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Update underscore to 1.6.0 #120

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@muffinresearch

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@muffinresearch muffinresearch merged commit 13a744f into mozilla:master
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Commits on Mar 5, 2014
  1. @muffinresearch
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2  node_modules/underscore/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative
+Copyright (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative
Reporters & Editors
Permission is hereby granted, free of charge, to any person
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18 node_modules/underscore/package.json
@@ -18,12 +18,16 @@
"url": "git://github.com/jashkenas/underscore.git"
},
"main": "underscore.js",
- "version": "1.5.2",
+ "version": "1.6.0",
"devDependencies": {
- "phantomjs": "1.9.0-1"
+ "docco": "0.6.x",
+ "phantomjs": "1.9.0-1",
+ "uglify-js": "2.4.x"
},
"scripts": {
- "test": "phantomjs test/vendor/runner.js test/index.html?noglobals=true"
+ "test": "phantomjs test/vendor/runner.js test/index.html?noglobals=true",
+ "build": "uglifyjs underscore.js -c \"evaluate=false\" --comments \"/ .*/\" -m --source-map underscore-min.map -o underscore-min.js",
+ "doc": "docco underscore.js"
},
"licenses": [
{
@@ -41,6 +45,10 @@
"bugs": {
"url": "https://github.com/jashkenas/underscore/issues"
},
- "_id": "underscore@1.5.2",
- "_from": "underscore@1.5.2"
+ "_id": "underscore@1.6.0",
+ "dist": {
+ "shasum": "f1b14dd3314518ab0c05d052537cbc1942613212"
+ },
+ "_from": "underscore@1.6.0",
+ "_resolved": "https://registry.npmjs.org/underscore/-/underscore-1.6.0.tgz"
}
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6 node_modules/underscore/underscore-min.js
@@ -1,6 +1,6 @@
-// Underscore.js 1.5.2
+// Underscore.js 1.6.0
// http://underscorejs.org
-// (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+// (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Underscore may be freely distributed under the MIT license.
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//# sourceMappingURL=underscore-min.map
View
233 node_modules/underscore/underscore.js
@@ -1,6 +1,6 @@
-// Underscore.js 1.5.2
+// Underscore.js 1.6.0
// http://underscorejs.org
-// (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+// (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Underscore may be freely distributed under the MIT license.
(function() {
@@ -65,7 +65,7 @@
}
// Current version.
- _.VERSION = '1.5.2';
+ _.VERSION = '1.6.0';
// Collection Functions
// --------------------
@@ -74,7 +74,7 @@
// Handles objects with the built-in `forEach`, arrays, and raw objects.
// Delegates to **ECMAScript 5**'s native `forEach` if available.
var each = _.each = _.forEach = function(obj, iterator, context) {
- if (obj == null) return;
+ if (obj == null) return obj;
if (nativeForEach && obj.forEach === nativeForEach) {
obj.forEach(iterator, context);
} else if (obj.length === +obj.length) {
@@ -87,6 +87,7 @@
if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return;
}
}
+ return obj;
};
// Return the results of applying the iterator to each element.
@@ -152,10 +153,10 @@
};
// Return the first value which passes a truth test. Aliased as `detect`.
- _.find = _.detect = function(obj, iterator, context) {
+ _.find = _.detect = function(obj, predicate, context) {
var result;
any(obj, function(value, index, list) {
- if (iterator.call(context, value, index, list)) {
+ if (predicate.call(context, value, index, list)) {
result = value;
return true;
}
@@ -166,33 +167,33 @@
// Return all the elements that pass a truth test.
// Delegates to **ECMAScript 5**'s native `filter` if available.
// Aliased as `select`.
- _.filter = _.select = function(obj, iterator, context) {
+ _.filter = _.select = function(obj, predicate, context) {
var results = [];
if (obj == null) return results;
- if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
+ if (nativeFilter && obj.filter === nativeFilter) return obj.filter(predicate, context);
each(obj, function(value, index, list) {
- if (iterator.call(context, value, index, list)) results.push(value);
+ if (predicate.call(context, value, index, list)) results.push(value);
});
return results;
};
// Return all the elements for which a truth test fails.
- _.reject = function(obj, iterator, context) {
+ _.reject = function(obj, predicate, context) {
return _.filter(obj, function(value, index, list) {
- return !iterator.call(context, value, index, list);
+ return !predicate.call(context, value, index, list);
}, context);
};
// Determine whether all of the elements match a truth test.
// Delegates to **ECMAScript 5**'s native `every` if available.
// Aliased as `all`.
