|
|
/**
|
|
* Require the given path.
|
|
*
|
|
* @param {String} path
|
|
* @return {Object} exports
|
|
* @api public
|
|
*/
|
|
|
|
function require(path, parent, orig) {
|
|
var resolved = require.resolve(path);
|
|
|
|
// lookup failed
|
|
if (null == resolved) {
|
|
orig = orig || path;
|
|
parent = parent || 'root';
|
|
var err = new Error('Failed to require "' + orig + '" from "' + parent + '"');
|
|
err.path = orig;
|
|
err.parent = parent;
|
|
err.require = true;
|
|
throw err;
|
|
}
|
|
|
|
var module = require.modules[resolved];
|
|
|
|
// perform real require()
|
|
// by invoking the module's
|
|
// registered function
|
|
if (!module.exports) {
|
|
module.exports = {};
|
|
module.client = module.component = true;
|
|
module.call(this, module.exports, require.relative(resolved), module);
|
|
}
|
|
|
|
return module.exports;
|
|
}
|
|
|
|
/**
|
|
* Registered modules.
|
|
*/
|
|
|
|
require.modules = {};
|
|
|
|
/**
|
|
* Registered aliases.
|
|
*/
|
|
|
|
require.aliases = {};
|
|
|
|
/**
|
|
* Resolve `path`.
|
|
*
|
|
* Lookup:
|
|
*
|
|
* - PATH/index.js
|
|
* - PATH.js
|
|
* - PATH
|
|
*
|
|
* @param {String} path
|
|
* @return {String} path or null
|
|
* @api private
|
|
*/
|
|
|
|
require.resolve = function(path) {
|
|
if (path.charAt(0) === '/') path = path.slice(1);
|
|
var index = path + '/index.js';
|
|
|
|
var paths = [
|
|
path,
|
|
path + '.js',
|
|
path + '.json',
|
|
path + '/index.js',
|
|
path + '/index.json'
|
|
];
|
|
|
|
for (var i = 0; i < paths.length; i++) {
|
|
var path = paths[i];
|
|
if (require.modules.hasOwnProperty(path)) return path;
|
|
}
|
|
|
|
if (require.aliases.hasOwnProperty(index)) {
|
|
return require.aliases[index];
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Normalize `path` relative to the current path.
|
|
*
|
|
* @param {String} curr
|
|
* @param {String} path
|
|
* @return {String}
|
|
* @api private
|
|
*/
|
|
|
|
require.normalize = function(curr, path) {
|
|
var segs = [];
|
|
|
|
if ('.' != path.charAt(0)) return path;
|
|
|
|
curr = curr.split('/');
|
|
path = path.split('/');
|
|
|
|
for (var i = 0; i < path.length; ++i) {
|
|
if ('..' == path[i]) {
|
|
curr.pop();
|
|
} else if ('.' != path[i] && '' != path[i]) {
|
|
segs.push(path[i]);
|
|
}
|
|
}
|
|
|
|
return curr.concat(segs).join('/');
|
|
};
|
|
|
|
/**
|
|
* Register module at `path` with callback `definition`.
|
|
*
|
|
* @param {String} path
|
|
* @param {Function} definition
|
|
* @api private
|
|
*/
|
|
|
|
require.register = function(path, definition) {
|
|
require.modules[path] = definition;
|
|
};
|
|
|
|
/**
|
|
* Alias a module definition.
|
|
*
|
|
* @param {String} from
|
|
* @param {String} to
|
|
* @api private
|
|
*/
|
|
|
|
require.alias = function(from, to) {
|
|
if (!require.modules.hasOwnProperty(from)) {
|
|
throw new Error('Failed to alias "' + from + '", it does not exist');
|
|
}
|
|
require.aliases[to] = from;
|
|
};
|
|
|
|
/**
|
|
* Return a require function relative to the `parent` path.
|
|
*
|
|
* @param {String} parent
|
|
* @return {Function}
|
|
* @api private
|
|
*/
|
|
|
|
require.relative = function(parent) {
|
|
var p = require.normalize(parent, '..');
|
|
|
|
/**
|
|
* lastIndexOf helper.
|
|
*/
|
|
|
|
function lastIndexOf(arr, obj) {
|
|
var i = arr.length;
|
|
while (i--) {
|
|
if (arr[i] === obj) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* The relative require() itself.
|
|
*/
|
|
|
|
function localRequire(path) {
|
|
var resolved = localRequire.resolve(path);
|
|
return require(resolved, parent, path);
|
|
}
|
|
|
|
/**
|
|
* Resolve relative to the parent.
|
|
*/
|
|
|
|
localRequire.resolve = function(path) {
|
|
var c = path.charAt(0);
|
|
if ('/' == c) return path.slice(1);
|
|
if ('.' == c) return require.normalize(p, path);
|
|
|
|
// resolve deps by returning
|
|
// the dep in the nearest "deps"
|
|
// directory
|
|
var segs = parent.split('/');
|
|
var i = lastIndexOf(segs, 'deps') + 1;
|
|
if (!i) i = 0;
|
|
path = segs.slice(0, i + 1).join('/') + '/deps/' + path;
|
|
return path;
|
|
};
|
|
|
|
/**
|
|
* Check if module is defined at `path`.
|
|
*/
|
|
|
|
localRequire.exists = function(path) {
|
|
return require.modules.hasOwnProperty(localRequire.resolve(path));
|
|
};
|
|
|
|
return localRequire;
|
|
};
|
|
require.register("isarray/index.js", function(exports, require, module){
|
|
module.exports = Array.isArray || function (arr) {
|
|
return Object.prototype.toString.call(arr) == '[object Array]';
|
|
};
|
|
|
|
});
|
|
require.alias("isarray/index.js", "isarray/index.js");
|
|
|