update jshint

This commit is contained in:
nightwing 2014-05-21 18:15:59 +04:00
commit 4e2d7a41f5
2 changed files with 365 additions and 179 deletions

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@ -27,9 +27,9 @@ module.exports = {
}, },
{}], {}],
2:[function(_dereq_,module,exports){ 2:[function(_dereq_,module,exports){
// Underscore.js 1.4.4 // Underscore.js 1.6.0
// http://underscorejs.org // http://underscorejs.org
// (c) 2009-2013 Jeremy Ashkenas, DocumentCloud Inc. // (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Underscore may be freely distributed under the MIT license. // Underscore may be freely distributed under the MIT license.
(function() { (function() {
@ -37,7 +37,7 @@ module.exports = {
// Baseline setup // Baseline setup
// -------------- // --------------
// Establish the root object, `window` in the browser, or `global` on the server. // Establish the root object, `window` in the browser, or `exports` on the server.
var root = this; var root = this;
// Save the previous value of the `_` variable. // Save the previous value of the `_` variable.
@ -50,7 +50,8 @@ module.exports = {
var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype; var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
// Create quick reference variables for speed access to core prototypes. // Create quick reference variables for speed access to core prototypes.
var push = ArrayProto.push, var
push = ArrayProto.push,
slice = ArrayProto.slice, slice = ArrayProto.slice,
concat = ArrayProto.concat, concat = ArrayProto.concat,
toString = ObjProto.toString, toString = ObjProto.toString,
@ -93,7 +94,7 @@ module.exports = {
} }
// Current version. // Current version.
_.VERSION = '1.4.4'; _.VERSION = '1.6.0';
// Collection Functions // Collection Functions
// -------------------- // --------------------
@ -102,20 +103,20 @@ module.exports = {
// Handles objects with the built-in `forEach`, arrays, and raw objects. // Handles objects with the built-in `forEach`, arrays, and raw objects.
// Delegates to **ECMAScript 5**'s native `forEach` if available. // Delegates to **ECMAScript 5**'s native `forEach` if available.
var each = _.each = _.forEach = function(obj, iterator, context) { var each = _.each = _.forEach = function(obj, iterator, context) {
if (obj == null) return; if (obj == null) return obj;
if (nativeForEach && obj.forEach === nativeForEach) { if (nativeForEach && obj.forEach === nativeForEach) {
obj.forEach(iterator, context); obj.forEach(iterator, context);
} else if (obj.length === +obj.length) { } else if (obj.length === +obj.length) {
for (var i = 0, l = obj.length; i < l; i++) { for (var i = 0, length = obj.length; i < length; i++) {
if (iterator.call(context, obj[i], i, obj) === breaker) return; if (iterator.call(context, obj[i], i, obj) === breaker) return;
} }
} else { } else {
for (var key in obj) { var keys = _.keys(obj);
if (_.has(obj, key)) { for (var i = 0, length = keys.length; i < length; i++) {
if (iterator.call(context, obj[key], key, obj) === breaker) return; if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return;
}
} }
} }
return obj;
}; };
// Return the results of applying the iterator to each element. // Return the results of applying the iterator to each element.
@ -125,7 +126,7 @@ module.exports = {
if (obj == null) return results; if (obj == null) return results;
if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context); if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
each(obj, function(value, index, list) { each(obj, function(value, index, list) {
results[results.length] = iterator.call(context, value, index, list); results.push(iterator.call(context, value, index, list));
}); });
return results; return results;
}; };
@ -181,10 +182,10 @@ module.exports = {
}; };
// Return the first value which passes a truth test. Aliased as `detect`. // 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; var result;
any(obj, function(value, index, list) { any(obj, function(value, index, list) {
if (iterator.call(context, value, index, list)) { if (predicate.call(context, value, index, list)) {
result = value; result = value;
return true; return true;
} }
@ -195,33 +196,33 @@ module.exports = {
// Return all the elements that pass a truth test. // Return all the elements that pass a truth test.
// Delegates to **ECMAScript 5**'s native `filter` if available. // Delegates to **ECMAScript 5**'s native `filter` if available.
// Aliased as `select`. // Aliased as `select`.
_.filter = _.select = function(obj, iterator, context) { _.filter = _.select = function(obj, predicate, context) {
var results = []; var results = [];
if (obj == null) return 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) { each(obj, function(value, index, list) {
if (iterator.call(context, value, index, list)) results[results.length] = value; if (predicate.call(context, value, index, list)) results.push(value);
}); });
return results; return results;
}; };
// Return all the elements for which a truth test fails. // 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 _.filter(obj, function(value, index, list) {
return !iterator.call(context, value, index, list); return !predicate.call(context, value, index, list);
}, context); }, context);
}; };
// Determine whether all of the elements match a truth test. // Determine whether all of the elements match a truth test.
