use directories for structure

node_modules/uglify-js/tools/exit.js

@@ -5,7 +5,7 @@ process.exit = function() {
     process.once("uncaughtException", function() {
         (function callback() {
             if (process.stdout.bufferSize || process.stderr.bufferSize) {
-                setImmediate(callback);
+                setTimeout(callback, 1);
             } else {
                 exit.apply(process, args);
             }

node_modules/uglify-js/tools/exports.js

@@ -1,4 +1,5 @@
 exports["Dictionary"] = Dictionary;
+exports["List"] = List;
 exports["minify"] = minify;
 exports["parse"] = parse;
 exports["push_uniq"] = push_uniq;

node_modules/uglify-js/tools/node.js

@@ -15,13 +15,13 @@ exports.FILES = [
     require.resolve("./exports.js"),
 ];
 
-new Function("MOZ_SourceMap", "exports", function() {
+new Function("exports", function() {
     var code = exports.FILES.map(function(file) {
         return fs.readFileSync(file, "utf8");
     });
     code.push("exports.describe_ast = " + describe_ast.toString());
     return code.join("\n\n");
-}())(require("source-map"), exports);
+}())(exports);
 
 function describe_ast() {
     var out = OutputStream({ beautify: true });
@@ -66,8 +66,8 @@ function infer_options(options) {
 }
 
 exports.default_options = function() {
-    var defs = {};
-    Object.keys(infer_options({ 0: 0 })).forEach(function(component) {
+    var defs = infer_options({ 0: 0 });
+    Object.keys(defs).forEach(function(component) {
         var options = {};
         options[component] = { 0: 0 };
         if (options = infer_options(options)) {