Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-02-13 04:17:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update docs, minified, build, and vendors.

Browse Source 
Former-commit-id: 8b1425b8c4a5238a42185dfa974bb3b2468eebea
This commit is contained in:
John-David Dalton
2012-09-13 00:08:52 -07:00
parent 82a7c01898
commit 49e3a49dc5
7 changed files with 354 additions and 360 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
vendor/underscore/underscore.js vendored
View File

@@ -26,6 +26,7 @@
// Create quick reference variables for speed access to core prototypes.
var push = ArrayProto.push,
slice = ArrayProto.slice,
concat = ArrayProto.concat,
unshift = ArrayProto.unshift,
toString = ObjProto.toString,
hasOwnProperty = ObjProto.hasOwnProperty;
@@ -79,7 +80,7 @@
if (obj == null) return;
if (nativeForEach && obj.forEach === nativeForEach) {
obj.forEach(iterator, context);
} else if (_.isArray(obj) || _.isArguments(obj)) {
} else if (obj.length === +obj.length) {
for (var i = 0, l = obj.length; i < l; i++) {
if (iterator.call(context, obj[i], i, obj) === breaker) return;
}
@@ -343,8 +344,7 @@
// Return the number of elements in an object.
_.size = function(obj) {
var hasLength = _.isArray(obj) || _.isArguments(obj) || _.isString(obj);
return hasLength ? obj.length : _.keys(obj).length;
return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;
};
// Array Functions
@@ -429,7 +429,7 @@
// Produce an array that contains the union: each distinct element from all of
// the passed-in arrays.
_.union = function() {
return _.uniq(flatten(arguments, true, []));
return _.uniq(concat.apply(ArrayProto, arguments));
};
// Produce an array that contains every item shared between all the
@@ -446,7 +446,7 @@
// Take the difference between one array and a number of other arrays.
// Only the elements present in just the first array will remain.
_.difference = function(array) {
var rest = flatten(slice.call(arguments, 1), true, []);
var rest = concat.apply(ArrayProto, slice.call(arguments, 1));
return _.filter(array, function(value){ return !_.include(rest, value); });
};
@@ -729,7 +729,7 @@
// Return a copy of the object only containing the whitelisted properties.
_.pick = function(obj) {
var copy = {};
var keys = _.flatten(slice.call(arguments, 1));
var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
each(keys, function(key) {
if (key in obj) copy[key] = obj[key];
});
@@ -739,7 +739,7 @@
// Return a copy of the object without the blacklisted properties.
_.omit = function(obj) {
var copy = {};
var keys = _.flatten(slice.call(arguments, 1));
var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
for (var key in obj) {
if (!_.include(keys, key)) copy[key] = obj[key];
}
@@ -780,9 +780,6 @@
// Unwrap any wrapped objects.
if (a instanceof _) a = a._wrapped;
if (b instanceof _) b = b._wrapped;
// Invoke a custom `isEqual` method if one is provided.
if (a.isEqual && _.isFunction(a.isEqual)) return a.isEqual(b);
if (b.isEqual && _.isFunction(b.isEqual)) return b.isEqual(a);
// Compare `[[Class]]` names.
var className = toString.call(a);
if (className != toString.call(b)) return false;
@@ -909,10 +906,9 @@
return _.isNumber(obj) && isFinite(obj);
};
// Is the given value `NaN`?
// Is the given value `NaN`? (NaN is the only number which does not equal itself).
_.isNaN = function(obj) {
// `NaN` is the only value for which `===` is not reflexive.
return obj !== obj;
return _.isNumber(obj) && obj != +obj;
};
// Is a given value a boolean?