41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
import { resolve } from 'node:path';
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import {
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CANARY_DEFAULT_PORT,
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CANARY_DEFAULT_UPSTREAM_PORT,
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createCanaryGateway,
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} from './canary-gateway.ts';
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function environmentPort(name: string, fallback: number): number {
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const value = process.env[name];
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if (value === undefined || value === '') return fallback;
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const port = Number(value);
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if (!Number.isInteger(port)) throw new Error(`${name} must be an integer port`);
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return port;
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}
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const gateway = createCanaryGateway({
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distDir: resolve(process.env.CANARY_DIST_DIR ?? 'apps/web/dist'),
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port: environmentPort('CANARY_PORT', CANARY_DEFAULT_PORT),
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upstreamPort: environmentPort('CANARY_UPSTREAM_PORT', CANARY_DEFAULT_UPSTREAM_PORT),
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});
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let stopping = false;
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async function stop(signal: string): Promise<void> {
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if (stopping) return;
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stopping = true;
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process.stdout.write(`Stopping canary gateway (${signal})\n`);
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await gateway.stop();
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}
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process.once('SIGINT', () => void stop('SIGINT'));
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process.once('SIGTERM', () => void stop('SIGTERM'));
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try {
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await gateway.start();
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process.stdout.write(`Canary gateway listening at ${gateway.origin}\n`);
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} catch (error) {
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process.stderr.write(`${error instanceof Error ? error.message : String(error)}\n`);
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process.exitCode = 1;
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}
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