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REMOVE SPACES WITH NAME MANGLER GENERATOR
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-unsafe - enable other additional optimizations that are known to be.

If youįind a bug using this option, please report a test case. These might, or might not, break your code.

-extra - enable additional optimizations that have not yet beenĮxtensively tested.

-v or -verbose - output some notes on STDERR (for now just how long.

Useful for debugging or learning more about the

-ast - pass this if you want to get the Abstract Syntax Tree instead.

Pass -overwrite then the output will be written in the same file.

REMOVE SPACES WITH NAME MANGLER CODE

-overwrite - if the code is read from a file (not from STDIN) and you.This isn’t given, the result goes to standard output (or see next one). -o filename or -output filename - put the result in filename.-nc or -no-copyright - by default, uglifyjs will keep the initialĬomment tokens in the generated code (assumed to be copyright informationĮtc.).This option to disable this optimization. Obviously unreachable (code that follows a return, throw, break orĬontinue statement and is not a function/variable declaration). -no-dead-code - by default, UglifyJS will remove code that is.Libs that I tested it on, but pass -no-seqs to disable it.

This is ONīy default because it seems safe and saves a few hundred bytes on some In various occasions, this allows us to discard theīlock brackets (since the block becomes a single statement). For example, “a = 10 b = 20 foo() ” will be written as no-squeeze) it will reduce consecutive statements in blocks into a

-no-seqs - when ast_squeeze() is called (thus, unless you pass.

-mt or -mangle-toplevel - mangle names in the toplevel scope too.

Optimizations that result in smaller, less readable code).

-ns or -no-squeeze - don’t call ast_squeeze() (which does various.

-nm or -no-mangle - don’t mangle variable names.

(the output is always encoded in UTF8,īut if you pass this option you’ll only get ASCII). By default UglifyJS won’t bother to do it and will

-ascii - pass this argument to encode non-ASCII characters as.

Only keys that cannot be identifier names will be quotes).

-q or -quote-keys - quote keys in literal objects (by default,.

-i N or -indent N - indentation level (number of spaces).

-b or -beautify - output indented code when passed, additional.

If you don’t specify it, it will read code Calls involving the global Array constructorįilename should be the last argument and should name the file from which Handle this better, or any objections to these optimizations, please let me

REMOVE SPACES WITH NAME MANGLER HOW TO

Discussion is welcome, if you have ideas of how to However, I opted to include the following potentially unsafe transformationsĪs default behavior. UglifyJS then it’s a bug in UglifyJS and you should report it and I should In general, if your code logic is broken by

UglifyJS tries its best to achieve great compression while leaving the Return, throw, break or continue statement, except

remove some unreachable code and warn about it (code that follows a.

Our mangler willĪnalyze the code and generate proper variable names, depending on scopeĪnd usage, and is smart enough to deal with globals defined elsewhere, or

shorten variable names (usually to single characters).

REMOVE SPACES WITH NAME MANGLER GENERATOR

Our code generator to print out an AST without any whitespace, so you Indented-you can use this if you want to “beautify” a program that hasīeen compressed, so that you can inspect the source.

ability to re-generate JavaScript code from the AST.Manipulates the AST generated by the parser to provide the following: The second part of this package, implemented in process.js, inspects and ( See cl-uglify-js if you’re looking for the Common Lisp version of Port to JavaScript of the excellent parse-js Common Lisp library from Marijn This part is implemented in parse-js.js and it’s a YouĬan then traverse the AST to learn more about the code, or do various The tokenizer/parser generates an abstract syntax tree from JS code. Implement it, or discard the exports.* lines from UglifyJS sources). (and if your platform of choice doesn’t support CommonJS, you can easily Should work on any JavaScript platform supporting the CommonJS module system This package implements a general-purpose JavaScript UglifyJS – a JavaScript parser/compressor/beautifier UglifyJS - a JavaScript parser/compressor/beautifier