chore: use svelte 4 (#680)

Author: bluwy

.github/workflows/ci.yml

@@ -34,8 +34,6 @@ jobs:
         # pseudo-matrix for convenience, NEVER use more than a single combination
         node: [16]
         os: [ubuntu-latest]
-    outputs:
-      build_successful: ${{ steps.build.outcome == 'success' }}
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
@@ -77,13 +75,17 @@ jobs:
       matrix:
         node: [16]
         os: [ubuntu-latest, macos-latest, windows-latest]
+        svelte: [4]
         include:
           - node: 14
             os: ubuntu-latest
+            svelte: 3
           - node: 18
             os: ubuntu-latest
+            svelte: 4
           - node: 20
             os: ubuntu-latest
+            svelte: 4
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
@@ -101,16 +103,20 @@ jobs:
         run: |
           npm i -g pnpm@^7.33.0
           tmppkg="$(jq '.engines.pnpm = "^7.33.0"' package.json)" && echo -E "${tmppkg}" > package.json && tmppkg=""
+      - name: use svelte 3
+        if: matrix.svelte == 3
+        run: |
+          tmppkg="$(jq '.devDependencies.svelte = "^3.59.2"' package.json)" && echo -E "${tmppkg}" > package.json && tmppkg=""
       - uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node }}
           cache: 'pnpm'
           cache-dependency-path: '**/pnpm-lock.yaml'
       - name: install
-        if: matrix.node != 14
+        if: matrix.node != 14 && matrix.svelte != 3
         run: pnpm install --frozen-lockfile --prefer-offline --ignore-scripts
-      - name: install for node14
-        if: matrix.node == 14
+      - name: install for node14 or svelte3
+        if: matrix.node == 14 || matrix.svelte == 3
         run: pnpm install --no-frozen-lockfile --prefer-offline --ignore-scripts
       - name: install playwright chromium
         run: pnpm playwright install chromium
@@ -123,7 +129,7 @@ jobs:
       - uses: actions/upload-artifact@v3
         if: failure()
         with:
-          name: test-failure-${{github.run_id}}-${{ matrix.os }}-${{ matrix.node }}
+          name: test-failure-${{github.run_id}}-${{ matrix.os }}-${{ matrix.node }}-${{ matrix.svelte }}
           path: |
             test-temp.tar
             pnpm-debug.log

.pnpmfile.cjs

@@ -44,7 +44,7 @@
     "prettier": "^2.8.8",
     "prettier-plugin-svelte": "^2.10.1",
     "publint": "^0.1.12",
-    "svelte": "^3.59.2",
+    "svelte": "^4.0.0",
     "typescript": "^5.1.3",
     "vite": "^4.3.9",
     "vitest": "^0.32.2"
@@ -62,7 +62,10 @@
   },
   "pnpm": {
     "overrides": {
-      "@sveltejs/vite-plugin-svelte": "workspace:^"
+      "@sveltejs/vite-plugin-svelte": "workspace:^",
+      "semver@<7.5.2": ">=7.5.2",
+      "svelte": "$svelte",
+      "vite": "$vite"
     }
   }
 }