/* * Copyright (C) 2011 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ onmessage = function(event) { var source = event.data; var formattedSource = beautify(source); var mapping = buildMapping(source, formattedSource); postMessage({ formattedSource: formattedSource, mapping: mapping }); }; function beautify(source) { var ast = parse.parse(source); var beautifyOptions = { indent_level: 4, indent_start: 0, quote_keys: false, space_colon: false }; return process.gen_code(ast, beautifyOptions); } function buildMapping(source, formattedSource) { var mapping = { original: [], formatted: [] }; var lastPosition = 0; var regexp = /(^|[^\\])\b((?=\D)[\$\.\w]+)\b/g; while (true) { var match = regexp.exec(formattedSource); if (!match) break; var position = source.indexOf(match[2], lastPosition); if (position === -1) throw "No match found in original source for " + match[2]; mapping.original.push(position); mapping.formatted.push(match.index + match[1].length); lastPosition = position + match[2].length; } return mapping; } function require() { return parse; } var exports = {}; importScripts("UglifyJS/parse-js.js"); var parse = exports; var exports = {}; importScripts("UglifyJS/process.js"); var process = exports;