mirror of https://github.com/grafana/grafana.git
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
'use strict';
|
|
|
|
var _ = require('lodash'),
|
|
fs = require('fs-extra'),
|
|
uglify = require('uglify-js');
|
|
|
|
var uglifyOptions = require('./uglify.options');
|
|
|
|
/*----------------------------------------------------------------------------*/
|
|
|
|
/**
|
|
* Asynchronously minifies the file at `srcPath`, writes it to `destPath`, and
|
|
* invokes `callback` upon completion. The callback is invoked with one argument:
|
|
* (error).
|
|
*
|
|
* If unspecified, `destPath` is `srcPath` with an extension of `.min.js`.
|
|
* (e.g. the `destPath` of `path/to/foo.js` would be `path/to/foo.min.js`)
|
|
*
|
|
* @param {string} srcPath The path of the file to minify.
|
|
* @param {string} [destPath] The path to write the file to.
|
|
* @param {Function} callback The function invoked upon completion.
|
|
* @param {Object} [option] The UglifyJS options object.
|
|
*/
|
|
function minify(srcPath, destPath, callback, options) {
|
|
if (_.isFunction(destPath)) {
|
|
if (_.isObject(callback)) {
|
|
options = callback;
|
|
}
|
|
callback = destPath;
|
|
destPath = undefined;
|
|
}
|
|
if (!destPath) {
|
|
destPath = srcPath.replace(/(?=\.js$)/, '.min');
|
|
}
|
|
var output = uglify.minify(srcPath, _.defaults(options || {}, uglifyOptions));
|
|
fs.writeFile(destPath, output.code, 'utf-8', callback);
|
|
}
|
|
|
|
module.exports = minify;
|