Skip to content

Instantly share code, notes, and snippets.

@hbt
Created January 6, 2012 19:25
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save hbt/1572005 to your computer and use it in GitHub Desktop.
Save hbt/1572005 to your computer and use it in GitHub Desktop.
coffeescript with line numbers for debugging (prod version)
(function() {
var ArrayProto, ObjProto, addToWrapper, breaker, escapeRegExp, hasOwnProperty, idCounter, nativeEvery, nativeFilter, nativeForEach, nativeIndexOf, nativeIsArray, nativeKeys, nativeLastIndexOf, nativeMap, nativeReduce, nativeReduceRight, nativeSome, previousUnderscore, propertyIsEnumerable, result, root, slice, toString, unshift, wrapper, _,
__hasProp = Object.prototype.hasOwnProperty;
root = this;
previousUnderscore = root._;
breaker = typeof StopIteration === 'undefined' ? '__break__' : StopIteration;
escapeRegExp = function(string) {
return string.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
};
ArrayProto = Array.prototype;
ObjProto = Object.prototype;
slice = ArrayProto.slice;
unshift = ArrayProto.unshift;
toString = ObjProto.toString;
hasOwnProperty = ObjProto.hasOwnProperty;
propertyIsEnumerable = ObjProto.propertyIsEnumerable;
nativeForEach = ArrayProto.forEach;
nativeMap = ArrayProto.map;
nativeReduce = ArrayProto.reduce;
nativeReduceRight = ArrayProto.reduceRight;
nativeFilter = ArrayProto.filter;
nativeEvery = ArrayProto.every;
nativeSome = ArrayProto.some;
nativeIndexOf = ArrayProto.indexOf;
nativeLastIndexOf = ArrayProto.lastIndexOf;
nativeIsArray = Array.isArray;
nativeKeys = Object.keys;
_ = function(obj) {
return new wrapper(obj);
};
if (typeof exports !== 'undefined') exports._ = _;
root._ = _;
_.VERSION = '1.1.0';
_.each = function(obj, iterator, context) {
var i, key, val, _i, _ref;
try {
if (nativeForEach && obj.forEach === nativeForEach) {
obj.forEach(iterator, context);
} else if (_.isNumber(obj.length)) {
for (i = _i = 0, _ref = obj.length; 0 <= _ref ? _i < _ref : _i > _ref; i = 0 <= _ref ? ++_i : --_i) {
iterator.call(context, obj[i], i, obj);
}
} else {
for (key in obj) {
if (!__hasProp.call(obj, key)) continue;
val = obj[key];
iterator.call(context, val, key, obj);
}
}
} catch (e) {
if (e !== breaker) throw e;
}
return obj;
};
_.map = function(obj, iterator, context) {
var results;
if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
results = [];
_.each(obj, function(value, index, list) {
return results.push(iterator.call(context, value, index, list));
});
return results;
};
_.reduce = function(obj, iterator, memo, context) {
if (nativeReduce && obj.reduce === nativeReduce) {
if (context) iterator = _.bind(iterator, context);
return obj.reduce(iterator, memo);
}
_.each(obj, function(value, index, list) {
return memo = iterator.call(context, memo, value, index, list);
});
return memo;
};
_.reduceRight = function(obj, iterator, memo, context) {
var reversed;
if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
if (context) iterator = _.bind(iterator, context);
return obj.reduceRight(iterator, memo);
}
reversed = _.clone(_.toArray(obj)).reverse();
return _.reduce(reversed, iterator, memo, context);
};
_.detect = function(obj, iterator, context) {
var result;
result = null;
_.each(obj, function(value, index, list) {
if (iterator.call(context, value, index, list)) {
result = value;
return _.breakLoop();
}
});
return result;
};
_.filter = function(obj, iterator, context) {
var results;
if (nativeFilter && obj.filter === nativeFilter) {
return obj.filter(iterator, context);
}
results = [];
_.each(obj, function(value, index, list) {
if (iterator.call(context, value, index, list)) return results.push(value);
});
return results;
};
_.reject = function(obj, iterator, context) {
var results;
results = [];
_.each(obj, function(value, index, list) {
if (!iterator.call(context, value, index, list)) return results.push(value);
});
return results;
};
_.every = function(obj, iterator, context) {
var result;
iterator || (iterator = _.identity);
if (nativeEvery && obj.every === nativeEvery) {
