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January 6, 2012 19:25
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underscore in coffeescript compiled javascript version with line numbers matching original source code
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(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); |
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underscore in coffeescript compiled javascript version with line numbers matching original source code https://gist.github.com/1572009
original JS compiled version https://gist.github.com/1572005