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modified shorter imlementation of bind

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This commit is contained in:
Jeremy Ashkenas
2010-03-30 18:49:55 -04:00
parent f0d731009f
commit 4936211a9c
4 changed files with 7 additions and 16 deletions
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7
lib/nodes.js
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@@ -12,11 +12,8 @@
(to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)
];
}, __bind = function(func, obj, args) {
obj = obj || {};
return (typeof args !== 'undefined' && args !== null) ? function() {
return func.apply(obj, args.concat(__slice.call(arguments, 0)));
} : function() {
return func.apply(obj, arguments);
return function() {
return func.apply(obj || {}, args ? args.concat(__slice.call(arguments, 0)) : arguments);
};
}, __slice = Array.prototype.slice;
// `nodes.coffee` contains all of the node classes for the syntax tree. Most

7
lib/rewriter.js
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@@ -1,11 +1,8 @@
(function(){
var BALANCED_PAIRS, EXPRESSION_CLOSE, EXPRESSION_END, EXPRESSION_START, IMPLICIT_BLOCK, IMPLICIT_CALL, IMPLICIT_END, IMPLICIT_FUNC, INVERSES, Rewriter, SINGLE_CLOSERS, SINGLE_LINERS, _a, _b, _c, _d, _e, _f, _g, _h, _i, _j, _k, helpers, include, pair;
var __bind = function(func, obj, args) {
obj = obj || {};
return (typeof args !== 'undefined' && args !== null) ? function() {
return func.apply(obj, args.concat(__slice.call(arguments, 0)));
} : function() {
return func.apply(obj, arguments);
return function() {
return func.apply(obj || {}, args ? args.concat(__slice.call(arguments, 0)) : arguments);
};
}, __slice = Array.prototype.slice, __hasProp = Object.prototype.hasOwnProperty;
// The CoffeeScript language has a good deal of optional syntax, implicit syntax,

2
lib/utilities.js
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@@ -16,7 +16,7 @@
};
utilities.functions = {
extend: "function(child, parent) {\n var ctor = function(){ };\n ctor.prototype = parent.prototype;\n child.__superClass__ = parent.prototype;\n child.prototype = new ctor();\n child.prototype.constructor = child;\n}",
bind: "function(func, obj, args) {\n obj = obj || {};\n return (typeof args !== 'undefined' && args !== null) ? function() {\n return func.apply(obj, args.concat(" + (utilities.key('slice')) + ".call(arguments, 0)));\n } : function() {\n return func.apply(obj, arguments);\n };\n}",
bind: "function(func, obj, args) {\n return function() {\n return func.apply(obj || {}, args ? args.concat(" + (utilities.key('slice')) + ".call(arguments, 0)) : arguments);\n };\n}",
range: "function(array, from, to, exclusive) {\n return [\n (from < 0 ? from + array.length : from || 0),\n (to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)\n ];\n}",
hasProp: 'Object.prototype.hasOwnProperty',
slice: 'Array.prototype.slice'

7
src/utilities.coffee
View File

@@ -25,11 +25,8 @@ exports.utilities: class utilities
bind: """
function(func, obj, args) {
obj = obj || {};
return (typeof args !== 'undefined' && args !== null) ? function() {
return func.apply(obj, args.concat(${utilities.key('slice')}.call(arguments, 0)));
} : function() {
return func.apply(obj, arguments);
return function() {
return func.apply(obj || {}, args ? args.concat(${utilities.key('slice')}.call(arguments, 0)) : arguments);
};
}
"""