// Delegates to **ECMAScript 5**'s native `every` if available. // Delegates to **ECMAScript 5**'s native `every` if available.
// Aliased as `all`. // Aliased as `all`.
_.every = _.all = function(obj, iterator, context) { _.every = _.all = function(obj, predicate, context) {
iterator || (iterator = _.identity); predicate || (predicate = _.identity);
var result = true; var result = true;
if (obj == null) return result; 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) { 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; return !!result;
}; };
@ -229,13 +230,13 @@ module.exports = {
// Determine if at least one element in the object matches a truth test. // Determine if at least one element in the object matches a truth test.
// Delegates to **ECMAScript 5**'s native `some` if available. // Delegates to **ECMAScript 5**'s native `some` if available.
// Aliased as `any`. // Aliased as `any`.
var any = _.some = _.any = function(obj, iterator, context) { var any = _.some = _.any = function(obj, predicate, context) {
iterator || (iterator = _.identity); predicate || (predicate = _.identity);
var result = false; var result = false;
if (obj == null) return result; 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) { 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; return !!result;
}; };
@ -261,41 +262,37 @@ module.exports = {
// Convenience version of a common use case of `map`: fetching a property. // Convenience version of a common use case of `map`: fetching a property.
_.pluck = function(obj, key) { _.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 // Convenience version of a common use case of `filter`: selecting only objects
// containing specific `key:value` pairs. // containing specific `key:value` pairs.
_.where = function(obj, attrs, first) { _.where = function(obj, attrs) {
if (_.isEmpty(attrs)) return first ? null : []; return _.filter(obj, _.matches(attrs));
return _[first ? 'find' : 'filter'](obj, function(value) {
for (var key in attrs) {
if (attrs[key] !== value[key]) return false;
}
return true;
});
}; };
// Convenience version of a common use case of `find`: getting the first object // Convenience version of a common use case of `find`: getting the first object
// containing specific `key:value` pairs. // containing specific `key:value` pairs.
_.findWhere = function(obj, attrs) { _.findWhere = function(obj, attrs) {
return _.where(obj, attrs, true); return _.find(obj, _.matches(attrs));
}; };
// Return the maximum element or (element-based computation). // Return the maximum element or (element-based computation).
// Can't optimize arrays of integers longer than 65,535 elements. // Can't optimize arrays of integers longer than 65,535 elements.
// See: https://bugs.webkit.org/show_bug.cgi?id=80797 // See [WebKit Bug 80797](https://bugs.webkit.org/show_bug.cgi?id=80797)
_.max = function(obj, iterator, context) { _.max = function(obj, iterator, context) {
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) { if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
return Math.max.apply(Math, obj); return Math.max.apply(Math, obj);
} }
if (!iterator && _.isEmpty(obj)) return -Infinity; var result = -Infinity, lastComputed = -Infinity;
var result = {computed : -Infinity, value: -Infinity};
each(obj, function(value, index, list) { each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value; 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). // Return the minimum element (or element-based computation).
@ -303,16 +300,19 @@ module.exports = {
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) { if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
return Math.min.apply(Math, obj); return Math.min.apply(Math, obj);
} }
if (!iterator && _.isEmpty(obj)) return Infinity; var result = Infinity, lastComputed = Infinity;
var result = {computed : Infinity, value: Infinity};
each(obj, function(value, index, list) { each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value; 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. // Shuffle an array, using the modern version of the
// [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
_.shuffle = function(obj) { _.shuffle = function(obj) {
var rand; var rand;
var index = 0; var index = 0;
@ -325,14 +325,27 @@ module.exports = {
return shuffled; return shuffled;
}; };
// 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 (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));
};
// An internal function to generate lookup iterators. // An internal function to generate lookup iterators.
var lookupIterator = function(value) { 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. // Sort the object's values by a criterion produced by an iterator.
_.sortBy = function(obj, value, context) { _.sortBy = function(obj, iterator, context) {
var iterator = lookupIterator(value); iterator = lookupIterator(iterator);
return _.pluck(_.map(obj, function(value, index, list) { return _.pluck(_.map(obj, function(value, index, list) {
return { return {
value: value, value: value,
@ -346,43 +359,46 @@ module.exports = {
if (a > b || a === void 0) return 1; if (a > b || a === void 0) return 1;
if (a < b || b === void 0) return -1; if (a < b || b === void 0) return -1;
} }
return left.index < right.index ? -1 : 1; return left.index - right.index;
}), 'value'); }), 'value');
}; };
// An internal function used for aggregate "group by" operations. // An internal function used for aggregate "group by" operations.
var group = function(obj, value, context, behavior) { var group = function(behavior) {
return function(obj, iterator, context) {
var result = {}; var result = {};
var iterator = lookupIterator(value || _.identity); iterator = lookupIterator(iterator);
each(obj, function(value, index) { each(obj, function(value, index) {
var key = iterator.call(context, value, index, obj); var key = iterator.call(context, value, index, obj);
behavior(result, key, value); behavior(result, key, value);
}); });
return result; return result;
}; };
};
// Groups the object's values by a criterion. Pass either a string attribute // Groups the object's values by a criterion. Pass either a string attribute
// to group by, or a function that returns the criterion. // to group by, or a function that returns the criterion.
