Add method to load a list of plugins from generator options

3 files changed, 54 insertions, 1 deletions

diff --git a/lib/generate/generator.js b/lib/generate/generator.js
index 13022a5..d9ec286 100644
--- a/lib/generate/generator.js
+++ b/lib/generate/generator.js
@@ -1,9 +1,14 @@
+var _ = require("lodash");
 var path = require("path");
 var Q = require("q");
 var fs = require("./fs");
 
+var Plugin = require("./plugin");
+
 var BaseGenerator = function(options) {
     this.options = options;
+
+    this.options.plugins = Plugin.normalizeNames(this.options.plugins);
 };
 
 BaseGenerator.prototype.convertFile = function(content, input) {
diff --git a/lib/generate/plugin.js b/lib/generate/plugin.js
index a39fc65..27c1cc9 100644
--- a/lib/generate/plugin.js
+++ b/lib/generate/plugin.js
@@ -88,6 +88,36 @@ Plugin.fromList = function(names) {
     });
 };
 
+
+// Normalize a list of plugin name to use
+Plugin.normalizeNames = function(names) {
+    // Normalize list to an array
+    names = _.isString(names) ? names.split(":") : (names || []);
+
+    // List plugins to remove
+    var toremove = _.chain(names)
+    .filter(function(name) {
+        return name.length > 0 && name[0] == "-";
+    })
+    .map(function(name) {
+        return name.slice(1)
+    })
+    .value();
+
+    // Merge with defaults
+    names = _.chain(names)
+    .concat(Plugin.defaults)
+    .uniq()
+    .value();
+
+    // Remove plugins starting with 
+    names = _.filter(names, function(name) {
+        return !_.contains(toremove, name) && !(name.length > 0 && name[0] == "-");
+    });
+
+    return names;
+};
+
 // Default plugins
 Plugin.defaults = [
     "mixpanel"
diff --git a/test/plugin.js b/test/plugin.js
index b4e2102..1a27f80 100644
--- a/test/plugin.js
+++ b/test/plugin.js
@@ -1,4 +1,4 @@
-var fs = require('fs');
+var _ = require('lodash');
 var path = require('path');
 var assert = require('assert');
 
@@ -12,6 +12,24 @@ describe('Plugin validation', function () {
     });
 });
 
+describe('Plugin list of names', function () {
+    var firstDefault = _.first(Plugin.defaults);
+
+    it('should convert string to array', function() {
+        var _name = "test";
+        assert(_.contains(Plugin.normalizeNames(_name), _name));
+    });
+
+    it('should contains default plugins', function() {
+        console.log(firstDefault, Plugin.normalizeNames([]));
+        assert(_.contains(Plugin.normalizeNames([]), firstDefault));
+    });
+
+    it('should remove name starting with -', function() {
+        assert(!_.contains(Plugin.normalizeNames(["-"+firstDefault]), firstDefault));
+    });
+});
+
 describe('Plugin defaults loading', function () {
     var ret = true;