fix inline within arrow functions (#2881)

fixes #2874
2018-02-05 02:01:31 -05:00
parent 4b3c0652b7
commit 149a569ac8
3 changed files with 139 additions and 3 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -4592,6 +4592,9 @@ merge(Compressor.prototype, {
                && !fn.uses_arguments
                && !fn.uses_eval
                && !(fn.name && fn instanceof AST_Function)
+                && (!(compressor.find_parent(AST_Lambda) instanceof AST_Arrow)
+                    || fn.argnames.length == 0
+                        && (fn.body instanceof AST_Node || fn.body.length == 1))
                && (value = can_flatten_body(stat))
                && (exp === fn
                    || compressor.option("unused")