fix: package and path resolving

[KermanX]

Overview

fixes #1238
fixes #1278

Previously, the resolving utilities were messed up, and not all the cases (like global installation and @/) are handled properly. This PR fixes that by refactoring the path-resolving utilities.

Changes

• Refactor the path resolving utilities
  • Remove unnecessary/duplicate code
  • Move all these utilities to packages/slidev/node/resolver.ts
• Fix the global installation path resolving
• Make @/ work properly
• Make the resolving logic of themes and addons consistent, and more robust
• Noticeably improve the loading performance by avoiding unnecessary/duplicate path-resolving
• Resolve userRoot, cliRoot, and clientRoot at module level. So that we don't need to pass them around anymore
• Fix Monaco iframe builder

Test Plan

• Reload when theme changed
• Reload when config changed
• Create new slides.md by CLI
• Theme HMR
• slidev
• slidev build
• slidev export / slidev export-notes
  • Slidev installed globally (NPM&PNPM) & Playwright installed globally
  • Slidev installed globally (NPM&PNPM) & Playwright installed locally
  • Slidev installed locally (NPM&YARN&PNPM) & Playwright installed globally
  • Slidev installed locally (NPM&YARN&PNPM) & Playwright installed locally
• slidev format
• slidev theme eject
  • Theme installed as global package
  • Theme installed as local package
  • Theme is a local folder

Todos

• Get fix: nested multiple-entry slides #1305 merged first