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node_modules/gulp-uglify/README.md

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+# gulp-uglify [![][travis-shield-img]][travis-shield][![][appveyor-shield-img]][appveyor-shield][![][npm-dl-shield-img]][npm-shield][![][npm-v-shield-img]][npm-shield][![][coveralls-shield-img]][coveralls-shield]
+
+> Minify JavaScript with UglifyJS3.
+
+## Installation
+
+Install package with NPM and add it to your development dependencies:
+
+`npm install --save-dev gulp-uglify`
+
+## Usage
+
+```javascript
+var gulp = require('gulp');
+var uglify = require('gulp-uglify');
+var pipeline = require('readable-stream').pipeline;
+
+gulp.task('compress', function () {
+  return pipeline(
+        gulp.src('lib/*.js'),
+        uglify(),
+        gulp.dest('dist')
+  );
+});
+```
+
+To help properly handle error conditions with Node streams, this project
+recommends the use of
+[`pipeline`](https://nodejs.org/docs/latest/api/stream.html#stream_stream_pipeline_streams_callback),
+from [`readable-stream`](https://github.com/nodejs/readable-stream).
+
+## Options
+
+Most of the [minify options](https://github.com/mishoo/UglifyJS2#minify-options) from
+the UglifyJS API are supported. There are a few exceptions:
+
+1. The `sourceMap` option must not be set, as it will be automatically configured
+   based on your Gulp configuration. See the documentation for [Gulp sourcemaps][gulp-sm].
+
+[gulp-sm]: https://github.com/gulp-sourcemaps/gulp-sourcemaps#usage
+
+## Errors
+
+`gulp-uglify` emits an 'error' event if it is unable to minify a specific file.
+The GulpUglifyError constructor is exported by this plugin for `instanceof` checks.
+It contains the following properties:
+
+- `fileName`: The full file path for the file being minified.
+- `cause`: The original UglifyJS error, if available.
+
+Most UglifyJS error messages have the following properties:
+
+- `message` (or `msg`)
+- `filename`
+- `line`
+
+To see useful error messages, see [Why Use Pipeline?](docs/why-use-pipeline/README.md#why-use-pipeline).
+
+## Using a Different UglifyJS
+
+By default, `gulp-uglify` uses the version of UglifyJS installed as a dependency.
+It's possible to configure the use of a different version using the "composer" entry point.
+
+```javascript
+var uglifyjs = require('uglify-js'); // can be a git checkout
+                                     // or another module (such as `uglify-es` for ES6 support)
+var composer = require('gulp-uglify/composer');
+var pump = require('pump');
+
+var minify = composer(uglifyjs, console);
+
+gulp.task('compress', function (cb) {
+  // the same options as described above
+  var options = {};
+
+  pump([
+      gulp.src('lib/*.js'),
+      minify(options),
+      gulp.dest('dist')
+    ],
+    cb
+  );
+});
+```
+
+[travis-shield-img]: https://img.shields.io/travis/terinjokes/gulp-uglify/master.svg?label=Travis%20CI&style=flat-square
+[travis-shield]: https://travis-ci.org/terinjokes/gulp-uglify
+[appveyor-shield-img]: https://img.shields.io/appveyor/ci/terinjokes/gulp-uglify/master.svg?label=AppVeyor&style=flat-square
+[appveyor-shield]: https://ci.appveyor.com/project/terinjokes/gulp-uglify
+[npm-dl-shield-img]: https://img.shields.io/npm/dm/gulp-uglify.svg?style=flat-square
+[npm-shield]: https://yarnpkg.com/en/package/gulp-uglify
+[npm-v-shield-img]: https://img.shields.io/npm/v/gulp-uglify.svg?style=flat-square
+[coveralls-shield-img]: https://img.shields.io/coveralls/terinjokes/gulp-uglify/master.svg?style=flat-square
+[coveralls-shield]: https://coveralls.io/github/terinjokes/gulp-uglify