_.groupBy = function(obj, value, context) { _.groupBy = group(function(result, key, value) {
return group(obj, value, context, function(result, key, value) { _.has(result, key) ? result[key].push(value) : result[key] = [value];
(_.has(result, key) ? result[key] : (result[key] = [])).push(value); });
// Indexes the object's values by a criterion, similar to `groupBy`, but for
// when you know that your index values will be unique.
_.indexBy = group(function(result, key, value) {
result[key] = value;
}); });
};
// Counts instances of an object that group by a certain criterion. Pass // Counts instances of an object that group by a certain criterion. Pass
// either a string attribute to count by, or a function that returns the // either a string attribute to count by, or a function that returns the
// criterion. // criterion.
_.countBy = function(obj, value, context) { _.countBy = group(function(result, key) {
return group(obj, value, context, function(result, key) { _.has(result, key) ? result[key]++ : result[key] = 1;
if (!_.has(result, key)) result[key] = 0;
result[key]++;
}); });
};
// Use a comparator function to figure out the smallest index at which // 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. // an object should be inserted so as to maintain order. Uses binary search.
_.sortedIndex = function(array, obj, iterator, context) { _.sortedIndex = function(array, obj, iterator, context) {
iterator = iterator == null ? _.identity : lookupIterator(iterator); iterator = lookupIterator(iterator);
var value = iterator.call(context, obj); var value = iterator.call(context, obj);
var low = 0, high = array.length; var low = 0, high = array.length;
while (low < high) { while (low < high) {
@ -392,7 +408,7 @@ module.exports = {
return low; return low;
}; };
// Safely convert anything iterable into a real, live array. // Safely create a real, live array from anything iterable.
_.toArray = function(obj) { _.toArray = function(obj) {
if (!obj) return []; if (!obj) return [];
if (_.isArray(obj)) return slice.call(obj); if (_.isArray(obj)) return slice.call(obj);
@ -414,7 +430,9 @@ module.exports = {
// allows it to work with `_.map`. // allows it to work with `_.map`.
_.first = _.head = _.take = function(array, n, guard) { _.first = _.head = _.take = function(array, n, guard) {
if (array == null) return void 0; if (array == null) return void 0;
return (n != null) && !guard ? slice.call(array, 0, n) : array[0]; 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 // Returns everything but the last entry of the array. Especially useful on
@ -429,11 +447,8 @@ module.exports = {
// values in the array. The **guard** check allows it to work with `_.map`. // values in the array. The **guard** check allows it to work with `_.map`.
_.last = function(array, n, guard) { _.last = function(array, n, guard) {
if (array == null) return void 0; if (array == null) return void 0;
if ((n != null) && !guard) { if ((n == null) || guard) return array[array.length - 1];
return slice.call(array, Math.max(array.length - n, 0)); return slice.call(array, Math.max(array.length - n, 0));
} else {
return array[array.length - 1];
}
}; };
// Returns everything but the first entry of the array. Aliased as `tail` and `drop`. // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
@ -451,8 +466,11 @@ module.exports = {
// Internal implementation of a recursive `flatten` function. // Internal implementation of a recursive `flatten` function.
var flatten = function(input, shallow, output) { var flatten = function(input, shallow, output) {
if (shallow && _.every(input, _.isArray)) {
return concat.apply(output, input);
}
each(input, function(value) { each(input, function(value) {
if (_.isArray(value)) { if (_.isArray(value) || _.isArguments(value)) {
shallow ? push.apply(output, value) : flatten(value, shallow, output); shallow ? push.apply(output, value) : flatten(value, shallow, output);
} else { } else {
output.push(value); output.push(value);
@ -461,7 +479,7 @@ module.exports = {
return output; return output;
}; };
// Return a completely flattened version of an array. // Flatten out an array, either recursively (by default), or just one level.
_.flatten = function(array, shallow) { _.flatten = function(array, shallow) {
return flatten(array, shallow, []); return flatten(array, shallow, []);
}; };
@ -471,6 +489,16 @@ module.exports = {
return _.difference(array, slice.call(arguments, 1)); 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 // Produce a duplicate-free version of the array. If the array has already
// been sorted, you have the option of using a faster algorithm. // been sorted, you have the option of using a faster algorithm.