- _.every = _.all = function(obj, iterator, context) {
- iterator || (iterator = _.identity);
+ _.every = _.all = function(obj, predicate, context) {
+ predicate || (predicate = _.identity);
var result = true;
if (obj == null) return result;
- if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
+ if (nativeEvery && obj.every === nativeEvery) return obj.every(predicate, context);
each(obj, function(value, index, list) {
- if (!(result = result && iterator.call(context, value, index, list))) return breaker;
+ if (!(result = result && predicate.call(context, value, index, list))) return breaker;
});
return !!result;
};
@@ -200,13 +201,13 @@
// Determine if at least one element in the object matches a truth test.
// Delegates to **ECMAScript 5**'s native `some` if available.
// Aliased as `any`.
- var any = _.some = _.any = function(obj, iterator, context) {
- iterator || (iterator = _.identity);
+ var any = _.some = _.any = function(obj, predicate, context) {
+ predicate || (predicate = _.identity);
var result = false;
if (obj == null) return result;
- if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
+ if (nativeSome && obj.some === nativeSome) return obj.some(predicate, context);
each(obj, function(value, index, list) {
- if (result || (result = iterator.call(context, value, index, list))) return breaker;
+ if (result || (result = predicate.call(context, value, index, list))) return breaker;
});
return !!result;
};
@@ -232,25 +233,19 @@
// Convenience version of a common use case of `map`: fetching a property.
_.pluck = function(obj, key) {
- return _.map(obj, function(value){ return value[key]; });
+ return _.map(obj, _.property(key));
};
// Convenience version of a common use case of `filter`: selecting only objects
// containing specific `key:value` pairs.
- _.where = function(obj, attrs, first) {
- if (_.isEmpty(attrs)) return first ? void 0 : [];
- return _[first ? 'find' : 'filter'](obj, function(value) {
- for (var key in attrs) {
- if (attrs[key] !== value[key]) return false;
- }
- return true;
- });
+ _.where = function(obj, attrs) {
+ return _.filter(obj, _.matches(attrs));
};
// Convenience version of a common use case of `find`: getting the first object
// containing specific `key:value` pairs.
_.findWhere = function(obj, attrs) {
- return _.where(obj, attrs, true);
+ return _.find(obj, _.matches(attrs));
};
// Return the maximum element or (element-based computation).
@@ -260,13 +255,15 @@
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
return Math.max.apply(Math, obj);
}
- if (!iterator && _.isEmpty(obj)) return -Infinity;
- var result = {computed : -Infinity, value: -Infinity};
+ var result = -Infinity, lastComputed = -Infinity;
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
- computed > result.computed && (result = {value : value, computed : computed});
+ if (computed > lastComputed) {
+ result = value;
+ lastComputed = computed;
+ }
});
- return result.value;
+ return result;
};
// Return the minimum element (or element-based computation).
@@ -274,16 +271,18 @@
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
return Math.min.apply(Math, obj);
}
- if (!iterator && _.isEmpty(obj)) return Infinity;
- var result = {computed : Infinity, value: Infinity};
+ var result = Infinity, lastComputed = Infinity;
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
- computed < result.computed && (result = {value : value, computed : computed});
+ if (computed < lastComputed) {
+ result = value;
+ lastComputed = computed;
+ }
});
- return result.value;
+ return result;
};
- // Shuffle an array, using the modern version of the
+ // Shuffle an array, using the modern version of the
// [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
_.shuffle = function(obj) {
var rand;
@@ -297,11 +296,12 @@
return shuffled;
};
- // Sample **n** random values from an array.
- // If **n** is not specified, returns a single random element from the array.
+ // Sample **n** random values from a collection.
+ // If **n** is not specified, returns a single random element.
// The internal `guard` argument allows it to work with `map`.
_.sample = function(obj, n, guard) {
- if (arguments.length < 2 || guard) {
+ if (n == null || guard) {
+ if (obj.length !== +obj.length) obj = _.values(obj);
return obj[_.random(obj.length - 1)];
}
return _.shuffle(obj).slice(0, Math.max(0, n));
@@ -309,12 +309,14 @@
// An internal function to generate lookup iterators.
var lookupIterator = function(value) {
- return _.isFunction(value) ? value : function(obj){ return obj[value]; };
+ if (value == null) return _.identity;
+ if (_.isFunction(value)) return value;
+ return _.property(value);
};
// Sort the object's values by a criterion produced by an iterator.
- _.sortBy = function(obj, value, context) {
- var iterator = lookupIterator(value);
+ _.sortBy = function(obj, iterator, context) {
+ iterator = lookupIterator(iterator);
return _.pluck(_.map(obj, function(value, index, list) {
return {
value: value,
@@ -334,9 +336,9 @@
// An internal function used for aggregate "group by" operations.
var group = function(behavior) {
- return function(obj, value, context) {
+ return function(obj, iterator, context) {
var result = {};
- var iterator = value == null ? _.identity : lookupIterator(value);
+ iterator = lookupIterator(iterator);
each(obj, function(value, index) {
var key = iterator.call(context, value, index, obj);
behavior(result, key, value);
@@ -348,7 +350,7 @@
// Groups the object's values by a criterion. Pass either a string attribute
// to group by, or a function that returns the criterion.
