✨ Feature: add `nconf.getBool`

lib/config.js

@@ -75,5 +75,27 @@ exports.create = function(configDirectory) {
   nconf.runtimeEnvironment = nodeEnv;
+  function parseBool(value) {
+    switch(typeof value) {
+      case 'boolean':
+        return value;
+      case 'number':
+        return !!value;
+      case 'string':
+        return !!JSON.parse(value);
+      default:
+        return undefined;
+    }
+  }
+
+  /**
+   * Monkey-patch `getBool`
+   */
+  nconf.getBool = function(key) {
+    var value = this.get(key);
+    return parseBool(value);
+  }
+
+
   return nconf;
 };