module.exports = function(grunt) { var path = require('path'); var fs = require('fs'); var amberc = require('../../bin/amberc.js'); /** A full example entry for a Gruntfile.js is available below. Please note that the verbose level is either specified globally or on a target specific level. However, it can additionally be triggered on the commandline by adding the '-v' or '--verbose' flag. Example Gruntfile.js entry: amberc: { options: { amber_dir: process.cwd(), // REQUIRED verbose: true // optional }, helloWorld: { options: { // the 'options' object is optional verbose: true }, src: ['projects/HelloWorld/st/HelloWorld.st'], // REQUIRED output_dir: 'projects/HelloWorld/js', // optional libraries: 'Canvas', // optional jsGlobals: ['global1', 'global2'], // optional main_class: 'HelloWorld', // optional output_name: 'helloWorld', // optional amd_namespace: 'MyNamespace', // optional (default: 'amber') main_file: 'myMain.js', // optional output_suffix: 'mySuffix', // optional library_suffix: '-0.9' // optional }, }, */ grunt.registerMultiTask('amberc', 'Compile Smalltalk files with the amberc compiler', function() { // mark task as async task var done = this.async(); var options = this.options({ amber_dir: undefined, verbose: grunt.option('verbose') || false }); this.data.verbose = options.verbose; // mark required properties this.requiresConfig('amberc.options.amber_dir'); // raise error on missing source files if (this.filesSrc.length === 0) { grunt.fail.fatal('No source files to compile or link.'); } // create and initialize amberc var compiler = new amberc.Compiler(grunt.config('amberc.options.amber_dir')); // generate the amberc configuration out of the given target properties var configuration = generateCompilerConfiguration(this.data, this.filesSrc, grunt.config('amberc.options.amber_dir')); // run the compiler and call the async callback once finished var self = this; compiler.main(configuration, function(){ // signal that task has finished done(); }); }); function generateCompilerConfiguration(data, sourceFiles, amber_dir) { var configuration = amberc.createDefaults(amber_dir); var parameters = []; var libraries = data.libraries; if (undefined !== libraries) { configuration.load = libraries; } var mainClass = data.main_class; if (undefined !== mainClass) { configuration.main = mainClass; } var mainFile = data.main_file; if (undefined !== mainFile) { configuration.mainfile = mainFile; } var outputSuffix = data.output_suffix; if (undefined !== outputSuffix) { configuration.suffix = outputSuffix; configuration.suffix_used = outputSuffix; } var librarySuffix = data.library_suffix; if (undefined !== librarySuffix) { configuration.loadsuffix = librarySuffix; configuration.suffix_used = librarySuffix; } if (undefined !== sourceFiles) { sourceFiles.forEach(function(currentItem){ var fileSuffix = path.extname(currentItem); switch (fileSuffix) { case '.st': configuration.stFiles.push(currentItem); break; case '.js': configuration.jsFiles.push(currentItem); break; } }); } var outputName = data.output_name; if (undefined !== outputName) { configuration.program = outputName; } var amdNamespace = data.amd_namespace; if (undefined !== amdNamespace) { configuration.amd_namespace = amdNamespace; } if (undefined !== data.output_dir) { configuration.output_dir = data.output_dir; } if (undefined !== data.jsGlobals) { configuration.jsGlobals.push.apply(configuration.jsGlobals, data.jsGlobals); } configuration.verbose = data.verbose; return configuration; } };