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use port-authority

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This commit is contained in:
Rich Harris
2018-03-05 15:09:33 -05:00
parent d9d93f41c4
commit 0f8c04b03d
4 changed files with 12 additions and 77 deletions
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6
src/cli/dev.ts
View File

@@ -8,7 +8,7 @@ import mkdirp from 'mkdirp';
import rimraf from 'rimraf';
import format_messages from 'webpack-format-messages';
import prettyMs from 'pretty-ms';
import * as port_utils from './port-utils';
import * as ports from 'port-authority';
import { dest } from '../config';
import { create_compilers, create_app, create_routes, create_serviceworker } from 'sapper/core.js';
@@ -77,7 +77,7 @@ export default async function dev(port: number) {
rimraf.sync(dir);
mkdirp.sync(dir);
const dev_port = await port_utils.find(10000);
const dev_port = await ports.find(10000);
const routes = create_routes();
create_app({ routes, dev_port });
@@ -205,7 +205,7 @@ export default async function dev(port: number) {
deferreds.client.promise.then(() => {
function restart() {
port_utils.wait(3000).then(deferreds.server.fulfil); // TODO control port
ports.wait(3000).then(deferreds.server.fulfil); // TODO control port
}
if (proc) {

7
src/cli/export.ts
View File

@@ -5,7 +5,7 @@ import express from 'express';
import cheerio from 'cheerio';
import URL from 'url-parse';
import fetch from 'node-fetch';
import * as port_utils from './port-utils';
import * as ports from 'port-authority';
import { dest } from '../config';
const app = express();
@@ -27,7 +27,7 @@ export default async function exporter(export_dir: string) {
sander.copyFileSync(build_dir, 'service-worker.js').to(export_dir, 'service-worker.js');
}
const port = await port_utils.find(3000);
const port = await ports.find(3000);
const origin = `http://localhost:${port}`;
@@ -36,6 +36,7 @@ export default async function exporter(export_dir: string) {
env: {
PORT: port,
NODE_ENV: 'production',
SAPPER_DEST: build_dir,
SAPPER_EXPORT: 'true'
}
});
@@ -88,7 +89,7 @@ export default async function exporter(export_dir: string) {
});
}
return port_utils.wait(port)
return ports.wait(port)
.then(() => handle(new URL(origin))) // TODO all static routes
.then(() => proc.kill());
}

10
src/cli/index.ts
View File

@@ -9,7 +9,7 @@ import build from './build';
import exporter from './export';
import dev from './dev';
import upgrade from './upgrade';
import * as port_utils from './port-utils';
import * as ports from 'port-authority';
import { exists } from '../utils';
import * as pkg from '../../package.json';
@@ -22,12 +22,12 @@ prog.command('dev')
.option('-p, --port', 'Specify a port')
.action(async ({ port }: { port: number }) => {
if (port) {
if (!await port_utils.check(port)) {
if (!await ports.check(port)) {
console.log(chalk.bold.red(`> Port ${port} is unavailable`));
return;
}
} else {
port = await port_utils.find(3000);
port = await ports.find(3000);
}
dev(port);
@@ -66,12 +66,12 @@ prog.command('start [dir]')
}
if (port) {
if (!await port_utils.check(port)) {
if (!await ports.check(port)) {
console.log(chalk.bold.red(`> Port ${port} is unavailable`));
return;
}
} else {
port = await port_utils.find(3000);
port = await ports.find(3000);
}
child_process.fork(server, [], {

66
src/cli/port-utils.ts
View File

@@ -1,66 +0,0 @@
import * as net from 'net';
export function check(port: number) {
return new Promise(fulfil => {
const server = net.createServer();
server.unref();
server.on('error', () => {
fulfil(false);
});
server.listen({ port }, () => {
server.close(() => {
fulfil(true);
});
});
});
}
export function find(port: number): Promise<number> {
return new Promise((fulfil) => {
get_port(port, fulfil);
});
}
function get_port(port: number, cb: (port: number) => void) {
const server = net.createServer();
server.unref();
server.on('error', () => {
get_port(port + 1, cb);
});
server.listen({ port }, () => {
server.close(() => {
cb(port);
});
});
}
export function wait(port: number, timeout = 5000) {
return new Promise((fulfil, reject) => {
get_connection(port, fulfil);
setTimeout(() => reject(new Error(`timed out waiting for connection`)), timeout);
});
}
function get_connection(port: number, cb: () => void) {
const socket = net.connect(port, 'localhost', () => {
cb();
socket.destroy();
});
socket.on('error', err => {
setTimeout(() => {
get_connection(port, cb);
}, 10);
});
setTimeout(() => {
socket.destroy();
}, 1000);
}