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create a facade over webpack, to support alternative compilers

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This commit is contained in:
Rich Harris
2018-08-25 09:11:45 -04:00
parent d5bf206d2a
commit 24f2855f89
4 changed files with 104 additions and 50 deletions
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32
src/api/build.ts
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@@ -5,6 +5,7 @@ import rimraf from 'rimraf';
import { EventEmitter } from 'events';
import minify_html from './utils/minify_html';
import { create_compilers, create_main_manifests, create_routes, create_serviceworker_manifest } from '../core';
import { Compilers, Compiler } from '../core/create_compilers';
import * as events from './interfaces';
export function build(opts: {}) {
@@ -28,6 +29,7 @@ async function execute(emitter: EventEmitter, {
dest = 'build',
app = 'app',
webpack = 'webpack',
rollup = 'rollup',
routes = 'routes'
} = {}) {
mkdirp.sync(dest);
@@ -51,9 +53,9 @@ async function execute(emitter: EventEmitter, {
// create app/manifest/client.js and app/manifest/server.js
create_main_manifests({ routes: route_objects });
const { client, server, serviceworker } = create_compilers({ webpack });
const { client, server, serviceworker } = create_compilers({ webpack, rollup });
const client_stats = await compile(client);
const client_stats = await client.compile();
emitter.emit('build', <events.BuildEvent>{
type: 'client',
// TODO duration/warnings
@@ -63,7 +65,7 @@ async function execute(emitter: EventEmitter, {
const client_info = client_stats.toJson();
fs.writeFileSync(path.join(dest, 'client_assets.json'), JSON.stringify(client_info.assetsByChunkName));
const server_stats = await compile(server);
const server_stats = await server.compile();
emitter.emit('build', <events.BuildEvent>{
type: 'server',
// TODO duration/warnings
@@ -78,7 +80,7 @@ async function execute(emitter: EventEmitter, {
client_files: client_stats.toJson().assets.map((chunk: { name: string }) => `client/${chunk.name}`)
});
serviceworker_stats = await compile(serviceworker);
serviceworker_stats = await serviceworker.compile();
emitter.emit('build', <events.BuildEvent>{
type: 'serviceworker',
@@ -86,24 +88,4 @@ async function execute(emitter: EventEmitter, {
webpack_stats: serviceworker_stats
});
}
}
function compile(compiler: any) {
return new Promise((fulfil, reject) => {
compiler.run((err: Error, stats: any) => {
if (err) {
reject(err);
process.exit(1);
}
if (stats.hasErrors()) {
console.error(stats.toString({ colors: true }));
reject(new Error(`Encountered errors while building app`));
}
else {
fulfil(stats);
}
});
});
}
}