feat: migrate to tsdown (#266)

* feat: migrate to `tsdown`

* chore: update

* chore: get `name` and `version` from `package.json` directly

* chore: update

* chore: update

* build: remove `sourceMap` in `tsconfig`

* chore: update

* chore: update tsconfig

* chore: cleanup some configs relate to output

* chore: update and fix test

* chore: remove invalid script

Author: 9romise

.gitignore

@@ -1,9 +1,8 @@
-/.temp
 /coverage
 node_modules
 /test/temp
-/index.*
 /npm-debug.log
 /test.js
 /test/fixtures/espree-v8/node_modules
 /test/fixtures/integrations/**/_actual.json
+/dist

README.md

@@ -324,9 +324,8 @@ The `npm install` command installs dependencies.
 ### Development Tools
 
 - `npm test` runs tests and measures coverage.
-- `npm run build` compiles TypeScript source code to `index.js`, `index.js.map`, and `index.d.ts`.
+- `npm run build` compiles TypeScript source code to `index.js`, `index.js.map`, and `index.d.ts` in `dist`.
 - `npm run coverage` shows the coverage result of `npm test` command with the default browser.
-- `npm run clean` removes the temporary files which are created by `npm test` and `npm run build`.
 - `npm run lint` runs ESLint.
 - `npm run update-fixtures` updates files in `test/fixtures/ast` directory based on `test/fixtures/ast/*/source.vue` files.
 - `npm run watch` runs `build`, `update-fixtures`, and tests with `--watch` option.

eslint.config.mjs

@@ -22,17 +22,15 @@ const compat = new FlatCompat({
 export default [
     {
         ignores: [
-            ".temp",
             "coverage",
+            "dist",
             "**/node_modules",
             "src/html/util/alternative-cr.ts",
             "src/html/util/attribute-names.ts",
             "src/html/util/entities.ts",
             "src/html/util/tag-names.ts",
             "test/fixtures",
             "test/temp",
-            "index.d.ts",
-            "index.js",
         ],
     },
     ...nodeDeps.configs["flat/recommended"],

package.json

@@ -2,9 +2,9 @@
   "name": "vue-eslint-parser",
   "version": "10.2.0",
   "description": "The ESLint custom parser for `.vue` files.",
-  "main": "index.js",
+  "main": "dist/index.js",
   "files": [
-    "index.*"
+    "dist"
   ],
   "engines": {
     "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -38,7 +38,6 @@
     "@vitest/ui": "^3.2.4",
     "chokidar": "^3.5.2",
     "cross-spawn": "^7.0.3",
-    "dts-bundle": "^0.7.3",
     "eslint": "^9.19.0",
     "eslint-plugin-eslint-comments": "^3.2.0",
     "eslint-plugin-jsonc": "^2.19.1",
@@ -50,22 +49,16 @@
     "jsonc-eslint-parser": "^2.0.3",
     "npm-run-all": "^4.1.5",
     "prettier": "^3.4.2",
-    "rimraf": "^3.0.2",
-    "rollup": "^2.60.0",
-    "rollup-plugin-node-resolve": "^5.2.0",
-    "rollup-plugin-replace": "^2.2.0",
-    "rollup-plugin-sourcemaps": "^0.6.3",
     "ts-node": "^10.9.2",
+    "tsdown": "^0.12.9",
     "typescript": "~5.7.3",
     "vite": "^6.3.5",
     "vitest": "^3.2.4",
     "wait-on": "^6.0.0",
     "warun": "^1.0.0"
   },
   "scripts": {
-    "prebuild": "npm run -s clean",
-    "build": "tsc --module es2015 && rollup -c -o index.js && dts-bundle --name vue-eslint-parser --main .temp/index.d.ts --out ../index.d.ts",
-    "clean": "rimraf .temp index.*",
+    "build": "tsdown",
     "coverage": "vitest --coverage --ui",
     "lint": "eslint src test package.json",
     "test": "vitest",
@@ -74,11 +67,9 @@
     "preversion": "npm test",
     "version": "npm run -s build",
     "postversion": "git push && git push --tags",
-    "prewatch": "npm run -s clean",
     "watch": "run-p watch:*",
-    "watch:tsc": "tsc --module es2015 --watch",
-    "watch:rollup": "wait-on .temp/index.js && rollup -c -o index.js --watch",
-    "watch:update-ast": "wait-on index.js && warun index.js \"test/fixtures/ast/*/*.vue\" -- ts-node scripts/update-fixtures-ast.js"
+    "watch:tsdown": "tsdown --watch",
+    "watch:update-ast": "wait-on dist/index.js && warun dist/index.js \"test/fixtures/ast/*/*.vue\" -- ts-node scripts/update-fixtures-ast.js"
   },
   "repository": {
     "type": "git",

rollup.config.js

@@ -25,6 +25,7 @@ import {
 import { parseStyleElements } from "./style/index"
 import { analyzeScope } from "./script/scope-analyzer"
 import { analyzeScriptSetupScope } from "./script-setup/scope-analyzer"
+import { name, version } from "../package.json" with { type: "json" }
 
 const STARTS_WITH_LT = /^\s*</u
 
@@ -211,7 +212,6 @@ function parseAsScript(code: string, options: ParserOptions) {
 }
 
 export const meta = {
-    name: "vue-eslint-parser",
-    // eslint-disable-next-line no-process-env
-    version: process.env.PACKAGE_VERSION,
+    name,
+    version,
 }

src/index.ts

@@ -1,3 +1,3 @@
 {
-    "parser": "../../index.js"
+    "parser": "../../dist/index.js"
 }

test/fixtures/.eslintrc.json

@@ -22,7 +22,14 @@ const FIXTURE_DIR = path.join(__dirname, "fixtures/integrations")
 
 describe("Integration tests", () => {
     beforeAll(async () => {
-        await import("ts-node/register")
+        const { register } = await import("ts-node")
+        register({
+            transpileOnly: true,
+            compilerOptions: {
+                module: "commonjs",
+                moduleResolution: "node",
+            },
+        })
     })
     for (const target of fs.readdirSync(FIXTURE_DIR)) {
         it(target, async () => {

test/integrations.test.ts

@@ -1,5 +1,4 @@
 {
-  "compileOnSave": true,
   "compilerOptions": {
     "allowJs": false,
     "allowSyntheticDefaultImports": true,
@@ -8,35 +7,28 @@
     "alwaysStrict": true,
     "baseUrl": ".",
     "checkJs": false,
-    "declaration": true,
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
-    "inlineSources": true,
     "lib": ["es2023"],
-    "module": "commonjs",
-    "moduleResolution": "node",
+    "module": "preserve",
+    "moduleResolution": "bundler",
     "newLine": "LF",
-    "noEmitOnError": true,
+    "noEmit": true,
     "noFallthroughCasesInSwitch": true,
     "noImplicitAny": true,
     "noImplicitReturns": true,
     "noImplicitThis": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
-    "outDir": ".temp",
     "paths": {
       "*": ["typings/*"]
     },
-    "pretty": true,
-    "removeComments": true,
-    "sourceMap": true,
-    "sourceRoot": "src",
+    "resolveJsonModule": true,
     "strict": true,
     "strictNullChecks": true,
     "target": "ES2024",
 
     "skipLibCheck": true
   },
-  "include": ["src/**/*.ts"],
-  "references": [{ "path": "./tsconfig.test.json" }]
+  "include": ["**/*.ts"]
 }