JoBoEVD/UglifyJS
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Merge a6c6c1458b into caf96acb08

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baidumap 2018-05-31 13:59:23 +00:00 committed by GitHub
commit edff8bf125
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3 changed files with 43 additions and 1 deletions
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9
bin/uglifyjs Executable file → Normal file
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@ -47,12 +47,14 @@ program.option("--rename", "Force symbol expansion.");
program.option("--no-rename", "Disable symbol expansion.");
program.option("--self", "Build UglifyJS as a library (implies --wrap UglifyJS)");
program.option("--source-map [options]", "Enable source map/specify source map options.", parse_js());
program.option("--timings", "Display operations run time on STDERR.")
program.option("--timings", "Display operations run time on STDERR.");
program.option("--toplevel", "Compress and/or mangle variables in toplevel scope.");
program.option("--verbose", "Print diagnostic messages.");
program.option("--warn", "Print warning messages.");
program.option("--wrap <name>", "Embed everything as a function with “exports” corresponding to “name” globally.");
program.option("-e, --enclose [options]","Embed everything in a big function, with a configurable parameter/argument list.")
program.arguments("[files...]").parseArgv(process.argv);
if (program.configFile) {
options = JSON.parse(read_file(program.configFile));
}
@ -142,6 +144,11 @@ if (program.verbose) {
} else if (program.warn) {
options.warnings = true;
}
if (program.enclose) {
// 等待完成
console.log('enclose', program.enclose);
options.enclose = program.enclose;
}
if (program.self) {
if (program.args.length) {
print_error("WARN: Ignoring input files since --self was passed");

21
lib/ast.js
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@ -325,6 +325,27 @@ var AST_Toplevel = DEFNODE("Toplevel", "globals", {
$propdoc: {
globals: "[Object/S] a map of name -> SymbolDef for all undeclared names",
},
wrap_enclose: function(arg_parameter_pairs) {
var self = this;
var args = [];
var parameters = [];
console.log("wrap_enclose")
arg_parameter_pairs.forEach(function(pair) {
var splitAt = pair.lastIndexOf(":");
args.push(pair.substr(0, splitAt));
parameters.push(pair.substr(splitAt + 1));
});
var wrapped_tl = "(function(" + parameters.join(",") + "){ '$ORIG'; })(" + args.join(",") + ")";
wrapped_tl = parse(wrapped_tl);
wrapped_tl = wrapped_tl.transform(new TreeTransformer(function before(node){
if (node instanceof AST_Directive && node.value == "$ORIG") {
return MAP.splice(self.body);
}
}));
return wrapped_tl;
},
wrap_commonjs: function(name) {
var body = this.body;
var wrapped_tl = "(function(exports){'$ORIG';})(typeof " + name + "=='undefined'?(" + name + "={}):" + name + ");";

14
lib/minify.js
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@ -67,6 +67,7 @@ function minify(files, options) {
toplevel: false,
warnings: false,
wrap: false,
enclose: [],
}, true);
var timings = options.timings && {
start: Date.now()
@ -157,6 +158,19 @@ function minify(files, options) {
if (options.wrap) {
toplevel = toplevel.wrap_commonjs(options.wrap);
}
console.log("minify")
console.log(options.enclose)
if (options.enclose != null) {
var arg_parameter_list = options.enclose;
if (arg_parameter_list === true) {
arg_parameter_list = [];
}
else if (!(arg_parameter_list instanceof Array)) {
arg_parameter_list = [arg_parameter_list];
}
console.log("minify", arg_parameter_list);
toplevel = toplevel.wrap_enclose(arg_parameter_list);
}
if (timings) timings.rename = Date.now();
if (options.rename) {
toplevel.figure_out_scope(options.mangle);