// Aliased as `unique`. // Aliased as `unique`.
@ -495,7 +523,7 @@ module.exports = {
// Produce an array that contains the union: each distinct element from all of // Produce an array that contains the union: each distinct element from all of
// the passed-in arrays. // the passed-in arrays.
_.union = function() { _.union = function() {
return _.uniq(concat.apply(ArrayProto, arguments)); return _.uniq(_.flatten(arguments, true));
}; };
// Produce an array that contains every item shared between all the // Produce an array that contains every item shared between all the
@ -504,7 +532,7 @@ module.exports = {
var rest = slice.call(arguments, 1); var rest = slice.call(arguments, 1);
return _.filter(_.uniq(array), function(item) { return _.filter(_.uniq(array), function(item) {
return _.every(rest, function(other) { return _.every(rest, function(other) {
return _.indexOf(other, item) >= 0; return _.contains(other, item);
}); });
}); });
}; };
@ -519,11 +547,10 @@ module.exports = {
// Zip together multiple lists into a single array -- elements that share // Zip together multiple lists into a single array -- elements that share
// an index go together. // an index go together.
_.zip = function() { _.zip = function() {
var args = slice.call(arguments); var length = _.max(_.pluck(arguments, 'length').concat(0));
var length = _.max(_.pluck(args, 'length'));
var results = new Array(length); var results = new Array(length);
for (var i = 0; i < length; i++) { for (var i = 0; i < length; i++) {
results[i] = _.pluck(args, "" + i); results[i] = _.pluck(arguments, '' + i);
} }
return results; return results;
}; };
@ -534,7 +561,7 @@ module.exports = {
_.object = function(list, values) { _.object = function(list, values) {
if (list == null) return {}; if (list == null) return {};
var result = {}; var result = {};
for (var i = 0, l = list.length; i < l; i++) { for (var i = 0, length = list.length; i < length; i++) {
if (values) { if (values) {
result[list[i]] = values[i]; result[list[i]] = values[i];
} else { } else {
@ -552,17 +579,17 @@ module.exports = {
// for **isSorted** to use binary search. // for **isSorted** to use binary search.
_.indexOf = function(array, item, isSorted) { _.indexOf = function(array, item, isSorted) {
if (array == null) return -1; if (array == null) return -1;
var i = 0, l = array.length; var i = 0, length = array.length;
if (isSorted) { if (isSorted) {
if (typeof isSorted == 'number') { if (typeof isSorted == 'number') {
i = (isSorted < 0 ? Math.max(0, l + isSorted) : isSorted); i = (isSorted < 0 ? Math.max(0, length + isSorted) : isSorted);
} else { } else {
i = _.sortedIndex(array, item); i = _.sortedIndex(array, item);
return array[i] === item ? i : -1; return array[i] === item ? i : -1;
} }
} }
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted); if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
for (; i < l; i++) if (array[i] === item) return i; for (; i < length; i++) if (array[i] === item) return i;
return -1; return -1;
}; };
@ -588,11 +615,11 @@ module.exports = {
} }
step = arguments[2] || 1; step = arguments[2] || 1;
var len = Math.max(Math.ceil((stop - start) / step), 0); var length = Math.max(Math.ceil((stop - start) / step), 0);
var idx = 0; var idx = 0;
var range = new Array(len); var range = new Array(length);
while(idx < len) { while(idx < length) {
range[idx++] = start; range[idx++] = start;
start += step; start += step;
} }
@ -603,31 +630,50 @@ module.exports = {
// Function (ahem) Functions // Function (ahem) Functions
// ------------------ // ------------------
// Reusable constructor function for prototype setting.
var ctor = function(){};
// Create a function bound to a given object (assigning `this`, and arguments, // Create a function bound to a given object (assigning `this`, and arguments,
// optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
// available. // available.
_.bind = function(func, context) { _.bind = function(func, context) {
if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1)); var args, bound;
var args = slice.call(arguments, 2); if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
return function() { if (!_.isFunction(func)) throw new TypeError;
return func.apply(context, args.concat(slice.call(arguments))); args = slice.call(arguments, 2);
return bound = function() {
if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
ctor.prototype = func.prototype;
var self = new ctor;
ctor.prototype = null;
var result = func.apply(self, args.concat(slice.call(arguments)));
if (Object(result) === result) return result;
return self;
}; };
}; };
// Partially apply a function by creating a version that has had some of its // 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) { _.partial = function(func) {
var args = slice.call(arguments, 1); var boundArgs = slice.call(arguments, 1);
return function() { 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 // Bind a number of an object's methods to that object. Remaining arguments
// all callbacks defined on an object belong to it. // are the method names to be bound. Useful for ensuring that all callbacks
// defined on an object belong to it.
