breaking: svelte-preprocess 6 (#640)

- breaking: remove TS mixed imports support, require TS 5.0 or higher
- breaking: require Svelte 4+, Node 18+
- breaking: add exports map
- fix: adjust type import
- fix: remove pug types from dependencies
- fix: allow TS filename to be undefined, fixes #488
- chore: replace jest with vitest
- chore: relax eslint config
- chore: bump peer deps, fixes #553, closes#635 
- chore: update CI, closes #638
- chore: get rid of magic-string as it's no longer used, bump node types
- docs: migration info

Author: dummdidumm

.eslintrc

@@ -2,14 +2,16 @@
   "extends": ["@kiwi"],
   "env": {
     "node": true,
-    "jest": true
+    "jest": true,
   },
   "rules": {
     "@typescript-eslint/no-explicit-any": "off",
     "@typescript-eslint/ban-types": "off",
     "@typescript-eslint/prefer-nullish-coalescing": "off",
     "@typescript-eslint/no-non-null-assertion": "off",
     "no-console": "off",
-    "line-comment-position": "off"
-  }
+    "line-comment-position": "off",
+    "import/order": "off",
+    "@typescript-eslint/ban-ts-comment": "off",
+  },
 }

.github/workflows/ci.yml

@@ -6,11 +6,11 @@ jobs:
   Lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: pnpm/action-setup@v2
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 18
           cache: 'pnpm'
       - run: pnpm install
       - run: pnpm lint
@@ -19,13 +19,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [16, 18, 20]
+        node-version: [18, 20, 22]
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
       - run: git config --global core.autocrlf false
-      - uses: actions/checkout@v2
-      - uses: pnpm/action-setup@v2
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}