59 lines
1.5 KiB
TypeScript
59 lines
1.5 KiB
TypeScript
import { promisify } from 'util';
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import * as treeKill from 'tree-kill';
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import { logError, logInfo, logSuccess } from './log-utils';
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import { check as portCheck } from 'tcp-port-used';
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export const kill = require('kill-port');
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const KILL_PORT_DELAY = 5000;
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export const promisifiedTreeKill: (
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pid: number,
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signal: string
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) => Promise<void> = promisify(treeKill);
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export async function killPort(port: number): Promise<boolean> {
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if (await portCheck(port)) {
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let killPortResult;
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try {
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logInfo(`Attempting to close port ${port}`);
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killPortResult = await kill(port);
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await new Promise<void>((resolve) =>
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setTimeout(() => resolve(), KILL_PORT_DELAY)
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);
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if (await portCheck(port)) {
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logError(`Port ${port} still open`, JSON.stringify(killPortResult));
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} else {
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logSuccess(`Port ${port} successfully closed`);
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return true;
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}
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} catch {
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logError(`Port ${port} closing failed`);
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}
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return false;
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} else {
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return true;
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}
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}
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export async function killPorts(port?: number): Promise<boolean> {
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return port
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? await killPort(port)
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: (await killPort(3333)) && (await killPort(4200));
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}
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export async function killProcessAndPorts(
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pid: number | undefined,
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...ports: number[]
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): Promise<void> {
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try {
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if (pid) {
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await promisifiedTreeKill(pid, 'SIGKILL');
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}
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for (const port of ports) {
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await killPort(port);
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}
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} catch (err) {
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expect(err).toBeFalsy();
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}
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}
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