github/coffeescript
1
1
Fork 0
mirror of https://github.com/jashkenas/coffeescript.git synced 2026-04-11 03:00:13 -04:00
Code Issues Packages Projects Releases Wiki Activity

switched from alphabetical __a __b temporary variables, to numeric _1, _2, which will be shorter in most cases

Browse Source
This commit is contained in:
Jeremy Ashkenas
2010-02-15 21:55:57 -05:00
parent 48c501a7a2
commit 4ea8be8e0b
8 changed files with 257 additions and 266 deletions
Download Patch File Download Diff File Expand all files Collapse all files

104
lib/coffee_script/underscore.js
View File

@@ -40,22 +40,22 @@
// The cornerstone, an each implementation.
// Handles objects implementing forEach, arrays, and raw objects.
_.each = function each(obj, iterator, context) {
var __a, __b, __c, __d, __e, __f, i, index, key, val;
var _1, _2, _3, _4, _5, _6, i, index, key, val;
index = 0;
try {
if (obj.forEach) {
return obj.forEach(iterator, context);
}
if (_.isNumber(obj.length)) {
__a = []; __d = 0; __e = obj.length;
for (__c=0, i=__d; (__d <= __e ? i < __e : i > __e); (__d <= __e ? i += 1 : i -= 1), __c++) {
__a.push(iterator.call(context, obj[i], i, obj));
_1 = []; _4 = 0; _5 = obj.length;
for (_3=0, i=_4; (_4 <= _5 ? i < _5 : i > _5); (_4 <= _5 ? i += 1 : i -= 1), _3++) {
_1.push(iterator.call(context, obj[i], i, obj));
}
return __a;
return _1;
}
__f = obj;
for (key in __f) if (__hasProp.call(__f, key)) {
val = __f[key];
_6 = obj;
for (key in _6) if (__hasProp.call(_6, key)) {
val = _6[key];
iterator.call(context, val, key, obj);
}
} catch (e) {
@@ -173,13 +173,13 @@
// Determine if a given value is included in the array or object,
// based on '==='.
_.include = function include(obj, target) {
var __a, key, val;
var _1, key, val;
if (obj && _.isFunction(obj.indexOf)) {
return _.indexOf(obj, target) !== -1;
}
__a = obj;
for (key in __a) if (__hasProp.call(__a, key)) {
val = __a[key];
_1 = obj;
for (key in _1) if (__hasProp.call(_1, key)) {
val = _1[key];
if (val === target) {
return true;
}
@@ -188,15 +188,15 @@
};
// Invoke a method with arguments on every item in a collection.
_.invoke = function invoke(obj, method) {
var __a, __b, __c, args, val;
var _1, _2, _3, args, val;
var arguments = Array.prototype.slice.call(arguments, 0);
args = _.rest(arguments, 2);
__a = []; __b = obj;
for (__c = 0; __c < __b.length; __c++) {
val = __b[__c];
__a.push((method ? val[method] : val).apply(val, args));
_1 = []; _2 = obj;
for (_3 = 0; _3 < _2.length; _3++) {
val = _2[_3];
_1.push((method ? val[method] : val).apply(val, args));
}
return __a;
return _1;
};
// Convenience version of a common use case of map: fetching a property.
_.pluck = function pluck(obj, key) {
@@ -315,14 +315,14 @@
};
// Trim out all falsy values from an array.
_.compact = function compact(array) {
var __a, __b, __c, __d, __e, i;
__a = []; __d = 0; __e = array.length;
for (__c=0, i=__d; (__d <= __e ? i < __e : i > __e); (__d <= __e ? i += 1 : i -= 1), __c++) {
var _1, _2, _3, _4, _5, i;
_1 = []; _4 = 0; _5 = array.length;
for (_3=0, i=_4; (_4 <= _5 ? i < _5 : i > _5); (_4 <= _5 ? i += 1 : i -= 1), _3++) {
if (array[i]) {
__a.push(array[i]);
_1.push(array[i]);
}
}
return __a;
return _1;
};
// Return a completely flattened version of an array.
_.flatten = function flatten(array) {
@@ -336,26 +336,26 @@
};
// Return a version of the array that does not contain the specified value(s).
_.without = function without(array) {
var __a, __b, __c, val, values;
var _1, _2, _3, val, values;
var arguments = Array.prototype.slice.call(arguments, 0);
values = _.rest(arguments);
