JoBoEVD/UglifyJS
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add --mangle-props

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This commit is contained in:
alexlamsl 2017-04-14 17:03:09 +08:00
parent 7aad7fef03
commit 177c9a09ed
2 changed files with 24 additions and 15 deletions
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22
README.md
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@ -57,9 +57,9 @@ a double dash to prevent input files being used as option arguments:
The available options are: The available options are:
``` ```
-h, --help output usage information -h, --help Print usage information.
-V, --version output the version number -V, --version Print version number.
-p --parse <options> Specify parser options: -p, --parse <options> Specify parser options:
`acorn` Use Acorn for parsing. `acorn` Use Acorn for parsing.
`bare_returns` Allow return outside of functions. `bare_returns` Allow return outside of functions.
Useful when minifying CommonJS Useful when minifying CommonJS
@ -70,12 +70,16 @@ The available options are:
a program (for parsing JSON). a program (for parsing JSON).
`spidermonkey` Assume input files are SpiderMonkey `spidermonkey` Assume input files are SpiderMonkey
AST format (as JSON). AST format (as JSON).
-c --compress [options] Enable compressor/specify compressor options: -c, --compress [options] Enable compressor/specify compressor options:
`pure_funcs` List of functions that can be safely `pure_funcs` List of functions that can be safely
removed when their return values are removed when their return values are
not used. not used.
-m --mangle [options] Mangle names/specify mangler options. -m, --mangle [options] Mangle names/specify mangler options.
-b --beautify [options] Beautify output/specify output options: --mangle-props [options] Mangle properties/specify mangler options:
`debug` Add debug prefix and suffix.
`ignore_quoted` Only mangle unquoted properies.
`regex` Only mangle matched property names.
-b, --beautify [options] Beautify output/specify output options:
`beautify` Enabled with `--beautify` by default. `beautify` Enabled with `--beautify` by default.
`preamble` Preamble to prepend to the output. You `preamble` Preamble to prepend to the output. You
can use this to insert a comment, for can use this to insert a comment, for
@ -90,7 +94,7 @@ The available options are:
`wrap_iife` Wrap IIFEs in parenthesis. Note: you may `wrap_iife` Wrap IIFEs in parenthesis. Note: you may
want to disable `negate_iife` under want to disable `negate_iife` under
compressor options. compressor options.
-o --output <file> Output file (default STDOUT). Specify "spidermonkey" -o, --output <file> Output file (default STDOUT). Specify "spidermonkey"
to dump SpiderMonkey AST format (as JSON) to STDOUT. to dump SpiderMonkey AST format (as JSON) to STDOUT.
--comments [filter] Preserve copyright comments in the output. By --comments [filter] Preserve copyright comments in the output. By
default this works like Google Closure, keeping default this works like Google Closure, keeping
@ -105,9 +109,9 @@ The available options are:
code removal or cascading statements into code removal or cascading statements into
sequences. sequences.
--config-file <file> Read `minify()` options from JSON file. --config-file <file> Read `minify()` options from JSON file.
-d --define <expr>[=value] Global definitions. -d, --define <expr>[=value] Global definitions.
--ie8 Support non-standard Internet Explorer 8. --ie8 Support non-standard Internet Explorer 8.
Equivalent to setting `screw_ie8: false` in `minify()` Equivalent to setting `ie8: true` in `minify()`
for `compress`, `mangle` and `output` options. for `compress`, `mangle` and `output` options.
By default UglifyJS will not try to be IE-proof. By default UglifyJS will not try to be IE-proof.
--keep-fnames Do not mangle/drop function names. Useful for --keep-fnames Do not mangle/drop function names. Useful for

17
bin/uglifyjs
View File

@ -18,14 +18,15 @@ program._name = info.name;
program.version(info.version); program.version(info.version);
program.parseArgv = program.parse; program.parseArgv = program.parse;
program.parse = undefined; program.parse = undefined;
program.option("-p --parse <options>", "Specify parser options.", parseJS("parse", true)); program.option("-p, --parse <options>", "Specify parser options.", parseJS("parse", true));
program.option("-c --compress [options]", "Enable compressor/specify compressor options.", parseJS("compress", true)); program.option("-c, --compress [options]", "Enable compressor/specify compressor options.", parseJS("compress", true));
program.option("-m --mangle [options]", "Mangle names/specify mangler options.", parseJS("mangle", true)); program.option("-m, --mangle [options]", "Mangle names/specify mangler options.", parseJS("mangle", true));
program.option("-b --beautify [options]", "Beautify output/specify output options.", parseJS("beautify", true)); program.option("--mangle-props [options]", "Mangle properties/specify mangler options.", parseJS("mangle-props", true));
program.option("-o --output <file>", "Output file (default STDOUT)."); program.option("-b, --beautify [options]", "Beautify output/specify output options.", parseJS("beautify", true));
program.option("-o, --output <file>", "Output file (default STDOUT).");
program.option("--comments [filter]", "Preserve copyright comments in the output."); program.option("--comments [filter]", "Preserve copyright comments in the output.");
program.option("--config-file <file>", "Read minify() options from JSON file."); program.option("--config-file <file>", "Read minify() options from JSON file.");
program.option("-d --define <expr>[=value]", "Global definitions.", parseJS("define")); program.option("-d, --define <expr>[=value]", "Global definitions.", parseJS("define"));
program.option("--ie8", "Support non-standard Internet Explorer 8."); program.option("--ie8", "Support non-standard Internet Explorer 8.");
program.option("--keep-fnames", "Do not mangle/drop function names. Useful for code relying on Function.prototype.name."); program.option("--keep-fnames", "Do not mangle/drop function names. Useful for code relying on Function.prototype.name.");
program.option("--self", "Build UglifyJS2 as a library (implies --wrap UglifyJS)"); program.option("--self", "Build UglifyJS2 as a library (implies --wrap UglifyJS)");
@ -73,6 +74,10 @@ if (program.define) {
if (program.keepFnames) { if (program.keepFnames) {
options.keep_fnames = true; options.keep_fnames = true;
} }
if (program.mangleProps) {
if (typeof options.mangle != "object") options.mangle = {};
options.mangle.properties = program.mangleProps;
}
if (program.parse) { if (program.parse) {
if (program.parse.acorn || program.parse.spidermonkey) { if (program.parse.acorn || program.parse.spidermonkey) {
if (program.sourceMap) fatal("ERROR: inline source map only works with built-in parser"); if (program.sourceMap) fatal("ERROR: inline source map only works with built-in parser");