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Contents
/**
* class UglifyCompressor
*
* Engine for CSS minification. You will need `uglify-js` Node module installed:
*
* npm install uglify-js
*
*
* ##### SUBCLASS OF
*
* [[Template]]
**/
'use strict';
// 3rd-party
var _ = require('lodash');
var UglifyJS; // initialized later
// internal
var Template = require('../template');
var prop = require('../common').prop;
////////////////////////////////////////////////////////////////////////////////
// Class constructor
var UglifyCompressor = module.exports = function UglifyCompressor() {
Template.apply(this, arguments);
UglifyJS = UglifyJS || Template.libs['uglify-js'] || require('uglify-js');
// Ensure UglifyJS v2 API
if (!!UglifyJS.parser) {
throw new Error('UglifyJS v1 not supported, please upgrade library.');
}
};
require('util').inherits(UglifyCompressor, Template);
// Internal (private) options storage
var options = {};
/**
* UglifyCompressor.configure(opts) -> Void
* - opts (Object):
*
* Allows to set UglifyJS options.
* See UglifyJS minify options for details.
*
* Default: `{}`.
*
*
* ##### Example
*
* UglifyCompressor.configure({mangle: false});
**/
UglifyCompressor.configure = function (opts) {
options = _.clone(opts);
};
// Compress data
UglifyCompressor.prototype.evaluate = function (/*context, locals*/) {
var opts = _.merge(options, { fromString: true });
return UglifyJS.minify(this.data, opts).code;
};
// Expose default MimeType of an engine
prop(UglifyCompressor, 'defaultMimeType', 'application/javascript');
Version data entries
19 entries across 19 versions & 1 rubygems