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Ensure that _.transform checks that object is an object before using it as the accumulator [[Prototype]].

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This commit is contained in:
John-David Dalton
2014-04-28 08:39:35 -07:00
parent 68702ca43f
commit 2c4657355f
2 changed files with 8 additions and 3 deletions
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7
lodash.js
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@@ -6945,9 +6945,10 @@
if (isArr) { if (isArr) {
accumulator = []; accumulator = [];
} else { } else {
var ctor = object && object.constructor, if (isObject(object)) {
proto = ctor && ctor.prototype; var ctor = object.constructor,
proto = ctor && ctor.prototype;
}
accumulator = baseCreate(proto); accumulator = baseCreate(proto);
} }
} }

4
test/test.js
View File

@@ -9404,6 +9404,10 @@
ok(_.transform(new Foo) instanceof Foo); ok(_.transform(new Foo) instanceof Foo);
}); });
test('should check that `object` is an object before using it as the `accumulator` `[[Prototype]]', 1, function() {
ok(!(_.transform(1) instanceof Number));
});
_.each({ _.each({
'array': [1, 2, 3], 'array': [1, 2, 3],
'object': { 'a': 1, 'b': 2, 'c': 3 } 'object': { 'a': 1, 'b': 2, 'c': 3 }