Export mjs files so Node can natively import them.

Fixes #87.

dom.js

@@ -1 +1 @@
-export * from "./esm/dom.js";
+export * from "./esm/dom.mjs";

html.js

@@ -1 +1 @@
-export * from "./esm/html.js";
+export * from "./esm/html.mjs";

package.json

@@ -3,6 +3,32 @@
   "version": "0.1.2",
   "license": "MIT",
   "description": "JSX-based components with functions, promises and generators.",
+  "exports": {
+    ".": {
+      "import": "./esm/index.mjs",
+      "require": "./cjs/index.js"
+    },
+    "./html": {
+      "import": "./esm/html.mjs",
+      "require": "./cjs/html.js"
+    },
+    "./dom": {
+      "import": "./esm/dom.mjs",
+      "require": "./cjs/dom.js"
+    },
+    "./cjs/html": {
+      "require": "./cjs/html.js"
+    },
+    "./cjs/dom": {
+      "require": "./cjs/dom.js"
+    },
+    "./cjs/html.js": {
+      "require": "./cjs/html.js"
+    },
+    "./cjs/dom.js": {
+      "require": "./cjs/dom.js"
+    }
+  },
   "files": [
     "cjs",
     "esm",
@@ -12,7 +38,7 @@
     "html.js"
   ],
   "main": "cjs/index.js",
-  "module": "esm/index.js",
+  "module": "esm/index.mjs",
   "types": "esm/index.d.ts",
   "scripts": {
     "prebuild": "yarn run clean",

rollup.config.js

@@ -1,19 +1,20 @@
 import resolve from "@rollup/plugin-node-resolve";
 import typescript from "rollup-plugin-typescript2";
-export default {
-	input: ["src/index.ts", "src/dom.ts", "src/html.ts"],
+import {basename} from "path";
+export default ["src/index.ts", "src/dom.ts", "src/html.ts"].map((input) => ({
+	input,
 	output: [
 		{
 			format: "cjs",
-			dir: "cjs",
+			file: `cjs/${basename(input).replace(/\.ts$/, ".js")}`,
 			sourcemap: true,
 		},
 		{
 			format: "esm",
-			dir: "esm",
+			file: `esm/${basename(input).replace(/\.ts$/, ".mjs")}`,
 			sourcemap: true,
 		},
 	],
 	external: ["@repeaterjs/repeater"],
 	plugins: [typescript(), resolve()],
-};
+}));