From 9381d6eddc8ead7820f0a0140232898748195fdc Mon Sep 17 00:00:00 2001
From: Vitaly Puzrin <vitaly@rcopen.com>
Date: Fri, 1 Dec 2023 05:05:21 +0200
Subject: [PATCH] Add cjs build

---
 .gitignore                |  1 +
 index.mjs                 |  1 -
 package.json              | 23 +++++++++++++++++++----
 rollup.config.mjs         |  9 +++++++++
 test/cjs.js               | 15 +++++++++++++++
 test.mjs => test/test.mjs |  2 +-
 6 files changed, 45 insertions(+), 6 deletions(-)
 create mode 100644 rollup.config.mjs
 create mode 100644 test/cjs.js
 rename test.mjs => test/test.mjs (94%)

diff --git a/.gitignore b/.gitignore
index 4c444c6..b97d4dc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 node_modules/
 coverage/
+build/
 *.log
diff --git a/index.mjs b/index.mjs
index 9a1fe24..f2843b6 100644
--- a/index.mjs
+++ b/index.mjs
@@ -4,5 +4,4 @@ import Cf  from './categories/Cf/regex.mjs';
 import P   from './categories/P/regex.mjs';
 import Z   from './categories/Z/regex.mjs';
 
-export default { Any, Cc, Cf, P, Z };
 export { Any, Cc, Cf, P, Z };
diff --git a/package.json b/package.json
index 88820a7..a83a615 100644
--- a/package.json
+++ b/package.json
@@ -4,19 +4,34 @@
   "description": "Micro subset of unicode data files for markdown-it projects.",
   "repository": "markdown-it/uc.micro",
   "license": "MIT",
-  "exports": "./index.mjs",
+  "main": "build/index.cjs.js",
+  "module": "index.mjs",
+  "exports": {
+    ".": {
+      "require": "./build/index.cjs.js",
+      "import": "./index.mjs"
+    },
+    "./*": {
+      "require": "./*",
+      "import": "./*"
+    }
+  },
   "files": [
+    "index.mjs",
     "categories/",
     "properties/",
-    "index.mjs"
+    "build/"
   ],
   "scripts": {
-    "test": "mocha",
-    "update": "node update.mjs && npm test"
+    "test": "npm run build && mocha",
+    "build": "rollup -c",
+    "update": "node update.mjs && npm test",
+    "prepublishOnly": "npm run build"
   },
   "devDependencies": {
     "@unicode/unicode-15.1.0": "^1.5.2",
     "mocha": "^10.2.0",
+    "rollup": "^4.6.1",
     "shelljs": "^0.8.5"
   }
 }
diff --git a/rollup.config.mjs b/rollup.config.mjs
new file mode 100644
index 0000000..47b2a79
--- /dev/null
+++ b/rollup.config.mjs
@@ -0,0 +1,9 @@
+export default [
+  {
+    input: 'index.mjs',
+    output: {
+      file: 'build/index.cjs.js',
+      format: 'cjs'
+    }
+  }
+]
diff --git a/test/cjs.js b/test/cjs.js
new file mode 100644
index 0000000..775e62a
--- /dev/null
+++ b/test/cjs.js
@@ -0,0 +1,15 @@
+'use strict'
+/* eslint-env mocha */
+
+const ucm = require('../')
+const assert = require('assert')
+
+describe('CJS', () => {
+  it('require', () => {
+    assert.ok(ucm.Any)
+    assert.ok(ucm.Cc)
+    assert.ok(ucm.Cf)
+    assert.ok(ucm.P)
+    assert.ok(ucm.Z)
+  })
+})
diff --git a/test.mjs b/test/test.mjs
similarity index 94%
rename from test.mjs
rename to test/test.mjs
index efe79cf..55b8b37 100644
--- a/test.mjs
+++ b/test/test.mjs
@@ -1,5 +1,5 @@
 import assert from 'node:assert'
-import ucm from './index.mjs'
+import * as ucm from '../index.mjs'
 
 describe('Unicode classes', () => {
   it('Any', () => {