Added back CommonsJS output under /cjs

.gitignore

@@ -1,6 +1,7 @@
 /*.ts
 coverage/
 dist/
+cjs/
 node_modules/
 !auto.config.ts
 /.idea/
@@ -10,4 +11,4 @@ node_modules/
 
 # Other package managers
 pnpm-lock.yaml
-package-lock.json
+package-lock.json

build/pkg-version.js

@@ -0,0 +1,18 @@
+// Having the same source code to work with Node16's ESM and Node's CJS is a pain.
+// this script simply copies the packageJson version inside the main ts-json-schema-generator.js file
+
+import fs from "node:fs";
+import path from "node:path";
+import pkg from "../package.json" with { type: "json" };
+
+function replaceVersion(source, version) {
+    return source.replace(/const pkgVersion = "0.0.0";/, `const pkgVersion = "${version}";`);
+}
+
+function replaceFile(path) {
+    const source = fs.readFileSync(path, "utf-8");
+    fs.writeFileSync(path, replaceVersion(source, pkg.version));
+}
+
+replaceFile(path.resolve("cjs/ts-json-schema-generator.js"));
+replaceFile(path.resolve("dist/ts-json-schema-generator.js"));

eslint.config.js

@@ -6,7 +6,7 @@ import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended"
 /** @type {import('@types/eslint').Linter.FlatConfig[]} */
 export default tseslint.config(
     {
-        ignores: ["dist"],
+        ignores: ["dist", "cjs", "build"],
     },
     eslint.configs.recommended,
     {

package.json

@@ -3,13 +3,15 @@
   "version": "2.0.0",
   "description": "Generate JSON schema from your Typescript sources",
   "main": "dist/index.js",
+  "module": "dist/index.js",
   "types": "dist/index.d.ts",
   "type": "module",
   "bin": {
     "ts-json-schema-generator": "./bin/ts-json-schema-generator.js"
   },
   "files": [
     "dist",
+    "cjs",
     "src",
     "factory",
     "index.*",
@@ -44,13 +46,18 @@
   "engines": {
     "node": ">=18.0.0"
   },
+  "exports": {
+    "import": "./dist/index.js",
+    "require": "./cjs/index.js"
+  },
   "dependencies": {
     "@types/json-schema": "^7.0.15",
     "commander": "^12.0.0",
     "glob": "^10.3.12",
     "json5": "^2.2.3",
     "normalize-path": "^3.0.0",
     "safe-stable-stringify": "^2.4.3",
+    "tslib": "^2.6.2",
     "typescript": "^5.4.5"
   },
   "devDependencies": {
@@ -84,7 +91,10 @@
   },
   "scripts": {
     "prepublishOnly": "yarn build",
-    "build": "tsc",
+    "build": "npm run build:cjs && npm run build:esm",
+    "build:cjs": "tsc -p tsconfig.cjs.json",
+    "build:esm": "tsc -p tsconfig.json",
+    "postbuild": "node build/pkg-version.js",
     "watch": "tsc -w",
     "lint": "eslint",
     "format": "eslint --fix",

ts-json-schema-generator.ts

@@ -1,12 +1,14 @@
+import { mkdirSync, writeFileSync } from "node:fs";
+import { dirname } from "node:path";
 import { Command, Option } from "commander";
 import stableStringify from "safe-stable-stringify";
 import { createGenerator } from "./factory/generator.js";
-import { Config } from "./src/Config.js";
+import type { Config } from "./src/Config.js";
 import { BaseError } from "./src/Error/BaseError.js";
 import { formatError } from "./src/Utils/formatError.js";
-import pkg from "./package.json" with { type: "json" };
-import { dirname } from "path";
-import { mkdirSync, writeFileSync } from "fs";
+
+// This constant gets replaced by the build script
+const pkgVersion = "0.0.0";
 
 const args = new Command()
     .option("-p, --path <path>", "Source file path")
@@ -49,7 +51,7 @@ const args = new Command()
         [],
     )
     .option("--additional-properties", "Allow additional properties for objects with no index signature", false)
-    .version(pkg.version)
+    .version(pkgVersion)
     .parse(process.argv)
     .opts();
 

tsconfig.cjs.json

@@ -0,0 +1,12 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "CommonJS",
+    "moduleResolution": "Node",
+    "outDir": "cjs"
+  },
+  "files": ["ts-json-schema-generator.ts", "index.ts"],
+  "include": ["src/**/*.ts", "factory/**/*.ts"],
+  "exclude": ["node_modules", "dist", "cjs"]
+}

tsconfig.json

@@ -22,9 +22,10 @@
     "pretty": true,
     "typeRoots": ["node_modules/@types"],
     "outDir": "dist",
-    "incremental": true
+    "incremental": true,
+    "importHelpers": true
   },
   "files": ["ts-json-schema-generator.ts", "index.ts"],
   "include": ["src/**/*.ts", "factory/**/*.ts"],
-  "exclude": ["node_modules", "dist"]
+  "exclude": ["node_modules", "dist", "cjs"]
 }