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December 17, 2012 12:22
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/** | |
* almond 0.2.3 Copyright (c) 2011-2012, The Dojo Foundation All Rights Reserved. | |
* Available via the MIT or new BSD license. | |
* see: http://github.com/jrburke/almond for details | |
*/ | |
//Going sloppy to avoid 'use strict' string cost, but strict practices should | |
//be followed. | |
/*jslint sloppy: true */ | |
/*global setTimeout: false */ | |
var requirejs, require, define; | |
(function (undef) { | |
var main, req, makeMap, handlers, | |
defined = {}, | |
waiting = {}, | |
config = {}, | |
defining = {}, | |
hasOwn = Object.prototype.hasOwnProperty, | |
aps = [].slice; | |
function hasProp(obj, prop) { | |
return hasOwn.call(obj, prop); | |
} | |
/** | |
* Given a relative module name, like ./something, normalize it to | |
* a real name that can be mapped to a path. | |
* @param {String} name the relative name | |
* @param {String} baseName a real name that the name arg is relative | |
* to. | |
* @returns {String} normalized name | |
*/ | |
function normalize(name, baseName) { | |
var nameParts, nameSegment, mapValue, foundMap, | |
foundI, foundStarMap, starI, i, j, part, | |
baseParts = baseName && baseName.split("/"), | |
map = config.map, | |
starMap = (map && map['*']) || {}; | |
//Adjust any relative paths. | |
if (name && name.charAt(0) === ".") { | |
//If have a base name, try to normalize against it, | |
//otherwise, assume it is a top-level require that will | |
//be relative to baseUrl in the end. | |
if (baseName) { | |
//Convert baseName to array, and lop off the last part, | |
//so that . matches that "directory" and not name of the baseName's | |
//module. For instance, baseName of "one/two/three", maps to | |
//"one/two/three.js", but we want the directory, "one/two" for | |
//this normalization. | |
baseParts = baseParts.slice(0, baseParts.length - 1); | |
name = baseParts.concat(name.split("/")); | |
//start trimDots | |
for (i = 0; i < name.length; i += 1) { | |
part = name[i]; | |
if (part === ".") { | |
name.splice(i, 1); | |
i -= 1; | |
} else if (part === "..") { | |
if (i === 1 && (name[2] === '..' || name[0] === '..')) { | |
//End of the line. Keep at least one non-dot | |
//path segment at the front so it can be mapped | |
//correctly to disk. Otherwise, there is likely | |
//no path mapping for a path starting with '..'. | |
//This can still fail, but catches the most reasonable | |
//uses of .. | |
break; | |
} else if (i > 0) { | |
name.splice(i - 1, 2); | |
i -= 2; | |
} | |
} | |
} | |
//end trimDots | |
name = name.join("/"); | |
} else if (name.indexOf('./') === 0) { | |
// No baseName, so this is ID is resolved relative | |
// to baseUrl, pull off the leading dot. | |
name = name.substring(2); | |
} | |
} | |
//Apply map config if available. | |
if ((baseParts || starMap) && map) { | |
nameParts = name.split('/'); | |
for (i = nameParts.length; i > 0; i -= 1) { | |
nameSegment = nameParts.slice(0, i).join("/"); | |
if (baseParts) { | |
//Find the longest baseName segment match in the config. | |
//So, do joins on the biggest to smallest lengths of baseParts. | |
for (j = baseParts.length; j > 0; j -= 1) { | |
mapValue = map[baseParts.slice(0, j).join('/')]; | |
//baseName segment has config, find if it has one for | |
//this name. | |
if (mapValue) { | |
mapValue = mapValue[nameSegment]; | |
if (mapValue) { | |
//Match, update name to the new value. | |
foundMap = mapValue; | |
foundI = i; | |
break; | |
} | |
} | |
} | |
} | |
if (foundMap) { | |
break; | |
} | |
//Check for a star map match, but just hold on to it, | |
