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948
node_modules/uglify-js/bin/uglifyjs
generated
vendored
948
node_modules/uglify-js/bin/uglifyjs
generated
vendored
@@ -3,633 +3,415 @@
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"use strict";
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var UglifyJS = require("../tools/node");
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var sys = require("util");
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var yargs = require("yargs");
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require("../tools/exit");
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var fs = require("fs");
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var info = require("../package.json");
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var path = require("path");
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var acorn;
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var screw_ie8 = true;
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var ARGS = yargs
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.usage("$0 input1.js [input2.js ...] [options]\n\
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Use a single dash to read input from the standard input.\
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\n\n\
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NOTE: by default there is no mangling/compression.\n\
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Without [options] it will simply parse input files and dump the AST\n\
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with whitespace and comments discarded. To achieve compression and\n\
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mangling you need to use `-c` and `-m`.\
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")
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.describe("source-map", "Specify an output file where to generate source map.")
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.describe("source-map-root", "The path to the original source to be included in the source map.")
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.describe("source-map-url", "The path to the source map to be added in //# sourceMappingURL. Defaults to the value passed with --source-map.")
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.describe("source-map-inline", "Write base64-encoded source map to the end of js output. Disabled by default")
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.describe("source-map-include-sources", "Pass this flag if you want to include the content of source files in the source map as sourcesContent property.")
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.describe("in-source-map", "Input source map, useful if you're compressing JS that was generated from some other original code.")
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.describe("screw-ie8", "Do not support Internet Explorer 6/7/8. This flag is enabled by default.")
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.describe("support-ie8", "Support non-standard Internet Explorer 6/7/8 javascript.")
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.describe("expr", "Parse a single expression, rather than a program (for parsing JSON)")
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.describe("p", "Skip prefix for original filenames that appear in source maps. \
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For example -p 3 will drop 3 directories from file names and ensure they are relative paths. \
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You can also specify -p relative, which will make UglifyJS figure out itself the relative paths between original sources, \
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the source map and the output file.")
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.describe("o", "Output file (default STDOUT).")
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.describe("b", "Beautify output/specify output options.")
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.describe("m", "Mangle names/pass mangler options.")
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.describe("r", "Reserved names to exclude from mangling.")
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.describe("c", "Enable compressor/pass compressor options. \
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Pass options like -c hoist_vars=false,if_return=false. \
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Use -c with no argument to use the default compression options.")
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.describe("d", "Global definitions")
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.describe("e", "Embed everything in a big function, with a configurable parameter/argument list.")
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var program = require("commander");
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var UglifyJS = require("../tools/node");
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.describe("comments", "Preserve copyright comments in the output. \
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By default this works like Google Closure, keeping JSDoc-style comments that contain \"@license\" or \"@preserve\". \
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You can optionally pass one of the following arguments to this flag:\n\
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- \"all\" to keep all comments\n\
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- a valid JS RegExp like `/foo/`or `/^!/` to keep only matching comments.\n\
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\
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Note that currently not *all* comments can be kept when compression is on, \
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because of dead code removal or cascading statements into sequences.")
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.describe("preamble", "Preamble to prepend to the output. You can use this to insert a \
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comment, for example for licensing information. This will not be \
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parsed, but the source map will adjust for its presence.")
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.describe("stats", "Display operations run time on STDERR.")
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.describe("acorn", "Use Acorn for parsing.")
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.describe("spidermonkey", "Assume input files are SpiderMonkey AST format (as JSON).")
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.describe("self", "Build itself (UglifyJS2) as a library (implies --wrap=UglifyJS --export-all)")
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.describe("wrap", "Embed everything in a big function, making the “exports” and “global” variables available. \
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You need to pass an argument to this option to specify the name that your module will take when included in, say, a browser.")
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.describe("export-all", "Only used when --wrap, this tells UglifyJS to add code to automatically export all globals.")
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.describe("lint", "Display some scope warnings")
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.describe("v", "Verbose")
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.describe("V", "Print version number and exit.")
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.describe("noerr", "Don't throw an error for unknown options in -c, -b or -m.")
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.describe("bare-returns", "Allow return outside of functions. Useful when minifying CommonJS modules.")
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.describe("keep-fnames", "Do not mangle/drop function names. Useful for code relying on Function.prototype.name.")
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.describe("quotes", "Quote style (0 - auto, 1 - single, 2 - double, 3 - original)")
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.describe("reserved-file", "File containing reserved names")
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.describe("reserve-domprops", "Make (most?) DOM properties reserved for --mangle-props")
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.describe("mangle-props", "Mangle property names (0 - disabled, 1 - mangle all properties, 2 - mangle unquoted properies)")
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.describe("mangle-regex", "Only mangle property names matching the regex")
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.describe("name-cache", "File to hold mangled names mappings")
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.describe("pure-funcs", "List of functions that can be safely removed if their return value is not used")
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.describe("dump-spidermonkey-ast", "Dump SpiderMonkey AST to stdout.")