_.bindAll = function(obj) { _.bindAll = function(obj) {
var funcs = slice.call(arguments, 1); var funcs = slice.call(arguments, 1);
if (funcs.length === 0) funcs = _.functions(obj); if (funcs.length === 0) throw new Error('bindAll must be passed function names');
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); }); each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
return obj; return obj;
}; };
@ -656,17 +702,24 @@ module.exports = {
}; };
// Returns a function, that, when invoked, will only be triggered at most once // Returns a function, that, when invoked, will only be triggered at most once
// during a given window of time. // during a given window of time. Normally, the throttled function will run
_.throttle = function(func, wait) { // as much as it can, without ever going more than once per `wait` duration;
var context, args, timeout, result; // but if you'd like to disable the execution on the leading edge, pass
// `{leading: false}`. To disable execution on the trailing edge, ditto.
_.throttle = function(func, wait, options) {
var context, args, result;
var timeout = null;
var previous = 0; var previous = 0;
options || (options = {});
var later = function() { var later = function() {
previous = new Date; previous = options.leading === false ? 0 : _.now();
timeout = null; timeout = null;
result = func.apply(context, args); result = func.apply(context, args);
context = args = null;
}; };
return function() { return function() {
var now = new Date; var now = _.now();
if (!previous && options.leading === false) previous = now;
var remaining = wait - (now - previous); var remaining = wait - (now - previous);
context = this; context = this;
args = arguments; args = arguments;
@ -675,7 +728,8 @@ module.exports = {
timeout = null; timeout = null;
previous = now; previous = now;
result = func.apply(context, args); result = func.apply(context, args);
} else if (!timeout) { context = args = null;
} else if (!timeout && options.trailing !== false) {
timeout = setTimeout(later, remaining); timeout = setTimeout(later, remaining);
} }
return result; return result;
@ -687,17 +741,34 @@ module.exports = {
// N milliseconds. If `immediate` is passed, trigger the function on the // N milliseconds. If `immediate` is passed, trigger the function on the
// leading edge, instead of the trailing. // leading edge, instead of the trailing.
_.debounce = function(func, wait, immediate) { _.debounce = function(func, wait, immediate) {
var timeout, result; var timeout, args, context, timestamp, result;
return function() {
var context = this, args = arguments;
var later = function() { var later = function() {
var last = _.now() - timestamp;
if (last < wait) {
timeout = setTimeout(later, wait - last);
} else {
timeout = null; timeout = null;
if (!immediate) result = func.apply(context, args); if (!immediate) {
result = func.apply(context, args);
context = args = null;
}
}
}; };
return function() {
context = this;
args = arguments;
timestamp = _.now();
var callNow = immediate && !timeout; var callNow = immediate && !timeout;
clearTimeout(timeout); if (!timeout) {
timeout = setTimeout(later, wait); timeout = setTimeout(later, wait);
if (callNow) result = func.apply(context, args); }
if (callNow) {
result = func.apply(context, args);
context = args = null;
}
return result; return result;
}; };
}; };
@ -719,11 +790,7 @@ module.exports = {
// allowing you to adjust arguments, run code before and after, and // allowing you to adjust arguments, run code before and after, and
// conditionally execute the original function. // conditionally execute the original function.
_.wrap = function(func, wrapper) { _.wrap = function(func, wrapper) {
return function() { return _.partial(wrapper, func);
var args = [func];
push.apply(args, arguments);
return wrapper.apply(this, args);
};
}; };
// Returns a function that is the composition of a list of functions, each // Returns a function that is the composition of a list of functions, each
@ -741,7 +808,6 @@ module.exports = {
// Returns a function that will only be executed after being called N times. // Returns a function that will only be executed after being called N times.
_.after = function(times, func) { _.after = function(times, func) {
if (times <= 0) return func();
return function() { return function() {
if (--times < 1) { if (--times < 1) {
return func.apply(this, arguments); return func.apply(this, arguments);
@ -754,31 +820,43 @@ module.exports = {
// Retrieve the names of an object's properties. // Retrieve the names of an object's properties.
// Delegates to **ECMAScript 5**'s native `Object.keys` // Delegates to **ECMAScript 5**'s native `Object.keys`
_.keys = nativeKeys || function(obj) { _.keys = function(obj) {
if (obj !== Object(obj)) throw new TypeError('Invalid object'); if (!_.isObject(obj)) return [];
if (nativeKeys) return nativeKeys(obj);
var keys = []; var keys = [];
for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key; for (var key in obj) if (_.has(obj, key)) keys.push(key);
return keys; return keys;
}; };
// Retrieve the values of an object's properties. // Retrieve the values of an object's properties.
