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Allow isDeep of _.clone to work with more truthy values.

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This commit is contained in:
jdalton
2015-02-18 23:35:43 -08:00
parent 0dc70ca5f3
commit 474ae1e91c
2 changed files with 14 additions and 10 deletions
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11
lodash.src.js
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@@ -5394,8 +5394,7 @@
if (!length) {
return [];
}
// Juggle arguments.
if (typeof isSorted != 'boolean' && isSorted != null) {
if (isSorted != null && typeof isSorted != 'boolean') {
thisArg = iteratee;
iteratee = isIterateeCall(array, isSorted, thisArg) ? null : isSorted;
isSorted = false;
@@ -8075,10 +8074,12 @@
* // => 0
*/
function clone(value, isDeep, customizer, thisArg) {
// Juggle arguments.
if (typeof isDeep != 'boolean' && isDeep != null) {
if (isDeep && typeof isDeep != 'boolean' && isIterateeCall(value, isDeep, customizer)) {
isDeep = false;
}
else if (typeof isDeep == 'function') {
thisArg = customizer;
customizer = isIterateeCall(value, isDeep, thisArg) ? null : isDeep;
customizer = isDeep;
isDeep = false;
}
customizer = typeof customizer == 'function' && bindCallback(customizer, thisArg, 1);

13
test/test.js
View File

@@ -1851,12 +1851,15 @@
ok(actual !== expected && actual[0] === expected[0]);
});
test('`_.clone` should work with `isDeep`', 2, function() {
var expected = [{ 'a': 0 }, { 'b': 1 }],
actual = _.clone(expected, true);
test('`_.clone` should work with `isDeep`', 8, function() {
var array = [{ 'a': 0 }, { 'b': 1 }],
values = [true, 1, {}, '1'];
deepEqual(actual, expected);
ok(actual !== expected && actual[0] !== expected[0]);
_.each(values, function(isDeep) {
var actual = _.clone(array, isDeep);
deepEqual(actual, array);
ok(actual !== array && actual[0] !== array[0]);
});
});
test('`_.cloneDeep` should deep clone objects with circular references', 1, function() {