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.describe("wrap-iife", "Wrap IIFEs in parenthesis. Note: this disables the negate_iife compression option")
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.alias("p", "prefix")
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.alias("o", "output")
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.alias("v", "verbose")
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.alias("b", "beautify")
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.alias("m", "mangle")
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.alias("c", "compress")
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.alias("d", "define")
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.alias("r", "reserved")
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.alias("V", "version")
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.alias("e", "enclose")
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.alias("q", "quotes")
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.string("source-map")
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.string("source-map-root")
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.string("source-map-url")
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.string("b")
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.string("beautify")
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.string("m")
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.string("mangle")
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.string("mangle-props-debug")
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.string("c")
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.string("compress")
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.string("d")
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.string("define")
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.string("e")
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.string("enclose")
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.string("comments")
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.string("wrap")
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.string("p")
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.string("prefix")
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.string("name-cache")
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.array("reserved-file")
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.array("pure-funcs")
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.boolean("expr")
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.boolean("source-map-inline")
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.boolean("source-map-include-sources")
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.boolean("screw-ie8")
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.boolean("support-ie8")
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.boolean("export-all")
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.boolean("self")
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.boolean("v")
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.boolean("verbose")
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.boolean("stats")
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.boolean("acorn")
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.boolean("spidermonkey")
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.boolean("dump-spidermonkey-ast")
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.boolean("lint")
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.boolean("V")
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.boolean("version")
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.boolean("noerr")
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.boolean("bare-returns")
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.boolean("keep-fnames")
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.boolean("reserve-domprops")
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.boolean("wrap-iife")
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.wrap(80)
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.argv
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;
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normalize(ARGS);
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if (ARGS.noerr) {
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UglifyJS.DefaultsError.croak = function(msg, defs) {
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print_error("WARN: " + msg);
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var skip_keys = [ "cname", "inlined", "parent_scope", "scope", "uses_eval", "uses_with" ];
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var files = {};
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var options = {
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compress: false,
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mangle: false
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};
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program.version(info.name + " " + info.version);
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program.parseArgv = program.parse;
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program.parse = undefined;
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if (process.argv.indexOf("ast") >= 0) program.helpInformation = UglifyJS.describe_ast;
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else if (process.argv.indexOf("options") >= 0) program.helpInformation = function() {
