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Update vendors and add _.reduce, _.reduceRight, and _.where benchmarks.

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Former-commit-id: c1b4bc7f8aaf08c429ae918f5d528401f1a66255
This commit is contained in:
John-David Dalton
2012-09-19 21:40:39 -07:00
parent 25de44a23d
commit b91b04f652
5 changed files with 160 additions and 35 deletions
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80
perf/perf.js
View File

@@ -1152,6 +1152,74 @@
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.reduce` iterating an array')
.add('Lo-Dash', '\
lodash.reduce(numbers, function(result, value, index) {\
result[index] = value;\
return result;\
}, {});'
)
.add('Underscore', '\
_.reduce(numbers, function(result, value, index) {\
result[index] = value;\
return result;\
}, {});'
)
);
suites.push(
Benchmark.Suite('`_.reduce` iterating an object')
.add('Lo-Dash', '\
lodash.reduce(object, function(result, value, key) {\
result.push([key, value]);\
return result;\
}, []);'
)
.add('Underscore', '\
_.reduce(object, function(result, value, key) {\
result.push([key, value]);\
return result;\
}, []);'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.reduceRight` iterating an array')
.add('Lo-Dash', '\
lodash.reduceRight(numbers, function(result, value, index) {\
result[index] = value;\
return result;\
}, {});'
)
.add('Underscore', '\
_.reduceRight(numbers, function(result, value, index) {\
result[index] = value;\
return result;\
}, {});'
)
);
suites.push(
Benchmark.Suite('`_.reduceRight` iterating an object')
.add('Lo-Dash', '\
lodash.reduceRight(object, function(result, value, key) {\
result.push([key, value]);\
return result;\
}, []);'
)
.add('Underscore', '\
_.reduceRight(object, function(result, value, key) {\
result.push([key, value]);\
return result;\
}, []);'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.shuffle`')
.add('Lo-Dash', '\
@@ -1412,6 +1480,18 @@
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.where`')
.add('Lo-Dash', '\
lodash.where(objects, { "num": 9 });'
)
.add('Underscore', '\
_.where(objects, { "num": 9 });'
)
);
/*--------------------------------------------------------------------------*/
suites.push(
Benchmark.Suite('`_.without`')
.add('Lo-Dash', '\

33
vendor/underscore/test/collections.js vendored
View File

@@ -111,6 +111,39 @@ $(document).ready(function() {
equal(_.reduceRight([], function(){}, undefined), undefined, 'undefined can be passed as a special case');
raises(function() { _.reduceRight([], function(){}); }, TypeError, 'throws an error for empty arrays with no initial value');
// Assert that the correct arguments are being passed.
var args,
memo = {},
object = {a: 1, b: 2},
lastKey = _.keys(object).pop();
var expected = lastKey == 'a'
? [memo, 1, 'a', object]
: [memo, 2, 'b', object];
_.reduceRight(object, function() {
args || (args = _.toArray(arguments));
}, memo);
deepEqual(args, expected);
// And again, with numeric keys.
object = {'2': 'a', '1': 'b'};
lastKey = _.keys(object).pop();
args = null;
expected = lastKey == '2'
? [memo, 'a', '2', object]
: [memo, 'b', '1', object];
_.reduceRight(object, function() {
args || (args = _.toArray(arguments));
}, memo);
deepEqual(args, expected);
});
test('find', function() {

4
vendor/underscore/test/objects.js vendored
View File

@@ -342,6 +342,9 @@ $(document).ready(function() {
ok(_.isEqual(isEqualObjClone, isEqualObj), 'Commutative equality is implemented for objects with custom `isEqual` methods');
ok(!_.isEqual(isEqualObj, {}), 'Objects that do not implement equivalent `isEqual` methods are not equal');
ok(!_.isEqual({}, isEqualObj), 'Commutative equality is implemented for objects with different `isEqual` methods');
// Objects from another frame.
ok(_.isEqual({}, iObject));
});
test("isEmpty", function() {
@@ -378,6 +381,7 @@ $(document).ready(function() {
parent.iNull = null;\
parent.iBoolean = new Boolean(false);\
parent.iUndefined = undefined;\
parent.iObject = {};\
</script>"
);
iDoc.close();

52
vendor/underscore/underscore-min.js vendored
View File

@@ -5,29 +5,29 @@
// Oliver Steele's Functional, and John Resig's Micro-Templating.
// For all details and documentation:
// http://documentcloud.github.com/underscore
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26
vendor/underscore/underscore.js vendored
View File

@@ -107,14 +107,18 @@
// **Reduce** builds up a single result from a list of values, aka `inject`,
// or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
_.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
_.reduce = _.foldl = _.inject = function(obj, iterator, memo, context, right) {
var initial = arguments.length > 2;
if (obj == null) obj = [];
if (nativeReduce && obj.reduce === nativeReduce) {
if (!right && nativeReduce && obj.reduce === nativeReduce) {
if (context) iterator = _.bind(iterator, context);
return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
}
each(obj, function(value, index, list) {
if (right) {
index = right.keys[index];
list = right.list;
}
if (!initial) {
memo = value;
initial = true;
@@ -129,15 +133,14 @@
// The right-associative version of reduce, also known as `foldr`.
// Delegates to **ECMAScript 5**'s native `reduceRight` if available.
_.reduceRight = _.foldr = function(obj, iterator, memo, context) {
var initial = arguments.length > 2;
if (obj == null) obj = [];
if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
if (context) iterator = _.bind(iterator, context);
return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
return arguments.length > 2 ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
}
var reversed = _.toArray(obj).reverse();
if (context && !initial) iterator = _.bind(iterator, context);
return initial ? _.reduce(reversed, iterator, memo, context) : _.reduce(reversed, iterator);
var keys = _.keys(obj).reverse();
var values = _.toArray(obj).reverse();
return _.reduce(values, iterator, memo, context, {keys: keys, list: obj});
};
// Return the first value which passes a truth test. Aliased as `detect`.
@@ -848,8 +851,13 @@
}
}
} else {
// Objects with different constructors are not equivalent.
if ('constructor' in a != 'constructor' in b || a.constructor != b.constructor) return false;
// Objects with different constructors are not equivalent, but `Object`s
// from different frames are.
var aCtor = a.constructor, bCtor = b.constructor;
if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
_.isFunction(bCtor) && (bCtor instanceof bCtor))) {
return false;
}
// Deep compare objects.
for (var key in a) {
if (_.has(a, key)) {