openethereum/js/webpack/embed.js

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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
const webpack = require('webpack');
const WebpackStats = require('webpack/lib/Stats');
const path = require('path');
const fs = require('fs');
const WebpackConfig = require('./app');
const compiler = webpack(WebpackConfig);
compiler.run(function handler (err, stats) {
if (err) {
return console.error(err);
}
// @see https://github.com/webpack/webpack/blob/324d309107f00cfc38ec727521563d309339b2ec/lib/Stats.js#L790
// Accepted values: none, errors-only, minimal, normal, verbose
const options = WebpackStats.presetToOptions('normal');
options.timings = true;
const output = stats.toString(options);
const assets = Object.keys(stats.compilation.assets);
const embedPath = path.resolve(WebpackConfig.output.path, './embed.json');
const embedData = { assets: assets };
fs.writeFileSync(embedPath, JSON.stringify(embedData, null, 2));
process.stdout.write('\n');
process.stdout.write(output);
process.stdout.write('\n\n');
});