lmd/examples/plugins/async/index.lmd.js

LMD: Lazy Module Declaration

// This file was automatically generated from "index.lmd.json"
(function (global, main, modules, modules_options, options) {
    var initialized_modules = {},
        global_eval = function (code) {
            return global.Function('return ' + code)();
        },
        global_noop = function () {},
        global_document = global.document,
        local_undefined,
        /**
         * @param {String} moduleName module name or path to file
         * @param {*}      module module content
         *
         * @returns {*}
         */
        register_module = function (moduleName, module) {
            lmd_trigger('lmd-register:before-register', moduleName, module);
            // Predefine in case of recursive require
            var output = {'exports': {}};
            initialized_modules[moduleName] = 1;
            modules[moduleName] = output.exports;

            if (!module) {
                // if undefined - try to pick up module from globals (like jQuery)
                // or load modules from nodejs/worker environment
                module = lmd_trigger('js:request-environment-module', moduleName, module)[1] || global[moduleName];
            } else if (typeof module === 'function') {
                // Ex-Lazy LMD module or unpacked module ("pack": false)
                var module_require = lmd_trigger('lmd-register:decorate-require', moduleName, lmd_require)[1];

                // Make sure that sandboxed modules cant require
                if (modules_options[moduleName] &&
                    modules_options[moduleName].sandbox &&
                    typeof module_require === 'function') {

                    module_require = local_undefined;
                }

                module = module(module_require, output.exports, output) || output.exports;
            }

            module = lmd_trigger('lmd-register:after-register', moduleName, module)[1];
            return modules[moduleName] = module;
        },
        /**
         * List of All lmd Events
         *
         * @important Do not rename it!
         */
        lmd_events = {},
        /**
         * LMD event trigger function
         *
         * @important Do not rename it!
         */
        lmd_trigger = function (event, data, data2, data3) {
            var list = lmd_events[event],
                result;

            if (list) {
                for (var i = 0, c = list.length; i < c; i++) {
                    result = list[i](data, data2, data3) || result;
                    if (result) {
                        // enable decoration
                        data = result[0] || data;
                        data2 = result[1] || data2;
                        data3 = result[2] || data3;
                    }
                }
            }
            return result || [data, data2, data3];
        },
        /**
         * LMD event register function
         *
         * @important Do not rename it!
         */
        lmd_on = function (event, callback) {
            if (!lmd_events[event]) {
                lmd_events[event] = [];
            }
            lmd_events[event].push(callback);
        },
        /**
         * @param {String} moduleName module name or path to file
         *
         * @returns {*}
         */
        lmd_require = function (moduleName) {
            var module = modules[moduleName];

            var replacement = lmd_trigger('*:rewrite-shortcut', moduleName, module);
            if (replacement) {
                moduleName = replacement[0];
                module = replacement[1];
            }

            lmd_trigger('*:before-check', moduleName, module);
            // Already inited - return as is
            if (initialized_modules[moduleName] && module) {
                return module;
            }

            lmd_trigger('*:before-init', moduleName, module);

            // Lazy LMD module not a string
            if (typeof module === 'string' && module.indexOf('(function(') === 0) {
                module = global_eval(module);
            }

            return register_module(moduleName, module);
        },
        output = {'exports': {}},

        /**
         * Sandbox object for plugins
         *
         * @important Do not rename it!
         */
        sandbox = {
            'global': global,
            'modules': modules,
            'modules_options': modules_options,
            'options': options,

            'eval': global_eval,
            'register': register_module,
            'require': lmd_require,
            'initialized': initialized_modules,

            'noop': global_noop,
            'document': global_document,
            
            

            'on': lmd_on,
            'trigger': lmd_trigger,
            'undefined': local_undefined
        };

    for (var moduleName in modules) {
        // reset module init flag in case of overwriting
        initialized_modules[moduleName] = 0;
    }

/**
 * @name sandbox
 */
(function (sb) {
    var domOnlyLoaders = {
        'css': true,
        'image': true
    };

    var reEvalable = /(java|ecma)script|json/,
        reJson = /json/;

    /**
      * Load off-package LMD module
      *
      * @param {String|Array} moduleName same origin path to LMD module
      * @param {Function}     [callback]   callback(result) undefined on error others on success
      */
    sb.on('*:preload', function (moduleName, callback, type) {
        var replacement = sb.trigger('*:request-off-package', moduleName, callback, type), // [[returnResult, moduleName, module, true], callback, type]
            returnResult = [replacement[0][0], callback, type];

        if (replacement[0][3]) { // isReturnASAP
            return returnResult;
        }

        var module = replacement[0][2],
            XMLHttpRequestConstructor = sb.global.XMLHttpRequest || sb.global.ActiveXObject;

        callback = replacement[1];
        moduleName = replacement[0][1];

        if (!XMLHttpRequestConstructor) {
            sb.trigger('preload:require-environment-file', moduleName, module, callback);
            return returnResult;
        }

        // Optimized tiny ajax get
        // @see https://gist.github.com/1625623
        var xhr = new XMLHttpRequestConstructor("Microsoft.XMLHTTP");
        xhr.onreadystatechange = function () {
            if (xhr.readyState == 4) {
                // 3. Check for correct status 200 or 0 - OK?
                if (xhr.status < 201) {
                    var contentType = xhr.getResponseHeader('content-type');
                    module = xhr.responseText;
                    if (reEvalable.test(contentType)) {
                        module = sb.trigger('*:wrap-module', moduleName, module, contentType)[1];
                        if (!reJson.test(contentType)) {
                            module = sb.trigger('*:coverage-apply', moduleName, module)[1];
                        }

