Pass "--language_out ECMASCRIPT5_STRICT" to Closure Compiler
This makes Closure Compiler add a "use strict;" directive to the
beginning of the output, which might improve the performance
on JavaScript engines.
Change-Id: I239d08bdbc47e98a373cf1b1d3b0417e36875dea
diff --git a/lib/codemirror/BUCK b/lib/codemirror/BUCK
index 8fc6942..dd10d1e 100644
--- a/lib/codemirror/BUCK
+++ b/lib/codemirror/BUCK
@@ -20,6 +20,7 @@
CLOSURE_COMPILER_ARGS = [
'--compilation_level SIMPLE_OPTIMIZATIONS',
+ '--language_out ECMASCRIPT5_STRICT',
'--warning_level QUIET'
]