_.values = function(obj) { _.values = function(obj) {
var values = []; var keys = _.keys(obj);
for (var key in obj) if (_.has(obj, key)) values.push(obj[key]); var length = keys.length;
var values = new Array(length);
for (var i = 0; i < length; i++) {
values[i] = obj[keys[i]];
}
return values; return values;
}; };
// Convert an object into a list of `[key, value]` pairs. // Convert an object into a list of `[key, value]` pairs.
_.pairs = function(obj) { _.pairs = function(obj) {
var pairs = []; var keys = _.keys(obj);
for (var key in obj) if (_.has(obj, key)) pairs.push([key, obj[key]]); var length = keys.length;
var pairs = new Array(length);
for (var i = 0; i < length; i++) {
pairs[i] = [keys[i], obj[keys[i]]];
}
return pairs; return pairs;
}; };
// Invert the keys and values of an object. The values must be serializable. // Invert the keys and values of an object. The values must be serializable.
_.invert = function(obj) { _.invert = function(obj) {
var result = {}; var result = {};
for (var key in obj) if (_.has(obj, key)) result[obj[key]] = key; var keys = _.keys(obj);
for (var i = 0, length = keys.length; i < length; i++) {
result[obj[keys[i]]] = keys[i];
}
return result; return result;
}; };
@ -829,7 +907,7 @@ module.exports = {
each(slice.call(arguments, 1), function(source) { each(slice.call(arguments, 1), function(source) {
if (source) { if (source) {
for (var prop in source) { for (var prop in source) {
if (obj[prop] == null) obj[prop] = source[prop]; if (obj[prop] === void 0) obj[prop] = source[prop];
} }
} }
}); });
@ -853,7 +931,7 @@ module.exports = {
// Internal recursive comparison function for `isEqual`. // Internal recursive comparison function for `isEqual`.
var eq = function(a, b, aStack, bStack) { var eq = function(a, b, aStack, bStack) {
// Identical objects are equal. `0 === -0`, but they aren't identical. // Identical objects are equal. `0 === -0`, but they aren't identical.
// See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal. // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
if (a === b) return a !== 0 || 1 / a == 1 / b; if (a === b) return a !== 0 || 1 / a == 1 / b;
// A strict comparison is necessary because `null == undefined`. // A strict comparison is necessary because `null == undefined`.
if (a == null || b == null) return a === b; if (a == null || b == null) return a === b;
@ -895,6 +973,14 @@ module.exports = {
// unique nested structures. // unique nested structures.
if (aStack[length] == a) return bStack[length] == b; if (aStack[length] == a) return bStack[length] == b;
} }
// 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))
&& ('constructor' in a && 'constructor' in b)) {
return false;
}
// Add the first object to the stack of traversed objects. // Add the first object to the stack of traversed objects.
aStack.push(a); aStack.push(a);
bStack.push(b); bStack.push(b);
@ -911,13 +997,6 @@ module.exports = {
} }
} }
} else { } else {
// 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. // Deep compare objects.
for (var key in a) { for (var key in a) {
if (_.has(a, key)) { if (_.has(a, key)) {
@ -1039,9 +1118,33 @@ module.exports = {
return value; 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. // Run a function **n** times.
_.times = function(n, iterator, context) { _.times = function(n, iterator, context) {
var accum = Array(n); var accum = Array(Math.max(0, n));
for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i); for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
return accum; return accum;
}; };
@ -1055,6 +1158,9 @@ module.exports = {
return min + Math.floor(Math.random() * (max - min + 1)); 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. // List of HTML entities for escaping.
var entityMap = { var entityMap = {
escape: { escape: {
@ -1062,8 +1168,7 @@ module.exports = {
'<': '&lt;', '<': '&lt;',
'>': '&gt;', '>': '&gt;',
'"': '&quot;', '"': '&quot;',
"'": '&#x27;', "'": '&#x27;'
'/': '&#x2F;'
} }
}; };
entityMap.unescape = _.invert(entityMap.escape); entityMap.unescape = _.invert(entityMap.escape);
@ -1084,10 +1189,10 @@ module.exports = {
}; };
}); });
// If the value of the named property is a function then invoke it; // If the value of the named `property` is a function then invoke it with the
// otherwise, return it. // `object` as context; otherwise, return it.
