From d3fd40c5f2d99a93706cf5e98f406c1a890f02cf Mon Sep 17 00:00:00 2001
From: Eli <88557639+lishaduck@users.noreply.github.com>
Date: Mon, 28 Apr 2025 12:28:46 -0500
Subject: [PATCH 1/7] fix!: dts output

---
 package.json      | 30 +++++++++++++++++++++---------
 tsconfig.json     |  6 ++++--
 tsdown.config.mts | 12 ++++++++++++
 tsup.config.ts    |  9 ---------
 4 files changed, 37 insertions(+), 20 deletions(-)
 create mode 100644 tsdown.config.mts
 delete mode 100644 tsup.config.ts

diff --git a/package.json b/package.json
index a1eef31..ee4c81b 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,12 @@
 {
   "name": "typescript-eslint-parser-for-extra-files",
   "version": "0.8.0",
+  "type": "module",
   "description": "An experimental ESLint custom parser for Vue, Svelte, and Astro for use with TypeScript. It provides type information in combination with each framework's ESLint custom parser.",
-  "repository": "git+https://github.com/ota-meshi/typescript-eslint-parser-for-extra-files.git",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ota-meshi/typescript-eslint-parser-for-extra-files.git"
+  },
   "homepage": "https://github.com/ota-meshi/typescript-eslint-parser-for-extra-files#readme",
   "author": "Yosuke Ota (https://github.com/ota-meshi)",
   "funding": "https://github.com/sponsors/ota-meshi",
@@ -11,17 +15,23 @@
   "engines": {
     "node": ">=16.0.0"
   },
-  "main": "lib/index.js",
-  "module": "./lib/index.mjs",
+  "main": "./lib/index.cjs",
+  "module": "./lib/index.js",
+  "types": "./lib/index.d.ts",
   "exports": {
     ".": {
-      "import": "./lib/index.mjs",
-      "require": "./lib/index.js"
+      "module-sync": {
+        "types": "./lib/index.d.ts",
+        "default": "./lib/index.js"
+      },
+      "default": {
+        "types": "./lib/index.d.cts",
+        "default": "./lib/index.cjs"
+      }
     }
   },
-  "types": "./lib/index.d.ts",
   "files": [
-    "lib"
+    "lib/"
   ],
   "keywords": [
     "eslint",
@@ -32,7 +42,7 @@
     "typescript"
   ],
   "scripts": {
-    "build": "tsup",
+    "build": "tsdown",
     "clean": "rimraf .nyc_output lib coverage",
     "cover": "nyc --reporter=lcov yarn test",
     "debug": "yarn mocha \"tests/src/**/*.ts\" --reporter dot --timeout 60000",
@@ -107,12 +117,14 @@
     "prettier-plugin-astro": "^0.14.0",
     "prettier-plugin-pkg": "^0.19.0",
     "prettier-plugin-svelte": "^3.0",
+    "publint": "^0.3.12",
     "semver": "^7.3.5",
     "svelte": "^4.0.0",
     "svelte-eslint-parser": "^1.0.0",
     "svelte2tsx": "^0.7.0",
-    "tsup": "^8.0.0",
+    "tsdown": "https://pkg.pr.new/tsdown@03230c4",
     "typescript": "~5.8.0",
+    "unplugin-unused": "^0.4.4",
     "vue": "^3.2.41",
     "vue-eslint-parser": "^10.0.0"
   },
diff --git a/tsconfig.json b/tsconfig.json
index 5add73d..8f46683 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,9 +3,11 @@
     "target": "es2015",
     "strict": true,
     "lib": ["es2020", "DOM"],
-    "module": "Node16",
-    "moduleResolution": "Node16",
+    "module": "Preserve",
+    "moduleResolution": "Bundler",
     "declaration": true,
+    "isolatedModules": true,
+    "isolatedDeclarations": true,
     "noImplicitAny": true,
     "noImplicitReturns": true,
     "noFallthroughCasesInSwitch": true,
diff --git a/tsdown.config.mts b/tsdown.config.mts
new file mode 100644
index 0000000..271b876
--- /dev/null
+++ b/tsdown.config.mts
@@ -0,0 +1,12 @@
+import { defineConfig } from "tsdown";
+
+export default defineConfig({
+  entry: ["src/index.ts"],
+  format: ["cjs", "esm"],
+  target: ["node16"],
+  external: [/package.json/],
+  outDir: "lib",
+  skipNodeModulesBundle: true,
+  publint: { strict: true, pack: "npm" },
+  unused: true,
+});
diff --git a/tsup.config.ts b/tsup.config.ts
deleted file mode 100644
index 0bd8a93..0000000
--- a/tsup.config.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-import { defineConfig } from "tsup";
-
-export default defineConfig({
-  clean: true,
-  dts: true,
-  entryPoints: ["src/index.ts"],
-  format: ["cjs", "esm"],
-  outDir: "lib",
-});

