hashintel · hash-worker · Dec 18, 2025 · Dec 20, 2025 · Dec 20, 2025 · Dec 20, 2025
diff --git a/.claude/hooks/package.json b/.claude/hooks/package.json
@@ -21,7 +21,7 @@
     "@local/tsconfig": "0.0.0-private",
     "@types/node": "22.18.13",
     "@vitest/coverage-istanbul": "3.2.4",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "tsx": "4.20.6",
     "typescript": "5.9.3",
     "vitest": "3.2.4"

diff --git a/apps/hash-ai-agent/package.json b/apps/hash-ai-agent/package.json
@@ -61,7 +61,7 @@
     "@types/papaparse": "5.3.16",
     "@types/sanitize-html": "2.16.0",
     "@vitest/coverage-istanbul": "3.2.4",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "jsdom": "24.1.3",
     "mastra": "1.0.0-beta.5",
     "npm-run-all2": "8.0.4",

diff --git a/apps/hash-ai-worker-ts/package.json b/apps/hash-ai-worker-ts/package.json
@@ -103,7 +103,7 @@
     "@types/papaparse": "5.3.16",
     "@types/sanitize-html": "2.16.0",
     "@vitest/coverage-istanbul": "3.2.4",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "rimraf": "6.1.2",
     "typescript": "5.9.3",
     "vitest": "3.2.4",

diff --git a/apps/hash-api/package.json b/apps/hash-api/package.json
@@ -127,7 +127,7 @@
     "@types/mime-types": "2.1.4",
     "@types/nodemailer": "6.4.17",
     "@vitest/coverage-istanbul": "3.2.4",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "rimraf": "6.1.2",
     "typescript": "5.9.3",
     "vitest": "3.2.4",

diff --git a/apps/hash-frontend/package.json b/apps/hash-frontend/package.json
@@ -148,7 +148,7 @@
     "@types/react-window": "1.8.8",
     "@types/url-regex-safe": "1.0.2",
     "@welldone-software/why-did-you-render": "10.0.1",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "graphology-types": "0.24.8",
     "rimraf": "6.1.2",
     "sass": "1.93.2",

diff --git a/apps/hash-integration-worker/package.json b/apps/hash-integration-worker/package.json
@@ -42,7 +42,7 @@
     "@local/eslint": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
     "@types/dotenv-flow": "3.3.3",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "rimraf": "6.1.2",
     "typescript": "5.9.3",
     "wait-on": "9.0.1"

diff --git a/apps/mcp/linear/package.json b/apps/mcp/linear/package.json
@@ -30,7 +30,7 @@
     "@types/dotenv-flow": "3.3.3",
     "@types/node": "22.18.13",
     "chokidar-cli": "3.0.0",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "rimraf": "6.1.2",
     "shx": "0.4.0",
     "tsx": "4.20.6",

diff --git a/apps/mcp/notion/package.json b/apps/mcp/notion/package.json
@@ -30,7 +30,7 @@
     "@types/dotenv-flow": "3.3.3",
     "@types/node": "22.18.13",
     "chokidar-cli": "3.0.0",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "rimraf": "6.1.2",
     "shx": "0.4.0",
     "tsx": "4.20.6",

diff --git a/apps/plugin-browser/package.json b/apps/plugin-browser/package.json
@@ -71,7 +71,7 @@
     "copy-webpack-plugin": "11.0.0",
     "css-loader": "6.11.0",
     "dotenv-flow": "3.3.0",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "file-loader": "6.2.0",
     "fs-extra": "11.3.2",
     "html-loader": "4.2.0",
@@ -87,7 +87,7 @@
     "terser-webpack-plugin": "5.3.14",
     "ts-loader": "9.5.4",
     "tsconfig-paths-webpack-plugin": "4.2.0",
-    "type-fest": "5.1.0",
+    "type-fest": "5.3.1",
     "typescript": "5.9.3",
     "webpack": "5.102.1",
     "webpack-cli": "6.0.1",