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var text = [];
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var options = UglifyJS.default_options();
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for (var option in options) {
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text.push("--" + (option == "output" ? "beautify" : option == "sourceMap" ? "source-map" : option) + " options:");
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text.push(format_object(options[option]));
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text.push("");
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}
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return text.join("\n");
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};
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program.option("-p, --parse <options>", "Specify parser options.", parse_js());
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program.option("-c, --compress [options]", "Enable compressor/specify compressor options.", parse_js());
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program.option("-m, --mangle [options]", "Mangle names/specify mangler options.", parse_js());
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program.option("--mangle-props [options]", "Mangle properties/specify mangler options.", parse_js());
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program.option("-b, --beautify [options]", "Beautify output/specify output options.", parse_js());
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program.option("-o, --output <file>", "Output file (default STDOUT).");
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program.option("--comments [filter]", "Preserve copyright comments in the output.");
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program.option("--config-file <file>", "Read minify() options from JSON file.");
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program.option("-d, --define <expr>[=value]", "Global definitions.", parse_js("define"));
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program.option("-e, --enclose [arg[,...][:value[,...]]]", "Embed everything in a big function, with configurable argument(s) & value(s).");
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program.option("--ie8", "Support non-standard Internet Explorer 8.");
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program.option("--keep-fnames", "Do not mangle/drop function names. Useful for code relying on Function.prototype.name.");
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program.option("--name-cache <file>", "File to hold mangled name mappings.");
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program.option("--rename", "Force symbol expansion.");
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program.option("--no-rename", "Disable symbol expansion.");
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program.option("--self", "Build UglifyJS as a library (implies --wrap UglifyJS)");
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program.option("--source-map [options]", "Enable source map/specify source map options.", parse_js());
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program.option("--timings", "Display operations run time on STDERR.");
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program.option("--toplevel", "Compress and/or mangle variables in toplevel scope.");
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program.option("--verbose", "Print diagnostic messages.");
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program.option("--warn", "Print warning messages.");
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program.option("--wrap <name>", "Embed everything as a function with “exports” corresponding to “name” globally.");
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program.arguments("[files...]").parseArgv(process.argv);
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if (program.configFile) {
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options = JSON.parse(read_file(program.configFile));
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}
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if (!program.output && program.sourceMap && program.sourceMap.url != "inline") {
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fatal("ERROR: cannot write source map to STDOUT");
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}
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[
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"compress",
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"enclose",
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"ie8",
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"mangle",
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"sourceMap",
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"toplevel",
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"wrap"
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].forEach(function(name) {
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if (name in program) {
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options[name] = program[name];
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}
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});
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if (program.beautify) {
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options.output = typeof program.beautify == "object" ? program.beautify : {};
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if (!("beautify" in options.output)) {
