56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
'use strict';
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var assign = require('object-assign');
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var normalizeOptions = require('./lib/normalize-options');
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var minify = require('./lib/minify');
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var relative = require('./lib/relative');
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module.exports = function metalsmithUglify(options) {
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// Set up the options
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options = normalizeOptions(options);
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return function uglify(files, metalsmith, done) {
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var errors = [];
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var jsFiles = Object.keys(files)
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.filter(options.filter)
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.sort(options.order)
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.map(function (filepath) {
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var contents = files[filepath].contents;
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if (options.removeOriginal) { delete files[filepath]; }
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return {
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contents: contents,
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path: filepath
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};
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});
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if (options.concat && jsFiles.length) { jsFiles = [jsFiles]; }
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jsFiles.forEach(function (file) {
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var opts = assign({}, options);
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var minPath = options.getMinPath(file.path);
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var srcMapPath = options.sourceMap(minPath);
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if (srcMapPath) {
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opts.outSourceMap = relative(minPath, srcMapPath);
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}
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var mangled = minify(file, opts);
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if (mangled instanceof Error) { return errors.push(mangled); }
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if (mangled.map) {
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files[srcMapPath] = { contents: new Buffer(mangled.map) };
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}
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files[minPath] = { contents: new Buffer(mangled.code) };
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});
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if (errors.length) { return done(errors[0]); }
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done();
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};
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};
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