diff --git a/libs/@blockprotocol/graph/package.json b/libs/@blockprotocol/graph/package.json
@@ -82,7 +82,7 @@
     "@types/lodash.isequal": "4.5.8",
     "@types/node": "22.18.13",
     "@types/react": "19.2.7",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "rimraf": "6.1.2",
     "tsx": "4.20.6",
     "typescript": "5.9.3"

diff --git a/libs/@blockprotocol/type-system/typescript/package.json b/libs/@blockprotocol/type-system/typescript/package.json
@@ -65,7 +65,7 @@
     "@types/react": "19.2.7",
     "@types/semver": "7.7.1",
     "@vitest/coverage-istanbul": "3.2.4",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "react": "19.2.3",
     "rimraf": "6.1.2",
     "rollup": "4.53.3",

diff --git a/libs/@hashintel/block-design-system/package.json b/libs/@hashintel/block-design-system/package.json
@@ -43,7 +43,7 @@
     "@types/react": "19.2.7",
     "@types/react-dom": "19.2.3",
     "@types/react-syntax-highlighter": "15.5.13",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "react": "19.2.3",
     "react-dom": "19.2.3",
     "typescript": "5.9.3"

diff --git a/libs/@hashintel/design-system/package.json b/libs/@hashintel/design-system/package.json
@@ -72,7 +72,7 @@
     "@mui/system": "5.18.0",
     "@types/react": "19.2.7",
     "@types/react-dom": "19.2.3",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "react": "19.2.3",
     "react-dom": "19.2.3",
     "typescript": "5.9.3"

diff --git a/libs/@hashintel/ds-components/package.json b/libs/@hashintel/ds-components/package.json
@@ -53,8 +53,8 @@
     "@types/react": "19.2.7",
     "@types/react-dom": "19.2.3",
     "@vitejs/plugin-react": "5.0.4",
-    "eslint": "9.38.0",
-    "eslint-plugin-storybook": "9.1.13",
+    "eslint": "9.39.2",
+    "eslint-plugin-storybook": "10.1.10",
     "lucide-react": "0.544.0",
     "storybook": "9.1.17",
     "typescript": "5.9.3",

diff --git a/libs/@hashintel/petrinaut-old/eslint.config.js b/libs/@hashintel/petrinaut-old/eslint.config.js
@@ -20,7 +20,9 @@ export default [
     files: ["dev/**/*"],
     languageOptions: {
       parserOptions: {
-        project: "./dev/tsconfig.json",
+        projectService: {
+          defaultProject: "./dev/tsconfig.json",
+        },
         tsconfigRootDir: import.meta.dirname,
       },
     },

diff --git a/libs/@hashintel/petrinaut-old/package.json b/libs/@hashintel/petrinaut-old/package.json
@@ -43,7 +43,7 @@
     "@types/react": "19.2.7",
     "@types/react-dom": "19.2.3",
     "@vitejs/plugin-react": "5.0.4",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "immer": "10.1.3",
     "react": "19.2.3",
     "react-dom": "19.2.3",

diff --git a/libs/@hashintel/petrinaut/eslint.config.js b/libs/@hashintel/petrinaut/eslint.config.js
@@ -21,7 +21,9 @@ export default [
     files: ["demo-site/**/*"],
     languageOptions: {
       parserOptions: {
-        project: "./demo-site/tsconfig.json",
+        projectService: {
+          defaultProject: "./demo-site/tsconfig.json",
+        },
         tsconfigRootDir: import.meta.dirname,
       },
     },

diff --git a/libs/@hashintel/petrinaut/package.json b/libs/@hashintel/petrinaut/package.json
@@ -53,7 +53,7 @@
     "@types/react-dom": "19.2.3",
     "@vitejs/plugin-react": "5.0.4",
     "babel-plugin-react-compiler": "1.0.0",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "immer": "10.1.3",
     "react": "19.2.3",
     "react-dom": "19.2.3",