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options.output.beautify = true;
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}
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}
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if (program.comments) {
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if (typeof options.output != "object") options.output = {};
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options.output.comments = typeof program.comments == "string" ? program.comments : "some";
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}
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if (program.define) {
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if (typeof options.compress != "object") options.compress = {};
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if (typeof options.compress.global_defs != "object") options.compress.global_defs = {};
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for (var expr in program.define) {
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options.compress.global_defs[expr] = program.define[expr];
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}
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}
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if (program.keepFnames) {
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options.keep_fnames = true;
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}
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if (program.mangleProps) {
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if (program.mangleProps.domprops) {
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delete program.mangleProps.domprops;
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} else {
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if (typeof program.mangleProps != "object") program.mangleProps = {};
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if (!Array.isArray(program.mangleProps.reserved)) program.mangleProps.reserved = [];
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require("../tools/domprops").forEach(function(name) {
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UglifyJS.push_uniq(program.mangleProps.reserved, name);
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});
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}
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if (typeof options.mangle != "object") options.mangle = {};
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options.mangle.properties = program.mangleProps;
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}
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if (program.nameCache) {
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options.nameCache = JSON.parse(read_file(program.nameCache, "{}"));
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}
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if (program.output == "ast") {
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options.output = {
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ast: true,
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code: false
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};
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}
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if (ARGS.version || ARGS.V) {
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var json = require("../package.json");
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print(json.name + ' ' + json.version);
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process.exit(0);
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if (program.parse) {
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if (!program.parse.acorn && !program.parse.spidermonkey) {
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options.parse = program.parse;
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} else if (program.sourceMap && program.sourceMap.content == "inline") {
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fatal("ERROR: inline source map only works with built-in parser");
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}
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}
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if (ARGS.ast_help) {
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var desc = UglifyJS.describe_ast();
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print(typeof desc == "string" ? desc : JSON.stringify(desc, null, 2));
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process.exit(0);
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if (~program.rawArgs.indexOf("--rename")) {
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options.rename = true;
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} else if (!program.rename) {
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options.rename = false;
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}
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if (ARGS.h || ARGS.help) {
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print(yargs.help());
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process.exit(0);
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}
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if (ARGS.acorn) {
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acorn = require("acorn");
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}
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var COMPRESS = getOptions("c", true);
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var MANGLE = getOptions("m", true);
