From 3ef092332b1e7c9bf1d17038601a33bd742dd753 Mon Sep 17 00:00:00 2001
From: Mihai Bazon <mihai.bazon@gmail.com>
Date: Wed, 18 Mar 2015 11:53:17 +0200
Subject: Support multiple --reserved-file args

---
 bin/uglifyjs | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

(limited to 'bin')

diff --git a/bin/uglifyjs b/bin/uglifyjs
index e1deaf5e..281ac175 100755
--- a/bin/uglifyjs
+++ b/bin/uglifyjs
@@ -94,8 +94,8 @@ You need to pass an argument to this option to specify the name that your module
     .string("comments")
     .string("wrap")
     .string("p")
-    .string("reserved-file")
     .string("name-cache")
+    .array("reserved-file")
 
     .boolean("expr")
     .boolean("source-map-include-sources")
@@ -150,6 +150,11 @@ if (ARGS.acorn) {
 var COMPRESS = getOptions("c", true);
 var MANGLE = getOptions("m", true);
 var BEAUTIFY = getOptions("b", true);
+var RESERVED = null;
+
+if (ARGS.reserved_file) ARGS.reserved_file.forEach(function(filename){
+    RESERVED = UglifyJS.readReservedFile(filename, RESERVED);
+});
 
 if (ARGS.d) {
     if (COMPRESS) COMPRESS.global_defs = getOptions("d");
@@ -159,16 +164,10 @@ if (ARGS.r) {
     if (MANGLE) MANGLE.except = ARGS.r.replace(/^\s+|\s+$/g).split(/\s*,+\s*/);
 }
 
-var RESERVED = null;
-if (ARGS.reserved_file) (function(){
-    var data = fs.readFileSync(ARGS.reserved_file, "utf8");
-    RESERVED = data = JSON.parse(data);
-    if (data.vars) {
-        MANGLE.except = MANGLE.except
-            ? MANGLE.except.concat(data.vars)
-            : data.vars;
-    }
-})();
+if (RESERVED && MANGLE) {
+    if (!MANGLE.except) MANGLE.except = RESERVED.vars;
+    else MANGLE.except = MANGLE.except.concat(RESERVED.vars);
+}
 
 function readNameCache(key) {
     return UglifyJS.readNameCache(ARGS.name_cache, key);
@@ -457,9 +456,9 @@ function normalize(o) {
 
 function getOptions(x, constants) {
     x = ARGS[x];
-    if (!x) return null;
+    if (x == null) return null;
     var ret = {};
-    if (x !== true) {
+    if (x !== "") {
         var ast;
         try {
             ast = UglifyJS.parse(x, { expression: true });
-- 
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