dist/scalejs.core.js
function registerExtension(extension) {
    try {
        var ext; // Actual extension

        if (is(extension, 'buildCore', 'function')) {
            // If extension has buildCore function then give it an instance of the core.
            extension.buildCore(self);
            addOne(extensions, extension);
            return; // No need to extend as that will be handled in buildCore
        }

        if (is(extension, 'function')) {
            // If extension is a function then give it an instance of the core.
            ext = extension(self);
        } else if (has(extension, 'core')) {
            // If extension has `core` property then extend core with it.
            ext = extension.core;
        } else {
            // Otherwise extend core with the extension itself.
            ext = extension;
        }

        if (ext) {
            extend(self, ext);
            addOne(extensions, extension);
        }
    } catch (ex) {
        error('Fatal error during application initialization. ', 'Failed to build core with extension "', extension, 'See following exception for more details.', ex);
    }

    return extension;
}
function registerExtension(extension) {
    try {
        var ext; // Actual extension

        if (is(extension, 'buildCore', 'function')) {
            // If extension has buildCore function then give it an instance of the core.
            extension.buildCore(self);
            addOne(extensions, extension);
            return; // No need to extend as that will be handled in buildCore
        }

        if (is(extension, 'function')) {
            // If extension is a function then give it an instance of the core.
            ext = extension(self);
        } else if (has(extension, 'core')) {
            // If extension has `core` property then extend core with it.
            ext = extension.core;
        } else {
            // Otherwise extend core with the extension itself.
            ext = extension;
        }

        if (ext) {
            extend(self, ext);
            addOne(extensions, extension);
        }
    } catch (ex) {
        error('Fatal error during application initialization. ', 'Failed to build core with extension "', extension, 'See following exception for more details.', ex);
    }

    return extension;
}
function registerExtension ( extension ) { try { var ext ; // Actual extension if ( is ( extension , 'buildCore' , 'function' ) ) { // If extension has buildCore function then give it an instance of the core. extension . buildCore ( self ) ; addOne ( extensions , extension ) ; return ; // No need to extend as that will be handled in buildCore } if ( is ( extension , 'function' ) ) { // If extension is a function then give it an instance of the core. ext = extension ( self ) ; } else if ( has ( extension , 'core' ) ) { // If extension has `core` property then extend core with it. ext = extension . core ; } else { // Otherwise extend core with the extension itself. ext = extension ; } if ( ext ) { extend ( self , ext ) ; addOne ( extensions , extension ) ; } } catch ( ex ) { error ( 'Fatal error during application initialization. ' , 'Failed to build core with extension "' , extension , 'See following exception for more details.' , ex ) ; } return extension ; }
Registers an extension to the sandbox

@param {Function|Object} extension function to create the extension or
object representing the extension
@memberOf core
 
Provides core functionality of scalejs
@namespace scalejs.core
@module core
 /*global define
Registers an extension to the sandbox