mirror of
https://github.com/actions/setup-python.git
synced 2024-12-23 06:02:09 -05:00
246 lines
9.4 KiB
JavaScript
246 lines
9.4 KiB
JavaScript
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"use strict";
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var to_ascii = typeof atob == "undefined" ? function(b64) {
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return new Buffer(b64, "base64").toString();
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} : atob;
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var to_base64 = typeof btoa == "undefined" ? function(str) {
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return new Buffer(str).toString("base64");
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} : btoa;
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function read_source_map(name, code) {
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var match = /\n\/\/# sourceMappingURL=data:application\/json(;.*?)?;base64,(\S+)\s*$/.exec(code);
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if (!match) {
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AST_Node.warn("inline source map not found: " + name);
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return null;
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}
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return to_ascii(match[2]);
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}
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function parse_source_map(content) {
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try {
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return JSON.parse(content);
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} catch (ex) {
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throw new Error("invalid input source map: " + content);
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}
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}
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function set_shorthand(name, options, keys) {
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if (options[name]) {
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keys.forEach(function(key) {
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if (options[key]) {
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if (typeof options[key] != "object") options[key] = {};
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if (!(name in options[key])) options[key][name] = options[name];
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}
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});
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}
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}
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function init_cache(cache) {
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if (!cache) return;
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if (!("props" in cache)) {
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cache.props = new Dictionary();
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} else if (!(cache.props instanceof Dictionary)) {
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cache.props = Dictionary.fromObject(cache.props);
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}
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}
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function to_json(cache) {
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return {
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props: cache.props.toObject()
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};
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}
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function minify(files, options) {
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try {
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options = defaults(options, {
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compress: {},
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enclose: false,
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ie8: false,
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keep_fnames: false,
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mangle: {},
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nameCache: null,
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output: {},
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parse: {},
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rename: undefined,
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sourceMap: false,
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timings: false,
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toplevel: false,
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warnings: false,
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wrap: false,
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}, true);
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var timings = options.timings && {
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start: Date.now()
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};
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if (options.rename === undefined) {
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options.rename = options.compress && options.mangle;
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}
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set_shorthand("ie8", options, [ "compress", "mangle", "output" ]);
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set_shorthand("keep_fnames", options, [ "compress", "mangle" ]);
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set_shorthand("toplevel", options, [ "compress", "mangle" ]);
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var quoted_props;
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if (options.mangle) {
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options.mangle = defaults(options.mangle, {
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cache: options.nameCache && (options.nameCache.vars || {}),
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eval: false,
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ie8: false,
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keep_fnames: false,
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properties: false,
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reserved: [],
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toplevel: false,
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}, true);
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if (options.mangle.properties) {
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if (typeof options.mangle.properties != "object") {
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options.mangle.properties = {};
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}
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if (options.mangle.properties.keep_quoted) {
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quoted_props = options.mangle.properties.reserved;
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if (!Array.isArray(quoted_props)) quoted_props = [];
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options.mangle.properties.reserved = quoted_props;
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}
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if (options.nameCache && !("cache" in options.mangle.properties)) {
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options.mangle.properties.cache = options.nameCache.props || {};
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}
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}
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init_cache(options.mangle.cache);
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init_cache(options.mangle.properties.cache);
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}
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if (options.sourceMap) {
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options.sourceMap = defaults(options.sourceMap, {
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content: null,
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filename: null,
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includeSources: false,
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root: null,
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url: null,
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}, true);
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}
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var warnings = [];
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if (options.warnings) AST_Node.log_function(function(warning) {
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warnings.push(warning);
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}, options.warnings == "verbose");
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if (timings) timings.parse = Date.now();
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var source_maps, toplevel;
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if (files instanceof AST_Toplevel) {
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toplevel = files;
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} else {
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if (typeof files == "string") {
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files = [ files ];
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}
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options.parse = options.parse || {};
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options.parse.toplevel = null;
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var source_map_content = options.sourceMap && options.sourceMap.content;
