changesets · bluwy · May 4, 2026 · Oct 16, 2025 · Mar 6, 2026 · Mar 6, 2026
diff --git a/.eslintignore b/.eslintignore
diff --git a/.eslintrc b/.eslintrc
diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# prettier v3 migration
+303cacdde85c94f2ef4d1408b401165ff25d263d
diff --git a/.gitignore b/.gitignore
@@ -1,6 +1,7 @@
+.idea/
+coverage/
+dist/
 node_modules/
+.env
 *error.log
 scratchings.js
-dist/
-.env
-coverage/
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -0,0 +1,90 @@
+import { defineConfig } from "eslint/config";
+import js from "@eslint/js";
+import node from "eslint-plugin-n";
+import tseslint from "typescript-eslint";
+import vitest from "@vitest/eslint-plugin";
+import eslintConfigPrettier from "eslint-config-prettier/flat";
+import importLite from "eslint-plugin-import-lite";
+
+export default defineConfig(
+  {
+    ignores: [
+      "**/node_modules/**",
+      "**/dist/**",
+      "**/__fixtures__/**",
+      "**/scratchings.js",
+      "packages/cli/bin.js",
+      "**/*.snap",
+    ],
+  },
+  {
+    plugins: {
+      js,
+      node,
+      tseslint,
+      vitest,
+    },
+    extends: [
+      "js/recommended",
+      "node/flat/recommended",
+      "tseslint/recommended",
+      "tseslint/recommendedTypeChecked",
+      importLite.configs.recommended,
+      "vitest/recommended",
+    ],
+    linterOptions: {
+      reportUnusedDisableDirectives: "error",
+      reportUnusedInlineConfigs: "error",
+    },
+    languageOptions: {
+      parserOptions: { projectService: true },
+    },
+    rules: {
+      eqeqeq: ["off", "always", { null: "never", undefined: "never" }], // TODO enable and fix errors
+      "prefer-const": "off", // TODO enable and fix errors
+
+      "@typescript-eslint/consistent-type-exports": [
+        "error",
+        { fixMixedExportsWithInlineTypeSpecifier: true },
+      ],
+      "@typescript-eslint/consistent-type-imports": [
+        "error",
+        { fixStyle: "inline-type-imports", disallowTypeAnnotations: false },
+      ],
+      "import-lite/consistent-type-specifier-style": [
+        "error",
+        "prefer-top-level",
+      ],
+
+      "@typescript-eslint/no-explicit-any": "off",
+      "@typescript-eslint/no-floating-promises": "off", // TODO enable and fix errors
+      "@typescript-eslint/no-unnecessary-type-assertion": "off", // TODO enable and fix errors
+      "@typescript-eslint/no-unsafe-argument": "off",
+      "@typescript-eslint/no-unsafe-assignment": "off",
+      "@typescript-eslint/no-unsafe-call": "off",
+      "@typescript-eslint/no-unsafe-member-access": "off",
+      "@typescript-eslint/no-unsafe-return": "off",
+      "@typescript-eslint/require-await": "off", // TODO enable and fix errors
+      "@typescript-eslint/unbound-method": "off",
+
+      // these rules are slow, require extensive config, and/or don't provide much
+      "n/no-extraneous-import": "off",
+      "n/no-missing-import": "off",
+      "n/no-process-exit": "off",
+      "n/no-unpublished-import": "off",
+
+      "n/prefer-node-protocol": "off", // TODO enable and fix errors
+      "n/no-unsupported-features/node-builtins": [
+        "error",
+        { ignores: ["fs/promises.cp", "import.meta.dirname"] },
+      ],
+
+      "import-lite/no-mutable-exports": "off", // TODO enable and fix errors
+    },
+  },
+  {
+    files: ["**/*.{js,mjs}"],
+    ...tseslint.configs.disableTypeChecked,
+  },
+  eslintConfigPrettier,
+);
diff --git a/package.json b/package.json
@@ -9,7 +9,7 @@
     "watch": "preconstruct watch",
     "format": "prettier --experimental-cli --list-different \"**/*.{js,ts,tsx,md}\"",
     "format:fix": "prettier --experimental-cli --write \"**/*.{js,ts,tsx,md}\"",
-    "lint": "eslint . --ext .ts,.tsx,.js",
+    "lint": "eslint",
     "test": "vitest",
     "types:check": "tsc",
     "check-all": "node --run build && node --run test -- run && node --run types:check && node --run lint && node --run format",
@@ -37,22 +37,20 @@
     "@babel/core": "^7.28.5",
     "@babel/preset-env": "^7.28.5",
     "@babel/preset-typescript": "^7.27.0",
+    "@eslint/js": "10.0.1",
     "@manypkg/cli": "^0.25.1",
     "@preconstruct/cli": "^2.8.12",
-    "@types/node": "^24.10.1",
+    "@types/node": "^24.12.2",
     "@types/semver": "^7.7.1",
-    "@typescript-eslint/eslint-plugin": "^5.43.0",
-    "@typescript-eslint/parser": "^5.62.0",
     "@vitest/coverage-v8": "^4.1.5",
-    "eslint": "^8.28.0",
-    "eslint-config-prettier": "^8.5.0",
-    "eslint-config-standard": "^17.1.0",
-    "eslint-plugin-import": "^2.31.0",
-    "eslint-plugin-n": "^15.5.1",
-    "eslint-plugin-promise": "^6.1.1",
-    "eslint-plugin-standard": "^5.0.0",
+    "@vitest/eslint-plugin": "^1.6.16",
+    "eslint": "^10.3.0",
+    "eslint-config-prettier": "^10.1.8",
+    "eslint-plugin-import-lite": "~0.6.0",
+    "eslint-plugin-n": "^17.24.0",
     "prettier": "^3.7.4",
-    "typescript": "^5.8.3",
+    "typescript": "^6.0.3",
+    "typescript-eslint": "^8.59.1",
     "vitest": "^4.1.5"
   },
   "preconstruct": {

