76 lines
No EOL
2.1 KiB
JavaScript
Executable file
76 lines
No EOL
2.1 KiB
JavaScript
Executable file
'use strict';
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function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
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var _require = require('uglify-es');
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const minify = _require.minify;
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const SourceMap = require('../SourceMap');
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module.exports = (() => {
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var _ref = _asyncToGenerator(function* (asset) {
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yield asset.parseIfNeeded();
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// Convert AST into JS
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let source = (yield asset.generate()).js;
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let customConfig = yield asset.getConfig(['.uglifyrc']);
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let options = {
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warnings: true,
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mangle: {
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toplevel: true
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}
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};
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let sourceMap;
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if (asset.options.sourceMap) {
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sourceMap = new SourceMap();
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options.output = {
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source_map: {
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add(source, gen_line, gen_col, orig_line, orig_col, name) {
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sourceMap.addMapping({
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source,
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name,
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original: {
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line: orig_line,
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column: orig_col
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},
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generated: {
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line: gen_line,
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column: gen_col
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}
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});
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}
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}
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};
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}
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if (customConfig) {
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options = Object.assign(options, customConfig);
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}
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let result = minify(source, options);
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if (result.error) {
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throw result.error;
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}
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if (sourceMap) {
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if (asset.sourceMap) {
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asset.sourceMap = yield new SourceMap().extendSourceMap(asset.sourceMap, sourceMap);
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} else {
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asset.sourceMap = sourceMap;
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}
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}
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// babel-generator did our code generation for us, so remove the old AST
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asset.ast = null;
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asset.outputCode = result.code;
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asset.isAstDirty = false;
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});
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return function (_x) {
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return _ref.apply(this, arguments);
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};
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})(); |