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Ensure lazy takeWhile works with reverse and last`. [closes #990]

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jdalton
2015-02-23 01:24:04 -08:00
parent 76d3959f1a
commit 5613f60403
2 changed files with 15 additions and 8 deletions
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9
lodash.src.js
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@@ -11437,7 +11437,7 @@
filtered = result.__filtered__,
iteratees = result.__iteratees__ || (result.__iteratees__ = []);
result.__filtered__ = filtered || isFilter || (isWhile && result.__dir__ < 0);
result.__filtered__ = filtered || isFilter || isWhile;
iteratees.push({ 'iteratee': getCallback(iteratee, thisArg, 3), 'type': index });
return result;
};
@@ -11504,9 +11504,14 @@
};
LazyWrapper.prototype.dropWhile = function(predicate, thisArg) {
var done;
var done,
lastIndex,
isRight = this.__dir__ < 0;
predicate = getCallback(predicate, thisArg, 3);
return this.filter(function(value, index, array) {
done = done && (isRight ? index < lastIndex : index > lastIndex);
lastIndex = index;
return done || (done = !predicate(value, index, array));
});
};