38 lines
912 B
JavaScript
38 lines
912 B
JavaScript
'use strict';
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var format = require('util').format;
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var uglify = require('uglify-js');
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var arrify = require('arrify');
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module.exports = function minify(files, options) {
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var mangled;
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files = arrify(files);
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var contents = files.map(function (file) {
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return file.contents.toString();
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});
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var paths = files.map(function (file) { return file.path; });
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try {
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mangled = uglify.minify(contents, options);
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mangled.map = processSourceMap(files, mangled.map);
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return mangled;
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} catch (err) {
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return new Error(
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format('uglify: Failed to minify %s: %s', paths.join(', '), err.stack)
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);
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}
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};
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function processSourceMap(files, map) {
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if (!map) { return null; }
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map = JSON.parse(map);
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map.sourcesContent = [];
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files.forEach(function (file, i) {
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map.sources[i] = file.path;
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map.sourcesContent[i] = file.contents.toString();
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});
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return JSON.stringify(map);
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}
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