Koala compiler data structure

compiler.package.text

{
  // A version of the properties for displaying.
	// @optional
	// e.g. "Stylus"
	"name": "My",

	// The version of this extension.
	// @type {String}
	"version": "1.0.0",

	"compiler_version": "0.3.0",

	"koala": ">=1.5.0",

	// The file types defined by this package.
	// @type {Array.<FileType>|FileType}
	// @optional
	"file_type": [{
		"input": "my",
		"output": "txt",
		"icons": "./icon/my.png"
	},
	{
		"input": "me",
		"output": "txt",
		"icons": "./icon/me.png"
	}],

	// The relative path to the compiler class, relative to this file.
	// @type {String}
	"class_path": "MyCompiler.js",

	"use_system_command": false,

	"options": [
		{
			"type": "single",
			"name": "lineComments",
			"display": "line comments",
			"default": false
		},
		{
			"type": "single",
			"name": "debugInfo",
			"display": "debug info",
			"default": true
		},
		{
			"type": "multiple",
			"name": "outputStyle",
			"display": "output style",
			"values": [
				{
					"display": "normal",
					"value": ""
				},
				{
					"display": "compress",
					"value": "compress"
				},
				{
					"display": "yuicompress",
					"value": "yuicompress"
				}
			],
			"default": "compress"
		}
	],

	// The author info.
	// @type {Object}
	"maintainers": {
		"name": "",
		"email": "",
    	"web": "",
    	"project": "http://github.com/..."
	}
}

fileTypesAndCompilersObject.text

// file types object of Koala internal data structures
// var fileTypes = getAllFileTypes()
// console.log(fileTypes)
{
  "sass": {
		"output": "css",
		"icons": "./icon/sass.png",
		"compiler": "sass"
	},
	"scss": {
		"output": "css",
		"icons": "./icon/scss.png",
		"compiler": "sass"
	},
	"less": {
		"output": "css",
		"icons": "./icon/less.png",
		"compiler": "less"
	},
	"styl": {
		"output": "css",
		"icons": "./icon/jade.png",
		"compiler": "stylus"
	},
	"jade": {
		"output": "html",
		"icons": "./icon/jade.png",
		"compiler": "jade"
	}
}

// compilers object of Koala internal data structures
// var compilers = getAllCompilers()
// console.log(compilers)
{
  "less": {
		"name": "less",
		"version": "1.0.0",
		"compiler_version": "0.3.0",
		"koala": ">=1.5.0",
		"file_type": [{
			"input": "less",
			"output": "css",
			"icons": "../icon/my.png"
		}],
		"class_path": "LessCompiler.js",
		"use_system_command": false,
		"options": [
			{
				"type": "single",
				"name": "lineComments",
				"display": "line comments",
				"default": false
			},
			{
				"type": "single",
				"name": "debugInfo",
				"display": "debug info",
				"default": true
			},
			{
				"type": "multiple",
				"name": "outputStyle",
				"display": "output style",
				"values": [
					{
						"display": "normal",
						"value": ""
					},
					{
						"display": "compress",
						"value": "compress"
					},
					{
						"display": "yuicompress",
						"value": "yuicompress"
					}
				],
				"default": "compress"
			}
		]
	},
	"sass": {
		"name": "sass",
		"version": "1.0.0",
		"compiler_version": "0.3.0",
		"koala": ">=1.5.0",
		"file_type": [{
			"input": "sass",
			"output": "css",
			"icons": "../icon/sass.png"
		},{
			"input": "scss",
			"output": "css",
			"icons": "../icon/scss.png"
		}],
		"class_path": "SassCompiler.js",
		"use_system_command": false,
		"options": [
			// options here
		]
	}
}

projectManager.js

// create file object
var fileTypes = getAllFileTypes();
var compilers = getAllCompilers();

var creatFileObject = function (fileSrc, config) {
  var ext = path.extname(fileSrc).substr(1);
  var fileType = fileTypes[ext];
  var compiler = compilers[fileType.compiler];
  var output = fileSrc.replace(ext, fileType.output);
  
  var settings = {};
  //apply global settings
  if (appConfig[fileType.name]) {
      for (var key in appConfig[fileType.name]) {
          settings[key] = appConfig[fileType.name][key];
      }
  }

  //apply project settings
  for (var m in config.options) {
      settings[m] = config.options[m];
  }
  
  return {
      id: util.createRdStr(),      
      pid: '',                       
      type: compiler.name,         
      name: path.basename(fileSrc),
      src: fileSrc,                
      output: output,              
      compile: true,               
      settings: settings           
  }
}

In "compiler.package.text":

• I like "koala": ">=1.5.0"
• I don't like mixing "file types" with compilers
• I like the added ".js" in "class_path"
• I like the "options" structure
• I like the added "maintainers"

check this format for extension package.json