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Change --mangle-regex to accept a full regex

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This commit is contained in:
Joao Carlos
2015-06-09 15:14:41 +03:00
parent 9aef34a816
commit 0b82e1cd5b
2 changed files with 12 additions and 4 deletions
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2
README.md
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@@ -253,7 +253,7 @@ cover most standard JS and DOM properties defined in various browsers. Pass
`--reserve-domprops` to read that in.
You can also use a regular expression to define which property names should be
mangled. For example, `--mangle-regex="^_"` will only mangle property names
mangled. For example, `--mangle-regex="/^_/"` will only mangle property names
that start with an underscore.
When you compress multiple files using this option, in order for them to

14
bin/uglifyjs
View File

@@ -192,6 +192,15 @@ function writeNameCache(key, cache) {
return UglifyJS.writeNameCache(ARGS.name_cache, key, cache);
}
function extractRegex(str) {
if (/^\/.*\/[a-zA-Z]*$/.test(str)) {
var regex_pos = str.lastIndexOf("/");
return new RegExp(str.substr(1, regex_pos - 1), str.substr(regex_pos + 1));
} else {
throw new Error("Invalid regular expression: " + str);
}
}
if (ARGS.quotes === true) {
ARGS.quotes = 3;
}
@@ -218,9 +227,8 @@ if (BEAUTIFY)
if (ARGS.comments != null) {
if (/^\/.*\/[a-zA-Z]*$/.test(ARGS.comments)) {
var regex_pos = ARGS.comments.lastIndexOf("/");
try {
OUTPUT_OPTIONS.comments = new RegExp(ARGS.comments.substr(1, regex_pos - 1), ARGS.comments.substr(regex_pos + 1));
OUTPUT_OPTIONS.comments = extractRegex(ARGS.comments);
} catch (e) {
print_error("ERROR: Invalid --comments: " + e.message);
}
@@ -379,7 +387,7 @@ async.eachLimit(files, 1, function (file, cb) {
var regex;
try {
regex = ARGS.mangle_regex ? new RegExp(ARGS.mangle_regex) : null;
regex = ARGS.mangle_regex ? extractRegex(ARGS.mangle_regex) : null;
} catch (e) {
print_error("ERROR: Invalid --mangle-regex: " + e.message);
process.exit(1);