Templating for generating adaptors in place

bin/cylon

@@ -1,9 +1,11 @@
 #!/usr/bin/env node
 
 var program = require('commander'),
-    cylon = require('../package.json');
+    pkg = require('../package.json');
 
-program.version(cylon.version);
+program
+  .version(pkg.version)
+  .usage('[command] [options]');
 
 program
   .command("generate <name>")
@@ -11,3 +13,6 @@ program
   .action(function(name) { require('../src/generators/adaptor')(name) });
 
 program.parse(process.argv);
+
+// print help if no arguments were provided
+if(!program.args.length) { program.help(); }

package.json

@@ -19,6 +19,9 @@
       "type": "Apache 2.0"
     }
   ],
+  "bin": {
+    "cylon": "./bin/cylon"
+  },
   "devDependencies": {
     "matchdep": "~0.1.1",
     "grunt-contrib-jshint": "~0.6.0",
@@ -29,13 +32,16 @@
     "sinon-chai": "~2.4.0",
     "chai": "~1.7.2",
     "mocha": "~1.12.1",
-    "sinon": "~1.7.3",
-    "wrench": "~1.5.4",
-    "commander": "~2.1.0"
+    "sinon": "~1.7.3"
   },
   "dependencies": {
     "async": "~0.2.9",
     "node-namespace": "~1.0.0",
-    "express.io": "~1.1.13"
+    "express.io": "~1.1.13",
+
+    "wrench": "~1.5.4",
+    "glob": "~3.2.7",
+    "ejs": "~0.8.5",
+    "commander": "~2.1.0"
   }
 }

src/generators/adaptor.js

@@ -1,6 +1,9 @@
-var wrench = require('wrench');
-
-var adaptorName = "";
+var wrench = require('wrench'),
+    ejs = require('ejs'),
+    glob = require('glob'),
+    fs = require('fs'),
+    pkg = require('../../package.json'),
+    adaptorName = "";
 
 // Returns a cylon-namespaced adaptor name
 var cylonAdaptorName = function() {
@@ -16,11 +19,46 @@ var adaptorClassName = function() {
     .replace(/\s/g, '');
 };
 
+var compileTemplates = function() {
+  console.log("Compiling templates.");
+
+  glob(cylonAdaptorName() + "/**/*.tpl", function(err, files) {
+    files.forEach(function(filename) {
+      var templateData = generateTemplateData();
+
+      var newFilename = String(filename)
+        .replace(/adaptorName/, cylonAdaptorName())
+        .replace(/\.tpl$/, '');
+
+      fs.rename(filename, newFilename, function(err) {
+        if (err) { return console.log(err); }
+
+        fs.readFile(newFilename, 'utf8', function(err, contents) {
+          if (err) { return console.log(err); }
+          var result = ejs.render(contents, templateData);
+
+          fs.writeFile(newFilename, result, function(err) {
+            if (err) { return console.log(err); }
+          });
+        });
+      });
+    });
+  });
+};
+
+var generateTemplateData = function() {
+  return {
+    adaptorName: cylonAdaptorName(),
+    adaptorClassName: adaptorClassName(),
+    cylonVersion: pkg.version
+  };
+}
+
 var generator = function(name) {
   adaptorName = name;
-  console.log("Creating " + cylonAdaptorName() + " adaptor...");
+  console.log("Creating " + cylonAdaptorName() + " adaptor.");
   wrench.copyDirSyncRecursive(__dirname + "/adaptor", cylonAdaptorName());
-  console.log("Done!");
+  compileTemplates();
 };
 
 module.exports = generator;

src/generators/adaptor/package.json.tpl

@@ -0,0 +1,38 @@
+{
+  "name": "<%= adaptorName %>",
+  "version": "0.1.0",
+  "main": "dist/<%= adaptorName %>.js",
+  "description": "Cylon module for <%= adaptorClassName %>",
+  "homepage": "http://cylonjs.com",
+  "bugs": "Your bug report URL here",
+  "author": {
+    "name": "Your Name Here",
+    "email": "Your Email Here",
+    "url": "Your URL here"
+  },
+  "repository": {
+    "type": "git",
+    "url": "your git URL here"
+  },
+  "licenses": [
+    {
+      "type": "Apache 2.0"
+    }
+  ],
+  "devDependencies": {
+    "matchdep": "~0.1.1",
+    "grunt-contrib-jshint": "~0.6.0",
+    "grunt-contrib-watch": "~0.5.0",
+    "grunt-contrib-coffee": "~0.7.0",
+    "grunt-simple-mocha": "~0.4.0",
+    "grunt-contrib-clean": "~0.5.0",
+    "sinon-chai": "~2.4.0",
+    "chai": "~1.7.2",
+    "mocha": "~1.12.1",
+    "sinon": "~1.7.3"
+  },
+  "dependencies": {
+    "node-namespace": "~1.0.0",
+    "cylon": "~<%= cylonVersion %>"
+  }
+}