//if there is a shorter segment match later in a matching | |
//config, then favor over this star map. | |
if (!foundStarMap && starMap && starMap[nameSegment]) { | |
foundStarMap = starMap[nameSegment]; | |
starI = i; | |
} | |
} | |
if (!foundMap && foundStarMap) { | |
foundMap = foundStarMap; | |
foundI = starI; | |
} | |
if (foundMap) { | |
nameParts.splice(0, foundI, foundMap); | |
name = nameParts.join('/'); | |
} | |
} | |
return name; | |
} | |
function makeRequire(relName, forceSync) { | |
return function () { | |
//A version of a require function that passes a moduleName | |
//value for items that may need to | |
//look up paths relative to the moduleName | |
return req.apply(undef, aps.call(arguments, 0).concat([relName, forceSync])); | |
}; | |
} | |
function makeNormalize(relName) { | |
return function (name) { | |
return normalize(name, relName); | |
}; | |
} | |
function makeLoad(depName) { | |
return function (value) { | |
defined[depName] = value; | |
}; | |
} | |
function callDep(name) { | |
if (hasProp(waiting, name)) { | |
var args = waiting[name]; | |
delete waiting[name]; | |
defining[name] = true; | |
main.apply(undef, args); | |
} | |
if (!hasProp(defined, name) && !hasProp(defining, name)) { | |
throw new Error('No ' + name); | |
} | |
return defined[name]; | |
} | |
//Turns a plugin!resource to [plugin, resource] | |
//with the plugin being undefined if the name | |
//did not have a plugin prefix. | |
function splitPrefix(name) { | |
var prefix, | |
index = name ? name.indexOf('!') : -1; | |
if (index > -1) { | |
prefix = name.substring(0, index); | |
name = name.substring(index + 1, name.length); | |
} | |
return [prefix, name]; | |
} | |
/** | |
* Makes a name map, normalizing the name, and using a plugin | |
* for normalization if necessary. Grabs a ref to plugin | |
* too, as an optimization. | |
*/ | |
makeMap = function (name, relName) { | |
var plugin, | |
parts = splitPrefix(name), | |
prefix = parts[0]; | |
name = parts[1]; | |
if (prefix) { | |
prefix = normalize(prefix, relName); | |
plugin = callDep(prefix); | |
} | |
//Normalize according | |
if (prefix) { | |
if (plugin && plugin.normalize) { | |
name = plugin.normalize(name, makeNormalize(relName)); | |
} else { | |
name = normalize(name, relName); | |
} | |
} else { | |
name = normalize(name, relName); | |
parts = splitPrefix(name); | |
prefix = parts[0]; | |
name = parts[1]; | |
if (prefix) { | |
plugin = callDep(prefix); | |
} | |
} | |
//Using ridiculous property names for space reasons | |
return { | |
f: prefix ? prefix + '!' + name : name, //fullName | |
n: name, | |
pr: prefix, | |
p: plugin | |
}; | |
}; | |
function makeConfig(name) { | |
return function () { | |
return (config && config.config && config.config[name]) || {}; | |
}; | |
} | |
handlers = { | |
require: function (name) { | |
return makeRequire(name); | |
}, | |
exports: function (name) { | |
var e = defined[name]; | |
if (typeof e !== 'undefined') { | |
return e; | |
} else { | |
return (defined[name] = {}); | |
} | |
}, | |
module: function (name) { | |
return { | |
id: name, | |
uri: '', | |
exports: defined[name], | |
config: makeConfig(name) | |
}; | |
} | |
}; | |
main = function (name, deps, callback, relName) { | |
var cjsModule, depName, ret, map, i, | |
args = [], | |
usingExports; | |
//Use name if no relName | |
relName = relName || name; | |
//Call the callback to define the module, if necessary. | |
if (typeof callback === 'function') { | |
//Pull out the defined dependencies and pass the ordered | |
//values to the callback. | |
//Default to [require, exports, module] if no deps | |
deps = !deps.length && callback.length ? ['require', 'exports', 'module'] : deps; | |
