export should fail on timeouts

This commit is contained in:
Rich Harris
2018-08-24 14:25:48 -04:00
parent 62b8a79e9f
commit 8abc01551e
3 changed files with 53 additions and 25 deletions

View File

@@ -10,7 +10,14 @@ import minify_html from './utils/minify_html';
import Deferred from './utils/Deferred';
import * as events from './interfaces';
export function exporter(opts: {}) {
type Opts = {
build: string,
dest: string,
basepath: string,
timeout: number | false
};
export function exporter(opts: Opts) {
const emitter = new EventEmitter();
execute(emitter, opts).then(
@@ -27,42 +34,38 @@ export function exporter(opts: {}) {
return emitter;
}
async function execute(emitter: EventEmitter, {
build = 'build',
dest = 'export',
basepath = ''
} = {}) {
const export_dir = path.join(dest, basepath);
async function execute(emitter: EventEmitter, opts: Opts) {
const export_dir = path.join(opts.dest, opts.basepath);
// Prep output directory
sander.rimrafSync(export_dir);
sander.copydirSync('assets').to(export_dir);
sander.copydirSync(build, 'client').to(export_dir, 'client');
sander.copydirSync(opts.build, 'client').to(export_dir, 'client');
if (sander.existsSync(build, 'service-worker.js')) {
sander.copyFileSync(build, 'service-worker.js').to(export_dir, 'service-worker.js');
if (sander.existsSync(opts.build, 'service-worker.js')) {
sander.copyFileSync(opts.build, 'service-worker.js').to(export_dir, 'service-worker.js');
}
if (sander.existsSync(build, 'service-worker.js.map')) {
sander.copyFileSync(build, 'service-worker.js.map').to(export_dir, 'service-worker.js.map');
if (sander.existsSync(opts.build, 'service-worker.js.map')) {
sander.copyFileSync(opts.build, 'service-worker.js.map').to(export_dir, 'service-worker.js.map');
}
const port = await ports.find(3000);
const origin = `http://localhost:${port}`;
const root = new URL(basepath || '', origin);
const root = new URL(opts.basepath || '', origin);
emitter.emit('info', {
message: `Crawling ${root.href}`
});
const proc = child_process.fork(path.resolve(`${build}/server.js`), [], {
const proc = child_process.fork(path.resolve(`${opts.build}/server.js`), [], {
cwd: process.cwd(),
env: Object.assign({
PORT: port,
NODE_ENV: 'production',
SAPPER_DEST: build,
SAPPER_DEST: opts.build,
SAPPER_EXPORT: 'true'
}, process.env)
});
@@ -117,7 +120,18 @@ async function execute(emitter: EventEmitter, {
const deferred = get_deferred(pathname);
const r = await fetch(url.href);
const timeout_deferred = new Deferred();
const timeout = setTimeout(() => {
timeout_deferred.reject(new Error(`Timed out waiting for ${url.href}`));
}, opts.timeout);
const r = await Promise.race([
fetch(url.href),
timeout_deferred.promise
]);
clearTimeout(timeout); // prevent it hanging at the end
const range = ~~(r.status / 100);
if (range === 2) {
@@ -152,11 +166,12 @@ async function execute(emitter: EventEmitter, {
}
return ports.wait(port)
.then(() => {
// TODO all static routes
return handle(root);
})
.then(() => proc.kill());
.then(() => handle(root))
.then(() => proc.kill())
.catch(err => {
proc.kill();
throw err;
});
}
function get_href(attrs: string) {