mirror of
https://github.com/kevin-DL/sapper.git
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104 lines
2.8 KiB
JavaScript
104 lines
2.8 KiB
JavaScript
const fs = require('fs');
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const path = require('path');
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const glob = require('glob');
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const webpack = require('webpack');
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const templates = require('../templates.js');
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module.exports = function create_webpack_compiler(dest, routes, dev) {
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const compiler = {};
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const client = webpack(
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require(path.resolve('webpack.client.config.js'))
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);
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const server = webpack(
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require(path.resolve('webpack.server.config.js'))
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);
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if (false) { // TODO watch in dev
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// TODO how can we invalidate compiler.client_main when watcher restarts?
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compiler.client_main = new Promise((fulfil, reject) => {
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client.watch({}, (err, stats) => {
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if (err || stats.hasErrors()) {
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// TODO handle errors
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}
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const filename = stats.toJson().assetsByChunkName.main;
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fulfil(`/client/${filename}`);
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});
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});
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// TODO server
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} else {
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compiler.ready = Promise.all([
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new Promise((fulfil, reject) => {
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client.run((err, stats) => {
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console.log(stats.toString({ colors: true }));
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const info = stats.toJson();
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if (err || stats.hasErrors()) {
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reject(err || info.errors[0]);
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}
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compiler.client_main = `/client/${info.assetsByChunkName.main}`;
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compiler.assets = info.assets.map(asset => `/client/${asset.name}`);
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compiler.asset_cache = {};
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compiler.assets.forEach(file => {
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compiler.asset_cache[file] = fs.readFileSync(path.join(dest, file), 'utf-8');
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});
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fulfil();
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});
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}),
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new Promise((fulfil, reject) => {
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server.run((err, stats) => {
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console.log(stats.toString({ colors: true }));
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const info = stats.toJson();
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if (err || stats.hasErrors()) {
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reject(err || info.errors[0]);
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}
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compiler.chunks = info.assetsByChunkName;
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fulfil();
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});
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})
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]).then(() => {
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const assets = glob.sync('**', { cwd: 'assets', nodir: true });
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const route_code = `[${
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routes
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.filter(route => route.type === 'page')
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.map(route => `{ pattern: ${route.pattern} }`)
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.join(', ')
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}]`;
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compiler.service_worker = fs.readFileSync('templates/service-worker.js', 'utf-8')
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.replace('__timestamp__', Date.now())
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.replace('__assets__', JSON.stringify(assets))
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.replace('__shell__', JSON.stringify(compiler.assets.concat('/index.html')))
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.replace('__routes__', route_code);
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compiler.shell = templates.render(200, {
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styles: '',
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head: '',
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html: '<noscript>Please enable JavaScript!</noscript>',
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main: compiler.client_main
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});
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// useful for debugging, but the files are served from memory
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fs.writeFileSync(path.resolve(dest, 'service-worker.js'), compiler.service_worker);
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fs.writeFileSync(path.resolve(dest, 'index.html'), compiler.shell);
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});
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compiler.get_chunk = async id => {
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return path.resolve(dest, 'server', compiler.chunks[id]);
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};
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}
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return compiler;
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}; |