immutable-js/build/stripCopyright.js

Immutable types in JavaScript

/**
 *  Copyright (c) 2015, Jan Biasi.
 *  All rights reserved.
 *
 *  This source code is licensed under the BSD-style license found in the
 *  LICENSE file in the root directory of this source tree. An additional grant
 *  of patent rights can be found in the PATENTS file in the same directory.
 */

var fs = require('fs');

function stripCopyright(source) {
    var copyright = getCopyright();
    var position = source.indexOf(copyright);
    if (position === -1) {
        return source;
    }
    return source.slice(0, position) + source.slice(position + copyright.length);
}

var _copyright;
function getCopyright() {
    return _copyright || (_copyright = fs.readFileSync('build/COPYRIGHT'));
}

module.exports = stripCopyright;