chore: use eslint caching

Author: gagik

.github/workflows/check.yml

@@ -23,6 +23,13 @@ jobs:
           cache: "pnpm"
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
+      - name: Restore ESLint cache
+        uses: actions/cache@v4
+        with:
+          path: .eslintcache
+          key: eslint-${{ runner.os }}-${{ hashFiles('eslint.config.js', 'eslint-rules/**', 'pnpm-lock.yaml') }}
+          restore-keys: |
+            eslint-${{ runner.os }}-
       - name: Build
         run: pnpm run build
       - name: Run style check

.gitignore

@@ -1,5 +1,6 @@
 dist
 node_modules
+.eslintcache
 
 .vscode/mcp.json
 .github/prompts/*

eslint.config.js

@@ -6,13 +6,12 @@ import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended"
 import vitestPlugin from "@vitest/eslint-plugin";
 import enforceZodV4 from "./eslint-rules/enforce-zod-v4.js";
 
-const testFiles = ["packages/**/*.test.ts", "packages/**/*.test.tsx", "packages/**/*.ts", "packages/**/*.tsx"];
-
-const files = [...testFiles, "packages/**/*.ts"];
+const sourceFiles = ["knip.ts", "packages/**/*.ts", "packages/**/*.tsx"];
+const testFiles = ["packages/**/*.test.ts", "packages/**/*.test.tsx"];
 
 export default defineConfig([
-    { files, plugins: { js }, extends: ["js/recommended"] },
-    { files, languageOptions: { globals: globals.node } },
+    { files: sourceFiles, plugins: { js }, extends: ["js/recommended"] },
+    { files: sourceFiles, languageOptions: { globals: globals.node } },
     {
         files: testFiles,
         plugins: {
@@ -37,7 +36,7 @@ export default defineConfig([
         },
     },
     {
-        files,
+        files: sourceFiles,
         extends: [tseslint.configs.recommendedTypeChecked],
         languageOptions: {
             parserOptions: {
@@ -47,7 +46,7 @@ export default defineConfig([
         },
     },
     {
-        files,
+        files: sourceFiles,
         rules: {
             "@typescript-eslint/switch-exhaustiveness-check": ["error", { considerDefaultExhaustiveForUnions: true }],
             "@typescript-eslint/no-non-null-assertion": "error",
@@ -106,17 +105,16 @@ export default defineConfig([
     globalIgnores([
         "node_modules",
         "**/dist/**",
-        "packages/*/dist/**",
         "packages/atlas-api-client/openapi.d.ts",
         ".claude/**",
-        "packages/mongodb-mcp-server/src/ui/lib",
+        "packages/ui/src/lib/**",
         "coverage",
         "global.d.ts",
         "eslint.config.js",
-        "vitest.config.ts",
-        "vite.ui.config.ts",
-        "src/types/*.d.ts",
-        "tests/integration/fixtures/",
+        "**/vitest.config.ts",
+        "**/vite*.config.ts",
+        "**/temp/**",
+        "**/*.tsbuildinfo",
         "packages/browser-tests/polyfills/**",
         "eslint-rules",
         ".yalc",

package.json

@@ -14,14 +14,16 @@
     "build": "pnpm --filter './packages/*' --filter '!./packages/*-tests' --filter '!./packages/test-utils' -r run build",
     "inspect": "pnpm --filter mongodb-mcp-server inspect",
     "prettier": "prettier",
-    "check": "concurrently \"pnpm run -r check\" \"pnpm run check:lint\" \"pnpm run check:format\" \"pnpm run check:dependencies\" \"pnpm run check:api\"",
+    "check": "concurrently \"pnpm run check:types\" \"pnpm run check:style\" \"pnpm run check:api\"",
+    "check:types": "pnpm run -r --parallel check",
+    "check:style": "concurrently \"pnpm run check:lint\" \"pnpm run check:format\" \"pnpm run check:dependencies\"",
     "check:api": "pnpm run -r --parallel check:api",
-    "check:lint": "eslint .",
+    "check:lint": "eslint . --cache",
     "check:dependencies": "knip --no-config-hints",
     "check:format": "prettier -c .",
     "update:api": "pnpm run build && pnpm run -r --parallel update:api",
     "fix": "pnpm run fix:lint && pnpm run reformat",
-    "fix:lint": "eslint . --fix",
+    "fix:lint": "eslint . --fix --cache",
     "reformat": "prettier --write .",
     "generate": "pnpm run generate:api && pnpm run generate:arguments && pnpm run generate:ui",
     "generate:ui": "pnpm --filter @mongodb-js/mcp-scripts generate:ui",

packages/integration-tests/src/metricsHelpers.ts

@@ -24,6 +24,7 @@ export function parsePrometheusValue(
 
         if (braceOpen === -1) {
             if (line.startsWith(metricName + " ") && Object.keys(labels).length === 0) {
+                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
                 return parseFloat(line.split(" ")[1]!);
             }
             continue;
@@ -35,6 +36,7 @@ export function parsePrometheusValue(
 
         const parsedLabels: Record<string, string> = {};
         for (const match of line.slice(braceOpen + 1, braceClose).matchAll(/(\w+)="([^"]*)"/g)) {
+            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
             parsedLabels[match[1]!] = match[2]!;
         }
 

packages/integration-tests/src/tools/assistant/assistantHelpers.ts

@@ -22,7 +22,6 @@ export function describeWithAssistant(name: string, fn: MockIntegrationTestFunct
         });
     };
 
-    // eslint-disable-next-line vitest/valid-describe-callback
     return describe("assistant (mocked)", () => testDefinition());
 }
 

packages/tools-atlas/src/tools/read/listProjects.ts

@@ -25,8 +25,8 @@ export class ListProjectsTool extends AtlasToolBase {
         }
 
         const orgs: Record<string, string> = orgData.results
-            .filter((org) => org.id)
-            .reduce((acc, org) => ({ ...acc, [org.id!]: org.name }), {});
+            .filter((org): org is typeof org & { id: string } => org.id !== undefined)
+            .reduce((acc, org) => ({ ...acc, [org.id]: org.name }), {});
 
         const data = orgId
             ? await this.apiClient.getOrgGroups({