return obj.every(iterator, context);
}
result = true;
_.each(obj, function(value, index, list) {
if (!(result = result && iterator.call(context, value, index, list))) {
return _.breakLoop();
}
});
return result;
};
_.some = function(obj, iterator, context) {
var result;
iterator || (iterator = _.identity);
if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
result = false;
_.each(obj, function(value, index, list) {
if ((result = iterator.call(context, value, index, list))) {
return _.breakLoop();
}
});
return result;
};
_.include = function(obj, target) {
var key, val;
if (nativeIndexOf && obj.indexOf === nativeIndexOf) {
return _.indexOf(obj, target) !== -1;
}
for (key in obj) {
if (!__hasProp.call(obj, key)) continue;
val = obj[key];
if (val === target) return true;
}
return false;
};
_.invoke = function(obj, method) {
var args, val, _i, _len, _results;
args = _.rest(arguments, 2);
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
val = obj[_i];
_results.push((method ? val[method] : val).apply(val, args));
}
return _results;
};
_.pluck = function(obj, key) {
return _.map(obj, function(val) {
return val[key];
});
};
_.max = function(obj, iterator, context) {
var result;
if (!iterator && _.isArray(obj)) return Math.max.apply(Math, obj);
result = {
computed: -Infinity
};
_.each(obj, function(value, index, list) {
var computed;
computed = iterator ? iterator.call(context, value, index, list) : value;
return computed >= result.computed && (result = {
value: value,
computed: computed
});
});
return result.value;
};
_.min = function(obj, iterator, context) {
var result;
if (!iterator && _.isArray(obj)) return Math.min.apply(Math, obj);
result = {
computed: Infinity
};
_.each(obj, function(value, index, list) {
var computed;
computed = iterator ? iterator.call(context, value, index, list) : value;
return computed < result.computed && (result = {
value: value,
computed: computed
});
});
return result.value;
};
_.sortBy = function(obj, iterator, context) {
return _.pluck((_.map(obj, function(value, index, list) {
return {
value: value,
criteria: iterator.call(context, value, index, list)
};
})).sort(function(left, right) {
var a, b;
a = left.criteria;
b = right.criteria;
if (a < b) {
return -1;
} else if (a > b) {
return 1;
} else {
return 0;
}
}), 'value');
};
_.sortedIndex = function(array, obj, iterator) {
var high, low, mid;
iterator || (iterator = _.identity);
low = 0;
high = array.length;
while (low < high) {
mid = (low + high) >> 1;
if (iterator(array[mid]) < iterator(obj)) {
low = mid + 1;
} else {
high = mid;
}
}
return low;
};
_.toArray = function(iterable) {
if (!iterable) return [];
if (iterable.toArray) return iterable.toArray();
if (_.isArray(iterable)) return iterable;
if (_.isArguments(iterable)) return slice.call(iterable);
return _.values(iterable);
};
_.size = function(obj) {
return _.toArray(obj).length;
};
_.first = function(array, n, guard) {
if (n && !guard) {
return slice.call(array, 0, n);
} else {
return array[0];
}
};
_.rest = function(array, index, guard) {
return slice.call(array, _.isUndefined(index) || guard ? 1 : index);
};
_.last = function(array) {
return array[array.length - 1];
};
_.compact = function(array) {
var item, _i, _len, _results;
_results = [];
for (_i = 0, _len = array.length; _i < _len; _i++) {
item = array[_i];
if (item) _results.push(item);
}
return _results;
};
_.flatten = function(array) {
return _.reduce(array, function(memo, value) {
if (_.isArray(value)) return memo.concat(_.flatten(value));
memo.push(value);
return memo;
}, []);
};
_.without = function(array) {
var val, values, _i, _len, _ref, _results;
values = _.rest(arguments);
_ref = _.toArray(array);
_results = [];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
val = _ref[_i];
if (!_.include(values, val)) _results.push(val);
}
return _results;
};
_.uniq = function(array, isSorted) {
var el, i, memo, _i, _len, _ref;
memo = [];
_ref = _.toArray(array);
for (i = _i = 0, _len = _ref.length; _i < _len; i = ++_i) {
el = _ref[i];