__a = []; __b = _.toArray(array);
for (__c = 0; __c < __b.length; __c++) {
val = __b[__c];
_1 = []; _2 = _.toArray(array);
for (_3 = 0; _3 < _2.length; _3++) {
val = _2[_3];
if (!_.include(values, val)) {
__a.push(val);
_1.push(val);
}
}
return __a;
return _1;
};
// Produce a duplicate-free version of the array. If the array has already
// been sorted, you have the option of using a faster algorithm.
_.uniq = function uniq(array, isSorted) {
var __a, el, i, memo;
var _1, el, i, memo;
memo = [];
__a = _.toArray(array);
for (i = 0; i < __a.length; i++) {
el = __a[i];
_1 = _.toArray(array);
for (i = 0; i < _1.length; i++) {
el = _1[i];
if (i === 0 || (isSorted === true ? _.last(memo) !== el : !_.include(memo, el))) {
memo.push(el);
}
@@ -377,12 +377,12 @@
// Zip together multiple lists into a single array -- elements that share
// an index go together.
_.zip = function zip() {
var __a, __b, __c, __d, i, length, results;
var _1, _2, _3, _4, i, length, results;
var arguments = Array.prototype.slice.call(arguments, 0);
length = _.max(_.pluck(arguments, 'length'));
results = new Array(length);
__c = 0; __d = length;
for (__b=0, i=__c; (__c <= __d ? i < __d : i > __d); (__c <= __d ? i += 1 : i -= 1), __b++) {
_3 = 0; _4 = length;
for (_2=0, i=_3; (_3 <= _4 ? i < _4 : i > _4); (_3 <= _4 ? i += 1 : i -= 1), _2++) {
results[i] = _.pluck(arguments, String(i));
}
return results;
@@ -427,7 +427,7 @@
// the native Python range() function. See:
// http://docs.python.org/library/functions.html#range
_.range = function range(start, stop, step) {
var __a, a, i, idx, len, range, solo;
var _1, a, i, idx, len, range, solo;
var arguments = Array.prototype.slice.call(arguments, 0);
a = arguments;
solo = a.length <= 1;
@@ -440,7 +440,7 @@
}
range = new Array(len);
idx = 0;
__a = [];
_1 = [];
while (true) {
if ((step > 0 ? i - stop : stop - i) >= 0) {
return range;
@@ -449,7 +449,7 @@
idx++;
i += step;
}
return __a;
return _1;
};
// ----------------------- Function Functions: -----------------------------
// Create a function bound to a given object (assigning 'this', and arguments,
@@ -506,11 +506,11 @@
var arguments = Array.prototype.slice.call(arguments, 0);
funcs = arguments;
return (function() {
var __a, __b, __c, __d, args, i;
var _1, _2, _3, _4, args, i;
var arguments = Array.prototype.slice.call(arguments, 0);
args = arguments;
__c = (funcs.length - 1); __d = 0;
for (__b=0, i=__c; (__c <= __d ? i <= __d : i >= __d); (__c <= __d ? i += 1 : i -= 1), __b++) {
_3 = (funcs.length - 1); _4 = 0;
for (_2=0, i=_3; (_3 <= _4 ? i <= _4 : i >= _4); (_3 <= _4 ? i += 1 : i -= 1), _2++) {
args = [funcs[i].apply(this, args)];
}
return args[0];
@@ -519,16 +519,16 @@
// ------------------------- Object Functions: ----------------------------
// Retrieve the names of an object's properties.
_.keys = function keys(obj) {
var __a, __b, key, val;
var _1, _2, key, val;
if (_.isArray(obj)) {
return _.range(0, obj.length);
}
__a = []; __b = obj;
for (key in __b) if (__hasProp.call(__b, key)) {
val = __b[key];
__a.push(key);
_1 = []; _2 = obj;
for (key in _2) if (__hasProp.call(_2, key)) {
val = _2[key];
_1.push(key);
}
return __a;
return _1;
};
// Retrieve the values of an object's properties.
_.values = function values(obj) {
@@ -542,10 +542,10 @@
};
// Extend a given object with all of the properties in a source object.
_.extend = function extend(destination, source) {
var __a, key, val;
__a = source;
for (key in __a) if (__hasProp.call(__a, key)) {
val = __a[key];
var _1, key, val;
_1 = source;
for (key in _1) if (__hasProp.call(_1, key)) {
val = _1[key];
destination[key] = val;
}
return destination;