From bfe1c4edc70b22b1711f7c95e72565baa675add4 Mon Sep 17 00:00:00 2001
From: Eli <88557639+lishaduck@users.noreply.github.com>
Date: Mon, 28 Apr 2025 12:45:56 -0500
Subject: [PATCH 2/7] fix: don't drop node 16

Don't mark `package.json` as external.
---
 .prettierrc.js    | 2 +-
 src/index.ts      | 3 +--
 src/meta.ts       | 9 ++++++++-
 tsdown.config.mts | 1 -
 4 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/.prettierrc.js b/.prettierrc.js
index d740f9c..bbc920f 100644
--- a/.prettierrc.js
+++ b/.prettierrc.js
@@ -1,3 +1,3 @@
-module.exports = {
+export default {
   plugins: ['prettier-plugin-svelte', 'prettier-plugin-astro']
 }
diff --git a/src/index.ts b/src/index.ts
index bdcb6e4..217ff25 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -4,8 +4,7 @@ import { TSServiceManager } from "./ts";
 import * as tsEslintParser from "@typescript-eslint/parser";
 import { getProjectConfigFiles } from "./utils/get-project-config-files";
 import { resolveProjectList } from "./utils/resolve-project-list";
-export * as meta from "./meta";
-export { name } from "./meta";
+export { default as meta, name } from "./meta";
 
 const DEFAULT_EXTRA_FILE_EXTENSIONS = [".vue", ".svelte", ".astro"];
 const tsServiceManager = new TSServiceManager();
diff --git a/src/meta.ts b/src/meta.ts
index 96a0703..7f39fdb 100644
--- a/src/meta.ts
+++ b/src/meta.ts
@@ -1 +1,8 @@
-export { name, version } from "../package.json";
+import { name as pkgName, version } from "../package.json";
+import { TSESLint } from "@typescript-eslint/utils";
+
+const meta: TSESLint.FlatConfig.PluginMeta = { name: pkgName, version };
+
+export default meta;
+
+export const name: string = pkgName;
diff --git a/tsdown.config.mts b/tsdown.config.mts
index 271b876..c18535d 100644
--- a/tsdown.config.mts
+++ b/tsdown.config.mts
@@ -4,7 +4,6 @@ export default defineConfig({
   entry: ["src/index.ts"],
   format: ["cjs", "esm"],
   target: ["node16"],
-  external: [/package.json/],
   outDir: "lib",
   skipNodeModulesBundle: true,
   publint: { strict: true, pack: "npm" },

From 5379f7e793c41f5d2fb9f3faef9a0c154206f17f Mon Sep 17 00:00:00 2001
From: Eli <88557639+lishaduck@users.noreply.github.com>
Date: Mon, 28 Apr 2025 12:47:17 -0500
Subject: [PATCH 3/7] fix: mark @typescript-eslint/utils as direct dependency

For us `hoist: false`ers.
---
 package.json | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package.json b/package.json
index ee4c81b..0bc192f 100644
--- a/package.json
+++ b/package.json
@@ -79,6 +79,7 @@
     }
   },
   "dependencies": {
+    "@typescript-eslint/utils": "^8.31.1",
     "tinyglobby": "^0.2.12"
   },
   "devDependencies": {

From 1cceb441a60856d3b62190c9c4e8ea0f64eebf5c Mon Sep 17 00:00:00 2001
From: Eli <88557639+lishaduck@users.noreply.github.com>
Date: Mon, 28 Apr 2025 20:49:09 -0500
Subject: [PATCH 4/7] fix: stuff

