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- // workaround for tty output truncation upon process.exit()
- [process.stdout, process.stderr].forEach(function(stream){
- if (stream._handle && stream._handle.setBlocking)
- stream._handle.setBlocking(true);
- });
- var path = require("path");
- var fs = require("fs");
- var UglifyJS = exports;
- var FILES = UglifyJS.FILES = [
- "../lib/utils.js",
- "../lib/ast.js",
- "../lib/parse.js",
- "../lib/transform.js",
- "../lib/scope.js",
- "../lib/output.js",
- "../lib/compress.js",
- "../lib/sourcemap.js",
- "../lib/mozilla-ast.js",
- "../lib/propmangle.js",
- "./exports.js",
- ].map(function(file){
- return require.resolve(file);
- });
- new Function("MOZ_SourceMap", "exports", FILES.map(function(file){
- return fs.readFileSync(file, "utf8");
- }).join("\n\n"))(
- require("source-map"),
- UglifyJS
- );
- UglifyJS.AST_Node.warn_function = function(txt) {
- console.error("WARN: %s", txt);
- };
- function read_source_map(code) {
- var match = /\n\/\/# sourceMappingURL=data:application\/json(;.*?)?;base64,(.*)/.exec(code);
- if (!match) {
- UglifyJS.AST_Node.warn("inline source map not found");
- return null;
- }
- return JSON.parse(new Buffer(match[2], "base64"));
- }
- UglifyJS.minify = function(files, options) {
- options = UglifyJS.defaults(options, {
- compress : {},
- fromString : false,
- inSourceMap : null,
- mangle : {},
- mangleProperties : false,
- nameCache : null,
- outFileName : null,
- output : null,
- outSourceMap : null,
- parse : {},
- sourceMapInline : false,
- sourceMapUrl : null,
- sourceRoot : null,
- spidermonkey : false,
- warnings : false,
- });
- UglifyJS.base54.reset();
- var inMap = options.inSourceMap;
- if (typeof inMap == "string" && inMap != "inline") {
- inMap = JSON.parse(fs.readFileSync(inMap, "utf8"));
- }
- // 1. parse
- var toplevel = null,
- sourcesContent = {};
- if (options.spidermonkey) {
- if (inMap == "inline") {
- throw new Error("inline source map only works with built-in parser");
- }
- toplevel = UglifyJS.AST_Node.from_mozilla_ast(files);
- } else {
- function addFile(file, fileUrl) {
- var code = options.fromString
- ? file
- : fs.readFileSync(file, "utf8");
- if (inMap == "inline") {
- inMap = read_source_map(code);
- }
- sourcesContent[fileUrl] = code;
- toplevel = UglifyJS.parse(code, {
- filename: fileUrl,
- toplevel: toplevel,
- bare_returns: options.parse ? options.parse.bare_returns : undefined
- });
- }
- if (!options.fromString) {
- files = UglifyJS.simple_glob(files);
- if (inMap == "inline" && files.length > 1) {
- throw new Error("inline source map only works with singular input");
- }
- }
- [].concat(files).forEach(function (files, i) {
- if (typeof files === 'string') {
- addFile(files, options.fromString ? i : files);
- } else {
- for (var fileUrl in files) {
- addFile(files[fileUrl], fileUrl);
- }
- }
- });
- }
- if (options.wrap) {
- toplevel = toplevel.wrap_commonjs(options.wrap, options.exportAll);
- }
- // 2. compress
- if (options.compress) {
- var compress = { warnings: options.warnings };
- UglifyJS.merge(compress, options.compress);
- toplevel.figure_out_scope(options.mangle);
- var sq = UglifyJS.Compressor(compress);
- toplevel = sq.compress(toplevel);
- }
- // 3. mangle properties
- if (options.mangleProperties || options.nameCache) {
- options.mangleProperties.cache = UglifyJS.readNameCache(options.nameCache, "props");
- toplevel = UglifyJS.mangle_properties(toplevel, options.mangleProperties);
- UglifyJS.writeNameCache(options.nameCache, "props", options.mangleProperties.cache);
- }
- // 4. mangle
- if (options.mangle) {
- toplevel.figure_out_scope(options.mangle);
- toplevel.compute_char_frequency(options.mangle);
- toplevel.mangle_names(options.mangle);
- }
- // 5. output
- var output = { max_line_len: 32000 };
- if (options.outSourceMap || options.sourceMapInline) {
- output.source_map = UglifyJS.SourceMap({
- // prefer outFileName, otherwise use outSourceMap without .map suffix
- file: options.outFileName || (typeof options.outSourceMap === 'string' ? options.outSourceMap.replace(/\.map$/i, '') : null),
- orig: inMap,
- root: options.sourceRoot
- });
- if (options.sourceMapIncludeSources) {
- for (var file in sourcesContent) {
- if (sourcesContent.hasOwnProperty(file)) {
