refactor: improve types

package.json

@@ -6,7 +6,7 @@
     "test": "vitest",
     "lint": "eslint --cache .",
     "format": "prettier --write .",
-    "typecheck": "tsc --noEmit",
+    "typecheck": "tsc",
     "release": "bumpp -r"
   },
   "license": "MIT",

packages/babel-plugin-jsx/src/index.ts

@@ -31,14 +31,14 @@ const hasJSX = (parentPath: NodePath<t.Program>) => {
 
 const JSX_ANNOTATION_REGEX = /\*?\s*@jsx\s+([^\s]+)/;
 
-export default ({ types }: typeof BabelCore) => ({
+export default ({ types }: typeof BabelCore): BabelCore.PluginObj<State> => ({
   name: 'babel-plugin-jsx',
   inherits: syntaxJsx,
   visitor: {
     ...transformVueJSX,
     ...sugarFragment,
     Program: {
-      enter(path: NodePath<t.Program>, state: State) {
+      enter(path, state) {
         if (hasJSX(path)) {
           const importNames = [
             'createVNode',
@@ -168,7 +168,7 @@ export default ({ types }: typeof BabelCore) => ({
           }
         }
       },
-      exit(path: NodePath<t.Program>) {
+      exit(path) {
         const body = path.get('body') as NodePath[];
         const specifiersMap = new Map<string, t.ImportSpecifier>();
 

packages/babel-plugin-jsx/src/sugar-fragment.ts

@@ -1,10 +1,10 @@
 import * as t from '@babel/types';
-import { type NodePath } from '@babel/traverse';
+import { type NodePath, type Visitor } from '@babel/traverse';
 import type { State } from './interface';
 import { FRAGMENT, createIdentifier } from './utils';
 
 const transformFragment = (
-  path: NodePath<t.JSXElement>,
+  path: NodePath<t.JSXFragment>,
   Fragment: t.JSXIdentifier | t.JSXMemberExpression
 ) => {
   const children = path.get('children') || [];
@@ -16,9 +16,9 @@ const transformFragment = (
   );
 };
 
-export default {
+const visitor: Visitor<State> = {
   JSXFragment: {
-    enter(path: NodePath<t.JSXElement>, state: State) {
+    enter(path, state) {
       const fragmentCallee = createIdentifier(state, FRAGMENT);
       path.replaceWith(
         transformFragment(
@@ -34,3 +34,5 @@ export default {
     },
   },
 };
+
+export default visitor;

packages/babel-plugin-jsx/src/transform-vue-jsx.ts

@@ -1,5 +1,5 @@
 import * as t from '@babel/types';
-import { type NodePath } from '@babel/traverse';
+import { type NodePath, type Visitor } from '@babel/traverse';
 // @ts-expect-error
 import { addDefault } from '@babel/helper-module-imports';
 import {
@@ -559,10 +559,12 @@ const transformJSXElement = (
   ]);
 };
 
-export default {
+const visitor: Visitor<State> = {
   JSXElement: {
-    exit(path: NodePath<t.JSXElement>, state: State) {
+    exit(path, state) {
       path.replaceWith(transformJSXElement(path, state));
     },
   },
 };
+
+export default visitor;

tsconfig.json

@@ -1,6 +1,5 @@
 {
   "compilerOptions": {
-    "sourceMap": true,
     "target": "ESNext",
     "module": "ESNext",
     "lib": ["ES2015", "DOM", "DOM.Iterable"],
@@ -10,13 +9,14 @@
     "noUnusedLocals": true,
     "resolveJsonModule": true,
     "esModuleInterop": true,
-    "removeComments": false,
     "jsx": "preserve",
     "types": ["vitest/globals"],
     "skipLibCheck": true,
     "paths": {
       "@vue/babel-plugin-jsx": ["./packages/babel-plugin-jsx/src"]
-    }
+    },
+    "noEmit": true,
+    "incremental": true
   },
   "include": ["packages/*/src", "packages/*/test"]
 }