tasks/lib/strip-header.js

/*
 * Licensed to the Apache Software Foundation (ASF
 * or more contributor license agreements.  See th
 * distributed with this work for additional infor
 * regarding copyright ownership.  The ASF license
 * to you under the Apache License, Version 2.0 (t
 * "License"); you may not use this file except in
 * with the License.  You may obtain a copy of the
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to
 * software distributed under the License is distr
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
 * KIND, either express or implied.  See the Licen
 * specific language governing permissions and lim
 * under the License.
 */

// Strips the license header.
// Basically only the first multi-line comment up to to the closing */
module.exports = function stripHeader (contents, fileName) {
    var ls = contents.split(/\r?\n/);
    while (ls[0]) {
        if (ls[0].match(/^\s*\/\*/) || ls[0].match(/^\s*\*/)) {
            ls.shift();
        } else if (ls[0].match(/^\s*\*\//)) {
            ls.shift();
            break;
        } else {
            console.log('WARNING: file name ' + fileName + ' is missing the license header');
            break;
        }
    }
    return ls.join('\n');
};