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-rw-r--r--README.md3
-rw-r--r--tools/node.js31
2 files changed, 23 insertions, 11 deletions
diff --git a/README.md b/README.md
index 6dea439a..9cde9ee8 100644
--- a/README.md
+++ b/README.md
@@ -626,6 +626,9 @@ Other options:
- `mangle` — pass `false` to skip mangling names.
+- `mangleProperties` (default `false`) — pass an object to specify custom
+ mangle property options.
+
- `output` (default `null`) — pass an object if you wish to specify
additional [output options][codegen]. The defaults are optimized
for best compression.
diff --git a/tools/node.js b/tools/node.js
index f6048661..5764286e 100644
--- a/tools/node.js
+++ b/tools/node.js
@@ -32,15 +32,17 @@ UglifyJS.AST_Node.warn_function = function(txt) {
exports.minify = function(files, options) {
options = UglifyJS.defaults(options, {
- spidermonkey : false,
- outSourceMap : null,
- sourceRoot : null,
- inSourceMap : null,
- fromString : false,
- warnings : false,
- mangle : {},
- output : null,
- compress : {}
+ spidermonkey : false,
+ outSourceMap : null,
+ sourceRoot : null,
+ inSourceMap : null,
+ fromString : false,
+ warnings : false,
+ mangle : {},
+ mangleProperties : false,
+ nameCache : null,
+ output : null,
+ compress : {}
});
UglifyJS.base54.reset();
@@ -77,14 +79,21 @@ exports.minify = function(files, options) {
toplevel = toplevel.transform(sq);
}
- // 3. mangle
+ // 3. mangle properties
+ if (options.mangleProperties || options.nameCache) {
+ options.mangleProperties.cache = UglifyJS.readNameCache(options.nameCache, "props");
+ toplevel = UglifyJS.mangle_properties(toplevel, options.mangleProperties);
+ UglifyJS.writeNameCache(options.nameCache, "props", options.mangleProperties.cache);
+ }
+
+ // 4. mangle
if (options.mangle) {
toplevel.figure_out_scope(options.mangle);
toplevel.compute_char_frequency(options.mangle);
toplevel.mangle_names(options.mangle);
}
- // 4. output
+ // 5. output
var inMap = options.inSourceMap;
var output = {};
if (typeof options.inSourceMap == "string") {