1 files changed, 31 insertions, 0 deletions
diff --git a/packages/gitbook/src/modifiers/config/togglePlugin.js b/packages/gitbook/src/modifiers/config/togglePlugin.js
new file mode 100644
index 0000000..12a6dec
--- /dev/null
+++ b/packages/gitbook/src/modifiers/config/togglePlugin.js
@@ -0,0 +1,31 @@
+const PluginDependency = require('../../models/pluginDependency');
+const hasPlugin = require('./hasPlugin');
+const isDefaultPlugin = require('./isDefaultPlugin');
+
+/**
+ * Enable/disable a plugin dependency
+ * @param {Config} config
+ * @param {String} pluginName
+ * @param {Boolean} state (optional)
+ * @return {Config}
+ */
+function togglePlugin(config, pluginName, state) {
+    let deps = config.getPluginDependencies();
+
+    // For default plugin, we should ensure it's listed first
+    if (isDefaultPlugin(pluginName) && !hasPlugin(deps, pluginName)) {
+        deps = deps.push(PluginDependency.create(pluginName));
+    }
+
+    deps = deps.map(function(dep) {
+        if (dep.getName() === pluginName) {
+            return dep.toggle(state);
+        }
+
+        return dep;
+    });
+
+    return config.setPluginDependencies(deps);
+}
+
+module.exports = togglePlugin;