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handlebars precompiler for rhino
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| importPackage(java.io); | |
| (function(args) { | |
| var templateFileExtension = 'handlebars', | |
| output = ['// This file is auto-generated and should be ignored from version control.\n'], | |
| console = { | |
| log: print | |
| }, | |
| showUsage = function() { | |
| console.log('Usage: java -jar <rhino.jar> rhino-handlebars-compiler.js --handlebars <handlebars library path> --templates <templates directory> --output <output file>'); | |
| }, | |
| handlebarsLibrary, | |
| templatesDirectory, | |
| outputFile, | |
| templateFiles, | |
| outStream, | |
| index, | |
| templateFile, | |
| templateContents, | |
| argumentsParser, | |
| options; | |
| argumentsParser = function() { | |
| var arg, parse = function(args) { | |
| var options = {}; | |
| args = Array.prototype.slice.call(args); | |
| arg = args.shift(); | |
| while (arg) { | |
| if (arg.indexOf("--") === 0) { | |
| options[arg.substring(2)] = args.shift(); | |
| } | |
| arg = args.shift(); | |
| } | |
| return options; | |
| }; | |
| return { parse: parse }; | |
| }; | |
| options = new argumentsParser().parse(args); | |
| handlebarsLibrary = options.handlebars; | |
| templatesDirectory = options.templates; | |
| outputFile = options.output; | |
| templateFiles = new File(templatesDirectory).listFiles(); | |
| outStream = new BufferedWriter(new FileWriter(outputFile)); | |
| if (undefined === handlebarsLibrary || undefined === templatesDirectory) { | |
| showUsage(); | |
| java.lang.System.exit(1); | |
| } | |
| load(handlebarsLibrary); | |
| output.push('(function(){'); | |
| output.push('\n var template = Handlebars.template, templates = Handlebars.templates = Handlebars.templates || {};\n'); | |
| templateFiles = templateFiles.filter(function(fileName) { | |
| return(fileName.getName().substr(-11) === ("." + templateFileExtension)); | |
| }); | |
| for (index = 0; index < templateFiles.length; index++) { | |
| templateFile = templateFiles[index]; | |
| templateName = templateFile.getName().replaceAll(('\\.' + templateFileExtension + '$'), ''); | |
| templateContents = Handlebars.precompile(readFile(templateFile.getAbsolutePath())); | |
| output.push(' templates[\'' + templateName + '\'] = template(' + templateContents + ');\n'); | |
| } | |
| output.push('}());'); | |
| outStream.write(output.join('')); | |
| outStream.close(); | |
| }(arguments)); |
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