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Support -p relative. Fix #256

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This commit is contained in:
Mihai Bazon
2013-08-07 11:43:47 +03:00
parent 2604aadb37
commit 4aa4b3e694
2 changed files with 77 additions and 53 deletions
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17
README.md
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@@ -50,17 +50,22 @@ The available options are:
[string]
--source-map-root The path to the original source to be included in the
source map. [string]
--source-map-url The path to the source map to be added in //@
--source-map-url The path to the source map to be added in //#
sourceMappingURL. Defaults to the value passed with
--source-map. [string]
--in-source-map Input source map, useful if you're compressing JS that was
generated from some other original code.
--screw-ie8 Pass this flag if you don't care about full compliance with
Internet Explorer 6-8 quirks (by default UglifyJS will try
to be IE-proof).
--screw-ie8 Pass this flag if you don't care about full compliance
with Internet Explorer 6-8 quirks (by default UglifyJS
will try to be IE-proof). [boolean]
--expr Parse a single expression, rather than a program (for
parsing JSON) [boolean]
-p, --prefix 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.
names and ensure they are relative paths. You can also
specify -p relative, which will make UglifyJS figure out
itself the relative paths between original sources, the
source map and the output file. [string]
-o, --output Output file (default STDOUT).
-b, --beautify Beautify output/specify output options. [string]
-m, --mangle Mangle names/pass mangler options. [string]
@@ -69,6 +74,8 @@ The available options are:
like -c hoist_vars=false,if_return=false. Use -c with no
argument to use the default compression options. [string]
-d, --define Global definitions [string]
-e, --enclose Embed everything in a big function, with a configurable
parameter/argument list. [string]
--comments Preserve copyright comments in the output. By default this
works like Google Closure, keeping JSDoc-style comments
that contain "@license" or "@preserve". You can optionally

23
bin/uglifyjs
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@@ -7,6 +7,7 @@ var UglifyJS = require("../tools/node");
var sys = require("util");
var optimist = require("optimist");
var fs = require("fs");
var path = require("path");
var async = require("async");
var acorn;
var ARGS = optimist
@@ -25,7 +26,9 @@ mangling you need to use `-c` and `-m`.\
.describe("screw-ie8", "Pass this flag if you don't care about full compliance with Internet Explorer 6-8 quirks (by default UglifyJS will try to be IE-proof).")
.describe("expr", "Parse a single expression, rather than a program (for parsing JSON)")
.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.")
For example -p 3 will drop 3 directories from file names and ensure they are relative paths. \
You can also specify -p relative, which will make UglifyJS figure out itself the relative paths between original sources, \
the source map and the output file.")
.describe("o", "Output file (default STDOUT).")
.describe("b", "Beautify output/specify output options.")
.describe("m", "Mangle names/pass mangler options.")
@@ -77,6 +80,7 @@ You need to pass an argument to this option to specify the name that your module
.string("e")
.string("comments")
.string("wrap")
.string("p")
.boolean("expr")
.boolean("screw-ie8")
@@ -199,9 +203,10 @@ if (files.filter(function(el){ return el == "-" }).length > 1) {
var STATS = {};
var OUTPUT_FILE = ARGS.o;
var TOPLEVEL = null;
var P_RELATIVE = ARGS.p && ARGS.p == "relative";
var SOURCE_MAP = ARGS.source_map ? UglifyJS.SourceMap({
file: OUTPUT_FILE,
file: P_RELATIVE ? path.relative(path.dirname(ARGS.source_map), OUTPUT_FILE) : OUTPUT_FILE,
root: ARGS.source_map_root,
orig: ORIG_MAP,
}) : null;
@@ -227,8 +232,15 @@ async.eachLimit(files, 1, function (file, cb) {
process.exit(1);
}
if (ARGS.p != null) {
if (P_RELATIVE) {
file = path.relative(path.dirname(ARGS.source_map), file);
} else {
var p = parseInt(ARGS.p, 10);
if (!isNaN(p)) {
file = file.replace(/^\/+/, "").split(/\/+/).slice(ARGS.p).join("/");
}
}
}
time_it("parse", function(){
if (ARGS.spidermonkey) {
var program = JSON.parse(code);
@@ -310,7 +322,12 @@ async.eachLimit(files, 1, function (file, cb) {
if (SOURCE_MAP) {
fs.writeFileSync(ARGS.source_map, SOURCE_MAP, "utf8");
output += "\n//# sourceMappingURL=" + (ARGS.source_map_url || ARGS.source_map);
var source_map_url = ARGS.source_map_url || (
P_RELATIVE
? path.relative(path.dirname(OUTPUT_FILE), ARGS.source_map)
: ARGS.source_map
);
output += "\n//# sourceMappingURL=" + source_map_url;
}
if (OUTPUT_FILE) {