35 lines
892 B
JavaScript
35 lines
892 B
JavaScript
|
/*
|
||
|
|
* grunt-contrib-concat
|
||
|
|
* http://gruntjs.com/
|
||
|
|
*
|
||
|
|
* Copyright (c) 2013 "Cowboy" Ben Alman, contributors
|
||
|
|
* Licensed under the MIT license.
|
||
|
|
*/
|
||
|
|
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
exports.init = function(/*grunt*/) {
|
||
|
|
var exports = {};
|
||
|
|
|
||
|
|
// Return the given source code with any leading banner comment stripped.
|
||
|
|
exports.stripBanner = function(src, options) {
|
||
|
|
if (!options) { options = {}; }
|
||
|
|
var m = [];
|
||
|
|
if (options.line) {
|
||
|
|
// Strip // ... leading banners.
|
||
|
|
m.push('(?:.*\\/\\/.*\\r?\\n)+\\s*');
|
||
|
|
}
|
||
|
|
if (options.block) {
|
||
|
|
// Strips all /* ... */ block comment banners.
|
||
|
|
m.push('\\/\\*[\\s\\S]*?\\*\\/');
|
||
|
|
} else {
|
||
|
|
// Strips only /* ... */ block comment banners, excluding /*! ... */.
|
||
|
|
m.push('\\/\\*[^!][\\s\\S]*?\\*\\/');
|
||
|
|
}
|
||
|
|
var re = new RegExp('^\\s*(?:' + m.join('|') + ')\\s*', '');
|
||
|
|
return src.replace(re, '');
|
||
|
|
};
|
||
|
|
|
||
|
|
return exports;
|
||
|
|
};
|