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Ensure _.merge skips undefined values if a destination value exists.

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jdalton
2015-05-18 07:29:35 -07:00
parent 0eba3a3678
commit 882d84f1e6
2 changed files with 18 additions and 1 deletions
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2
lodash.src.js
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@@ -2534,7 +2534,7 @@
if (isCommon) {
result = srcValue;
}
if ((isSrcArr || result !== undefined) &&
if ((result !== undefined || (isSrcArr && !(key in object))) &&
(isCommon || (result === result ? (result !== value) : (value === value)))) {
object[key] = result;
}