Add cjs support (h/t @acheronfail in flightcontrolhq#301)

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 dist
+dist-cjs
 coverage

commonjs.js

@@ -0,0 +1,29 @@
+import fs from 'fs';
+import path from 'path';
+
+function convertToCommonJs(filePath) {
+  // update imports
+  const content = fs.readFileSync(filePath, 'utf-8');
+  const updatedContent = content.replace(
+    /(require\(['"])(.*)(\.js)(['"]\))/g,
+    '$1$2.cjs$4'
+  );
+  fs.writeFileSync(filePath, updatedContent, 'utf-8');
+
+  // update file extension
+  const commonJsPath = filePath.replace(/\.js$/, '.cjs');
+  fs.renameSync(filePath, commonJsPath);
+}
+
+function walk(dir) {
+  fs.readdirSync(dir).forEach((file) => {
+    const fullPath = path.join(dir, file);
+    if (fs.lstatSync(fullPath).isDirectory()) {
+      walk(fullPath);
+    } else if (file.endsWith('.js')) {
+      convertToCommonJs(fullPath);
+    }
+  });
+}
+
+walk('./dist-cjs');

package.json

@@ -5,16 +5,20 @@
   "typings": "dist/index.d.ts",
   "main": "./dist/index.js",
   "exports": {
-    ".": "./dist/index.js"
+    "import": "./dist/index.js",
+    "require": "./dist-cjs/index.cjs"
   },
   "files": [
-    "dist"
+    "dist",
+    "dist-cjs"
   ],
   "engines": {
     "node": ">=16"
   },
   "scripts": {
-    "build": "tsc",
+    "build": "yarn run build:esm && yarn run build:cjs",
+    "build:esm": "tsc -p tsconfig.json",
+    "build:cjs": "tsc -p tsconfig.cjs.json && node commonjs.js",
     "test": "vitest run",
     "lint": "tsdx lint",
     "prepack": "yarn build",
@@ -33,7 +37,8 @@
     "singleQuote": true,
     "trailingComma": "es5"
   },
-  "name": "superjson",
+  "name": "@half0wl/superjson",
+  "description": "fork of superjson with cjs support",
   "author": {
     "name": "Simon Knott",
     "email": "[email protected]",
@@ -53,7 +58,7 @@
   ],
   "repository": {
     "type": "git",
-    "url": "https://github.com/blitz-js/superjson"
+    "url": "https://github.com/half0wl/superjson-cjs"
   },
   "devDependencies": {
     "@types/debug": "^4.1.5",

tsconfig.cjs.json

@@ -0,0 +1,7 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "CommonJS",
+    "outDir": "dist-cjs"
+  }
+}