node-minify-custom-fork
v1.0.0
Published
Javascript / CSS minifier based on Babili / YUI Compressor / Google Closure Compiler / UglifyJS2 / Sqwish / Clean-css / CSSO
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THIS IS A CUSTOM FORK OF NODE-MINIFY REPO, ALL CREDITS GO TO THEM.
I just needed to tweak couple of lines for uglify-js to compile es2015 js. Don't be angry at me :(
Node-minify
A very light minifier Node.js module.
Support:
- Babili
- YUI Compressor
- Google Closure Compiler
- UglifyJS
- Clean-css
- CSSO
- Sqwish
It allow you to compress JavaScript and CSS files.
CSS benchmark : http://goalsmashers.github.io/css-minification-benchmark/
I recommend to execute it at boot time for production use.
Installation
npm install node-minify
Quick Start
var compressor = require('node-minify');
// Using Google Closure Compiler
compressor.minify({
compressor: 'gcc',
input: 'foo.js',
output: 'bar.js',
callback: function (err, min) {}
});
// Using UglifyJS
compressor.minify({
compressor: 'uglifyjs',
input: './**/*.js',
output: 'bar.js',
callback: function (err, min) {}
});
// Using Promise
var promise = compressor.minify({
compressor: 'uglifyjs',
input: './**/*.js',
output: 'bar.js'
});
promise.then(function(min) {});
Concatenate Files
In order to concatenate files, simply pass in an array with the type no-compress
.
compressor.minify({
compressor: 'no-compress',
input: ['foo.js', 'foo2.js', 'foo3.js'],
output: 'bar.js',
callback: function (err, min) {}
});
Using wildcards
compressor.minify({
compressor: 'gcc',
input: 'public/**/*.js',
output: 'bar.js',
callback: function (err, min) {}
});
Using sync option
compressor.minify({
compressor: 'yui-js',
input: 'foo.js',
output: 'bar.js',
sync: true,
callback: function (err, min) {}
});
Using public folder
publicFolder
allow you to specify an input and output folder.
It avoids you to specify the folder for each file.
compressor.minify({
compressor: 'gcc',
publicFolder: './public/',
input: ['foo.js', 'foo2.js'],
output: 'bar.js',
callback: function (err, min) {}
});
Max Buffer Size
In some cases you might need a bigger max buffer size (for example when minifying really large files).
By default the buffer is 1000 * 1024
which should be enough. If you however need more buffer, you can simply pass in the desired buffer size as an argument to compressor.minify
like so:
compressor.minify({
compressor: 'gcc',
input: 'foo.js',
output: 'bar.js',
sync: true,
buffer: 1000 * 1024,
callback: function (err, min) {}
});
Passing options
You can pass an object to the compressor.
Please check available options.
Options for Babili
compressor.minify({
compressor: 'babili',
input: 'foo.js',
output: 'bar.js',
options: {
babelrc: 'public/.babelrc',
presets: ['es2015']
},
callback: function (err, min) {}
});
Options for YUI Compressor
compressor.minify({
compressor: 'yui-js',
input: 'foo.js',
output: 'bar.js',
options: {
'line-break': 80,
charset: 'utf8'
... // See more information link below
},
callback: function (err, min) {}
});
Options for Google Closure Compiler
compressor.minify({
compressor: 'gcc',
input: 'foo.js',
output: 'bar.js',
options: {
compilation_level: 'WHITESPACE_ONLY',
language: 'ECMASCRIPT6'
... // See more information link below
},
callback: function (err, min) {}
});
Options for UglifyJS
compressor.minify({
compressor: 'uglifyjs',
input: 'foo.js',
output: 'bar.js',
options: {
warnings: true, // pass true to display compressor warnings.
mangle: false // pass false to skip mangling names.
output: {} // pass an object if you wish to specify additional output options. The defaults are optimized for best compression.
compress: false // pass false to skip compressing entirely. Pass an object to specify custom compressor options.
},
callback: function (err, min) {}
});
Options for clean-css
compressor.minify({
compressor: 'clean-css',
input: 'foo.css',
output: 'bar.css',
options: {
advanced: false, // set to false to disable advanced optimizations - selector & property merging, reduction, etc.
aggressiveMerging: false // set to false to disable aggressive merging of properties.
... // See more information link below
},
callback: function (err, min) {}
});
Options for CSSO
compressor.minify({
compressor: 'csso',
input: 'foo.css',
output: 'bar.css',
options: {
restructureOff: true // turns structure minimization off
},
callback: function (err, min) {}
});
Options for Sqwish
compressor.minify({
compressor: 'sqwish',
input: 'foo.css',
output: 'bar.css',
options: {
strict: true // strict optimizations
},
callback: function (err, min) {}
});
Babili
Babili can compress only JavaScript files.
https://github.com/babel/babili
YUI Compressor
Yahoo Compressor can compress both JavaScript and CSS files.
http://developer.yahoo.com/yui/compressor/
Google Closure Compiler
Google Closure Compiler can compress only JavaScript files.
It will throw an error if you try with CSS files.
GCC latest version requires Java 1.8 You can use the legacy version that use Java 1.6
var compressor = require('node-minify');
// Using Google Closure Compiler legacy version for Java 1.6
compressor.minify({
compressor: 'gcc-legacy',
input: 'foo.js',
output: 'bar.js',
callback: function (err, min) {}
});
https://developers.google.com/closure/compiler/
UglifyJS
UglifyJS can compress only JavaScript files.
It will throw an error if you try with CSS files.
https://github.com/mishoo/UglifyJS2
Clean-css
Clean-css can compress only CSS files.
https://github.com/GoalSmashers/clean-css
CSSO
CSSO can compress only CSS files.
Sqwish
Sqwish can compress only CSS files.
Warning
It assumes that you have Java installed on your environment for both GCC and YUI Compressor. To check, run:
java -version
How to install:
Mac: https://java.com/en/download/help/mac_install.xml
Windows: https://java.com/en/download/help/windows_manual_download.xml
Linux: https://www.java.com/en/download/help/linux_x64_install.xml
Windows support
Since v0.5.0, a windows support is available for the no-compress option and uglify-js (thanks to pieces029 and benpusherhq)