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var BEAUTIFY = getOptions("b", true);
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var RESERVED = null;
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if (ARGS.reserved_file) ARGS.reserved_file.forEach(function(filename){
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RESERVED = UglifyJS.readReservedFile(filename, RESERVED);
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});
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if (ARGS.reserve_domprops) {
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RESERVED = UglifyJS.readDefaultReservedFile(RESERVED);
|
||||
}
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if (ARGS.d) {
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if (COMPRESS) COMPRESS.global_defs = getOptions("d");
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}
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||||
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||||
if (ARGS.pure_funcs) {
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||||
if (COMPRESS) COMPRESS.pure_funcs = ARGS.pure_funcs;
|
||||
}
|
||||
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if (ARGS.r) {
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||||
if (MANGLE) MANGLE.except = ARGS.r.replace(/^\s+|\s+$/g).split(/\s*,+\s*/);
|
||||
}
|
||||
|
||||
if (RESERVED && MANGLE) {
|
||||
if (!MANGLE.except) MANGLE.except = RESERVED.vars;
|
||||
else MANGLE.except = MANGLE.except.concat(RESERVED.vars);
|
||||
}
|
||||
|
||||
function readNameCache(key) {
|
||||
return UglifyJS.readNameCache(ARGS.name_cache, key);
|
||||
}
|
||||
|
||||
function writeNameCache(key, cache) {
|
||||
return UglifyJS.writeNameCache(ARGS.name_cache, key, cache);
|
||||
}
|
||||
|
||||
function extractRegex(str) {
|
||||
if (/^\/.*\/[a-zA-Z]*$/.test(str)) {
|
||||
var regex_pos = str.lastIndexOf("/");
|
||||
return new RegExp(str.substr(1, regex_pos - 1), str.substr(regex_pos + 1));
|
||||
} else {
|
||||
throw new Error("Invalid regular expression: " + str);
|
||||
}
|
||||
}
|
||||
|
||||
if (ARGS.quotes === true) {
|
||||
ARGS.quotes = 3;
|
||||
}
|
||||
|
||||
if (ARGS.mangle_props === true) {
|
||||
ARGS.mangle_props = 1;
|
||||
} else if (ARGS.mangle_props === "unquoted") {
|
||||
ARGS.mangle_props = 2;
|
||||
}
|
||||
|
||||
var OUTPUT_OPTIONS = {
|
||||
beautify : BEAUTIFY ? true : false,
|
||||
max_line_len : 32000,
|
||||
preamble : ARGS.preamble || null,
|
||||
quote_style : ARGS.quotes != null ? ARGS.quotes : 0,
|
||||
var convert_path = function(name) {
|
||||
return name;
|
||||
};
|
||||
|
||||
if (ARGS.mangle_props == 2) {
|
||||
OUTPUT_OPTIONS.keep_quoted_props = true;
|
||||
if (COMPRESS && !("properties" in COMPRESS))
|
||||
COMPRESS.properties = false;
|
||||
if (typeof program.sourceMap == "object" && "base" in program.sourceMap) {
|
||||
convert_path = function() {
|
||||
var base = program.sourceMap.base;
|
||||
delete options.sourceMap.base;
|
||||
return function(name) {
|
||||
return path.relative(base, name);
|
||||
};
|
||||
}();
|
||||
}
|
||||
|
||||
if (ARGS.support_ie8 === true && ARGS.screw_ie8 !== true) {
|
||||
screw_ie8 = false;
|
||||
if (program.verbose) {
|
||||
options.warnings = "verbose";
|
||||
} else if (program.warn) {
|
||||
options.warnings = true;
|
||||
}
|
||||
|
||||
if (COMPRESS) COMPRESS.screw_ie8 = screw_ie8;
|
||||
if (MANGLE) MANGLE.screw_ie8 = screw_ie8;
|
||||
OUTPUT_OPTIONS.screw_ie8 = screw_ie8;
|
||||
|
||||
if (ARGS.keep_fnames) {
|
||||
if (COMPRESS) COMPRESS.keep_fnames = true;
|
||||
if (MANGLE) MANGLE.keep_fnames = true;
|
||||
}
|
||||
|
||||
if (ARGS.wrap_iife) {
|
||||
if (COMPRESS) COMPRESS.negate_iife = false;
|
||||
OUTPUT_OPTIONS.wrap_iife = true;
|
||||
}
|
||||
|
||||
if (BEAUTIFY)
|
||||
UglifyJS.merge(OUTPUT_OPTIONS, BEAUTIFY);
|
||||
|
||||
if (ARGS.comments === "") {
|
||||
OUTPUT_OPTIONS.comments = "some";
|
||||
} else {
|
||||
OUTPUT_OPTIONS.comments = ARGS.comments;
|
||||
}
|
||||
|
||||
var files = ARGS._.slice();
|
||||
|
||||
if (process.platform === "win32")
|
||||
files = UglifyJS.simple_glob(files);
|
||||
|
||||
if (ARGS.self) {
|
||||
if (files.length > 0) {
|
||||
if (program.self) {
|
||||
if (program.args.length) {
|
||||
print_error("WARN: Ignoring input files since --self was passed");
|
||||
}
|
||||
files = UglifyJS.FILES;
|
||||
if (!ARGS.wrap) ARGS.wrap = "UglifyJS";
|
||||
if (!options.wrap) options.wrap = "UglifyJS";
|
||||
simple_glob(UglifyJS.FILES).forEach(function(name) {
|
||||
files[convert_path(name)] = read_file(name);
|
||||
});
|
||||
run();
|
||||
} else if (program.args.length) {
|
||||
simple_glob(program.args).forEach(function(name) {
|
||||
files[convert_path(name)] = read_file(name);
|
||||
});
|
||||
run();
|
||||
} else {
|
||||
var chunks = [];
|
||||
process.stdin.setEncoding("utf8");
|
||||
process.stdin.on("data", function(chunk) {
|
||||
chunks.push(chunk);
|
||||
}).on("end", function() {
|
||||
files = [ chunks.join("") ];
|
||||
run();
|
||||
});
|
||||
process.stdin.resume();
|
||||
}
|
||||
|
||||
var ORIG_MAP = ARGS.in_source_map;
|
||||
function convert_ast(fn) {
|
||||
return UglifyJS.AST_Node.from_mozilla_ast(Object.keys(files).reduce(fn, null));
|
||||
}
|
||||
|
||||
if (ORIG_MAP && ORIG_MAP != "inline") {
|
||||
ORIG_MAP = JSON.parse(fs.readFileSync(ORIG_MAP));
|
||||
if (files.length == 0) {
|
||||
print_error("INFO: Using file from the input source map: " + ORIG_MAP.file);
|
||||
files = [ ORIG_MAP.file ];
|
||||
function run() {
|
||||
