Issues

• Consider migrating from Volta to Vite+ or mise

  sveltejs/svelte-preprocess#686 · Filter by author naokihaba opened on Aug 24, 2026

• Add Support for TypeScript 7

  sveltejs/svelte-preprocess#685 · Filter by author cooperwalbrun opened on Jul 30, 2026

• npm RFC #868 will block this package's install script by default

  sveltejs/svelte-preprocess#683 · Filter by author JamieMagee opened on Jun 1, 2026

• Anyone *actually* using Coffeescript?

  sveltejs/svelte-preprocess#676 · Filter by author nilskp opened on Apr 3, 2026

• Issues with sugarss ^5

  sveltejs/svelte-preprocess#674 · Filter by author Vooord opened on Mar 4, 2026
  2

• Svelte inspector points to incorrect line number when using lang="ts"

  sveltejs/svelte-preprocess#671 · Filter by author Bladesheng opened on Jul 2, 2025
  1

• Unable to handle @lucide/svelte in pnpm workspace catalog mode

  sveltejs/svelte-preprocess#670 · Filter by author JetLua opened on Jun 23, 2025

• Uninstalled optional peer dependencies causing error during type check

  sveltejs/svelte-preprocess#669 · Filter by author BlueGreenMagick opened on May 25, 2025

• Running into an issue while using esbuild-svelte and svelte-preprocess with svelte 5

  sveltejs/svelte-preprocess#668 · Filter by author christophertrudel opened on Apr 24, 2025
  2

• svelte-preprocess may silently fail to auto-resolve tsconfig

  sveltejs/svelte-preprocess#667 · Filter by author 7nik opened on Apr 17, 2025
  3

• Could not dynamically import error

  sveltejs/svelte-preprocess#666 · Filter by author yyz945947732 opened on Apr 12, 2025

• Minor issues with preprocessed TypeScript

  sveltejs/svelte-preprocess#665 · Filter by author nstuyvesant opened on Feb 15, 2025

• Svelte 5 rest props with lang="ts" gives an error

  sveltejs/svelte-preprocess#662 · Filter by author ElijahJohnson5 opened on Nov 14, 2024

• :global { } don't works as expected

  question
  sveltejs/svelte-preprocess#661 · Filter by author Inqnuam opened on Nov 11, 2024
  2

• Svelte6 readiness: Why are quotes required for Pug attributes?

  sveltejs/svelte-preprocess#660 · Filter by author njreid opened on Nov 7, 2024
  6

• svelte5 - custom attributes like src must be removed from tag when preprocessing them

  sveltejs/svelte-preprocess#652 · Filter by author dominikg opened on Aug 27, 2024

• Sass option quietDeps does not seem to work

  sveltejs/svelte-preprocess#651 · Filter by author Renkas opened on Aug 8, 2024

• svelte-preprocess v7 breaking changes

  next-major
  sveltejs/svelte-preprocess#642 · Filter by author dummdidumm opened on Jun 14, 2024

• Use babel

  sveltejs/svelte-preprocess#625 · Filter by author alkorlos opened on Feb 5, 2024

• CompileError [ParseError]: :global() must contain a selector

  bughelp wanted
  sveltejs/svelte-preprocess#613 · Filter by author lewispham opened on Sep 11, 2023
  2

• When using global CSS eslint complains "Unused CSS selector ".some-class"(css-unused-selector) eslintsvelte/valid-compile"

  sveltejs/svelte-preprocess#607 · Filter by author 205g0 opened on Jul 13, 2023

• PostCSS doesn't run against @import url() local css.

  sveltejs/svelte-preprocess#605 · Filter by author MadMaxMcKinney opened on Jul 2, 2023
  1

• postcss/Tailwind: Unused CSS selectors not purged

  sveltejs/svelte-preprocess#601 · Filter by author a-0-dev opened on May 27, 2023
  2

• Request: Ability to send locals to Pug template

  sveltejs/svelte-preprocess#595 · Filter by author pepper-lees opened on Apr 30, 2023

• Nested SCSS selectors global by default

  sveltejs/svelte-preprocess#592 · Filter by author SamMousa opened on Apr 25, 2023