Added support for external modules in command line parameter.

Fixes #5.

README.md

@@ -27,6 +27,7 @@ Command-line options:
 -e, --exports <id>     top module exports destination (optional)
 -x, --extension <ext>  default extension for requires (defaults to "js")
 -d, --module-dir <dir> modules directory name to look in (defaults to "node_modules")
+-s, --external [hash]  external modules (names or JSON hashes)
 ```
 
 ## Usage from Node.js

bin/pure-cjs.js

@@ -11,6 +11,17 @@ program
 	.option('-m, --map [file]', 'file to store source map to (optional)')
 	.option('-c, --comments', 'preserve comments in output')
 	.option('-e, --exports <id>', 'top module exports destination (optional)')
+	.option('-s, --external [hash]', 'external modules (names or JSON hashes)', function (value, obj) {
+		try {
+			var add = JSON.parse(value);
+			for (var name in add) {
+				obj[name] = add[name];
+			}
+		} catch (e) {
+			obj[value] = true;
+		}
+		return obj;
+	}, {})
 	.parse(process.argv);
 
 if (!program.input) {

lib/replacerMap.js

@@ -10,7 +10,7 @@ function ReplacerMap(options) {
 	this.defaultExt = options.defaultExt;
 	this.moduleDir = options.moduleDir;
 	this.depsMap = options.deps.reduce(function (obj, dep) {
-		obj[pathUtils.getNodePath('.', dep.name, this)] = dep;
+		obj[pathUtils.getNodePath('_', dep.name, this)] = dep;
 		return obj;
 	}.bind(this), {});
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pure-cjs",
-  "version": "1.12.0",
+  "version": "1.12.1",
   "description": "Pure minimalistic CommonJS builder",
   "bin": "./bin/pure-cjs.js",
   "main": "./lib/index.js",