Changes

node_modules/pkginfo/lib/pkginfo.js

@@ -0,0 +1,136 @@
+/*
+ * pkginfo.js: Top-level include for the pkginfo module
+ *
+ * (C) 2011, Charlie Robbins
+ *
+ */
+ 
+var fs = require('fs'),
+    path = require('path');
+
+//
+// ### function pkginfo ([options, 'property', 'property' ..])
+// #### @pmodule {Module} Parent module to read from.
+// #### @options {Object|Array|string} **Optional** Options used when exposing properties.
+// #### @arguments {string...} **Optional** Specified properties to expose.
+// Exposes properties from the package.json file for the parent module on 
+// it's exports. Valid usage:
+//
+// `require('pkginfo')()`
+//
+// `require('pkginfo')('version', 'author');`
+//
+// `require('pkginfo')(['version', 'author']);`
+//
+// `require('pkginfo')({ include: ['version', 'author'] });`
+//
+var pkginfo = module.exports = function (pmodule, options) {
+  var args = [].slice.call(arguments, 2).filter(function (arg) {
+    return typeof arg === 'string';
+  });
+  
+  //
+  // **Parse variable arguments**
+  //
+  if (Array.isArray(options)) {
+    //
+    // If the options passed in is an Array assume that
+    // it is the Array of properties to expose from the
+    // on the package.json file on the parent module.
+    //
+    options = { include: options };
+  }
+  else if (typeof options === 'string') {
+    //
+    // Otherwise if the first argument is a string, then
+    // assume that it is the first property to expose from
+    // the package.json file on the parent module.
+    //
+    options = { include: [options] };
+  }
+  
+  //
+  // **Setup default options**
+  //
+  options = options || {};
+  
+  // ensure that includes have been defined
+  options.include = options.include || [];
+  
+  if (args.length > 0) {
+    //
+    // If additional string arguments have been passed in
+    // then add them to the properties to expose on the 
+    // parent module. 
+    //
+    options.include = options.include.concat(args);
+  }
+  
+  var pkg = pkginfo.read(pmodule, options.dir).package;
+  Object.keys(pkg).forEach(function (key) {
+    if (options.include.length > 0 && !~options.include.indexOf(key)) {
+      return;
+    }
+    
+    if (!pmodule.exports[key]) {
+      pmodule.exports[key] = pkg[key];
+    }
+  });
+  
+  return pkginfo;
+};
+
+//
+// ### function find (dir)
+// #### @pmodule {Module} Parent module to read from.
+// #### @dir {string} **Optional** Directory to start search from.
+// Searches up the directory tree from `dir` until it finds a directory
+// which contains a `package.json` file. 
+//
+pkginfo.find = function (pmodule, dir) {
+  if (! dir) {
+    dir = path.dirname(pmodule.filename);
+  }
+  
+  var files = fs.readdirSync(dir);
+  
+  if (~files.indexOf('package.json')) {
+    return path.join(dir, 'package.json');
+  }
+  
+  if (dir === '/') {
+    throw new Error('Could not find package.json up from: ' + dir);
+  }
+  else if (!dir || dir === '.') {
+    throw new Error('Cannot find package.json from unspecified directory');
+  }
+  
+  return pkginfo.find(pmodule, path.dirname(dir));
+};
+
+//
+// ### function read (pmodule, dir)
+// #### @pmodule {Module} Parent module to read from.
+// #### @dir {string} **Optional** Directory to start search from.
+// Searches up the directory tree from `dir` until it finds a directory
+// which contains a `package.json` file and returns the package information.
+//
+pkginfo.read = function (pmodule, dir) { 
+  dir = pkginfo.find(pmodule, dir);
+  
+  var data = fs.readFileSync(dir).toString();
+      
+  return {
+    dir: dir, 
+    package: JSON.parse(data)
+  };
+};
+
+//
+// Call `pkginfo` on this module and expose version.
+//
+pkginfo(module, {
+  dir: __dirname,
+  include: ['version'],
+  target: pkginfo
+});