diff --git a/libs/@hashintel/query-editor/package.json b/libs/@hashintel/query-editor/package.json
@@ -31,8 +31,8 @@
     "@local/eslint": "0.0.0-private",
     "@mui/material": "5.18.0",
     "@mui/system": "5.18.0",
-    "eslint": "9.38.0",
-    "eslint-plugin-storybook": "9.1.13",
+    "eslint": "9.39.2",
+    "eslint-plugin-storybook": "10.1.10",
     "react": "19.2.3",
     "react-dom": "19.2.3",
     "react-hook-form": "7.65.0",

diff --git a/libs/@hashintel/refractive/package.json b/libs/@hashintel/refractive/package.json
@@ -39,7 +39,7 @@
     "@types/react-dom": "19.2.3",
     "@vitejs/plugin-react": "5.0.4",
     "babel-plugin-react-compiler": "1.0.0",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "typescript": "5.9.3",
     "vite": "7.1.11",
     "vite-plugin-dts": "4.5.4"

diff --git a/libs/@hashintel/type-editor/package.json b/libs/@hashintel/type-editor/package.json
@@ -39,8 +39,8 @@
     "@mui/system": "5.18.0",
     "@types/lodash.memoize": "4.1.9",
     "@types/lodash.uniqueid": "4.0.9",
-    "eslint": "9.38.0",
-    "eslint-plugin-storybook": "9.1.13",
+    "eslint": "9.39.2",
+    "eslint-plugin-storybook": "10.1.10",
     "react": "19.2.3",
     "react-dom": "19.2.3",
     "react-hook-form": "7.65.0",

diff --git a/libs/@local/advanced-types/package.json b/libs/@local/advanced-types/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "@local/eslint": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "react": "19.2.3",
     "rimraf": "6.1.2",
     "typescript": "5.9.3"

diff --git a/libs/@local/effect-dns/core/package.json b/libs/@local/effect-dns/core/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "@local/eslint": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "rimraf": "6.1.2",
     "typescript": "5.9.3"
   }

diff --git a/libs/@local/effect-dns/hickory/package.json b/libs/@local/effect-dns/hickory/package.json
@@ -22,7 +22,7 @@
     "@local/eslint": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
     "@vitest/coverage-istanbul": "3.2.4",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "rimraf": "6.1.2",
     "typescript": "5.9.3",
     "vitest": "3.2.4"

diff --git a/libs/@local/eslint/package.json b/libs/@local/eslint/package.json
@@ -22,21 +22,22 @@
   "dependencies": {
     "@babel/core": "7.28.4",
     "@babel/eslint-parser": "7.28.4",
-    "@eslint/eslintrc": "3.3.1",
+    "@eslint/eslintrc": "3.3.3",
     "effect": "3.18.4",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "eslint-config-airbnb": "19.0.4",
     "eslint-config-flat-gitignore": "2.1.0",
     "eslint-config-prettier": "10.1.8",
-    "eslint-config-sheriff": "29.0.0",
+    "eslint-config-sheriff": "31.1.0",
     "eslint-import-resolver-node": "0.3.9",
     "eslint-import-resolver-typescript": "4.4.4",
     "eslint-plugin-canonical": "5.1.3",
     "eslint-plugin-import": "2.32.0",
-    "eslint-plugin-react-hooks": "7.0.0",
-    "eslint-plugin-storybook": "9.1.13",
+    "eslint-plugin-react-hooks": "7.0.1",
+    "eslint-plugin-storybook": "10.1.10",
     "eslint-unicorn": "55.0.0",
-    "globals": "16.4.0"
+    "globals": "16.4.0",
+    "type-fest": "5.3.1"
   },
   "devDependencies": {
     "@local/tsconfig": "0.0.0-private",

diff --git a/libs/@local/eslint/src/typescript.ts b/libs/@local/eslint/src/typescript.ts
@@ -4,7 +4,13 @@ import type { Linter } from "eslint";
 import { JS_EXTENSIONS, JSX_EXTENSIONS } from "./constants.js";
 import { defineConfig, type ESConfig } from "./utils.js";
 
