fix: quite max listeners warning

Fixes #235

Author: harlan-zw

packages/cli/src/ci.ts

@@ -1,3 +1,4 @@
+import { setMaxListeners } from 'node:events'
 import { createUnlighthouse, generateClient, useLogger, useUnlighthouse } from '@unlighthouse/core'
 import fs from 'fs-extra'
 import { relative } from 'pathe'
@@ -13,8 +14,9 @@ import type { CiOptions } from './types'
 async function run() {
   const startTime = new Date()
 
-  const cli = createCli()
+  setMaxListeners(0)
 
+  const cli = createCli()
   cli.option('--budget <budget>', 'Budget (1-100), the minimum score which can pass.')
   cli.option('--build-static <build-static>', 'Build a static website for the reports which can be uploaded.')
   cli.option('--reporter <reporter>', 'The report to generate from results. Options: csv, csvExpanded, json, jsonExpanded or false. Default: json.')

packages/cli/src/cli.ts

@@ -1,3 +1,4 @@
+import { setMaxListeners } from 'node:events'
 import { createUnlighthouse, useLogger } from '@unlighthouse/core'
 import { createServer } from '@unlighthouse/server'
 import open from 'better-opn'
@@ -14,6 +15,8 @@ async function run() {
   if (options.help || options.version)
     return
 
+  setMaxListeners(0)
+
   const unlighthouse = await createUnlighthouse(
     {
       ...pickOptions(options),

packages/core/src/process/lighthouse.ts

@@ -1,10 +1,13 @@
+import { setMaxListeners } from 'node:events'
 import fs from 'node:fs'
 import { join } from 'node:path'
 import lighthouse from 'lighthouse/core/index.cjs'
 import minimist from 'minimist'
 import type { Flags } from 'lighthouse'
 import type { UnlighthouseRouteReport } from '../types'
 
+setMaxListeners(0);
+
 /*
  * This file is intended to be run in its own process and should not rely on any global state.
  */