---
 .eslintrc.js => .eslintrc.cjs | 0
 src/meta.ts                   | 2 +-
 tsconfig.json                 | 3 ++-
 3 files changed, 3 insertions(+), 2 deletions(-)
 rename .eslintrc.js => .eslintrc.cjs (100%)

diff --git a/.eslintrc.js b/.eslintrc.cjs
similarity index 100%
rename from .eslintrc.js
rename to .eslintrc.cjs
diff --git a/src/meta.ts b/src/meta.ts
index 7f39fdb..ce21c1f 100644
--- a/src/meta.ts
+++ b/src/meta.ts
@@ -1,5 +1,5 @@
 import { name as pkgName, version } from "../package.json";
-import { TSESLint } from "@typescript-eslint/utils";
+import type { TSESLint } from "@typescript-eslint/utils";
 
 const meta: TSESLint.FlatConfig.PluginMeta = { name: pkgName, version };
 
diff --git a/tsconfig.json b/tsconfig.json
index 8f46683..c60e7b9 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,8 +6,9 @@
     "module": "Preserve",
     "moduleResolution": "Bundler",
     "declaration": true,
-    "isolatedModules": true,
     "isolatedDeclarations": true,
+    "isolatedModules": true,
+    "verbatimModuleSyntax": true,
     "noImplicitAny": true,
     "noImplicitReturns": true,
     "noFallthroughCasesInSwitch": true,

From 0b55a3bbcc11a2d2106ddd7d35c0f850a01586b8 Mon Sep 17 00:00:00 2001
From: Eli <88557639+lishaduck@users.noreply.github.com>
Date: Mon, 28 Apr 2025 21:15:29 -0500
Subject: [PATCH 5/7] refactor: drop tseslint/utils dep

Co-authored-by: Yosuke Ota <otameshiyo23@gmail.com>
---
 package.json | 1 -
 src/meta.ts  | 4 +---
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/package.json b/package.json
index 0bc192f..ee4c81b 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,6 @@
     }
   },
   "dependencies": {
-    "@typescript-eslint/utils": "^8.31.1",
     "tinyglobby": "^0.2.12"
   },
   "devDependencies": {
diff --git a/src/meta.ts b/src/meta.ts
index ce21c1f..5601c32 100644
--- a/src/meta.ts
+++ b/src/meta.ts
@@ -1,8 +1,6 @@
 import { name as pkgName, version } from "../package.json";
-import type { TSESLint } from "@typescript-eslint/utils";
-
-const meta: TSESLint.FlatConfig.PluginMeta = { name: pkgName, version };
 
+const meta: { name: string; version: string } = { name: pkgName, version };
 export default meta;
 
 export const name: string = pkgName;

From 6bb741f49eaf9534dfcfa62f558ed7f1ff6808eb Mon Sep 17 00:00:00 2001
From: Yosuke Ota <otameshiyo23@gmail.com>
Date: Tue, 29 Apr 2025 16:52:31 +0900
Subject: [PATCH 6/7] Create eight-suits-provide.md

---
 .changeset/eight-suits-provide.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/eight-suits-provide.md

diff --git a/.changeset/eight-suits-provide.md b/.changeset/eight-suits-provide.md
new file mode 100644
index 0000000..6ec465d
--- /dev/null
+++ b/.changeset/eight-suits-provide.md
@@ -0,0 +1,5 @@
+---
+"typescript-eslint-parser-for-extra-files": minor
+---
+
+Migrate to tsdown to fix dts output

From 528908c464d40e007d12d2b916283f6732213d86 Mon Sep 17 00:00:00 2001
From: Eli <88557639+lishaduck@users.noreply.github.com>
Date: Tue, 29 Apr 2025 08:41:29 -0500
Subject: [PATCH 7/7] chore: bump tsdown

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index ee4c81b..5910680 100644
--- a/package.json
+++ b/package.json
@@ -122,7 +122,7 @@
     "svelte": "^4.0.0",
     "svelte-eslint-parser": "^1.0.0",
     "svelte2tsx": "^0.7.0",
-    "tsdown": "https://pkg.pr.new/tsdown@03230c4",
+    "tsdown": "^0.10.1",
     "typescript": "~5.8.0",
     "unplugin-unused": "^0.4.4",
     "vue": "^3.2.41",