[Pkg-javascript-commits] [uglifyjs] 41/49: docs: add doc for option.outFileName

[Jonas Smedegaard]

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js pushed a commit to branch master
in repository uglifyjs.

commit a7b3b0d3a55e2c48b63102dd111f27f8b9717788
Author: 1111hui <26634873 at qq.com>
Date:   Sat Oct 29 15:55:47 2016 +0800

    docs: add doc for option.outFileName
---
 README.md | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 6e9e5f2..eb3305b 100644
--- a/README.md
+++ b/README.md
@@ -651,15 +651,22 @@ To generate a source map with the fromString option, you can also use an object:
 ```javascript
 var result = UglifyJS.minify({"file1.js": "var a = function () {};"}, {
   outSourceMap: "out.js.map",
+  outFileName: "out.js",
   fromString: true
 });
 ```
 
 Note that the source map is not saved in a file, it's just returned in
-`result.map`.  The value passed for `outSourceMap` is only used to set the
-`file` attribute in the source map (see [the spec][sm-spec]). You can set 
-option `sourceMapInline` to be `true` and source map will be appended to 
-code.
+`result.map`.  The value passed for `outSourceMap` is only used to set
+`//# sourceMappingURL=out.js.map` in `result.code`. The value of
+`outFileName` is only used to set `file` attribute in source map file.
+
+The `file` attribute in the source map (see [the spec][sm-spec]) will
+use `outFileName` firstly, if it's falsy, then will be deduced from
+`outSourceMap` (by removing `'.map'`).
+
+You can set option `sourceMapInline` to be `true` and source map will
+be appended to code.
 
 You can also specify sourceRoot property to be included in source map:
 ```javascript

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