for (i = 0; i < deps.length; i += 1) { | |
map = makeMap(deps[i], relName); | |
depName = map.f; | |
//Fast path CommonJS standard dependencies. | |
if (depName === "require") { | |
args[i] = handlers.require(name); | |
} else if (depName === "exports") { | |
//CommonJS module spec 1.1 | |
args[i] = handlers.exports(name); | |
usingExports = true; | |
} else if (depName === "module") { | |
//CommonJS module spec 1.1 | |
cjsModule = args[i] = handlers.module(name); | |
} else if (hasProp(defined, depName) || | |
hasProp(waiting, depName) || | |
hasProp(defining, depName)) { | |
args[i] = callDep(depName); | |
} else if (map.p) { | |
map.p.load(map.n, makeRequire(relName, true), makeLoad(depName), {}); | |
args[i] = defined[depName]; | |
} else { | |
throw new Error(name + ' missing ' + depName); | |
} | |
} | |
ret = callback.apply(defined[name], args); | |
if (name) { | |
//If setting exports via "module" is in play, | |
//favor that over return value and exports. After that, | |
//favor a non-undefined return value over exports use. | |
if (cjsModule && cjsModule.exports !== undef && | |
cjsModule.exports !== defined[name]) { | |
defined[name] = cjsModule.exports; | |
} else if (ret !== undef || !usingExports) { | |
//Use the return value from the function. | |
defined[name] = ret; | |
} | |
} | |
} else if (name) { | |
//May just be an object definition for the module. Only | |
//worry about defining if have a module name. | |
defined[name] = callback; | |
} | |
}; | |
requirejs = require = req = function (deps, callback, relName, forceSync, alt) { | |
if (typeof deps === "string") { | |
if (handlers[deps]) { | |
//callback in this case is really relName | |
return handlers[deps](callback); | |
} | |
//Just return the module wanted. In this scenario, the | |
//deps arg is the module name, and second arg (if passed) | |
//is just the relName. | |
//Normalize module name, if it contains . or .. | |
return callDep(makeMap(deps, callback).f); | |
} else if (!deps.splice) { | |
//deps is a config object, not an array. | |
config = deps; | |
if (callback.splice) { | |
//callback is an array, which means it is a dependency list. | |
//Adjust args if there are dependencies | |
deps = callback; | |
callback = relName; | |
relName = null; | |
} else { | |
deps = undef; | |
} | |
} | |
//Support require(['a']) | |
callback = callback || function () {}; | |
//If relName is a function, it is an errback handler, | |
//so remove it. | |
if (typeof relName === 'function') { | |
relName = forceSync; | |
forceSync = alt; | |
} | |
//Simulate async callback; | |
if (forceSync) { | |
main(undef, deps, callback, relName); | |
} else { | |
setTimeout(function () { | |
main(undef, deps, callback, relName); | |
}, 15); | |
} | |
return req; | |
}; | |
/** | |
* Just drops the config on the floor, but returns req in case | |
* the config return value is used. | |
*/ | |
req.config = function (cfg) { | |
config = cfg; | |
return req; | |
}; | |
define = function (name, deps, callback) { | |
//This module may not have dependencies | |
if (!deps.splice) { | |
//deps is not an array, so probably means | |
//an object literal or factory function for | |
//the value. Adjust args. | |
callback = deps; | |
deps = []; | |
} | |
if (!hasProp(defined, name) && !hasProp(waiting, name)) { | |
waiting[name] = [name, deps, callback]; | |
} | |
}; | |
define.amd = { | |
jQuery: true | |
}; | |
}()); | |
define("almond", function(){}); | |
// Generated by CoffeeScript 1.4.0 | |
define('test',[],function() { | |
return console.log('loaded'); | |
}); |
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