raptor/lib/raptor/raptor-main_node.js

RaptorJS provides an AMD module loader that works in Node, Rhino and the web browser. It also includes various sub-modules to support building optimized web applications.

"use strict";
/*jshint strict:false */
/* global define: true */ 
    
var raptor;
var path = require('path');

raptor = global.__raptor;

/**
 * Searches for modules that are nested one-level deep and
 * reads the package.json file to determine if any
 * the RaptorJS resource search path needs to be updated.
 *
 * @param  {files/file/File} dir The module directory
 * @return {void}
 */
function enableNestedRaptorModules(raptor, dir) {
    var resources = raptor.require('raptor/resources');
    var packaging = raptor.require('raptor/packaging');
    var File = raptor.require('raptor/files/File');
    
    var nestedModuleDirs = dir.listFiles();
    nestedModuleDirs.forEach(function(nestedDir) {
        var isDir;

        try
        {
            isDir = nestedDir.isDirectory();    
        }
        catch(e) {
            return;
        }
        

        if (isDir) {
            var packageJsonFile = new File(nestedDir, "package.json");
            if (packageJsonFile.exists()) {
                var packageResource = resources.createFileResource(packageJsonFile);
                var packageManifest = packaging.getPackageManifest(packageResource);
                resources.addSearchPathsFromManifest(packageManifest);
            }
        }
    });
}

function installRaptor() {
    raptor = require('./raptor_server.js').load('node');
    var File = raptor.require('raptor/files/File');
    var resources = raptor.require('raptor/resources');
    var searchPathEntry = resources.getSearchPath().addDir(new File(__dirname).getParent());
    raptor.setModuleSearchPath('raptor', searchPathEntry);


    

    // Discover RaptorJS modules in the node_modules directory:

    // If node is installed into an app as a top-level module using "npm install" (and not "npm link") then
    // current directory will be <project-dir>/node_modules/raptor/lib/raptor
    var node_modulesDir = new File(path.join(__dirname, '../../../')); // Walk up three directories to find the "node_modules" dir
    if (node_modulesDir.exists() && node_modulesDir.getName() === 'node_modules') {
        enableNestedRaptorModules(raptor, node_modulesDir);
    }
    else {
        // As a back up look in for a "node_modules" directory in the CWD for the process
        node_modulesDir = new File(path.join(process.cwd(), 'node_modules'));
        if (node_modulesDir.exists()) {
            enableNestedRaptorModules(raptor, node_modulesDir);
        }
    }
}

if (!raptor) {
    installRaptor();
}


module.exports = raptor;