_.result = function(object, property) { _.result = function(object, property) {
if (object == null) return null; if (object == null) return void 0;
var value = object[property]; var value = object[property];
return _.isFunction(value) ? value.call(object) : value; return _.isFunction(value) ? value.call(object) : value;
}; };
@ -1252,6 +1357,18 @@ module.exports = {
}); });
// 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); }).call(this);
}, },
@ -1353,6 +1470,7 @@ var JSHINT = (function () {
globalstrict: true, // if global "use strict"; should be allowed (also enables 'strict') globalstrict: true, // if global "use strict"; should be allowed (also enables 'strict')
immed : true, // if immediate invocations must be wrapped in parens immed : true, // if immediate invocations must be wrapped in parens
iterator : true, // if the `__iterator__` property should be allowed iterator : true, // if the `__iterator__` property should be allowed
jasmine : true, // Jasmine functions should be predefined
jquery : true, // if jQuery globals should be predefined jquery : true, // if jQuery globals should be predefined
lastsemic : true, // if semicolons may be ommitted for the trailing lastsemic : true, // if semicolons may be ommitted for the trailing
// statements inside of a one-line blocks. // statements inside of a one-line blocks.
@ -1378,6 +1496,7 @@ var JSHINT = (function () {
proto : true, // if the `__proto__` property should be allowed proto : true, // if the `__proto__` property should be allowed
prototypejs : true, // if Prototype and Scriptaculous globals should be prototypejs : true, // if Prototype and Scriptaculous globals should be
// predefined // predefined
qunit : true, // if the QUnit environment globals should be predefined
rhino : true, // if the Rhino environment globals should be predefined rhino : true, // if the Rhino environment globals should be predefined
shelljs : true, // if ShellJS globals should be predefined shelljs : true, // if ShellJS globals should be predefined
typed : true, // if typed array globals should be predefined typed : true, // if typed array globals should be predefined
@ -1570,7 +1689,7 @@ var JSHINT = (function () {
function combine(dest, src) { function combine(dest, src) {
Object.keys(src).forEach(function (name) { Object.keys(src).forEach(function (name) {
if (JSHINT.blacklist.hasOwnProperty(name)) return; if (_.has(JSHINT.blacklist, name)) return;
dest[name] = src[name]; dest[name] = src[name];
}); });
} }
@ -1584,6 +1703,10 @@ var JSHINT = (function () {
combine(predefined, vars.couch); combine(predefined, vars.couch);
} }
if (state.option.qunit) {
combine(predefined, vars.qunit);
}
if (state.option.rhino) { if (state.option.rhino) {
combine(predefined, vars.rhino); combine(predefined, vars.rhino);
} }
@ -1626,6 +1749,10 @@ var JSHINT = (function () {
combine(predefined, vars.nonstandard); combine(predefined, vars.nonstandard);
} }
if (state.option.jasmine) {
combine(predefined, vars.jasmine);
}
if (state.option.jquery) { if (state.option.jquery) {
combine(predefined, vars.jquery); combine(predefined, vars.jquery);
} }
@ -2208,11 +2335,13 @@ var JSHINT = (function () {
if (state.tokens.next.id === "(end)") if (state.tokens.next.id === "(end)")
error("E006", state.tokens.curr); error("E006", state.tokens.curr);
if (state.option.asi && var isDangerous =
(state.tokens.curr.id === "[" || state.option.asi &&
state.tokens.curr.id === "(" || state.tokens.prev.line < state.tokens.curr.line &&
state.tokens.curr.id === "/") && _.contains(["]", ")"], state.tokens.prev.id) &&
state.tokens.prev.line < state.tokens.curr.line) _.contains(["[", "("], state.tokens.curr.id);
if (isDangerous)
warning("W014", state.tokens.curr, state.tokens.curr.id); warning("W014", state.tokens.curr, state.tokens.curr.id);
advance(); advance();
@ -2792,6 +2921,21 @@ var JSHINT = (function () {
} }
} }
function parseFinalSemicolon() {
if (state.tokens.next.id !== ";") {
if (!state.option.asi) {
// If this is the last statement in a block that ends on
// the same line *and* option lastsemic is on, ignore the warning.
// Otherwise, complain about missing semicolon.
if (!state.option.lastsemic || state.tokens.next.id !== "}" ||
state.tokens.next.line !== state.tokens.curr.line) {
warningAt("W033", state.tokens.curr.line, state.tokens.curr.character);
}
}
} else {
advance(";");
}
}
function statement() { function statement() {
var values; var values;
@ -2814,6 +2958,23 @@ var JSHINT = (function () {
res = false; res = false;
} }
// detect a module import declaration
if (t.value === "module" && t.type === "(identifier)") {
if (peek().type === "(identifier)") {
if (!state.option.inESNext()) {
warning("W119", state.tokens.curr, "module");
}
advance("module");
var name = identifier();
addlabel(name, { type: "unused", token: state.tokens.curr });
advance("from");
advance("(string)");
parseFinalSemicolon();
return;
}
}
// detect a destructuring assignment // detect a destructuring assignment
if (_.has(["[", "{"], t.value)) { if (_.has(["[", "{"], t.value)) {
if (lookupBlockType().isDestAssign) { if (lookupBlockType().isDestAssign) {
@ -2879,21 +3040,9 @@ var JSHINT = (function () {
} else if (state.option.nonew && r && r.left && r.id === "(" && r.left.id === "new") { } else if (state.option.nonew && r && r.left && r.id === "(" && r.left.id === "new") {
warning("W031", t); warning("W031", t);
} }
parseFinalSemicolon();
}
if (state.tokens.next.id !== ";") {
if (!state.option.asi) {
// If this is the last statement in a block that ends on
// the same line *and* option lastsemic is on, ignore the warning.