UglifyJS.AST_Node.warn_function = function(msg) {
|
||||
print_error("WARN: " + msg);
|
||||
};
|
||||
var content = program.sourceMap && program.sourceMap.content;
|
||||
if (content && content != "inline") {
|
||||
print_error("INFO: Using input source map: " + content);
|
||||
options.sourceMap.content = read_file(content, content);
|
||||
}
|
||||
}
|
||||
|
||||
if (files.length == 0) {
|
||||
files = [ "-" ];
|
||||
}
|
||||
|
||||
if (ORIG_MAP == "inline") {
|
||||
if (files.length > 1) {
|
||||
print_error("ERROR: Inline source map only works with singular input");
|
||||
process.exit(1);
|
||||
}
|
||||
if (ARGS.acorn || ARGS.spidermonkey) {
|
||||
print_error("ERROR: Inline source map only works with built-in parser");
|
||||
process.exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
if (files.indexOf("-") >= 0 && ARGS.source_map) {
|
||||
print_error("ERROR: Source map doesn't work with input from STDIN");
|
||||
process.exit(1);
|
||||
}
|
||||
|
||||
if (files.filter(function(el){ return el == "-" }).length > 1) {
|
||||
print_error("ERROR: Can read a single file from STDIN (two or more dashes specified)");
|
||||
process.exit(1);
|
||||
}
|
||||
|
||||
var STATS = {};
|
||||
var TOPLEVEL = null;
|
||||
var P_RELATIVE = ARGS.p && ARGS.p == "relative";
|
||||
var SOURCES_CONTENT = {};
|
||||
var index = 0;
|
||||
|
||||
!function cb() {
|
||||
if (index == files.length) return done();
|
||||
var file = files[index++];
|
||||
read_whole_file(file, function (err, code) {
|
||||
if (err) {
|
||||
print_error("ERROR: can't read file: " + file);
|
||||
process.exit(1);
|
||||
}
|
||||
if (ORIG_MAP == "inline") {
|
||||
ORIG_MAP = read_source_map(code);
|
||||
}
|
||||
if (ARGS.p != null) {
|
||||
if (P_RELATIVE) {
|
||||
file = path.relative(path.dirname(ARGS.source_map), file).replace(/\\/g, '/');
|
||||
} else {
|
||||
var p = parseInt(ARGS.p, 10);
|
||||
if (!isNaN(p)) {
|
||||
file = file.replace(/^\/+/, "").split(/\/+/).slice(ARGS.p).join("/");
|
||||
}
|
||||
}
|
||||
}
|
||||
SOURCES_CONTENT[file] = code;
|
||||
time_it("parse", function(){
|
||||
if (ARGS.spidermonkey) {
|
||||
var program = JSON.parse(code);
|
||||
if (!TOPLEVEL) TOPLEVEL = program;
|
||||
else TOPLEVEL.body = TOPLEVEL.body.concat(program.body);
|
||||
}
|
||||
else if (ARGS.acorn) {
|
||||
TOPLEVEL = acorn.parse(code, {
|
||||
locations : true,
|
||||
sourceFile : file,
|
||||
program : TOPLEVEL
|
||||
if (program.timings) options.timings = true;
|
||||
try {
|
||||
if (program.parse) {
|
||||
if (program.parse.acorn) {
|
||||
files = convert_ast(function(toplevel, name) {
|
||||
return require("acorn").parse(files[name], {
|
||||
locations: true,
|
||||
program: toplevel,
|
||||
sourceFile: name
|
||||
});
|
||||
});
|
||||
} else if (program.parse.spidermonkey) {
|
||||
files = convert_ast(function(toplevel, name) {
|
||||
var obj = JSON.parse(files[name]);
|
||||
if (!toplevel) return obj;
|
||||
toplevel.body = toplevel.body.concat(obj.body);
|
||||
return toplevel;
|
||||
});
|
||||
}
|
||||
else {
|
||||
try {
|
||||
TOPLEVEL = UglifyJS.parse(code, {
|
||||
filename : file,
|
||||
toplevel : TOPLEVEL,
|
||||
expression : ARGS.expr,
|
||||
bare_returns : ARGS.bare_returns,
|
||||
});
|
||||
} catch(ex) {
|
||||
if (ex instanceof UglifyJS.JS_Parse_Error) {
|
||||
print_error("Parse error at " + file + ":" + ex.line + "," + ex.col);
|
||||
var col = ex.col;
|
||||
var lines = code.split(/\r?\n/);
|
||||
var line = lines[ex.line - 1];
|
||||
if (!line && !col) {
|
||||
line = lines[ex.line - 2];
|
||||
col = line.length;
|
||||
}
|
||||
if (line) {
|
||||
if (col > 40) {
|
||||
line = line.slice(col - 40);
|
||||
col = 40;
|
||||
}
|
||||
print_error(line.slice(0, 80));
|
||||
print_error(line.slice(0, col).replace(/\S/g, " ") + "^");
|
||||
}
|
||||
print_error(ex.stack);
|
||||
process.exit(1);
|
||||
}
|
||||
throw ex;
|
||||
}
|
||||
} catch (ex) {
|
||||
fatal(ex);
|
||||
}
|
||||
var result = UglifyJS.minify(files, options);
|
||||
if (result.error) {
|
||||
var ex = result.error;
|
||||
if (ex.name == "SyntaxError") {
|
||||
print_error("Parse error at " + ex.filename + ":" + ex.line + "," + ex.col);
|
||||
var col = ex.col;
|
||||
var lines = files[ex.filename].split(/\r?\n/);
|
||||
var line = lines[ex.line - 1];
|
||||
if (!line && !col) {
|
||||
line = lines[ex.line - 2];
|
||||
col = line.length;
|
||||
}
|
||||
if (line) {
|
||||
var limit = 70;
|
||||
if (col > limit) {
|
||||
line = line.slice(col - limit);
|
||||
col = limit;
|
||||
}
|
||||
};
|
||||
});
|
||||
cb();
|
||||
});
|
||||
}();
|
||||
|
||||
function done() {
|
||||
var OUTPUT_FILE = ARGS.o;
|
||||
|
||||
var SOURCE_MAP = (ARGS.source_map || ARGS.source_map_inline) ? UglifyJS.SourceMap({
|
||||
file: P_RELATIVE ? path.relative(path.dirname(ARGS.source_map), OUTPUT_FILE) : OUTPUT_FILE,
|
||||
root: ARGS.source_map_root || ORIG_MAP && ORIG_MAP.sourceRoot,
|
||||
orig: ORIG_MAP,
|
||||
}) : null;
|
||||
|
||||
OUTPUT_OPTIONS.source_map = SOURCE_MAP;
|
||||
|
||||
try {
|
||||
var output = UglifyJS.OutputStream(OUTPUT_OPTIONS);
|
||||
var compressor = COMPRESS && UglifyJS.Compressor(COMPRESS);
|
||||
} catch(ex) {
|
||||
if (ex instanceof UglifyJS.DefaultsError) {
|
||||
print_error(ex.message);
|
||||
print_error(line.slice(0, 80));
|
||||
print_error(line.slice(0, col).replace(/\S/g, " ") + "^");
|
||||
}
|
||||
}
|
||||
if (ex.defs) {
|
||||
print_error("Supported options:");
|
||||
print_error(sys.inspect(ex.defs));
|
||||
process.exit(1);
|
||||
print_error(format_object(ex.defs));
|
||||
}
|
||||
}
|
||||
|
||||
if (ARGS.acorn || ARGS.spidermonkey) time_it("convert_ast", function(){
|
||||
TOPLEVEL = UglifyJS.AST_Node.from_mozilla_ast(TOPLEVEL);
|
||||
});
|
||||
|
||||
if (ARGS.wrap != null) {
|
||||
TOPLEVEL = TOPLEVEL.wrap_commonjs(ARGS.wrap, ARGS.export_all);
|
||||
}
|
||||
|
||||
if (ARGS.enclose != null) {
|
||||
var arg_parameter_list = ARGS.enclose;
|
||||
if (arg_parameter_list === true) {
|
||||
arg_parameter_list = [];
|
||||
fatal(ex);
|
||||
} else if (program.output == "ast") {
|
||||
if (!options.compress && !options.mangle) {
|
||||
result.ast.figure_out_scope({});
|
||||
}
|
||||
else if (!(arg_parameter_list instanceof Array)) {
|
||||
arg_parameter_list = [arg_parameter_list];
|
||||
}
|
||||
TOPLEVEL = TOPLEVEL.wrap_enclose(arg_parameter_list);
|
||||
}
|
||||
|
||||
if (ARGS.mangle_props || ARGS.name_cache) (function(){
|
||||
var reserved = RESERVED ? RESERVED.props : null;
|
||||
var cache = readNameCache("props");
|
||||
var regex;
|
||||
|
||||
try {
|
||||
regex = ARGS.mangle_regex ? extractRegex(ARGS.mangle_regex) : null;
|
||||
} catch (e) {
|
||||
print_error("ERROR: Invalid --mangle-regex: " + e.message);
|
||||
process.exit(1);
|
||||
}
|
||||
|
||||
TOPLEVEL = UglifyJS.mangle_properties(TOPLEVEL, {
|
||||
reserved : reserved,
|
||||
cache : cache,
|
||||
only_cache : !ARGS.mangle_props,
|
||||
regex : regex,
|
||||
ignore_quoted : ARGS.mangle_props == 2,
|
||||
debug : typeof ARGS.mangle_props_debug === "undefined" ? false : ARGS.mangle_props_debug
|
||||
});
|
||||
writeNameCache("props", cache);
|
||||
})();
|
||||
|
||||
var SCOPE_IS_NEEDED = COMPRESS || MANGLE || ARGS.lint
|
||||
var TL_CACHE = readNameCache("vars");
|
||||
if (MANGLE) MANGLE.cache = TL_CACHE;
|
||||
|
||||
if (SCOPE_IS_NEEDED) {
|
||||
time_it("scope", function(){
|
||||
TOPLEVEL.figure_out_scope(MANGLE || { screw_ie8: screw_ie8, cache: TL_CACHE });
|
||||
if (ARGS.lint) {
|
||||
TOPLEVEL.scope_warnings();
|
||||
print(JSON.stringify(result.ast, function(key, value) {
|
||||
if (value) switch (key) {
|
||||
case "thedef":
|
||||
return symdef(value);
|
||||
case "enclosed":
|
||||
return value.length ? value.map(symdef) : undefined;
|
||||
case "variables":
|
||||
case "functions":
|
||||
case "globals":
|
||||
return value.size() ? value.map(symdef) : undefined;
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
if (COMPRESS) {
|
||||
time_it("squeeze", function(){
|
||||
TOPLEVEL = compressor.compress(TOPLEVEL);
|
||||
});
|
||||
}
|
||||
|
||||
if (SCOPE_IS_NEEDED) {
|
||||
time_it("scope", function(){
|
||||
TOPLEVEL.figure_out_scope(MANGLE || { screw_ie8: screw_ie8, cache: TL_CACHE });
|
||||
if (MANGLE && !TL_CACHE) {
|
||||
TOPLEVEL.compute_char_frequency(MANGLE);
|
||||
if (skip_key(key)) return;
|
||||
if (value instanceof UglifyJS.AST_Token) return;
|
||||
if (value instanceof UglifyJS.Dictionary) return;
|
||||
if (value instanceof UglifyJS.AST_Node) {
|
||||
var result = {
|
||||
_class: "AST_" + value.TYPE
|
||||
};
|
||||
value.CTOR.PROPS.forEach(function(prop) {
|
||||
result[prop] = value[prop];
|
||||
});
|
||||
return result;
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
if (MANGLE) time_it("mangle", function(){
|
||||
TOPLEVEL.mangle_names(MANGLE);
|
||||
});
|
||||
|
||||
writeNameCache("vars", TL_CACHE);
|
||||
|
||||
if (ARGS.source_map_include_sources) {
|
||||
for (var file in SOURCES_CONTENT) {
|
||||
if (SOURCES_CONTENT.hasOwnProperty(file)) {
|
||||
SOURCE_MAP.get().setSourceContent(file, SOURCES_CONTENT[file]);
|
||||
return value;
|
||||
}, 2));
|
||||
} else if (program.output == "spidermonkey") {
|
||||
print(JSON.stringify(UglifyJS.minify(result.code, {
|
||||
compress: false,
|
||||
mangle: false,
|
||||
output: {
|
||||
ast: true,
|
||||
code: false
|
||||
}
|
||||
}).ast.to_mozilla_ast(), null, 2));
|
||||
} else if (program.output) {
|
||||
fs.writeFileSync(program.output, result.code);
|
||||
if (result.map) {
|
||||
fs.writeFileSync(program.output + ".map", result.map);
|
||||
}
|
||||
}
|
||||
|
||||
if (ARGS.dump_spidermonkey_ast) {
|
||||
print(JSON.stringify(TOPLEVEL.to_mozilla_ast(), null, 2));
|
||||
} else {
|
||||
time_it("generate", function(){
|
||||
TOPLEVEL.print(output);
|
||||
});
|
||||
print(result.code);
|
||||
}
|
||||
if (program.nameCache) {
|
||||
fs.writeFileSync(program.nameCache, JSON.stringify(options.nameCache));
|
||||
}
|
||||
if (result.timings) for (var phase in result.timings) {
|
||||
print_error("- " + phase + ": " + result.timings[phase].toFixed(3) + "s");
|
||||
}
|
||||
}
|
||||
|
||||
output = output.get();
|
||||
function fatal(message) {
|
||||
if (message instanceof Error) message = message.stack.replace(/^\S*?Error:/, "ERROR:")
|
||||
print_error(message);
|
||||
process.exit(1);
|
||||
}
|
||||
|
||||
if (SOURCE_MAP) {
|
||||
if (ARGS.source_map_inline) {
|
||||
var base64_string = new Buffer(SOURCE_MAP.toString()).toString('base64');
|
||||
output += "\n//# sourceMappingURL=data:application/json;charset=utf-8;base64," + base64_string;
|
||||
} else {
|
||||
fs.writeFileSync(ARGS.source_map, SOURCE_MAP, "utf8");
|
||||
var source_map_url = ARGS.source_map_url || (
|
||||
P_RELATIVE
|
||||
? path.relative(path.dirname(OUTPUT_FILE), ARGS.source_map)
|
||||
: ARGS.source_map
|
||||
);
|
||||
output += "\n//# sourceMappingURL=" + source_map_url;
|
||||
}
|
||||
}
|
||||
|
||||
if (OUTPUT_FILE) {
|
||||
fs.writeFileSync(OUTPUT_FILE, output, "utf8");
|
||||
} else {
|
||||
print(output);
|
||||
// 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.
|
||||
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 ];
|
||||
}
|
||||
|
||||
if (ARGS.stats) {
|
||||
print_error(UglifyJS.string_template("Timing information (compressed {count} files):", {
|
||||
count: files.length
|
||||
}));
|
||||
for (var i in STATS) if (STATS.hasOwnProperty(i)) {
|
||||
print_error(UglifyJS.string_template("- {name}: {time}s", {
|
||||
name: i,
|
||||
time: (STATS[i] / 1000).toFixed(3)
|
||||
function read_file(path, default_value) {
|
||||
try {
|
||||
return fs.readFileSync(path, "utf8");
|
||||
} catch (ex) {
|
||||
if (ex.code == "ENOENT" && default_value != null) return default_value;
|
||||
fatal(ex);
|
||||
}
|
||||
}
|
||||
|
||||
function parse_js(flag) {
|
||||
return function(value, options) {
|
||||
options = options || {};
|
||||
try {
|
||||
UglifyJS.minify(value, {
|
||||
parse: {
|
||||
expression: true
|
||||
},
|
||||
compress: false,
|
||||
mangle: false,
|
||||
output: {
|
||||
ast: true,
|
||||
code: false
|
||||
}
|
||||
}).ast.walk(new UglifyJS.TreeWalker(function(node) {
|
||||
if (node instanceof UglifyJS.AST_Assign) {
|
||||
var name = node.left.print_to_string();
|
||||
var value = node.right;
|
||||
if (flag) {
|
||||
options[name] = value;
|
||||
} else if (value instanceof UglifyJS.AST_Array) {
|
||||
options[name] = value.elements.map(to_string);
|
||||
} else {
|
||||
options[name] = to_string(value);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
if (node instanceof UglifyJS.AST_Symbol || node instanceof UglifyJS.AST_PropAccess) {
|
||||
var name = node.print_to_string();
|
||||
options[name] = true;
|
||||
return true;
|
||||
}
|
||||
if (!(node instanceof UglifyJS.AST_Sequence)) throw node;
|
||||
|
||||
function to_string(value) {
|
||||
return value instanceof UglifyJS.AST_Constant ? value.getValue() : value.print_to_string({
|
||||
quote_keys: true
|
||||
});
|
||||
}
|
||||
}));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* -----[ functions ]----- */
|
||||
|
||||
function normalize(o) {
|
||||
for (var i in o) if (o.hasOwnProperty(i) && /-/.test(i)) {
|
||||
o[i.replace(/-/g, "_")] = o[i];
|
||||
delete o[i];
|
||||
}
|
||||
}
|
||||
|
||||
function getOptions(flag, constants) {
|
||||
var x = ARGS[flag];
|
||||
if (x == null || x === false) return null;
|
||||
var ret = {};
|
||||
if (x !== "") {
|
||||
if (Array.isArray(x)) x = x.map(function (v) { return "(" + v + ")"; }).join(", ");
|
||||
|
||||
var ast;
|
||||
try {
|
||||
ast = UglifyJS.parse(x, { cli: true, expression: true });
|
||||
} catch(ex) {
|
||||
if (ex instanceof UglifyJS.JS_Parse_Error) {
|
||||
print_error("Error parsing arguments for flag `" + flag + "': " + x);
|
||||
process.exit(1);
|
||||
if (flag) {
|
||||
fatal("Error parsing arguments for '" + flag + "': " + value);
|
||||
} else {
|
||||
options[value] = null;
|
||||
}
|
||||
}
|
||||
ast.walk(new UglifyJS.TreeWalker(function(node){
|
||||
if (node instanceof UglifyJS.AST_Seq) return; // descend
|
||||
if (node instanceof UglifyJS.AST_Assign) {
|
||||
var name = node.left.print_to_string().replace(/-/g, "_");
|
||||
var value = node.right;
|
||||
if (constants)
|
||||
value = new Function("return (" + value.print_to_string() + ")")();
|
||||
ret[name] = value;
|
||||
return true; // no descend
|
||||
}
|
||||
if (node instanceof UglifyJS.AST_Symbol || node instanceof UglifyJS.AST_Binary) {
|
||||
var name = node.print_to_string().replace(/-/g, "_");
|
||||
ret[name] = true;
|
||||
return true; // no descend
|
||||
}
|
||||
print_error(node.TYPE)
|
||||
print_error("Error parsing arguments for flag `" + flag + "': " + x);
|
||||
process.exit(1);
|
||||
}));
|
||||
return options;
|
||||
}
|
||||
}
|
||||
|
||||
function skip_key(key) {
|
||||
return skip_keys.indexOf(key) >= 0;
|
||||
}
|
||||
|
||||
function symdef(def) {
|
||||
var ret = (1e6 + def.id) + " " + def.name;
|
||||
if (def.mangled_name) ret += " " + def.mangled_name;
|
||||
return ret;
|
||||
}
|
||||
|
||||
function read_whole_file(filename, cb) {
|
||||
if (filename == "-") {
|
||||
var chunks = [];
|
||||
process.stdin.setEncoding('utf-8');
|
||||
process.stdin.on('data', function (chunk) {
|
||||
chunks.push(chunk);
|
||||
}).on('end', function () {
|
||||
cb(null, chunks.join(""));
|
||||
});
|
||||
process.openStdin();
|
||||
} else {
|
||||
fs.readFile(filename, "utf-8", cb);
|
||||
}
|
||||
}
|
||||
|
||||
function read_source_map(code) {
|
||||
var match = /\n\/\/# sourceMappingURL=data:application\/json(;.*?)?;base64,(.*)/.exec(code);
|
||||
if (!match) {
|
||||
print_error("WARN: inline source map not found");
|
||||
return null;
|
||||
}
|
||||
return JSON.parse(new Buffer(match[2], "base64"));
|
||||
}
|
||||
|
||||
function time_it(name, cont) {
|
||||
var t1 = new Date().getTime();
|
||||
var ret = cont();
|
||||
if (ARGS.stats) {
|
||||
var spent = new Date().getTime() - t1;
|
||||
if (STATS[name]) STATS[name] += spent;
|
||||
else STATS[name] = spent;
|
||||
}
|
||||
return ret;
|
||||
function format_object(obj) {
|
||||
var lines = [];
|
||||
var padding = "";
|
||||
Object.keys(obj).map(function(name) {
|
||||
if (padding.length < name.length) padding = Array(name.length + 1).join(" ");
|
||||
return [ name, JSON.stringify(obj[name]) ];
|
||||
}).forEach(function(tokens) {
|
||||
lines.push(" " + tokens[0] + padding.slice(tokens[0].length - 2) + tokens[1]);
|
||||
});
|
||||
return lines.join("\n");
|
||||
}
|
||||
|
||||
function print_error(msg) {
|
||||
console.error("%s", msg);
|
||||
process.stderr.write(msg);
|
||||
process.stderr.write("\n");
|
||||
}
|
||||
|
||||
function print(txt) {
|
||||
console.log("%s", txt);
|
||||
process.stdout.write(txt);
|
||||
process.stdout.write("\n");
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user