JoBoEVD/UglifyJS
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support -c with no arguments to disable compression entirely

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This commit is contained in:
Mihai Bazon
2012-09-19 10:22:36 +03:00
parent a4d2340c73
commit d53e1a9931
1 changed files with 18 additions and 11 deletions
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29
bin/uglifyjs2
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@@ -10,15 +10,18 @@ var ARGS = optimist
Maximum compression settings are on by default.\n\
Use a single dash to read input from the standard input.\
")
.describe("source-map", "Specify an output file where to generate source map")
.describe("source-map-root", "The root of the original source to be included in the source map")
.describe("p", "Skip prefix for original filenames that appear in source maps")
.describe("source-map", "Specify an output file where to generate source map.")
.describe("source-map-root", "The path to the original source to be included in the source map.")
.describe("p", "Skip prefix for original filenames that appear in source maps. For example -p 3 will drop 3 directories from file names and ensure they are relative paths.")
.describe("o", "Output file (default STDOUT)")
.describe("stats", "Display operations run time on STDERR")
.describe("v", "Verbose")
.describe("b", "Beautify output")
.describe("m", "Don't mangle names")
.describe("c", "Pass compressor options")
.describe("c", "Disable compressor, or pass compressor options. \
Pass options like -c hoist_vars=false,if_return=false. \
Use -c with no argument if you want to disable the squeezer entirely")
.describe("stats", "Display operations run time on STDERR")
.describe("v", "Verbose")
.alias("p", "prefix")
.alias("o", "output")
@@ -33,6 +36,8 @@ Use a single dash to read input from the standard input.\
.boolean("m")
.string("c")
.wrap(80)
.argv
;
@@ -50,7 +55,7 @@ if (ARGS.h || ARGS.help) {
}
var COMPRESSOR_OPTIONS = {};
if (ARGS.c) {
if (ARGS.c && ARGS.c !== true) {
ARGS.c.replace(/^\s+|\s+$/g).split(/\s*,+\s*/).forEach(function(opt){
var a = opt.split(/\s*=\s*/);
COMPRESSOR_OPTIONS[a[0]] = new Function("return(" + a[1] + ")")();
@@ -134,10 +139,12 @@ function do_file_1(file) {
time_it("scope", function(){
ast.figure_out_scope();
});
time_it("squeeze", function(){
var compressor = UglifyJS.Compressor(COMPRESSOR_OPTIONS);
ast = ast.squeeze(compressor);
});
if (ARGS.c !== true) {
time_it("squeeze", function(){
var compressor = UglifyJS.Compressor(COMPRESSOR_OPTIONS);
ast = ast.squeeze(compressor);
});
}
ast.filename = file;
return ast;
}