- output.source_map.get().setSourceContent(file, sourcesContent[file]);
- }
- }
- }
- }
- if (options.output) {
- UglifyJS.merge(output, options.output);
- }
- var stream = UglifyJS.OutputStream(output);
- toplevel.print(stream);
- var source_map = output.source_map;
- if (source_map) {
- source_map = source_map + "";
- }
- var mappingUrlPrefix = "\n//# sourceMappingURL=";
- if (options.sourceMapInline) {
- stream += mappingUrlPrefix + "data:application/json;charset=utf-8;base64," + new Buffer(source_map).toString("base64");
- } else if (options.outSourceMap && typeof options.outSourceMap === "string" && options.sourceMapUrl !== false) {
- stream += mappingUrlPrefix + (typeof options.sourceMapUrl === "string" ? options.sourceMapUrl : options.outSourceMap);
- }
- return {
- code : stream + "",
- map : source_map
- };
- };
- // UglifyJS.describe_ast = function() {
- // function doitem(ctor) {
- // var sub = {};
- // ctor.SUBCLASSES.forEach(function(ctor){
- // sub[ctor.TYPE] = doitem(ctor);
- // });
- // var ret = {};
- // if (ctor.SELF_PROPS.length > 0) ret.props = ctor.SELF_PROPS;
- // if (ctor.SUBCLASSES.length > 0) ret.sub = sub;
- // return ret;
- // }
- // return doitem(UglifyJS.AST_Node).sub;
- // }
- UglifyJS.describe_ast = function() {
- var out = UglifyJS.OutputStream({ beautify: true });
- function doitem(ctor) {
- out.print("AST_" + ctor.TYPE);
- var props = ctor.SELF_PROPS.filter(function(prop){
- return !/^\$/.test(prop);
- });
- if (props.length > 0) {
- out.space();
- out.with_parens(function(){
- props.forEach(function(prop, i){
- if (i) out.space();
- out.print(prop);
- });
- });
- }
- if (ctor.documentation) {
- out.space();
- out.print_string(ctor.documentation);
- }
- if (ctor.SUBCLASSES.length > 0) {
- out.space();
- out.with_block(function(){
- ctor.SUBCLASSES.forEach(function(ctor, i){
- out.indent();
- doitem(ctor);
- out.newline();
- });
- });
- }
- };
- doitem(UglifyJS.AST_Node);
- return out + "";
- };
- function readReservedFile(filename, reserved) {
- if (!reserved) {
- reserved = { vars: [], props: [] };
- }
- var data = fs.readFileSync(filename, "utf8");
- data = JSON.parse(data);
- if (data.vars) {
- data.vars.forEach(function(name){
- UglifyJS.push_uniq(reserved.vars, name);
- });
- }
- if (data.props) {
- data.props.forEach(function(name){
- UglifyJS.push_uniq(reserved.props, name);
- });
- }
- return reserved;
- }
- UglifyJS.readReservedFile = readReservedFile;
- UglifyJS.readDefaultReservedFile = function(reserved) {
- return readReservedFile(require.resolve("./domprops.json"), reserved);
- };
- UglifyJS.readNameCache = function(filename, key) {
- var cache = null;
- if (filename) {
- try {
- var cache = fs.readFileSync(filename, "utf8");
- cache = JSON.parse(cache)[key];
- if (!cache) throw "init";
- cache.props = UglifyJS.Dictionary.fromObject(cache.props);
- } catch(ex) {
- cache = {
- cname: -1,
- props: new UglifyJS.Dictionary()
- };
- }
- }
- return cache;
- };
- UglifyJS.writeNameCache = function(filename, key, cache) {
- if (filename) {
- var data;
- try {
- data = fs.readFileSync(filename, "utf8");
- data = JSON.parse(data);
- } catch(ex) {
- data = {};
- }
- data[key] = {
- cname: cache.cname,
- props: cache.props.toObject()
- };
- fs.writeFileSync(filename, JSON.stringify(data, null, 2), "utf8");
- }
- };
- // A file glob function that only supports "*" and "?" wildcards in the basename.
- // Example: "foo/bar/*baz??.*.js"
- // Argument `glob` may be a string or an array of strings.
- // Returns an array of strings. Garbage in, garbage out.
- UglifyJS.simple_glob = function simple_glob(glob) {
- if (Array.isArray(glob)) {
- return [].concat.apply([], glob.map(simple_glob));
- }
- if (glob.match(/\*|\?/)) {
- var dir = path.dirname(glob);
- try {
- var entries = fs.readdirSync(dir);
- } catch (ex) {}
- if (entries) {
- var pattern = "^" + path.basename(glob)
- .replace(/[.+^$[\]\\(){}]/g, "\\$&")
- .replace(/\*/g, "[^/\\\\]*")
- .replace(/\?/g, "[^/\\\\]") + "$";
- var mod = process.platform === "win32" ? "i" : "";
- var rx = new RegExp(pattern, mod);
- var results = entries.filter(function(name) {
- return rx.test(name);
- }).map(function(name) {
- return path.join(dir, name);
- });
- if (results.length) return results;
- }
- }
- return [ glob ];
- };
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