Add method removePlugin to ConfigModifier

2 files changed, 26 insertions, 1 deletions

diff --git a/lib/modifiers/config/index.js b/lib/modifiers/config/index.js
index 3c84f94..e88eb62 100644
--- a/lib/modifiers/config/index.js
+++ b/lib/modifiers/config/index.js
@@ -1,4 +1,5 @@
 
 module.exports = {
-    addPlugin:      require('./addPlugin')
+    addPlugin:          require('./addPlugin'),
+    removePlugin:       require('./removePlugin')
 };
diff --git a/lib/modifiers/config/removePlugin.js b/lib/modifiers/config/removePlugin.js
new file mode 100644
index 0000000..8c58f16
--- /dev/null
+++ b/lib/modifiers/config/removePlugin.js
@@ -0,0 +1,24 @@
+
+/**
+    Remove a plugin from a book's configuration
+
+    @param {Book} book
+    @param {String} plugin
+    @return {Book}
+*/
+function removePlugin(book, pluginName) {
+    var config = book.getConfig();
+    var plugins = config.getValue('plugins', []);
+
+    // Find index of this plugin
+    var index = plugins.findIndex(function(plugin) {
+        return plugin === pluginName;
+    });
+
+    plugins = plugins.delete(index);
+    config = config.setValue('plugins', plugins);
+
+    return book.setConfig(config);
+}
+
+module.exports = removePlugin;