019,60 +2019,6 @@
/*------------------------------------------------------------------------*/
/**
* This function is like `assignValue` except that it doesn't assign `undefined` values.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function assignMergeValue(object, key, value) {
if ((value !== undefined && !eq(object[key], value)) ||
(typeof key == 'number' && value === undefined && !(key in object))) {
object[key] = value;
}
}
/**
* Assigns own symbol properties of `source` to `object`.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @returns {Object} Returns `object`.
*/
function assignSymbols(object, source) {
var index = -1,
symbols = getSymbols(source),
length = symbols.length;
while (++index < length) {
var symbol = symbols[index];
assignValue(object, symbol, source[symbol]);
}
return object;
}
/**
* Assigns `value` to `key` of `object` if the existing value is not equivalent
* using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
* for equality comparisons.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function assignValue(object, key, value) {
var objValue = object[key];
if ((!eq(objValue, value) ||
(eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) ||
(value === undefined && !(key in object))) {
object[key] = value;
}
}
/**
* Removes `key` and its value from the associative array.
*
@@ -2176,6 +2122,40 @@
return objValue;
}
/**
* This function is like `assignValue` except that it doesn't assign `undefined` values.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function assignMergeValue(object, key, value) {
if ((value !== undefined && !eq(object[key], value)) ||
(typeof key == 'number' && value === undefined && !(key in object))) {
object[key] = value;
}
}
/**
* Assigns `value` to `key` of `object` if the existing value is not equivalent
* using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
* for equality comparisons.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function assignValue(object, key, value) {
var objValue = object[key];
if ((!eq(objValue, value) ||
(eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) ||
(value === undefined && !(key in object))) {
object[key] = value;
}
}
/**
* The base implementation of `_.assign` without support for multiple sources
* or `customizer` functions.
@@ -2249,7 +2229,7 @@
}
result = initCloneObject(isFunc ? {} : value);
if (!isDeep) {
return assignSymbols(baseAssign(result, value), value);
return copySymbols(value, baseAssign(result, value));
}
} else {
return cloneableTags[tag]
@@ -2269,7 +2249,7 @@
(isArr ? arrayEach : baseForOwn)(value, function(subValue, key) {
assignValue(result, key, baseClone(subValue, isDeep, customizer, key, value, stack));
});
return isArr ? result : assignSymbols(result, value);
return isArr ? result : copySymbols(value, result);
}
/**
@@ -3862,6 +3842,18 @@
return object;
}
/**
* Copies own symbol properties of `source` to `object`.
*
* @private
* @param {Object} source The object to copy symbols from.
* @param {Object} [object={}] The object to copy symbols to.
* @returns {Object} Returns `object`.
*/
function copySymbols(source, object) {
return copyObject(source, getSymbols(source), object);
}
/**
* Creates a function like `_.groupBy`.
*