-const namingConvention = ({ tsx }: { tsx: boolean }): Linter.RuleEntry => [
+interface NamingConventionOptions {
+  readonly tsx: boolean;
+}
+
+const namingConvention = ({
+  tsx,
+}: NamingConventionOptions): Linter.RuleEntry => [
   "error",
   // adapted from https://github.com/AndreaPontrandolfo/sheriff/blob/3a6e3c9873c4b8fbbfbd01b6051c55fd1e57609a/packages/eslint-config-sheriff/src/getTsNamingConventionRule.ts#L9
   {

diff --git a/libs/@local/graph/sdk/typescript/package.json b/libs/@local/graph/sdk/typescript/package.json
@@ -38,7 +38,7 @@
     "@local/eslint": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
     "@vitest/coverage-istanbul": "3.2.4",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "rimraf": "6.1.2",
     "typescript": "5.9.3",
     "vitest": "3.2.4"

diff --git a/libs/@local/graph/type-defs/package.json b/libs/@local/graph/type-defs/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "@local/eslint": "0.0.0-private",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "quicktype": "16.0.43",
     "tsx": "4.20.6",
     "typescript": "5.9.3"

diff --git a/libs/@local/harpc/client/typescript/package.json b/libs/@local/harpc/client/typescript/package.json
@@ -51,7 +51,7 @@
     "@rust/harpc-wire-protocol": "0.0.0-private",
     "@types/node": "22.18.13",
     "@vitest/coverage-istanbul": "3.2.4",
-    "eslint": "9.38.0",
+    "eslint": "9.39.2",
     "rimraf": "6.1.2",
     "typescript": "5.9.3",
     "vitest": "3.2.4"

diff --git a/libs/@local/harpc/client/typescript/src/binary/MutableBytes.ts b/libs/@local/harpc/client/typescript/src/binary/MutableBytes.ts
@@ -35,7 +35,7 @@ const MutableBytesProto: Omit<
   },
 };
 
-export const make = (options?: {
+interface MakeOptions {
   /**
    * The initial capacity of the buffer.
    *
@@ -48,7 +48,9 @@ export const make = (options?: {
    * @defaultValue "doubling"
    */
   readonly growthStrategy?: GrowthStrategy;
-}): MutableBytes =>
+}
+
+export const make = (options?: MakeOptions): MutableBytes =>
   createProto(
     MutableBytesProto,
     {
@@ -62,16 +64,18 @@ export const make = (options?: {
     },
   ) satisfies MutableBytesImpl as MutableBytes;
 
+interface FromOptions {
+  /**
+   * The strategy for growing the buffer when more space is needed.
+   *
+   * @defaultValue "doubling"
+   */
+  readonly growthStrategy?: GrowthStrategy;
+}
+
 export const from = (
   buffer: ArrayBuffer,
-  options?: {
-    /**
-     * The strategy for growing the buffer when more space is needed.
-     *
-     * @defaultValue "doubling"
-     */
-    readonly growthStrategy?: GrowthStrategy;
-  },
+  options?: FromOptions,
 ): MutableBytes =>
   createProto(
     MutableBytesProto,

diff --git a/libs/@local/harpc/client/typescript/src/codec/JsonDecoder.ts b/libs/@local/harpc/client/typescript/src/codec/JsonDecoder.ts
@@ -17,10 +17,14 @@ export class InvalidJsonError extends Data.TaggedError("InvalidJsonError")<{
   }
 }
 
+interface TextDecodeOptions {
+  readonly stream: boolean;
+}
+
 const textDecode = (
   decoder: TextDecoder,
   buffer: ArrayBuffer,
-  options: { readonly stream: boolean },
+  options: TextDecodeOptions,
 ) =>
   Effect.try({
     try: () => {