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if (typeof source_map_content == "string" && source_map_content != "inline") {
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source_map_content = parse_source_map(source_map_content);
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}
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source_maps = source_map_content && Object.create(null);
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for (var name in files) if (HOP(files, name)) {
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options.parse.filename = name;
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options.parse.toplevel = parse(files[name], options.parse);
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if (source_maps) {
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if (source_map_content == "inline") {
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var inlined_content = read_source_map(name, files[name]);
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if (inlined_content) {
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source_maps[name] = parse_source_map(inlined_content);
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}
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} else {
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source_maps[name] = source_map_content;
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}
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}
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}
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toplevel = options.parse.toplevel;
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}
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if (quoted_props) {
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reserve_quoted_keys(toplevel, quoted_props);
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}
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[ "enclose", "wrap" ].forEach(function(action) {
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var option = options[action];
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if (!option) return;
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var orig = toplevel.print_to_string().slice(0, -1);
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toplevel = toplevel[action](option);
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files[toplevel.start.file] = toplevel.print_to_string().replace(orig, "");
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});
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if (timings) timings.rename = Date.now();
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if (options.rename) {
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toplevel.figure_out_scope(options.mangle);
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toplevel.expand_names(options.mangle);
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}
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if (timings) timings.compress = Date.now();
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if (options.compress) toplevel = new Compressor(options.compress).compress(toplevel);
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if (timings) timings.scope = Date.now();
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if (options.mangle) toplevel.figure_out_scope(options.mangle);
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if (timings) timings.mangle = Date.now();
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if (options.mangle) {
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toplevel.compute_char_frequency(options.mangle);
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toplevel.mangle_names(options.mangle);
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}
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if (timings) timings.properties = Date.now();
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if (options.mangle && options.mangle.properties) {
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toplevel = mangle_properties(toplevel, options.mangle.properties);
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}
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if (timings) timings.output = Date.now();
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var result = {};
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if (options.output.ast) {
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result.ast = toplevel;
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}
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if (!HOP(options.output, "code") || options.output.code) {
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if (options.sourceMap) {
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options.output.source_map = SourceMap({
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file: options.sourceMap.filename,
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orig: source_maps,
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root: options.sourceMap.root
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});
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if (options.sourceMap.includeSources) {
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if (files instanceof AST_Toplevel) {
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throw new Error("original source content unavailable");
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} else for (var name in files) if (HOP(files, name)) {
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options.output.source_map.get().setSourceContent(name, files[name]);
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}
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} else {
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options.output.source_map.get()._sourcesContents = null;
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}
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}
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delete options.output.ast;
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delete options.output.code;
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var stream = OutputStream(options.output);
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toplevel.print(stream);
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result.code = stream.get();
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if (options.sourceMap) {
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result.map = options.output.source_map.toString();
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var url = options.sourceMap.url;
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if (url) {
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result.code = result.code.replace(/\n\/\/# sourceMappingURL=\S+\s*$/, "");
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if (url == "inline") {
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result.code += "\n//# sourceMappingURL=data:application/json;charset=utf-8;base64," + to_base64(result.map);
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} else {
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result.code += "\n//# sourceMappingURL=" + url;
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}
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}
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}
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}
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if (options.nameCache && options.mangle) {
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if (options.mangle.cache) options.nameCache.vars = to_json(options.mangle.cache);
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if (options.mangle.properties && options.mangle.properties.cache) {
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options.nameCache.props = to_json(options.mangle.properties.cache);
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}
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}
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if (timings) {
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timings.end = Date.now();
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result.timings = {
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parse: 1e-3 * (timings.rename - timings.parse),
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rename: 1e-3 * (timings.compress - timings.rename),
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compress: 1e-3 * (timings.scope - timings.compress),
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scope: 1e-3 * (timings.mangle - timings.scope),
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mangle: 1e-3 * (timings.properties - timings.mangle),
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properties: 1e-3 * (timings.output - timings.properties),
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output: 1e-3 * (timings.end - timings.output),
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total: 1e-3 * (timings.end - timings.start)
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}
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}
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if (warnings.length) {
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result.warnings = warnings;
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}
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return result;
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} catch (ex) {
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return { error: ex };
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}
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}
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