if (i === 0 || (isSorted === true ? _.last(memo) !== el : !_.include(memo, el))) {
memo.push(el);
}
}
return memo;
};
_.intersect = function(array) {
var rest;
rest = _.rest(arguments);
return _.select(_.uniq(array), function(item) {
return _.all(rest, function(other) {
return _.indexOf(other, item) >= 0;
});
});
};
_.zip = function() {
var i, length, results, _i;
length = _.max(_.pluck(arguments, 'length'));
results = new Array(length);
for (i = _i = 0; 0 <= length ? _i < length : _i > length; i = 0 <= length ? ++_i : --_i) {
results[i] = _.pluck(arguments, String(i));
}
return results;
};
_.indexOf = function(array, item) {
var i, l;
if (nativeIndexOf && array.indexOf === nativeIndexOf) {
return array.indexOf(item);
}
i = 0;
l = array.length;
while (l - i) {
if (array[i] === item) {
return i;
} else {
i++;
}
}
return -1;
};
_.lastIndexOf = function(array, item) {
var i;
if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
return array.lastIndexOf(item);
}
i = array.length;
while (i) {
if (array[i] === item) {
return i;
} else {
i--;
}
}
return -1;
};
_.range = function(start, stop, step) {
var a, i, idx, len, range, solo;
a = arguments;
solo = a.length <= 1;
i = start = solo ? 0 : a[0];
stop = solo ? a[0] : a[1];
step = a[2] || 1;
len = Math.ceil((stop - start) / step);
if (len <= 0) return [];
range = new Array(len);
idx = 0;
while (true) {
if ((step > 0 ? i - stop : stop - i) >= 0) return range;
range[idx] = i;
idx++;
i += step;
}
};
_.bind = function(func, obj) {
var args;
args = _.rest(arguments, 2);
return function() {
return func.apply(obj || root, args.concat(arguments));
};
};
_.bindAll = function(obj) {
var funcs;
funcs = arguments.length > 1 ? _.rest(arguments) : _.functions(obj);
_.each(funcs, function(f) {
return obj[f] = _.bind(obj[f], obj);
});
return obj;
};
_.delay = function(func, wait) {
var args;
args = _.rest(arguments, 2);
return setTimeout((function() {
return func.apply(func, args);
}), wait);
};
_.memoize = function(func, hasher) {
var memo;
memo = {};
hasher || (hasher = _.identity);
return function() {
var key;
key = hasher.apply(this, arguments);
if (key in memo) return memo[key];
return memo[key] = func.apply(this, arguments);
};
};
_.defer = function(func) {
return _.delay.apply(_, [func, 1].concat(_.rest(arguments)));
};
_.wrap = function(func, wrapper) {
return function() {
return wrapper.apply(wrapper, [func].concat(arguments));
};
};
_.compose = function() {
var funcs;
funcs = arguments;
return function() {
var args, i, _i, _ref;
args = arguments;
for (i = _i = _ref = funcs.length - 1; _i >= 0; i = _i += -1) {
args = [funcs[i].apply(this, args)];
}
return args[0];
};
};
_.keys = nativeKeys || function(obj) {
var key, val, _results;
if (_.isArray(obj)) return _.range(0, obj.length);
_results = [];
for (key in obj) {
val = obj[key];
_results.push(key);
}
return _results;
};
_.values = function(obj) {
return _.map(obj, _.identity);
};
_.functions = function(obj) {
return _.filter(_.keys(obj), function(key) {
return _.isFunction(obj[key]);
}).sort();
};
_.extend = function(obj) {
var key, source, val, _i, _len, _ref;
_ref = _.rest(arguments);
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
source = _ref[_i];
for (key in source) {
val = source[key];
obj[key] = val;
}
}
return obj;
};
_.clone = function(obj) {
if (_.isArray(obj)) return obj.slice(0);
return _.extend({}, obj);
};
_.tap = function(obj, interceptor) {
interceptor(obj);
return obj;
};
_.isEqual = function(a, b) {
var aKeys, atype, bKeys, btype, key, val;
if (a === b) return true;
atype = typeof a;
btype = typeof b;
if (atype !== btype) return false;
if (a == b) return true;
if ((!a && b) || (a && !b)) return false;
if (a.isEqual) return a.isEqual(b);
if (_.isDate(a) && _.isDate(b)) return a.getTime() === b.getTime();
if (_.isNaN(a) && _.isNaN(b)) return false;
if (_.isRegExp(a) && _.isRegExp(b)) {
return a.source === b.source && a.global === b.global && a.ignoreCase === b.ignoreCase && a.multiline === b.multiline;
}
if (atype !== 'object') return false;
if (a.length && (a.length !== b.length)) return false;