_.groupBy = group(function(result, key, value) {
- (_.has(result, key) ? result[key] : (result[key] = [])).push(value);
+ _.has(result, key) ? result[key].push(value) : result[key] = [value];
});
// Indexes the object's values by a criterion, similar to `groupBy`, but for
@@ -367,7 +369,7 @@
// Use a comparator function to figure out the smallest index at which
// an object should be inserted so as to maintain order. Uses binary search.
_.sortedIndex = function(array, obj, iterator, context) {
- iterator = iterator == null ? _.identity : lookupIterator(iterator);
+ iterator = lookupIterator(iterator);
var value = iterator.call(context, obj);
var low = 0, high = array.length;
while (low < high) {
@@ -399,7 +401,9 @@
// allows it to work with `_.map`.
_.first = _.head = _.take = function(array, n, guard) {
if (array == null) return void 0;
- return (n == null) || guard ? array[0] : slice.call(array, 0, n);
+ if ((n == null) || guard) return array[0];
+ if (n < 0) return [];
+ return slice.call(array, 0, n);
};
// Returns everything but the last entry of the array. Especially useful on
@@ -414,11 +418,8 @@
// values in the array. The **guard** check allows it to work with `_.map`.
_.last = function(array, n, guard) {
if (array == null) return void 0;
- if ((n == null) || guard) {
- return array[array.length - 1];
- } else {
- return slice.call(array, Math.max(array.length - n, 0));
- }
+ if ((n == null) || guard) return array[array.length - 1];
+ return slice.call(array, Math.max(array.length - n, 0));
};
// Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
@@ -459,6 +460,16 @@
return _.difference(array, slice.call(arguments, 1));
};
+ // Split an array into two arrays: one whose elements all satisfy the given
+ // predicate, and one whose elements all do not satisfy the predicate.
+ _.partition = function(array, predicate) {
+ var pass = [], fail = [];
+ each(array, function(elem) {
+ (predicate(elem) ? pass : fail).push(elem);
+ });
+ return [pass, fail];
+ };
+
// Produce a duplicate-free version of the array. If the array has already
// been sorted, you have the option of using a faster algorithm.
// Aliased as `unique`.
@@ -492,7 +503,7 @@
var rest = slice.call(arguments, 1);
return _.filter(_.uniq(array), function(item) {
return _.every(rest, function(other) {
- return _.indexOf(other, item) >= 0;
+ return _.contains(other, item);
});
});
};
@@ -507,7 +518,7 @@
// Zip together multiple lists into a single array -- elements that share
// an index go together.
_.zip = function() {
- var length = _.max(_.pluck(arguments, "length").concat(0));
+ var length = _.max(_.pluck(arguments, 'length').concat(0));
var results = new Array(length);
for (var i = 0; i < length; i++) {
results[i] = _.pluck(arguments, '' + i);
@@ -613,19 +624,27 @@
};
// Partially apply a function by creating a version that has had some of its
- // arguments pre-filled, without changing its dynamic `this` context.
+ // arguments pre-filled, without changing its dynamic `this` context. _ acts
+ // as a placeholder, allowing any combination of arguments to be pre-filled.
_.partial = function(func) {
- var args = slice.call(arguments, 1);
+ var boundArgs = slice.call(arguments, 1);
return function() {
- return func.apply(this, args.concat(slice.call(arguments)));
+ var position = 0;
+ var args = boundArgs.slice();
+ for (var i = 0, length = args.length; i < length; i++) {
+ if (args[i] === _) args[i] = arguments[position++];
+ }
+ while (position < arguments.length) args.push(arguments[position++]);
+ return func.apply(this, args);
};
};
- // Bind all of an object's methods to that object. Useful for ensuring that
- // all callbacks defined on an object belong to it.
+ // Bind a number of an object's methods to that object. Remaining arguments
+ // are the method names to be bound. Useful for ensuring that all callbacks
+ // defined on an object belong to it.
_.bindAll = function(obj) {
var funcs = slice.call(arguments, 1);
- if (funcs.length === 0) throw new Error("bindAll must be passed function names");
+ if (funcs.length === 0) throw new Error('bindAll must be passed function names');
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
return obj;
};
@@ -664,12 +683,13 @@
var previous = 0;
options || (options = {});
var later = function() {
- previous = options.leading === false ? 0 : new Date;
+ previous = options.leading === false ? 0 : _.now();
timeout = null;
result = func.apply(context, args);
+ context = args = null;
};
return function() {
- var now = new Date;
+ var now = _.now();
if (!previous && options.leading === false) previous = now;
var remaining = wait - (now - previous);
context = this;
@@ -679,6 +699,7 @@
timeout = null;
previous = now;
result = func.apply(context, args);
+ context = args = null;
} else if (!timeout && options.trailing !== false) {
timeout = setTimeout(later, remaining);
}
@@ -692,24 +713,33 @@
// leading edge, instead of the trailing.
_.debounce = function(func, wait, immediate) {
var timeout, args, context, timestamp, result;
+
+ var later = function() {
+ var last = _.now() - timestamp;
+ if (last < wait) {
+ timeout = setTimeout(later, wait - last);
+ } else {
+ timeout = null;
+ if (!immediate) {
+ result = func.apply(context, args);
+ context = args = null;
+ }
+ }
+ };
+
return function() {
context = this;
args = arguments;
- timestamp = new Date();
- var later = function() {
- var last = (new Date()) - timestamp;
- if (last < wait) {
- timeout = setTimeout(later, wait - last);
- } else {
- timeout = null;
- if (!immediate) result = func.apply(context, args);
- }
- };
+ timestamp = _.now();
var callNow = immediate && !timeout;
if (!timeout) {
timeout = setTimeout(later, wait);
}
- if (callNow) result = func.apply(context, args);
+ if (callNow) {
+ result = func.apply(context, args);
+ context = args = null;
+ }
+
return result;
};
};
@@ -731,11 +761,7 @@
// allowing you to adjust arguments, run code before and after, and
// conditionally execute the original function.
_.wrap = function(func, wrapper) {
- return function() {
- var args = [func];
- push.apply(args, arguments);
- return wrapper.apply(this, args);
- };
+ return _.partial(wrapper, func);
};
// Returns a function that is the composition of a list of functions, each
@@ -765,8 +791,9 @@
// Retrieve the names of an object's properties.
// Delegates to **ECMAScript 5**'s native `Object.keys`
- _.keys = nativeKeys || function(obj) {
- if (obj !== Object(obj)) throw new TypeError('Invalid object');
+ _.keys = function(obj) {
+ if (!_.isObject(obj)) return [];
+ if (nativeKeys) return nativeKeys(obj);
var keys = [];
for (var key in obj) if (_.has(obj, key)) keys.push(key);
return keys;
@@ -921,7 +948,8 @@
// from different frames are.
var aCtor = a.constructor, bCtor = b.constructor;
if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
- _.isFunction(bCtor) && (bCtor instanceof bCtor))) {
+ _.isFunction(bCtor) && (bCtor instanceof bCtor))
+ && ('constructor' in a && 'constructor' in b)) {
return false;
}
// Add the first object to the stack of traversed objects.
@@ -1061,6 +1089,30 @@
return value;
};
+ _.constant = function(value) {
+ return function () {
+ return value;
+ };
+ };
+
+ _.property = function(key) {
+ return function(obj) {
+ return obj[key];
+ };
+ };
+
+ // Returns a predicate for checking whether an object has a given set of `key:value` pairs.
+ _.matches = function(attrs) {
+ return function(obj) {
+ if (obj === attrs) return true; //avoid comparing an object to itself.
+ for (var key in attrs) {
+ if (attrs[key] !== obj[key])
+ return false;
+ }
+ return true;
+ }
+ };
+
// Run a function **n** times.
_.times = function(n, iterator, context) {
var accum = Array(Math.max(0, n));
@@ -1077,6 +1129,9 @@
return min + Math.floor(Math.random() * (max - min + 1));
};
+ // A (possibly faster) way to get the current timestamp as an integer.
+ _.now = Date.now || function() { return new Date().getTime(); };
+
// List of HTML entities for escaping.
var entityMap = {
escape: {
@@ -1273,4 +1328,16 @@
});
+ // AMD registration happens at the end for compatibility with AMD loaders
+ // that may not enforce next-turn semantics on modules. Even though general
+ // practice for AMD registration is to be anonymous, underscore registers
+ // as a named module because, like jQuery, it is a base library that is
+ // popular enough to be bundled in a third party lib, but not be part of
+ // an AMD load request. Those cases could generate an error when an
+ // anonymous define() is called outside of a loader request.
+ if (typeof define === 'function' && define.amd) {
+ define('underscore', [], function() {
+ return _;
+ });
+ }
}).call(this);
View
2  package.json
@@ -19,7 +19,7 @@
"posix-getopt": "1.0.0",
"q": "1.0.0",
"save": "0.0.20",
- "underscore": "1.5.2",
+ "underscore": "1.6.0",
"request": "~2.33.0",
"then-redis": "~0.3.9",
"when": "~2.8.0"
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