Leverage TypeScript project references

.gitignore

@@ -1,6 +1,7 @@
 coverage/
 node_modules/
-*.d.ts
+types/
+*.tsbuildinfo
 *.log
 .DS_Store
 react-markdown.min.js

lib/exports.ts

@@ -0,0 +1,9 @@
+export type {ExtraProps} from 'hast-util-to-jsx-runtime'
+export {
+  type AllowElement,
+  type Components,
+  type Options,
+  type UrlTransform,
+  defaultUrlTransform,
+  default
+} from './index.js'

lib/index.js

@@ -138,7 +138,7 @@ const deprecations = [
  * @returns {ReactElement}
  *   React element.
  */
-export function Markdown(options) {
+export default function Markdown(options) {
   const allowedElements = options.allowedElements
   const allowElement = options.allowElement
   const children = options.children || ''

package.json

@@ -69,11 +69,13 @@
   ],
   "sideEffects": false,
   "type": "module",
-  "exports": "./index.js",
+  "exports": {
+    "types": "./types/exports.d.ts",
+    "default": "./lib/index.js"
+  },
   "files": [
     "lib/",
-    "index.d.ts",
-    "index.js"
+    "types/"
   ],
   "dependencies": {
     "@types/hast": "^3.0.0",

tsconfig.base.json

@@ -0,0 +1,10 @@
+{
+  "compilerOptions": {
+    "checkJs": true,
+    "customConditions": ["development"],
+    "exactOptionalPropertyTypes": true,
+    "module": "node16",
+    "strict": true,
+    "target": "es2022"
+  }
+}

tsconfig.build.json

@@ -0,0 +1,14 @@
+{
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "composite": true,
+    "declaration": true,
+    "emitDeclarationOnly": true,
+    "lib": ["dom", "es2022"],
+    "outDir": "types/",
+    "rootDir": "lib/",
+    "target": "es2022",
+    "types": []
+  },
+  "include": ["lib/"]
+}

tsconfig.json

@@ -1,16 +1,11 @@
 {
+  "extends": "./tsconfig.base.json",
   "compilerOptions": {
-    "checkJs": true,
-    "customConditions": ["development"],
-    "declaration": true,
-    "emitDeclarationOnly": true,
-    "exactOptionalPropertyTypes": true,
     "jsx": "preserve",
-    "lib": ["dom", "es2022"],
-    "module": "node16",
-    "strict": true,
-    "target": "es2022"
+    "lib": ["es2022"],
+    "noEmit": true,
+    "types": ["node"]
   },
-  "exclude": ["coverage/", "node_modules/"],
-  "include": ["**/*.js", "**/*.jsx", "lib/complex-types.d.ts"]
+  "exclude": ["coverage/", "lib/", "node_modules/"],
+  "references": [{"path": "./tsconfig.build.json"}]
 }