chore: update deps
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195
node_modules/uglify-js/lib/sourcemap.js
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node_modules/uglify-js/lib/sourcemap.js
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/***********************************************************************
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A JavaScript tokenizer / parser / beautifier / compressor.
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https://github.com/mishoo/UglifyJS
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-------------------------------- (C) ---------------------------------
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Author: Mihai Bazon
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<mihai.bazon@gmail.com>
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http://mihai.bazon.net/blog
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Distributed under the BSD license:
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Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the following
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disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials
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provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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***********************************************************************/
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"use strict";
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var vlq_char = characters("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
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var vlq_bits = vlq_char.reduce(function(map, ch, bits) {
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map[ch] = bits;
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return map;
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}, Object.create(null));
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function vlq_decode(indices, str) {
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var value = 0;
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var shift = 0;
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for (var i = 0, j = 0; i < str.length; i++) {
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var bits = vlq_bits[str[i]];
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value += (bits & 31) << shift;
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if (bits & 32) {
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shift += 5;
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} else {
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indices[j++] += value & 1 ? 0x80000000 | -(value >> 1) : value >> 1;
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value = shift = 0;
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}
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}
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return j;
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}
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function vlq_encode(num) {
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var result = "";
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num = Math.abs(num) << 1 | num >>> 31;
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do {
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var bits = num & 31;
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if (num >>>= 5) bits |= 32;
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result += vlq_char[bits];
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} while (num);
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return result;
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}
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function create_array_map() {
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var map = new Dictionary();
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var array = [];
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array.index = function(name) {
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var index = map.get(name);
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if (!(index >= 0)) {
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index = array.length;
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array.push(name);
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map.set(name, index);
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}
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return index;
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};
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return array;
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}
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function SourceMap(options) {
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var sources = create_array_map();
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var sources_content = options.includeSources && new Dictionary();
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var names = create_array_map();
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var mappings = "";
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if (options.orig) Object.keys(options.orig).forEach(function(name) {
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var map = options.orig[name];
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var indices = [ 0, 0, 1, 0, 0 ];
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options.orig[name] = {
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names: map.names,
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mappings: map.mappings.split(/;/).map(function(line) {
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indices[0] = 0;
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return line.split(/,/).map(function(segment) {
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return indices.slice(0, vlq_decode(indices, segment));
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});
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}),
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sources: map.sources,
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};
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if (!sources_content || !map.sourcesContent) return;
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for (var i = 0; i < map.sources.length; i++) {
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var content = map.sourcesContent[i];
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if (content) sources_content.set(map.sources[i], content);
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}
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});
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var prev_source;
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var generated_line = 1;
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var generated_column = 0;
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var source_index = 0;
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var original_line = 1;
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var original_column = 0;
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var name_index = 0;
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return {
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add: options.orig ? function(source, gen_line, gen_col, orig_line, orig_col, name) {
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var map = options.orig[source];
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if (map) {
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var segments = map.mappings[orig_line - 1];
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if (!segments) return;
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var indices;
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for (var i = 0; i < segments.length; i++) {
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var col = segments[i][0];
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if (orig_col >= col) indices = segments[i];
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if (orig_col <= col) break;
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}
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if (!indices || indices.length < 4) {
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source = null;
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} else {
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source = map.sources[indices[1]];
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orig_line = indices[2];
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orig_col = indices[3];
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if (indices.length > 4) name = map.names[indices[4]];
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}
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}
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add(source, gen_line, gen_col, orig_line, orig_col, name);
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} : add,
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setSourceContent: sources_content ? function(source, content) {
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if (!sources_content.has(source)) {
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sources_content.set(source, content);
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}
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} : noop,
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toString: function() {
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return JSON.stringify({
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version: 3,
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file: options.filename || undefined,
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sourceRoot: options.root || undefined,
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sources: sources,
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sourcesContent: sources_content ? sources.map(function(source) {
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return sources_content.get(source) || null;
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}) : undefined,
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names: names,
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mappings: mappings,
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});
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}
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};
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function add(source, gen_line, gen_col, orig_line, orig_col, name) {
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if (prev_source == null && source == null) return;
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prev_source = source;
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if (generated_line < gen_line) {
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generated_column = 0;
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do {
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mappings += ";";
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} while (++generated_line < gen_line);
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} else if (mappings) {
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mappings += ",";
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}
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mappings += vlq_encode(gen_col - generated_column);
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generated_column = gen_col;
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if (source == null) return;
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var src_idx = sources.index(source);
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mappings += vlq_encode(src_idx - source_index);
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source_index = src_idx;
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mappings += vlq_encode(orig_line - original_line);
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original_line = orig_line;
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mappings += vlq_encode(orig_col - original_column);
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original_column = orig_col;
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if (options.names && name != null) {
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var name_idx = names.index(name);
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mappings += vlq_encode(name_idx - name_index);
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name_index = name_idx;
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}
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}
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}
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