react-bootstrap
Version:
Bootstrap 3 components build with React
331 lines (289 loc) • 11.6 kB
JavaScript
/**
* almond 0.1.2 Copyright (c) 2011, 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 defined = {},
waiting = {},
config = {},
defining = {},
aps = [].slice,
main, req;
/**
* 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 baseParts = baseName && baseName.split("/"),
map = config.map,
starMap = (map && map['*']) || {},
nameParts, nameSegment, mapValue, foundMap,
foundI, foundStarMap, starI, i, j, part;
//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; (part = name[i]); 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 ..
return true;
} else if (i > 0) {
name.splice(i - 1, 2);
i -= 2;
}
}
}
//end trimDots
name = name.join("/");
}
}
//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 (waiting.hasOwnProperty(name)) {
var args = waiting[name];
delete waiting[name];
defining[name] = true;
main.apply(undef, args);
}
if (!defined.hasOwnProperty(name)) {
throw new Error('No ' + name);
}
return defined[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.
*/
function makeMap(name, relName) {
var prefix, plugin,
index = name.indexOf('!');
if (index !== -1) {
prefix = normalize(name.slice(0, index), relName);
name = name.slice(index + 1);
plugin = callDep(prefix);
//Normalize according
if (plugin && plugin.normalize) {
name = plugin.normalize(name, makeNormalize(relName));
} else {
name = normalize(name, relName);
}
} else {
name = normalize(name, relName);
}
//Using ridiculous property names for space reasons
return {
f: prefix ? prefix + '!' + name : name, //fullName
n: name,
p: plugin
};
}
function makeConfig(name) {
return function () {
return (config && config.config && config.config[name]) || {};
};
}
main = function (name, deps, callback, relName) {
var args = [],
usingExports,
cjsModule, depName, ret, map, i;
//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++) {
map = makeMap(deps[i], relName);
depName = map.f;
//Fast path CommonJS standard dependencies.
if (depName === "require") {
args[i] = makeRequire(name);
} else if (depName === "exports") {
//CommonJS module spec 1.1
args[i] = defined[name] = {};
usingExports = true;
} else if (depName === "module") {
//CommonJS module spec 1.1
cjsModule = args[i] = {
id: name,
uri: '',
exports: defined[name],
config: makeConfig(name)
};
} else if (defined.hasOwnProperty(depName) || waiting.hasOwnProperty(depName)) {
args[i] = callDep(depName);
} else if (map.p) {
map.p.load(map.n, makeRequire(relName, true), makeLoad(depName), {});
args[i] = defined[depName];
} else if (!defining[depName]) {
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) {
if (typeof deps === "string") {
//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 () {};
//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 = [];
}
waiting[name] = [name, deps, callback];
};
define.amd = {
jQuery: true
};
}());