diff --git a/packages/apply-release-plan/src/index.test.ts b/packages/apply-release-plan/src/index.test.ts
@@ -1,6 +1,5 @@
-// eslint-disable-next-line import/no-extraneous-dependencies
 import { describe, expect, it, test } from "vitest";
-import {
+import type {
   ComprehensiveRelease,
   Config,
   NewChangeset,
@@ -18,7 +17,7 @@
 import applyReleasePlan from "./index.ts";
 import { getPackages } from "@manypkg/get-packages";
 import {
-  Fixture,
+  type Fixture,
   outputFile,
   temporarilySilenceLogs,
   testdir,
@@ -86,7 +85,7 @@
   fixture: Fixture,
   releasePlan: ReleasePlan,
   config?: Config,
-  snapshot?: string | undefined,
+  snapshot?: string,
   setupFunc?: (tempDir: string) => Promise<unknown>,
 ) {
   if (!config) {
@@ -2889,7 +2888,7 @@
  describe("should error and not write if", () => {
    // This is skipped as *for now* we are assuming we have been passed
    // valid releasePlans - this may get work done on it in the future
    it.skip("a package appears twice", async () => {
      let changedFiles;
      try {
        let testResults = await testSetup(
@@ -2933,6 +2932,7 @@
         );
         changedFiles = testResults.changedFiles;
       } catch (e) {
+        // eslint-disable-next-line vitest/no-conditional-expect
         expect((e as Error).message).toEqual("some string probably");
 
         return;
@@ -2991,6 +2991,7 @@
           releasePlan.config,
         );
       } catch (e) {
+        // eslint-disable-next-line vitest/no-conditional-expect
         expect((e as Error).message).toEqual(
           "Could not find matching package for release of: impossible-package",
         );
@@ -2999,6 +3000,7 @@
           nodeOptions: { cwd: tempDir },
         });
 
+        // eslint-disable-next-line vitest/no-conditional-expect
         expect(gitCmd.stdout.toString().includes("nothing to commit")).toEqual(
           true,
         );
@@ -3051,15 +3053,18 @@
             ],
           });
         } catch (e) {
+          // eslint-disable-next-line vitest/no-conditional-expect
           expect((e as Error).message).toEqual("no chance");
 
           let gitCmd = await exec("git", ["status"], {
             nodeOptions: { cwd: tempDir },
           });
 
+          // eslint-disable-next-line vitest/no-conditional-expect
           expect(
             gitCmd.stdout.toString().includes("nothing to commit"),
           ).toEqual(true);
+          // eslint-disable-next-line vitest/no-conditional-expect
           expect((console.error as any).mock.calls).toMatchInlineSnapshot(`
             [
               [

diff --git a/packages/apply-release-plan/src/test-utils/simple-get-changelog-entry.ts b/packages/apply-release-plan/src/test-utils/simple-get-changelog-entry.ts
@@ -1,4 +1,3 @@
 // We are doing it here to avoide adding a circular dependency and as this is only used in testing.
 // This is wicked, and please don't copy us.
-// eslint-disable-next-line import/no-extraneous-dependencies
 export { default } from "@changesets/cli/changelog";
diff --git a/packages/apply-release-plan/src/test-utils/simple-get-commit-entry.ts b/packages/apply-release-plan/src/test-utils/simple-get-commit-entry.ts
@@ -1,4 +1,3 @@
 // We are doing it here to avoide adding a circular dependency and as this is only used in testing.
 // This is wicked, and please don't copy us.
-// eslint-disable-next-line import/no-extraneous-dependencies
 export { default } from "@changesets/cli/commit";
diff --git a/packages/assemble-release-plan/src/increment.test.ts b/packages/assemble-release-plan/src/increment.test.ts
@@ -1,4 +1,3 @@
-// eslint-disable-next-line import/no-extraneous-dependencies
 import { describe, expect, it } from "vitest";
 import { incrementVersion } from "./increment.ts";
 import type { InternalRelease, PreInfo } from "./types.ts";

