mmir-webpack/runtime/webpackLoadFile.js

Integration for MMIR library in webpack builds

/**
 * HELPER "proxy" for mmirf/util/loadFile:
 *        check, if webpack has inlined the request resource
 *        -> is yes: return the inlined data
 *        -> if no: invoke the original loadFile implementation
 */

//retrieve the original implementation of loadFile (will be handled/redirected by webpack.NormalModuleReplacementPlugin)
var orig_loadFile = require('mmirf/util/loadFile__webpack_proxied');

//retrive the inlined resouces:
var settings = require('build-tool/webpack-app-config').settings;

var logger = require('mmirf/logger').create('mmirf/util/loadInlineResource');

function isInlined(url){
    return !!settings[url];
}

function invoke(isAsync, func, args){
    if(isAsync){
        setTimeout(function(){
            func.apply(null, args);
        }, 0);
    } else {
        func.apply(null, args);
    }
}

/**
 *
 * @param options
 * <pre>
 * {
 * 	url: STRING,
 * 	dataType: 'text' | 'json' | 'xml',
 * 	async: true | false,
 * 	success: function(data: STRING | OBJECT),
 * 	error: function(xhr, statusString, error),
 * 	data: SERIALZED_DATA_STRING
 * }
 * </pre>
 *
 */
module.exports = function(options){

    if(isInlined(options.url)){

        logger.debug('loading inline resource '+options.url);

        try {
            var result = settings[options.url];//require(options.url);
            options.success && invoke(options.async !== false, options.success, [result]);
        } catch(err){
            options.error && invoke(options.async !== false, options.error, [err, 'error', err+'']);
        }

    } else {

        return orig_loadFile(options);
    }

}