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authorFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
commitde98e0b232509d5f40c135d540a70e415272ff85 (patch)
treea79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/uglify-js/lib/sourcemap.js
parente0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff)
node_modules
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+/***********************************************************************
+
+ A JavaScript tokenizer / parser / beautifier / compressor.
+ https://github.com/mishoo/UglifyJS2
+
+ -------------------------------- (C) ---------------------------------
+
+ Author: Mihai Bazon
+ <mihai.bazon@gmail.com>
+ http://mihai.bazon.net/blog
+
+ Distributed under the BSD license:
+
+ Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ * Redistributions of source code must retain the above
+ copyright notice, this list of conditions and the following
+ disclaimer.
+
+ * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following
+ disclaimer in the documentation and/or other materials
+ provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
+ EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ SUCH DAMAGE.
+
+ ***********************************************************************/
+
+"use strict";
+
+// a small wrapper around fitzgen's source-map library
+function SourceMap(options) {
+ options = defaults(options, {
+ file : null,
+ root : null,
+ orig : null,
+
+ orig_line_diff : 0,
+ dest_line_diff : 0,
+ });
+ var generator = new MOZ_SourceMap.SourceMapGenerator({
+ file : options.file,
+ sourceRoot : options.root
+ });
+ var orig_map = options.orig && new MOZ_SourceMap.SourceMapConsumer(options.orig);
+
+ if (orig_map && Array.isArray(options.orig.sources)) {
+ orig_map._sources.toArray().forEach(function(source) {
+ var sourceContent = orig_map.sourceContentFor(source, true);
+ if (sourceContent) {
+ generator.setSourceContent(source, sourceContent);
+ }
+ });
+ }
+
+ function add(source, gen_line, gen_col, orig_line, orig_col, name) {
+ if (orig_map) {
+ var info = orig_map.originalPositionFor({
+ line: orig_line,
+ column: orig_col
+ });
+ if (info.source === null) {
+ return;
+ }
+ source = info.source;
+ orig_line = info.line;
+ orig_col = info.column;
+ name = info.name || name;
+ }
+ generator.addMapping({
+ generated : { line: gen_line + options.dest_line_diff, column: gen_col },
+ original : { line: orig_line + options.orig_line_diff, column: orig_col },
+ source : source,
+ name : name
+ });
+ };
+ return {
+ add : add,
+ get : function() { return generator },
+ toString : function() { return JSON.stringify(generator.toJSON()); }
+ };
+};