Angular使用ng serve时自动重载问题咨询（仅个人iMac出现）

Hey there, let's tackle this frustrating auto-reload issue that's only popping up on your older iMac. I've dealt with similar macOS-specific quirks before, so here are some targeted fixes to try:

• Adjust File System Limits
  Older macOS versions like High Sierra have stricter limits on how many files the system can monitor at once, which can cause Angular's live-reload to misbehave. Run these commands in your terminal to temporarily bump the limits:

  sysctl -w kern.maxfiles=524288
  sysctl -w kern.maxfilesperproc=524288
  

  To make this change permanent, create or edit /etc/sysctl.conf and add those two lines, then restart your computer.

• Exclude Your Project from Spotlight Indexing
  Spotlight might be constantly indexing files in your Angular project, triggering false change detections. Here's how to stop that:

  1. Open System Preferences → Spotlight → Privacy
  2. Drag your entire Angular project folder into the list of excluded locations
  3. Restart ng serve and see if the auto-reload calms down

• Verify Angular CLI & Dependency Version Match
  Mismatched CLI and Angular core package versions often cause weird behavior. Run ng version in your project root to check:

  • Ensure @angular/cli and @angular/core versions are closely aligned (e.g., both 12.x or both 14.x)
  • If they don't match, either update the CLI to match your project (npm install @angular/cli@<your-project-version>) or update your project dependencies to match the CLI

• Wipe Caches & Reinstall Dependencies
  Corrupted cache files can trigger false reloads. Follow these steps to reset:

  npm cache clean --force
  rm -rf node_modules
  rm package-lock.json
  npm install
  rm -rf dist
  ng serve
  

• Exclude Temporary/Editor Files from Monitoring
  Some editors generate backup or swap files (like VS Code's .swp files, or files ending in ~) that Angular might mistake for real changes. Add these exclusions to your angular.json:
  Navigate to projects → [your-project-name] → architect → build → options and add:

  "exclude": ["**/*.swp", "**/*~", "**/.DS_Store"]
  

Give these steps a try one at a time—chances are one of them will fix that unwanted auto-reload. Let me know if you run into any roadblocks!

内容的提问来源于stack exchange，提问作者axelferreira