From b0b839accc88d8b3326733a94f76cb7c527fdb06 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=9D=B4=EC=B1=84=EC=A4=80=20-=20CJ=20Lee?=
 <chaejunlee@knu.ac.kr>
Date: Wed, 8 May 2024 03:51:16 -0700
Subject: [PATCH] fix(logger): truncate log over 5000 characters long (#16581)

---
 packages/vite/src/node/logger.ts | 20 +++++++++++++++++++-
 packages/vite/src/node/utils.ts  |  2 +-
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/packages/vite/src/node/logger.ts b/packages/vite/src/node/logger.ts
index 8600228e305de1..ddeda0755712f1 100644
--- a/packages/vite/src/node/logger.ts
+++ b/packages/vite/src/node/logger.ts
@@ -4,6 +4,7 @@ import readline from 'node:readline'
 import colors from 'picocolors'
 import type { RollupError } from 'rollup'
 import type { ResolvedServerUrls } from './server'
+import { splitRE } from './utils'
 
 export type LogType = 'error' | 'warn' | 'info'
 export type LogLevel = LogType | 'silent'
@@ -63,6 +64,8 @@ function getTimeFormatter() {
   return timeFormatter
 }
 
+const MAX_LOG_CHAR = 5000
+
 export function createLogger(
   level: LogLevel = 'info',
   options: LoggerOptions = {},
@@ -78,7 +81,22 @@ export function createLogger(
     allowClearScreen && process.stdout.isTTY && !process.env.CI
   const clear = canClearScreen ? clearScreen : () => {}
 
-  function format(type: LogType, msg: string, options: LogErrorOptions = {}) {
+  function preventOverflow(msg: string) {
+    if (msg.length > MAX_LOG_CHAR) {
+      const shorten = msg.slice(0, MAX_LOG_CHAR)
+      const lines = msg.slice(MAX_LOG_CHAR).match(splitRE)?.length || 0
+
+      return `${shorten}\n... and ${lines} lines more`
+    }
+    return msg
+  }
+
+  function format(
+    type: LogType,
+    rawMsg: string,
+    options: LogErrorOptions = {},
+  ) {
+    const msg = preventOverflow(rawMsg)
     if (options.timestamp) {
       const tag =
         type === 'info'
diff --git a/packages/vite/src/node/utils.ts b/packages/vite/src/node/utils.ts
index b9ceece25f40f2..218cb33b81aafa 100644
--- a/packages/vite/src/node/utils.ts
+++ b/packages/vite/src/node/utils.ts
@@ -434,7 +434,7 @@ export function isFilePathESM(
   }
 }
 
-const splitRE = /\r?\n/
+export const splitRE = /\r?\n/g
 
 const range: number = 2