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-rw-r--r--lib/minify.js4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/minify.js b/lib/minify.js
index 16f5b189..cc638be3 100644
--- a/lib/minify.js
+++ b/lib/minify.js
@@ -86,7 +86,7 @@ function minify(files, options) {
}
options.parse = options.parse || {};
options.parse.toplevel = null;
- for (var name in files) {
+ for (var name in files) if (HOP(files, name)) {
options.parse.filename = name;
options.parse.toplevel = parse(files[name], options.parse);
if (options.sourceMap && options.sourceMap.content == "inline") {
@@ -134,7 +134,7 @@ function minify(files, options) {
if (options.sourceMap.includeSources) {
if (files instanceof AST_Toplevel) {
throw new Error("original source content unavailable");
- } else for (var name in files) {
+ } else for (var name in files) if (HOP(files, name)) {
options.output.source_map.get().setSourceContent(name, files[name]);
}
}