Improve logging API

Adds multiple variable support and the ability to set statement level logging semantics.

This breaks that logger API, cleaning up the manner in which enums are set, but the other behaviors are backwards compatible.

Fixes #956

1 files changed, 16 insertions, 3 deletions

diff --git a/lib/handlebars/helpers/log.js b/lib/handlebars/helpers/log.js
index ab83604..4bde4a1 100644
--- a/lib/handlebars/helpers/log.js
+++ b/lib/handlebars/helpers/log.js
@@ -1,6 +1,19 @@
 export default function(instance) {
-  instance.registerHelper('log', function(message, options) {
-    let level = options.data && options.data.level != null ? parseInt(options.data.level, 10) : 1;
-    instance.log(level, message);
+  instance.registerHelper('log', function(/* message, options */) {
+    let args = [undefined],
+        options = arguments[arguments.length - 1];
+    for (let i = 0; i < arguments.length - 1; i++) {
+      args.push(arguments[i]);
+    }
+
+    let level = 1;
+    if (options.hash.level != null) {
+      level = options.hash.level;
+    } else if (options.data && options.data.level != null) {
+      level = options.data.level;
+    }
+    args[0] = level;
+
+    instance.log(... args);
   });
 }