ci: fix node 16 builds (#413)

package.json

@@ -103,9 +103,10 @@
     "@testing-library/user-event": "^14.5.2",
     "@typescript-eslint/eslint-plugin": "^8.0.0",
     "@typescript-eslint/parser": "^8.0.0",
-    "@vitest/coverage-v8": "^2.0.2",
+    "@vitest/coverage-v8": "^1.0.0 || ^2.0.2",
     "all-contributors-cli": "^6.26.1",
     "doctoc": "^2.2.1",
+    "esbuild": "*",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-config-standard": "^17.1.0",
@@ -123,10 +124,10 @@
     "prettier": "^3.3.3",
     "prettier-plugin-svelte": "^3.2.5",
     "svelte": "^3 || ^4 || ^5 || ^5.0.0-next.0",
-    "svelte-check": "^4.0.4",
+    "svelte-check": "^3.0.0 || ^4.0.4",
     "svelte-jester": "^5.0.0",
     "typescript": "^5.5.3",
-    "vite": "^5.3.3",
-    "vitest": "^2.0.2"
+    "vite": "^4.0.0 || ^5.3.3",
+    "vitest": "^1.0.0 || ^2.0.2"
   }
 }

scripts/install-dependencies

@@ -15,4 +15,11 @@ elif [[ "${svelte_version}" == "3" ]]; then
   npm install --no-save vite@4 vitest@1 @vitest/coverage-v8@1 @sveltejs/vite-plugin-svelte@2 svelte-check@3 svelte@3
 fi
 
-npm ls --depth=0 svelte
+npm dedupe
+installed_version=$(npm ls --depth=0 --parseable  svelte@${svelte_version})
+
+if [[ -z "${installed_version}" ]]; then
+  echo "Error: expected svelte@${svelte_version}"
+  npm ls --depth=0 svelte
+  exit 1
+fi