regexper-static/script/prerender.js

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// NOTE: This script *MUST* be built with webpack since it requires React
// components. The script is built and run as part of `yarn build`
import React from 'react';
import { renderToString } from 'react-dom/server';
import fs from 'fs';
import util from 'util';
import cheerio from 'cheerio';
import colors from 'colors/safe';
import 'i18n';
const readdir = util.promisify(fs.readdir);
const readFile = util.promisify(fs.readFile);
const writeFile = util.promisify(fs.writeFile);
readdir('./src/pages')
.then(pages => (
Promise.all(pages.map(async page => {
const Component = (await import(`pages/${ page }/Component`)).default;
const pagePath = `./build/${ page }.html`;
const markup = cheerio.load(await readFile(pagePath));
markup('#root').html(renderToString(<Component/>));
await writeFile(pagePath, markup.html());
console.log(colors.green.bold('PRERENDERED:'), `${ page }.html`); // eslint-disable-line no-console
}))
))
.then(() => console.log('Done prerendering')) // eslint-disable-line no-console
.catch(e => {
console.error(colors.red.bold('FAIL:'), e); // eslint-disable-line no-console
process.exit(1);
});