diff --git a/packages/assemble-release-plan/src/index.test.ts b/packages/assemble-release-plan/src/index.test.ts
@@ -1,4 +1,3 @@
-// eslint-disable-next-line import/no-extraneous-dependencies
 import { beforeEach, describe, expect, it } from "vitest";
 import { defaultConfig } from "@changesets/config";
 import assembleReleasePlan from "./index.ts";

diff --git a/packages/assemble-release-plan/src/utils.ts b/packages/assemble-release-plan/src/utils.ts
@@ -56,7 +56,7 @@ export function getCurrentHighestVersion(
   return highestVersion!;
 }
 
-export function mapGetOrThrow<V extends {}>(
+export function mapGetOrThrow<V>(
   map: Map<string, V>,
   key: string,
   errorMessage: string,
@@ -68,7 +68,7 @@ export function mapGetOrThrow<V extends {}>(
   return value;
 }
 
-export function mapGetOrThrowInternal<V extends {}>(
+export function mapGetOrThrowInternal<V>(
   map: Map<string, V>,
   key: string,
   errorMessage: string,

diff --git a/packages/changelog-git/src/index.ts b/packages/changelog-git/src/index.ts
@@ -7,6 +7,7 @@ import type {
 
 const getReleaseLine = async (
   changeset: NewChangesetWithCommit,
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
   _type: VersionType,
 ) => {
   const [firstLine, ...futureLines] = changeset.summary

diff --git a/packages/changelog-github/src/index.test.ts b/packages/changelog-github/src/index.test.ts
@@ -19,6 +19,7 @@ vi.mock(
       commit: `[\`${data.commit}\`](https://github.com/${data.repo}/commit/${data.commit})`,
     };
     return {
+      /* eslint-disable vitest/no-standalone-expect */
       async getInfo({ commit, repo }) {
         expect(commit).toBe(data.commit);
         expect(repo).toBe(data.repo);
@@ -37,6 +38,7 @@ vi.mock(
           links,
         };
       },
+      /* eslint-enable vitest/no-standalone-expect */
     };
   },
 );

diff --git a/packages/cli/src/commands/add/createChangeset.ts b/packages/cli/src/commands/add/createChangeset.ts
@@ -264,7 +264,7 @@ export default async function createChangeset(
           releases,
         };
       }
-    } catch (err) {
+    } catch {
       log(
         "An error happened using external editor. Please type your summary here:",
       );

diff --git a/packages/cli/src/commands/add/index.ts b/packages/cli/src/commands/add/index.ts
@@ -30,7 +30,7 @@ export default async function add(
   const packages = await getPackages(cwd);
   if (packages.packages.length === 0) {
     error(
-      `No packages found. You might have ${packages.tool} workspaces configured but no packages yet?`,
+      `No packages found. You might have ${packages.tool.type} workspaces configured but no packages yet?`,
     );
     throw new ExitError(1);
   }

diff --git a/packages/cli/src/commands/publish/npm-utils.ts b/packages/cli/src/commands/publish/npm-utils.ts
@@ -95,7 +95,7 @@ async function getPublishTool(
       shouldAddNoGitChecks:
         parsed?.major === undefined ? false : parsed.major >= 5,
     };
-  } catch (e) {
+  } catch {
     return {
       name: "pnpm",
       shouldAddNoGitChecks: false,

diff --git a/packages/cli/src/commands/publish/publishPackages.ts b/packages/cli/src/commands/publish/publishPackages.ts
@@ -1,6 +1,5 @@
 import { info, warn } from "@changesets/logger";
-import type { AccessType, PreState } from "@changesets/types";
-import type { Package } from "@changesets/types";
+import type { AccessType, PreState, Package } from "@changesets/types";
 import { resolve } from "path";
 import pc from "picocolors";
 import semverParse from "semver/functions/parse.js";

diff --git a/packages/cli/src/commands/version/version.test.ts b/packages/cli/src/commands/version/version.test.ts
@@ -164,7 +164,7 @@ describe("running version in a simple project", () => {
     });
   });
 
-  it("should not touch package.json of an ignored package when it is not a dependent of any releasedPackages ", async () => {
+  it("should not touch package.json of an ignored package when it is not a dependent of any releasedPackages", async () => {
     const cwd = await testdir({
       "package.json": JSON.stringify({
         private: true,
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		# prettier v3 migration
		303cacdde85c94f2ef4d1408b401165ff25d263d