                        sb.trigger('preload:before-callback', moduleName, module);
                        module = sb.eval(module);
                    } else {
                        sb.trigger('preload:before-callback', moduleName, module);
                    }

                    if (type === 'preload') {
                        // 4. Declare it
                        sb.modules[moduleName] = module;
                        // 5. Then callback it
                        callback(moduleName);
                    } else {
                        // 4. Callback it
                        callback(sb.register(moduleName, module));
                    }
                } else {
                    sb.trigger('*:request-error', moduleName, module);
                    callback();
                }
            }
        };
        xhr.open('get', moduleName);
        xhr.send();

        return returnResult;

    });

    /**
     * @event *:request-off-package
     *
     * @param {String}   moduleName
     * @param {Function} callback
     * @param {String}   type
     *
     * @retuns yes [asap, returnResult]
     */
    sb.on('*:request-off-package', function (moduleName, callback, type) {
        
        var returnResult = sb.require;
        callback = callback || sb.noop;

        if (typeof moduleName !== "string") {
            callback = sb.trigger('*:request-parallel', moduleName, callback, sb.require[type])[1];
            if (!callback) {
                return [[returnResult, moduleName, module, true], callback, type];
            }
        }

        var module = sb.modules[moduleName];

        var replacement = sb.trigger('*:rewrite-shortcut', moduleName, module);
        if (replacement) {
            moduleName = replacement[0];
            module = replacement[1];
        }

        sb.trigger('*:before-check', moduleName, module, type);
        // If module exists or its a node.js env
        if (module || (domOnlyLoaders[type] && !sb.document)) {
            callback(type === "preload" ? moduleName : sb.initialized[moduleName] ? module : sb.require(moduleName));
            return [[returnResult, moduleName, module, true], callback, type];
        }

        sb.trigger('*:before-init', moduleName, module);

        callback = sb.trigger('*:request-race', moduleName, callback)[1];
        // if already called
        if (!callback) {
            return [[returnResult, moduleName, module, true], callback, type]
        }

        return [[returnResult, moduleName, module, false], callback, type];
    });
}(sandbox));

/**
 * Async loader of off-package LMD modules (special LMD format file)
 *
 * @see /README.md near "LMD Modules types" for details
 *
 * Flag "async"
 *
 * This plugin provides require.async() function
 */
/**
 * @name sandbox
 */
(function (sb) {
    /**
     * Load off-package LMD module
     *
     * @param {String|Array} moduleName same origin path to LMD module
     * @param {Function}     [callback]   callback(result) undefined on error others on success
     */
    sb.require.async = function (moduleName, callback) {
        return sb.trigger('*:preload', moduleName, callback, 'async')[0];
    };

}(sandbox));

/**
 * This plugin enables shortcuts
 *
 * Flag "shortcuts"
 *
 * This plugin provides private "is_shortcut" function
 */

/**
 * @name sandbox
 */
(function (sb) {

function is_shortcut(moduleName, moduleContent) {
    return !sb.initialized[moduleName] &&
           typeof moduleContent === "string" &&
           moduleContent.charAt(0) == '@';
}

function rewrite_shortcut(moduleName, module) {
    if (is_shortcut(moduleName, module)) {
        sb.trigger('shortcuts:before-resolve', moduleName, module);

        moduleName = module.replace('@', '');
        // #66 Shortcut self reference should be resolved as undefined->global name
        var newModule = sb.modules[moduleName];
        module = newModule === module ? sb.undefined : newModule;
    }
    return [moduleName, module];
}

    /**
     * @event *:rewrite-shortcut request for shortcut rewrite
     *
     * @param {String} moduleName race for module name
     * @param {String} module     this callback will be called when module inited
     *
     * @retuns yes returns modified moduleName and module itself
     */
sb.on('*:rewrite-shortcut', rewrite_shortcut);

    /**
     * @event *:rewrite-shortcut fires before stats plugin counts require same as *:rewrite-shortcut
     *        but without triggering shortcuts:before-resolve event
     *
     * @param {String} moduleName race for module name
     * @param {String} module     this callback will be called when module inited
     *
     * @retuns yes returns modified moduleName and module itself
     */
sb.on('stats:before-require-count', function (moduleName, module) {
    if (is_shortcut(moduleName, module)) {
        moduleName = module.replace('@', '');
        module = sb.modules[moduleName];

        return [moduleName, module];
    }
});

}(sandbox));



    main(lmd_trigger('lmd-register:decorate-require', 'main', lmd_require)[1], output.exports, output);
})/*DO NOT ADD ; !*/
(this,(function (require, exports, module) { /* wrapped by builder */
/**
 * LMD require.async() example
 */

$(function () {
    var $button = $('.b-button'),
        $result = $('.b-result'),
        $input = $('.b-input');

    function calculateSha512(sha512) {
        $result.val(sha512($input.val()));
    }

    $button.click(function () {
        // using shortcuts
        // sha512 -> js/sha512.js
        require.async("sha512", calculateSha512);
    });
});
}),{
"sha512": "@js/sha512.js"
},{},{});