// Otherwise, complain about missing semicolon.
if (!state.option.lastsemic || state.tokens.next.id !== "}" ||
state.tokens.next.line !== state.tokens.curr.line) {
warningAt("W033", state.tokens.curr.line, state.tokens.curr.character);
}
}
} else {
advance(";");
}
}
// Restore the indentation. // Restore the indentation.
@ -5432,7 +5581,6 @@ var JSHINT = (function () {
FutureReservedWord("static", { es5: true, strictOnly: true }); FutureReservedWord("static", { es5: true, strictOnly: true });
FutureReservedWord("super", { es5: true }); FutureReservedWord("super", { es5: true });
FutureReservedWord("synchronized"); FutureReservedWord("synchronized");
FutureReservedWord("throws");
FutureReservedWord("transient"); FutureReservedWord("transient");
FutureReservedWord("volatile"); FutureReservedWord("volatile");
@ -8150,7 +8298,7 @@ exports.starSlash = /\*\//;
exports.identifier = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/; exports.identifier = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/;
// JavaScript URL (jx) // JavaScript URL (jx)
exports.javascriptURL = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i; exports.javascriptURL = /^(?:javascript|jscript|ecmascript|vbscript|livescript)\s*:/i;
// Catches /* falls through */ comments (ft) // Catches /* falls through */ comments (ft)
exports.fallsThrough = /^\s*\/\*\s*falls?\sthrough\s*\*\/\s*$/; exports.fallsThrough = /^\s*\/\*\s*falls?\sthrough\s*\*\/\s*$/;
@ -8323,7 +8471,7 @@ exports.register = function (linter) {
// Warn about script URLs. // Warn about script URLs.
linter.on("String", function style_scanJavaScriptURLs(data) { linter.on("String", function style_scanJavaScriptURLs(data) {
var re = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i; var re = /^(?:javascript|jscript|ecmascript|vbscript|livescript)\s*:/i;
if (linter.getOption("scripturl")) { if (linter.getOption("scripturl")) {
return; return;
@ -8756,6 +8904,27 @@ exports.phantom = {
exports : true // v1.7+ exports : true // v1.7+
}; };
exports.qunit = {
asyncTest : false,
deepEqual : false,
equal : false,
expect : false,
module : false,
notDeepEqual : false,
notEqual : false,
notPropEqual : false,
notStrictEqual : false,
ok : false,
propEqual : false,
QUnit : false,
raises : false,
start : false,
stop : false,
strictEqual : false,
test : false,
"throws" : false
};
exports.rhino = { exports.rhino = {
defineClass : false, defineClass : false,
deserialize : false, deserialize : false,
@ -8875,7 +9044,7 @@ exports.mootools = {
Group : false, Group : false,
Hash : false, Hash : false,
HtmlTable : false, HtmlTable : false,
Iframe : false, IFrame : false,
IframeShim : false, IframeShim : false,
InputValidator: false, InputValidator: false,
instanceOf : false, instanceOf : false,
@ -8962,6 +9131,23 @@ exports.mocha = {
teardown : false teardown : false
}; };
exports.jasmine = {
jasmine : false,
describe : false,
it : false,
xit : false,
beforeEach : false,
afterEach : false,
setFixtures : false,
loadFixtures: false,
spyOn : false,
expect : false,
// Jasmine 1.3
runs : false,
waitsFor : false,
waits : false
};
}, },
{}], {}],
10:[function(_dereq_,module,exports){ 10:[function(_dereq_,module,exports){

View file

@ -85,7 +85,7 @@ var deps = {
jshint: { jshint: {
path: "mode/javascript/jshint.js", path: "mode/javascript/jshint.js",
browserify: { browserify: {
npmModule: "git+https://github.com/nightwing/jshint.git#master", npmModule: "git+https://github.com/ajaxorg/jshint.git#master",
path: "jshint/src/jshint.js", path: "jshint/src/jshint.js",
exports: "jshint" exports: "jshint"
}, },