do not write unnecessary final if in multiple blocks

1 files changed, 4 insertions, 2 deletions

diff --git a/src/jsifier.js b/src/jsifier.js
index be8c962e..6de7ecf4 100644
--- a/src/jsifier.js
+++ b/src/jsifier.js
@@ -390,8 +390,10 @@ function JSify(data, functionsOnly, givenFunctions, givenGlobalVariables) {
               first = false;
             });
           } else {
-            block.entryLabels.forEach(function(entryLabel) {
-              ret += indent + multipleIdent + (first ? '' : 'else ') + 'if (__label__ == ' + getLabelId(entryLabel.ident) + ') {\n';
+            block.entryLabels.forEach(function(entryLabel, i) {
+              var last = i === block.entryLabels.length-1;
+              ret += indent + multipleIdent + (first ? '' : 'else ') + // add the final |if| only when we have assertions (we have a final else there)
+                              ((!last || ASSERTIONS) ? 'if (__label__ == ' + getLabelId(entryLabel.ident) + ')' : '') + ' {\n';
               ret += walkBlock(entryLabel.block, indent + '  ' + multipleIdent);
               ret += indent + multipleIdent + '}\n';
               first = false;