Add CJS package (#1263)

Author: drwpow

.changeset/long-poems-study.md

@@ -0,0 +1,5 @@
+---
+"openapi-typescript": minor
+---
+
+Ship CJS bundle

packages/openapi-fetch/package.json

@@ -59,7 +59,7 @@
   },
   "devDependencies": {
     "del-cli": "^5.0.0",
-    "esbuild": "^0.18.16",
+    "esbuild": "^0.18.17",
     "nanostores": "^0.9.3",
     "openapi-typescript": "*",
     "prettier": "^2.8.8",

packages/openapi-typescript/.npmignore

@@ -0,0 +1,4 @@
+examples/
+scripts/
+test/
+vitest.config.ts

packages/openapi-typescript/package.json

@@ -12,11 +12,13 @@
   },
   "type": "module",
   "main": "./dist/index.js",
-  "files": [
-    "bin",
-    "dist",
-    "src"
-  ],
+  "exports": {
+    ".": {
+      "import": "./dist/index.js",
+      "require": "./dist/index.cjs"
+    },
+    "./*": "./*"
+  },
   "homepage": "https://openapi-ts.pages.dev",
   "repository": {
     "type": "git",
@@ -38,7 +40,9 @@
     "url": "https://github.com/drwpow/openapi-typescript/issues"
   },
   "scripts": {
-    "build": "del dist && tsc -p tsconfig.build.json",
+    "build": "run-s -s build:*",
+    "build:esm": "tsc -p tsconfig.build.json",
+    "build:cjs": "esbuild --bundle --platform=node --target=es2019 --outfile=dist/index.cjs --external:js-yaml --external:undici src/index.ts --footer:js=\"module.exports = module.exports.default;\"",
     "dev": "tsc -p tsconfig.build.json --watch",
     "download:schemas": "vite-node ./scripts/download-schemas.ts",
     "format": "prettier --write \"src/**/*\"",
@@ -67,6 +71,7 @@
     "@types/node": "^20.4.0",
     "degit": "^2.8.4",
     "del-cli": "^5.0.0",
+    "esbuild": "^0.18.17",
     "execa": "^6.1.0",
     "vite": "^4.4.1",
     "vite-node": "^0.33.0",

packages/openapi-typescript/test/cjs.test.ts

@@ -0,0 +1,11 @@
+const fs = require('node:fs');
+const openapiTS = require('../dist/index.cjs');
+const yaml = require('js-yaml');
+
+describe('CJS bundle', () => {
+  it('basic',  async () => {
+    const input = yaml.load(fs.readFileSync(new URL('../examples/stripe-api.yaml', import.meta.url), 'utf8'));
+    const output = await openapiTS(input);
+    expect(output).toBe(fs.readFileSync(new URL('../examples/stripe-api.ts', import.meta.url), 'utf8'));
+  })
+})