aKeys = _.keys(a);
bKeys = _.keys(b);
if (aKeys.length !== bKeys.length) return false;
for (key in a) {
val = a[key];
if (!(key in b) || !_.isEqual(val, b[key])) return false;
}
return true;
};
_.isEmpty = function(obj) {
var key;
if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
for (key in obj) {
if (!__hasProp.call(obj, key)) continue;
return false;
}
return true;
};
_.isElement = function(obj) {
return obj && obj.nodeType === 1;
};
_.isArray = nativeIsArray || function(obj) {
return !!(obj && obj.concat && obj.unshift && !obj.callee);
};
_.isArguments = function(obj) {
return obj && obj.callee;
};
_.isFunction = function(obj) {
return !!(obj && obj.constructor && obj.call && obj.apply);
};
_.isString = function(obj) {
return !!(obj === '' || (obj && obj.charCodeAt && obj.substr));
};
_.isNumber = function(obj) {
return (obj === +obj) || toString.call(obj) === '[object Number]';
};
_.isBoolean = function(obj) {
return obj === true || obj === false;
};
_.isDate = function(obj) {
return !!(obj && obj.getTimezoneOffset && obj.setUTCFullYear);
};
_.isRegExp = function(obj) {
return !!(obj && obj.exec && (obj.ignoreCase || obj.ignoreCase === false));
};
_.isNaN = function(obj) {
return _.isNumber(obj) && window.isNaN(obj);
};
_.isNull = function(obj) {
return obj === null;
};
_.isUndefined = function(obj) {
return typeof obj === 'undefined';
};
_.noConflict = function() {
root._ = previousUnderscore;
return this;
};
_.identity = function(value) {
return value;
};
_.times = function(n, iterator, context) {
var i, _i, _results;
_results = [];
for (i = _i = 0; 0 <= n ? _i < n : _i > n; i = 0 <= n ? ++_i : --_i) {
_results.push(iterator.call(context, i));
}
return _results;
};
_.breakLoop = function() {
throw breaker;
};
_.mixin = function(obj) {
var name, _i, _len, _ref, _results;
_ref = _.functions(obj);
_results = [];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
name = _ref[_i];
_results.push(addToWrapper(name, _[name] = obj[name]));
}
return _results;
};
idCounter = 0;
_.uniqueId = function(prefix) {
return (prefix || '') + idCounter++;
};
_.templateSettings = {
start: '<%',
end: '%>',
interpolate: /<%=(.+?)%>/g
};
_.template = function(str, data) {
var c, endMatch, fn;
c = _.templateSettings;
endMatch = new RegExp("'(?=[^" + c.end.substr(0, 1) + "]*" + escapeRegExp(c.end) + ")", "g");
fn = new Function('obj', 'var p=[],print=function(){p.push.apply(p,arguments);};' + 'with(obj||{}){p.push(\'' + str.replace(/\r/g, '\\r').replace(/\n/g, '\\n').replace(/\t/g, '\\t').replace(endMatch, "✄").split("'").join("\\'").split("✄").join("'").replace(c.interpolate, "',$1,'").split(c.start).join("');").split(c.end).join("p.push('") + "');}return p.join('');");
if (data) {
return fn(data);
} else {
return fn;
}
};
_.forEach = _.each;
_.foldl = _.inject = _.reduce;
_.foldr = _.reduceRight;
_.select = _.filter;
_.all = _.every;
_.any = _.some;
_.contains = _.include;
_.head = _.first;
_.tail = _.rest;
_.methods = _.functions;
wrapper = function(obj) {
this._wrapped = obj;
return this;
};
result = function(obj, chain) {
if (chain) {
return _(obj).chain();
} else {
return obj;
}
};
addToWrapper = function(name, func) {
return wrapper.prototype[name] = function() {
var args;
args = _.toArray(arguments);
unshift.call(args, this._wrapped);
return result(func.apply(_, args), this._chain);
};
};
_.mixin(_);
_.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
var method;
method = Array.prototype[name];
return wrapper.prototype[name] = function() {
method.apply(this._wrapped, arguments);
return result(this._wrapped, this._chain);
};
});
_.each(['concat', 'join', 'slice'], function(name) {
var method;
method = Array.prototype[name];
return wrapper.prototype[name] = function() {
return result(method.apply(this._wrapped, arguments), this._chain);
};
});
wrapper.prototype.chain = function() {
this._chain = true;
return this;
};
wrapper.prototype.value = function() {
return this._wrapped;
};
}).call(this);
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment