mirror of
https://scm.univ-tours.fr/22107988t/rappaurio-sae501_502.git
synced 2025-11-04 15:35:21 +01:00
606 lines
23 KiB
JavaScript
606 lines
23 KiB
JavaScript
#! /usr/bin/env node
|
|
// -*- js -*-
|
|
|
|
"use strict";
|
|
|
|
require("../tools/tty");
|
|
|
|
var fs = require("fs");
|
|
var info = require("../package.json");
|
|
var path = require("path");
|
|
var UglifyJS = require("../tools/node");
|
|
|
|
var skip_keys = [ "cname", "fixed", "in_arg", "inlined", "length_read", "parent_scope", "redef", "scope", "unused" ];
|
|
var truthy_keys = [ "optional", "pure", "terminal", "uses_arguments", "uses_eval", "uses_with" ];
|
|
|
|
var files = {};
|
|
var options = {};
|
|
var short_forms = {
|
|
b: "beautify",
|
|
c: "compress",
|
|
d: "define",
|
|
e: "enclose",
|
|
h: "help",
|
|
m: "mangle",
|
|
o: "output",
|
|
O: "output-opts",
|
|
p: "parse",
|
|
v: "version",
|
|
V: "version",
|
|
};
|
|
var args = process.argv.slice(2);
|
|
var paths = [];
|
|
var output, nameCache;
|
|
var specified = {};
|
|
while (args.length) {
|
|
var arg = args.shift();
|
|
if (arg[0] != "-") {
|
|
paths.push(arg);
|
|
} else if (arg == "--") {
|
|
paths = paths.concat(args);
|
|
break;
|
|
} else if (arg[1] == "-") {
|
|
process_option(arg.slice(2));
|
|
} else [].forEach.call(arg.slice(1), function(letter, index, arg) {
|
|
if (!(letter in short_forms)) fatal("invalid option -" + letter);
|
|
process_option(short_forms[letter], index + 1 < arg.length);
|
|
});
|
|
}
|
|
|
|
function process_option(name, no_value) {
|
|
specified[name] = true;
|
|
switch (name) {
|
|
case "help":
|
|
switch (read_value()) {
|
|
case "ast":
|
|
print(UglifyJS.describe_ast());
|
|
break;
|
|
case "options":
|
|
var text = [];
|
|
var toplevels = [];
|
|
var padding = "";
|
|
var defaults = UglifyJS.default_options();
|
|
for (var name in defaults) {
|
|
var option = defaults[name];
|
|
if (option && typeof option == "object") {
|
|
text.push("--" + ({
|
|
output: "beautify",
|
|
sourceMap: "source-map",
|
|
}[name] || name) + " options:");
|
|
text.push(format_object(option));
|
|
text.push("");
|
|
} else {
|
|
if (padding.length < name.length) padding = Array(name.length + 1).join(" ");
|
|
toplevels.push([ {
|
|
keep_fargs: "keep-fargs",
|
|
keep_fnames: "keep-fnames",
|
|
nameCache: "name-cache",
|
|
}[name] || name, option ]);
|
|
}
|
|
}
|
|
toplevels.forEach(function(tokens) {
|
|
text.push("--" + tokens[0] + padding.slice(tokens[0].length - 2) + tokens[1]);
|
|
});
|
|
print(text.join("\n"));
|
|
break;
|
|
default:
|
|
print([
|
|
"Usage: uglifyjs [files...] [options]",
|
|
"",
|
|
"Options:",
|
|
" -h, --help Print usage information.",
|
|
" `--help options` for details on available options.",
|
|
" -v, -V, --version Print version number.",
|
|
" -p, --parse <options> Specify parser options.",
|
|
" -c, --compress [options] Enable compressor/specify compressor options.",
|
|
" -m, --mangle [options] Mangle names/specify mangler options.",
|
|
" --mangle-props [options] Mangle properties/specify mangler options.",
|
|
" -b, --beautify [options] Beautify output/specify output options.",
|
|
" -O, --output-opts <options> Output options (beautify disabled).",
|
|
" -o, --output <file> Output file (default STDOUT).",
|
|
" --annotations Process and preserve comment annotations.",
|
|
" --no-annotations Ignore and discard comment annotations.",
|
|
" --comments [filter] Preserve copyright comments in the output.",
|
|
" --config-file <file> Read minify() options from JSON file.",
|
|
" -d, --define <expr>[=value] Global definitions.",
|
|
" -e, --enclose [arg[,...][:value[,...]]] Embed everything in a big function, with configurable argument(s) & value(s).",
|
|
" --expression Parse a single expression, rather than a program.",
|
|
" --ie Support non-standard Internet Explorer.",
|
|
" --keep-fargs Do not mangle/drop function arguments.",
|
|
" --keep-fnames Do not mangle/drop function names. Useful for code relying on Function.prototype.name.",
|
|
" --module Process input as ES module (implies --toplevel)",
|
|
" --name-cache <file> File to hold mangled name mappings.",
|
|
" --rename Force symbol expansion.",
|
|
" --no-rename Disable symbol expansion.",
|
|
" --self Build UglifyJS as a library (implies --wrap UglifyJS)",
|
|
" --source-map [options] Enable source map/specify source map options.",
|
|
" --timings Display operations run time on STDERR.",
|
|
" --toplevel Compress and/or mangle variables in toplevel scope.",
|
|
" --v8 Support non-standard Chrome & Node.js.",
|
|
" --validate Perform validation during AST manipulations.",
|
|
" --verbose Print diagnostic messages.",
|
|
" --warn Print warning messages.",
|
|
" --webkit Support non-standard Safari/Webkit.",
|
|
" --wrap <name> Embed everything as a function with “exports” corresponding to “name” globally.",
|
|
"",
|
|
"(internal debug use only)",
|
|
" --in-situ Warning: replaces original source files with minified output.",
|
|
" --reduce-test Reduce a standalone test case (assumes cloned repository).",
|
|
].join("\n"));
|
|
}
|
|
process.exit();
|
|
case "version":
|
|
print(info.name + " " + info.version);
|
|
process.exit();
|
|
case "config-file":
|
|
var config = JSON.parse(read_file(read_value(true)));
|
|
if (config.mangle && config.mangle.properties && config.mangle.properties.regex) {
|
|
config.mangle.properties.regex = UglifyJS.parse(config.mangle.properties.regex, {
|
|
expression: true,
|
|
}).value;
|
|
}
|
|
for (var key in config) if (!(key in options)) options[key] = config[key];
|
|
break;
|
|
case "compress":
|
|
case "mangle":
|
|
options[name] = parse_js(read_value(), options[name]);
|
|
break;
|
|
case "source-map":
|
|
options.sourceMap = parse_js(read_value(), options.sourceMap);
|
|
break;
|
|
case "enclose":
|
|
options[name] = read_value();
|
|
break;
|
|
case "annotations":
|
|
case "expression":
|
|
case "ie":
|
|
case "ie8":
|
|
case "module":
|
|
case "timings":
|
|
case "toplevel":
|
|
case "v8":
|
|
case "validate":
|
|
case "webkit":
|
|
options[name] = true;
|
|
break;
|
|
case "no-annotations":
|
|
options.annotations = false;
|
|
break;
|
|
case "keep-fargs":
|
|
options.keep_fargs = true;
|
|
break;
|
|
case "keep-fnames":
|
|
options.keep_fnames = true;
|
|
break;
|
|
case "wrap":
|
|
options[name] = read_value(true);
|
|
break;
|
|
case "verbose":
|
|
options.warnings = "verbose";
|
|
break;
|
|
case "warn":
|
|
if (!options.warnings) options.warnings = true;
|
|
break;
|
|
case "beautify":
|
|
options.output = parse_js(read_value(), options.output);
|
|
if (!("beautify" in options.output)) options.output.beautify = true;
|
|
break;
|
|
case "output-opts":
|
|
options.output = parse_js(read_value(true), options.output);
|
|
break;
|
|
case "comments":
|
|
if (typeof options.output != "object") options.output = {};
|
|
options.output.comments = read_value();
|
|
if (options.output.comments === true) options.output.comments = "some";
|
|
break;
|
|
case "define":
|
|
if (typeof options.compress != "object") options.compress = {};
|
|
options.compress.global_defs = parse_js(read_value(true), options.compress.global_defs, "define");
|
|
break;
|
|
case "mangle-props":
|
|
if (typeof options.mangle != "object") options.mangle = {};
|
|
options.mangle.properties = parse_js(read_value(), options.mangle.properties);
|
|
break;
|
|
case "name-cache":
|
|
nameCache = read_value(true);
|
|
options.nameCache = JSON.parse(read_file(nameCache, "{}"));
|
|
break;
|
|
case "output":
|
|
output = read_value(true);
|
|
break;
|
|
case "parse":
|
|
options.parse = parse_js(read_value(true), options.parse);
|
|
break;
|
|
case "rename":
|
|
options.rename = true;
|
|
break;
|
|
case "no-rename":
|
|
options.rename = false;
|
|
break;
|
|
case "in-situ":
|
|
case "reduce-test":
|
|
case "self":
|
|
break;
|
|
default:
|
|
fatal("invalid option --" + name);
|
|
}
|
|
|
|
function read_value(required) {
|
|
if (no_value || !args.length || args[0][0] == "-") {
|
|
if (required) fatal("missing option argument for --" + name);
|
|
return true;
|
|
}
|
|
return args.shift();
|
|
}
|
|
}
|
|
if (!output && options.sourceMap && options.sourceMap.url != "inline") fatal("cannot write source map to STDOUT");
|
|
if (specified["beautify"] && specified["output-opts"]) fatal("--beautify cannot be used with --output-opts");
|
|
[ "compress", "mangle" ].forEach(function(name) {
|
|
if (!(name in options)) options[name] = false;
|
|
});
|
|
if (/^ast|spidermonkey$/.test(output)) {
|
|
if (typeof options.output != "object") options.output = {};
|
|
options.output.ast = true;
|
|
options.output.code = false;
|
|
}
|
|
if (options.parse && (options.parse.acorn || options.parse.spidermonkey)
|
|
&& options.sourceMap && options.sourceMap.content == "inline") {
|
|
fatal("inline source map only works with built-in parser");
|
|
}
|
|
if (options.warnings) {
|
|
UglifyJS.AST_Node.log_function(print_error, options.warnings == "verbose");
|
|
delete options.warnings;
|
|
}
|
|
var convert_path = function(name) {
|
|
return name;
|
|
};
|
|
if (typeof options.sourceMap == "object" && "base" in options.sourceMap) {
|
|
convert_path = function() {
|
|
var base = options.sourceMap.base;
|
|
delete options.sourceMap.base;
|
|
return function(name) {
|
|
return path.relative(base, name);
|
|
};
|
|
}();
|
|
}
|
|
if (specified["self"]) {
|
|
if (paths.length) UglifyJS.AST_Node.warn("Ignoring input files since --self was passed");
|
|
if (!options.wrap) options.wrap = "UglifyJS";
|
|
paths = UglifyJS.FILES;
|
|
} else if (paths.length) {
|
|
paths = simple_glob(paths);
|
|
}
|
|
if (specified["in-situ"]) {
|
|
if (output && output != "spidermonkey" || specified["reduce-test"] || specified["self"]) {
|
|
fatal("incompatible options specified");
|
|
}
|
|
paths.forEach(function(name) {
|
|
print(name);
|
|
if (/^ast|spidermonkey$/.test(name)) fatal("invalid file name specified");
|
|
files = {};
|
|
files[convert_path(name)] = read_file(name);
|
|
output = name;
|
|
run();
|
|
});
|
|
} else if (paths.length) {
|
|
paths.forEach(function(name) {
|
|
files[convert_path(name)] = read_file(name);
|
|
});
|
|
run();
|
|
} else {
|
|
var timerId = process.stdin.isTTY && process.argv.length < 3 && setTimeout(function() {
|
|
print_error("Waiting for input... (use `--help` to print usage information)");
|
|
}, 1500);
|
|
var chunks = [];
|
|
process.stdin.setEncoding("utf8");
|
|
process.stdin.once("data", function() {
|
|
clearTimeout(timerId);
|
|
}).on("data", function(chunk) {
|
|
chunks.push(chunk);
|
|
}).on("end", function() {
|
|
files = { STDIN: chunks.join("") };
|
|
run();
|
|
});
|
|
process.stdin.resume();
|
|
}
|
|
|
|
function convert_ast(fn) {
|
|
return UglifyJS.AST_Node.from_mozilla_ast(Object.keys(files).reduce(fn, null));
|
|
}
|
|
|
|
function run() {
|
|
var content = options.sourceMap && options.sourceMap.content;
|
|
if (content && content != "inline") {
|
|
UglifyJS.AST_Node.info("Using input source map: {content}", {
|
|
content : content,
|
|
});
|
|
options.sourceMap.content = read_file(content, content);
|
|
}
|
|
try {
|
|
if (options.parse) {
|
|
if (options.parse.acorn) {
|
|
var annotations = Object.create(null);
|
|
files = convert_ast(function(toplevel, name) {
|
|
var content = files[name];
|
|
var list = annotations[name] = [];
|
|
var prev = -1;
|
|
return require("acorn").parse(content, {
|
|
allowHashBang: true,
|
|
ecmaVersion: "latest",
|
|
locations: true,
|
|
onComment: function(block, text, start, end) {
|
|
var match = /[@#]__PURE__/.exec(text);
|
|
if (!match) {
|
|
if (start != prev) return;
|
|
match = [ list[prev] ];
|
|
}
|
|
while (/\s/.test(content[end])) end++;
|
|
list[end] = match[0];
|
|
prev = end;
|
|
},
|
|
preserveParens: true,
|
|
program: toplevel,
|
|
sourceFile: name,
|
|
sourceType: "module",
|
|
});
|
|
});
|
|
files.walk(new UglifyJS.TreeWalker(function(node) {
|
|
if (!(node instanceof UglifyJS.AST_Call)) return;
|
|
var list = annotations[node.start.file];
|
|
var pure = list[node.start.pos];
|
|
if (!pure) {
|
|
var tokens = node.start.parens;
|
|
if (tokens) for (var i = 0; !pure && i < tokens.length; i++) {
|
|
pure = list[tokens[i].pos];
|
|
}
|
|
}
|
|
if (pure) node.pure = pure;
|
|
}));
|
|
} else if (options.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;
|
|
});
|
|
}
|
|
}
|
|
} catch (ex) {
|
|
fatal(ex);
|
|
}
|
|
var result;
|
|
if (specified["reduce-test"]) {
|
|
// load on demand - assumes cloned repository
|
|
var reduce_test = require("../test/reduce");
|
|
if (Object.keys(files).length != 1) fatal("can only test on a single file");
|
|
result = reduce_test(files[Object.keys(files)[0]], options, {
|
|
log: print_error,
|
|
verbose: true,
|
|
});
|
|
} else {
|
|
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 file = files[ex.filename];
|
|
if (file) {
|
|
var col = ex.col;
|
|
var lines = file.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;
|
|
}
|
|
print_error(line.slice(0, 80));
|
|
print_error(line.slice(0, col).replace(/\S/g, " ") + "^");
|
|
}
|
|
}
|
|
} else if (ex.defs) {
|
|
print_error("Supported options:");
|
|
print_error(format_object(ex.defs));
|
|
}
|
|
fatal(ex);
|
|
} else if (output == "ast") {
|
|
if (!options.compress && !options.mangle) {
|
|
var toplevel = result.ast;
|
|
if (!(toplevel instanceof UglifyJS.AST_Toplevel)) {
|
|
if (!(toplevel instanceof UglifyJS.AST_Statement)) toplevel = new UglifyJS.AST_SimpleStatement({
|
|
body: toplevel,
|
|
});
|
|
toplevel = new UglifyJS.AST_Toplevel({
|
|
body: [ toplevel ],
|
|
});
|
|
}
|
|
toplevel.figure_out_scope({});
|
|
}
|
|
print(JSON.stringify(result.ast, function(key, value) {
|
|
if (value) switch (key) {
|
|
case "enclosed":
|
|
return value.length ? value.map(symdef) : undefined;
|
|
case "functions":
|
|
case "globals":
|
|
case "variables":
|
|
return value.size() ? value.map(symdef) : undefined;
|
|
case "thedef":
|
|
return symdef(value);
|
|
}
|
|
if (skip_property(key, value)) 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;
|
|
}
|
|
return value;
|
|
}, 2));
|
|
} else if (output == "spidermonkey") {
|
|
print(JSON.stringify(result.ast.to_mozilla_ast(), null, 2));
|
|
} else if (output) {
|
|
var code;
|
|
if (result.ast) {
|
|
var opts = {};
|
|
for (var name in options.output) {
|
|
if (!/^ast|code$/.test(name)) opts[name] = options.output[name];
|
|
}
|
|
code = UglifyJS.AST_Node.from_mozilla_ast(result.ast.to_mozilla_ast()).print_to_string(opts);
|
|
} else {
|
|
code = result.code;
|
|
}
|
|
fs.writeFileSync(output, code);
|
|
if (result.map) fs.writeFileSync(output + ".map", result.map);
|
|
} else {
|
|
print(result.code);
|
|
}
|
|
if (nameCache) fs.writeFileSync(nameCache, JSON.stringify(options.nameCache));
|
|
if (result.timings) for (var phase in result.timings) {
|
|
print_error("- " + phase + ": " + result.timings[phase].toFixed(3) + "s");
|
|
}
|
|
}
|
|
|
|
function fatal(message) {
|
|
if (message instanceof Error) {
|
|
message = message.stack.replace(/^\S*?Error:/, "ERROR:")
|
|
} else {
|
|
message = "ERROR: " + message;
|
|
}
|
|
print_error(message);
|
|
process.exit(1);
|
|
}
|
|
|
|
// A file glob function that only supports "*" and "?" wildcards in the basename.
|
|
// Example: "foo/bar/*baz??.*.js"
|
|
// Argument `paths` must be an array of strings.
|
|
// Returns an array of strings. Garbage in, garbage out.
|
|
function simple_glob(paths) {
|
|
return paths.reduce(function(paths, glob) {
|
|
if (/\*|\?/.test(glob)) {
|
|
var dir = path.dirname(glob);
|
|
try {
|
|
var entries = fs.readdirSync(dir).filter(function(name) {
|
|
try {
|
|
return fs.statSync(path.join(dir, name)).isFile();
|
|
} catch (ex) {
|
|
return false;
|
|
}
|
|
});
|
|
} catch (ex) {}
|
|
if (entries) {
|
|
var pattern = "^" + path.basename(glob)
|
|
.replace(/[.+^$[\]\\(){}]/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);
|
|
}).sort().map(function(name) {
|
|
return path.join(dir, name);
|
|
});
|
|
if (results.length) {
|
|
[].push.apply(paths, results);
|
|
return paths;
|
|
}
|
|
}
|
|
}
|
|
paths.push(glob);
|
|
return paths;
|
|
}, []);
|
|
}
|
|
|
|
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(value, options, flag) {
|
|
if (!options || typeof options != "object") options = Object.create(null);
|
|
if (typeof value == "string") try {
|
|
UglifyJS.parse(value, {
|
|
expression: true
|
|
}).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.value : value.print_to_string({
|
|
quote_keys: true
|
|
});
|
|
}
|
|
}));
|
|
} catch (ex) {
|
|
if (flag) {
|
|
fatal("cannot parse arguments for '" + flag + "': " + value);
|
|
} else {
|
|
options[value] = null;
|
|
}
|
|
}
|
|
return options;
|
|
}
|
|
|
|
function skip_property(key, value) {
|
|
return skip_keys.indexOf(key) >= 0
|
|
// only skip truthy_keys if their value is falsy
|
|
|| truthy_keys.indexOf(key) >= 0 && !value;
|
|
}
|
|
|
|
function symdef(def) {
|
|
var ret = (1e6 + def.id) + " " + def.name;
|
|
if (def.mangled_name) ret += " " + def.mangled_name;
|
|
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) {
|
|
process.stderr.write(msg);
|
|
process.stderr.write("\n");
|
|
}
|
|
|
|
function print(txt) {
|
|
process.stdout.write(txt);
|
|
process.stdout.write("\n");
|
|
}
|