forked from ppfun/pixelplanet
55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
/*
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*
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* @flow
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*/
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import fs from 'fs';
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import path from 'path';
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import CleanCSS from 'clean-css';
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import crypto from 'crypto';
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const rootdir = path.resolve(__dirname, '..');
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const assetdir = path.resolve(__dirname, '../build/public/assets');
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const builddir = path.resolve(__dirname, '../build');
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const FOLDER = path.resolve(__dirname, '../src/styles');
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const FILES = [
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'default.css',
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'dark.css',
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'light-round.css',
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'dark-round.css',
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'arkeros.css',
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];
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async function minifyCss() {
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console.log('Minifying css');
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const assets = {};
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FILES.forEach((file) => {
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const input = fs.readFileSync(`${FOLDER}/${file}`, 'utf8');
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const options = {};
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const output = new CleanCSS(options).minify(input);
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if (output.warnings && output.warnings.length > 0) {
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for (let i = 0; i < output.warnings.length; i += 1) {
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console.log('\x1b[33m%s\x1b[0m', output.warnings[i]);
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}
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}
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if (output.errors && output.errors.length > 0) {
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for (let i = 0; i < output.errors.length; i += 1) {
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console.log('\x1b[31m%s\x1b[0m', output.errors[i]);
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}
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throw new Error("Minify CSS Error Occured");
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}
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// eslint-disable-next-line max-len
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console.log('\x1b[33m%s\x1b[0m', `Minified ${file} by ${Math.round(output.stats.efficiency * 100)}%`);
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const hash = crypto.createHash('md5').update(output.styles).digest('hex');
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const key = file.substr(0, file.indexOf('.'));
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const filename = `${key}.${hash.substr(0, 8)}.css`;
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fs.writeFileSync(`${assetdir}/${filename}`, output.styles, 'utf8');
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assets[key] = `/assets/${filename}`;
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});
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const json = JSON.stringify(assets);
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fs.writeFileSync(`${builddir}/styleassets.json`, json);
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}
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export default minifyCss;
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